Update past_version.txt

Update version.txt
transparent splash logo & fix tab widget color glitch (#2256 )
2026-08-13 11:23:41 +00:00 · 2024-09-23 17:17:47 +12:00 · 2024-09-23 17:17:38 +12:00 · 2024-09-22 19:40:54 +02:00 · 2024-09-22 15:30:31 +02:00 · 2024-09-21 16:15:17 +02:00
483 changed files with 15683 additions and 4247 deletions
@@ -0,0 +1,49 @@
+name: Bug report
+description: File a bug reports regarding the firmware.
+labels:
+  - bug
+body:
+- type: markdown
+  attributes:
+    value: |
+      Thank you for taking the time to fill out an issue, this template is meant for any issues related to the Mayhem firmware.
+      Please try the latest nightly release before submitting this. You can find the latest nightly version here: https://github.com/portapack-mayhem/mayhem-firmware/releases
+- type: textarea
+  id: description
+  attributes:
+    label: Describe the bug.
+    description: "A clear and concise description of what the bug is."
+  validations:
+    required: true
+- type: textarea
+  id: repro
+  attributes: 
+    label: Reproduction
+    description: "How can this bug be reproduced?"
+    placeholder: |
+      1. Switch on...
+      2. Press button '....'
+      3. Wait for the end of the universe
+      4. It burns
+  validations:
+    required: true
+- type: textarea
+  id: expected
+  attributes: 
+    label: Expected behavior
+    description: "A clear and concise description of what you expected to happen"
+    placeholder: |
+      1. Generates file on...
+      2. I get a cheeseburger...
+  validations:
+    required: true
+- type: input
+  id: target
+  attributes:
+    label: Environment/versions
+    description: Specify extra details about versions and environments affected
+- type: textarea
+  id: anything-else
+  attributes:
+    label: Anything else?
+    description: Let us know if you have anything else to share.
@@ -0,0 +1,25 @@
+name: Feature Request
+description: For feature requests regarding the firmware.
+labels:
+  - enhancement
+body:
+- type: markdown
+  attributes:
+    value: |
+      Thank you for taking the time to fill out an issue, this template is meant for any feature suggestions.
+      Please try the latest nightly release before submitting this, make sure it has not been implemented already. You can find the latest nightly version here: https://github.com/portapack-mayhem/mayhem-firmware/releases
+- type: textarea
+  id: proposal
+  attributes:
+    label: "Description of the feature you're suggesting."
+    description: |
+      Please describe your feature request in as many details as possible.
+        - Describe what it should do.
+        - Note whether it is to extend existing functionality or introduce new functionality.
+  validations:
+    required: true
+- type: textarea
+  id: anything-else
+  attributes:
+    label: Anything else?
+    description: Let us know if you have anything else to share.
@@ -0,0 +1,45 @@
+name: Firmware/boot issue
+description: If you are having firmware upgrade or booting problems.
+labels:
+  - firmware
+body:
+  - type: markdown
+    attributes:
+      value: >2-
+         Thank you for taking the time to fill out an issue, this template is meant for any issues related to the Mayhem firmware.
+              Before creating this issue, **do the following**: 
+        * Read the Wiki on booting:
+        https://github.com/portapack-mayhem/mayhem-firmware/wiki/Won't-boot
+
+        * Read:
+        https://github.com/portapack-mayhem/mayhem-firmware/wiki/Update-firmware
+
+        * Watch carefully: https://www.youtube.com/watch?v=_zx4ZvurgOs
+
+        * (if you are not in Windows) also check:
+        https://www.youtube.com/watch?v=kjFB58Y1TAo
+
+        * Check hardware versions:
+        https://github.com/portapack-mayhem/mayhem-firmware/wiki/PortaPack-Versions
+  - type: textarea
+    id: problem
+    attributes:
+      label: What happened?
+      description: If after following the above troubleshooting the problem still remains
+      placeholder: Describe what was is the problem
+  - type: input
+    id: hardware
+    attributes:
+      label: Your hardware
+      description: Check the link with the versions above
+      placeholder: Which device you have?
+  - type: checkboxes
+    id: firmware_update_before
+    attributes:
+      label: Tests
+      description: >-
+        Things might be confusing the first time, please check the documentation
+        above
+      options:
+        - label: I managed to update/boot previously
+          required: false
@@ -1,35 +0,0 @@
---
-name: Bug report
-about: Create a report to help us improve the software
-title: ''
-labels: bug
-assignees: ''
-
---
-
----
-
-(Please try the latest nightly release before submitting this. You can find the latest nightly version here: https://github.com/portapack-mayhem/mayhem-firmware/releases)
-
----
-
-**Describe the bug**
-A clear and concise description of what the bug is. 
-
-**To Reproduce**
-Steps to reproduce the behavior:
-1. Go to '...'
-2. Tap on '....'
-3. 
-
-**Expected behavior**
-A clear and concise description of what you expected to happen.
-
-**Affected versions**
-Please write any difference related with the Expected behavior, on the following versions:
-* Latest Stable release:
-* Latest Nightly release:
-* Previous working release:
-
-**Additional**
-If the bug is difficult to explain, additionally to the text please include images and videos.
@@ -0,0 +1,5 @@
+blank_issues_enabled: false
+contact_links:
+  - name: Need more help?
+    url: https://discord.com/invite/tuwVMv3
+    about: For any question that does not fit as an issue, check our discord.
@@ -1,20 +0,0 @@
---
-name: Feature request
-about: Suggest an idea for this project
-title: ''
-labels: enhancement
-assignees: ''
-
---
-
-**Is your feature request related to a problem? Please describe.**
-A clear and concise description of what the problem is. Ex. I'm always frustrated when [...]
-
-**Describe the solution you'd like**
-A clear and concise description of what you want to happen. Remember that adding stuff is always possible, but time is a limited resource for everyone. Check the wiki for more information how to compile the firmware and try to explore modifying the code yourself.
-
-**Describe alternatives you've considered**
-A clear and concise description of any alternative solutions or features you've considered.
-
-**Additional**
-If the suggestion is difficult to explain, additionally to the text please include images and videos.
@@ -1,44 +0,0 @@
---
-name: Problem upgrading the firmware or booting
-about: If you are having firmware upgrade or booting problems
-title: ''
-labels: 'firmware'
-assignees: ''
-
---
-
----
-Before creating this issue, **do the following**: 
-* Read the Wiki on booting: https://github.com/portapack-mayhem/mayhem-firmware/wiki/Won't-boot
-* Read: https://github.com/portapack-mayhem/mayhem-firmware/wiki/Update-firmware
-* Watch carefully: https://www.youtube.com/watch?v=_zx4ZvurgOs
-* (if you are not in Windows) also check: https://www.youtube.com/watch?v=kjFB58Y1TAo
-
----
-
-**Describe the issue**
-A clear and concise description of what the issue you are facing is. 
-
-**To Reproduce**
-Steps to reproduce the behavior:
-1. Go to '...'
-2. Tap on '....'
-
-
-**My Hardware**
-Please specify what PortaPack hardware version you are using. 
-You can find the list of versions here: https://github.com/portapack-mayhem/mayhem-firmware/wiki/PortaPack-Versions
-
-**Affected versions**
-Please tell us what version you are running. 
-If your device is still functional, try the latest nightly release before submitting this. 
-You can find the latest nightly version here https://github.com/portapack-mayhem/mayhem-firmware/releases
-
-**Were you able to update the firmware before?**
-Things might be confusing the first time, please check the video available on the link above.
-
-**Can you try the upgrade with a different PC/Portapack/HackRF?**
-If is possible, swap hardware and try again. Also, try different USB cables, even if the one you are using works fine for other purposes.
-
-**Additional**
-If the issue is difficult to explain, additionally to the text please include images and videos.
@@ -54,7 +54,7 @@ jobs:
        run: docker run -e VERSION_STRING=${{ steps.version_date.outputs.date }} -i -v ${{ github.workspace }}:/havoc portapack-dev
      - name: Create Small SD Card ZIP - No World Map
        run: |
-          mkdir -p sdcard/FIRMWARE && cp build/firmware/portapack-h1_h2-mayhem.bin sdcard/FIRMWARE/portapack-mayhem_${{ steps.version_date.outputs.date }}.bin && mkdir -p sdcard/APPS && cp build/firmware/application/*.ppma sdcard/APPS && cd sdcard && zip -r ../sdcard-no-map.zip . && cd ..
+          mkdir -p sdcard/FIRMWARE && cp build/firmware/portapack-h1_h2-mayhem.bin sdcard/FIRMWARE/portapack-mayhem_${{ steps.version_date.outputs.date }}.bin && mkdir -p sdcard/APPS && cp build/firmware/application/*.ppma sdcard/APPS && cp build/firmware/standalone/*/*.ppmp sdcard/APPS && cd sdcard && zip -r ../sdcard-no-map.zip . && cd ..
      - name: Download world map
        run: |
          wget https://github.com/portapack-mayhem/mayhem-firmware/releases/download/world_map/world_map.zip
@@ -66,7 +66,7 @@ jobs:
          zip -j firmware.zip build/firmware/portapack-h1_h2-mayhem.bin && cd flashing && zip -r ../firmware.zip *
      - name: Create SD Card ZIP
        run: |
-          mkdir -p sdcard/FIRMWARE && cp build/firmware/portapack-h1_h2-mayhem.bin sdcard/FIRMWARE/portapack-mayhem_${{ steps.version_date.outputs.date }}.bin && mkdir -p sdcard/APPS && cp build/firmware/application/*.ppma sdcard/APPS && cd sdcard && zip -r ../sdcard.zip . && cd ..
+          mkdir -p sdcard/FIRMWARE && cp build/firmware/portapack-h1_h2-mayhem.bin sdcard/FIRMWARE/portapack-mayhem_${{ steps.version_date.outputs.date }}.bin && mkdir -p sdcard/APPS && cp build/firmware/application/*.ppma sdcard/APPS && cp build/firmware/standalone/*/*.ppmp sdcard/APPS && cd sdcard && zip -r ../sdcard.zip . && cd ..
      - name: Create changelog
        env:
          GH_TOKEN: ${{ secrets.GITHUB_TOKEN }}
@@ -38,7 +38,7 @@ jobs:
        run: docker run -e VERSION_STRING=${{ steps.version.outputs.version }} -i -v ${{ github.workspace }}:/havoc portapack-dev
      - name: Create Small SD Card ZIP - No World Map
        run: |
-          mkdir -p sdcard/FIRMWARE && cp build/firmware/portapack-h1_h2-mayhem.bin sdcard/FIRMWARE/portapack-mayhem_${{ steps.version.outputs.version }}.bin && mkdir -p sdcard/APPS && cp build/firmware/application/*.ppma sdcard/APPS && cd sdcard && zip -r ../sdcard-no-map.zip . && cd ..
+          mkdir -p sdcard/FIRMWARE && cp build/firmware/portapack-h1_h2-mayhem.bin sdcard/FIRMWARE/portapack-mayhem_${{ steps.version.outputs.version }}.bin && mkdir -p sdcard/APPS && cp build/firmware/application/*.ppma sdcard/APPS && cp build/firmware/standalone/*/*.ppmp sdcard/APPS && cd sdcard && zip -r ../sdcard-no-map.zip . && cd ..
      - name: Download world map
        run: |
          wget https://github.com/portapack-mayhem/mayhem-firmware/releases/download/world_map/world_map.zip
@@ -50,7 +50,7 @@ jobs:
          zip -j firmware.zip build/firmware/portapack-h1_h2-mayhem.bin && cd flashing && zip -r ../firmware.zip *
      - name: Create SD Card ZIP
        run: |
-          mkdir -p sdcard/FIRMWARE && cp build/firmware/portapack-h1_h2-mayhem.bin sdcard/FIRMWARE/portapack-mayhem_${{ steps.version.outputs.version }}.bin && mkdir -p sdcard/APPS && cp build/firmware/application/*.ppma sdcard/APPS && cd sdcard && zip -r ../sdcard.zip . && cd ..
+          mkdir -p sdcard/FIRMWARE && cp build/firmware/portapack-h1_h2-mayhem.bin sdcard/FIRMWARE/portapack-mayhem_${{ steps.version.outputs.version }}.bin && mkdir -p sdcard/APPS && cp build/firmware/application/*.ppma sdcard/APPS && cp build/firmware/standalone/*/*.ppmp sdcard/APPS && cd sdcard && zip -r ../sdcard.zip . && cd ..
      - name: Create changelog
        env:
          GH_TOKEN: ${{ secrets.GITHUB_TOKEN }}
@@ -1 +1 @@
-v1.9.1
+v2.0.1
@@ -1 +1 @@
-v2.0.0
+v2.0.2
@@ -51,6 +51,7 @@
 .dep/
 /build*
 CMakeFiles/
+cmake-build-debug/

 # Debugging
 .gdbinit*
@@ -68,9 +69,15 @@ CMakeFiles/
 .DS_Store
 /firmware/CMakeCache.txt

-# Python env/ venv
+# Python env/ venv and cache
 env/
 venv/
+**/__pycache__/
+*.pyc

 # Other
 *.bak
+
+# generated bitmap arr file
+# TODO: generate bitmap during build, since we use python during build anyway, lemme know if this is a bad idea @zxkmm
+/firmware/tools/bitmap.hpp
@@ -0,0 +1,148 @@
+{
+   // Use IntelliSense to learn about possible attributes.
+   // Hover to view descriptions of existing attributes.
+   // For more information, visit: https://go.microsoft.com/fwlink/?linkid=830387
+   "version": "0.2.0",
+   "configurations": [
+      {
+         "name": "(gdb) JTAG probe",
+         "type": "cppdbg",
+         "request": "launch",
+         "miDebuggerPath": "arm-none-eabi-gdb",
+         "targetArchitecture": "arm",
+         "program": "${workspaceRoot}/build/firmware/baseband/baseband_adsbrx.elf",
+         "cwd": "${workspaceRoot}",
+         "setupCommands": [
+            // use logging for troubleshooting
+            //{"text": "set logging file ${workspaceRoot}/build/arm-none-eabi-gdb.log"},
+            //{"text": "set logging on"},
+            {
+               "text": "file '${workspaceRoot}/build/firmware/baseband/baseband_adsbrx.elf'"
+            },
+            {
+               "text": "target extended-remote /dev/ttyACM0"
+            },
+            {
+               "text": "monitor swdp_scan"
+            },
+            {
+               "text": "attach 1"
+            },
+         ],
+         "launchCompleteCommand": "None",
+         "externalConsole": false,
+      },
+      {
+         "name": "(gdb) OpenOCD m4 baseband",
+         "type": "cppdbg",
+         "request": "launch",
+         "program": "${workspaceRoot}/build/firmware/baseband/baseband_sd_over_usb.elf",
+         "args": [],
+         "cwd": "${workspaceRoot}",
+         // "environment": [
+         //     {
+         //         "name": "PATH",
+         //         "value": "${env:PATH}"
+         //     }
+         // ],
+         "externalConsole": false,
+         "MIMode": "gdb",
+         "miDebuggerPath": "arm-none-eabi-gdb",
+         "targetArchitecture": "arm",
+         "debugServerPath": "openocd",
+         "debugServerArgs": "-f interface/ftdi/um232h.cfg  -f target/lpc4350.cfg -c \"gdb_breakpoint_override hard\"",
+         "serverStarted": "Listening on port [0-9]+ for gdb connections",
+         "filterStderr": true,
+         "filterStdout": false,
+         "launchCompleteCommand": "None",
+         "postRemoteConnectCommands": [
+            {
+               "description": "Target Remote Device on Port 3333",
+               "text": "target extended-remote :3333",
+               "ignoreFailures": false
+            },
+            {
+               "description": "Respect Hardware Limitations",
+               "text": "set remote hardware-watchpoint-limit 2",
+               "ignoreFailures": false
+            },
+            {
+               "description": "Respect Hardware Limitations",
+               "text": "set remote hardware-breakpoint-limit 4",
+               "ignoreFailures": false
+            },
+            {
+               "description": "Shutdown GDB Server on GDB Detach",
+               "text": "monitor [target current] configure -event gdb-detach { shutdown }",
+               "ignoreFailures": false
+            },
+         ],
+         "stopAtConnect": false,
+         "logging": {
+            "exceptions": true,
+            "engineLogging": false,
+            "moduleLoad": true,
+            "programOutput": true,
+            "trace": false,
+            "traceResponse": false
+         },
+         "useExtendedRemote": true
+      },
+      {
+         "name": "(gdb) OpenOCD m0 application",
+         "type": "cppdbg",
+         "request": "launch",
+         "program": "${workspaceRoot}/build/firmware/application/application.elf",
+         "args": [],
+         "cwd": "${workspaceRoot}",
+         // "environment": [
+         //     {
+         //         "name": "PATH",
+         //         "value": "${env:PATH}"
+         //     }
+         // ],
+         "externalConsole": false,
+         "MIMode": "gdb",
+         "miDebuggerPath": "arm-none-eabi-gdb",
+         "targetArchitecture": "arm",
+         "debugServerPath": "openocd",
+         "debugServerArgs": "-f interface/ftdi/um232h.cfg  -f target/lpc4350.cfg -c \"gdb_breakpoint_override hard\"",
+         "serverStarted": "Listening on port [0-9]+ for gdb connections",
+         "filterStderr": true,
+         "filterStdout": false,
+         "launchCompleteCommand": "None",
+         "postRemoteConnectCommands": [
+            {
+               "description": "Target Remote Device on Port 3334",
+               "text": "target extended-remote :3334",
+               "ignoreFailures": false
+            },
+            {
+               "description": "Respect Hardware Limitations",
+               "text": "set remote hardware-watchpoint-limit 1",
+               "ignoreFailures": false
+            },
+            {
+               "description": "Respect Hardware Limitations",
+               "text": "set remote hardware-breakpoint-limit 2",
+               "ignoreFailures": false
+            },
+            {
+               "description": "Shutdown GDB Server on GDB Detach",
+               "text": "monitor [target current] configure -event gdb-detach { shutdown }",
+               "ignoreFailures": false
+            },
+         ],
+         "stopAtConnect": false,
+         "logging": {
+            "exceptions": true,
+            "engineLogging": false,
+            "moduleLoad": true,
+            "programOutput": true,
+            "trace": false,
+            "traceResponse": false
+         },
+         "useExtendedRemote": true
+      },
+   ]
+}
@@ -72,12 +72,13 @@ set(HACKRF_CPLD_XSVF_PATH ${HACKRF_PATH}/firmware/cpld/sgpio_if/${HACKRF_CPLD_XS
 set(HACKRF_FIRMWARE_DFU_IMAGE ${hackrf_usb_BINARY_DIR}/${HACKRF_FIRMWARE_DFU_FILENAME})
 set(HACKRF_FIRMWARE_BIN_IMAGE ${hackrf_usb_BINARY_DIR}/${HACKRF_FIRMWARE_BIN_FILENAME})

-find_program(CCACHE "ccache")
-if(CCACHE)
-    set(CMAKE_C_COMPILER_LAUNCHER ${CCACHE})
-    set(CMAKE_CXX_COMPILER_LAUNCHER ${CCACHE})
-    set(ENV{CCACHE_SLOPPINESS} pch_defines,time_macros)
-endif(CCACHE)
+# this seems causing some issues (ref. in discord discussions), so temporarily disabled, until figure out the pros and cons and bugs of this tool.
+#find_program(CCACHE "ccache")
+#if(CCACHE)
+#    set(CMAKE_C_COMPILER_LAUNCHER ${CCACHE})
+#    set(CMAKE_CXX_COMPILER_LAUNCHER ${CCACHE})
+#    set(ENV{CCACHE_SLOPPINESS} pch_defines,time_macros)
+#endif(CCACHE)

 enable_testing()
 add_subdirectory(firmware)
@@ -1,5 +1,7 @@
-> [!IMPORTANT]  
-> this repository **has just been moved** from my personal GitHub [eried/portapack-mayhem](https://github.com/eried/portapack-mayhem) to an organization: [portapack-mayhem](https://github.com/portapack-mayhem/mayhem-firmware). Please keep this in mind to **update your links** accordingly.
+> [!WARNING]
+> __IF YOU'VE PAID FOR MAYHEM OR ANY PREPACKAGED VERSIONS, YOU'RE BEING SCAMMED.__ 
+>
+> The only legitimate link to our repositories is the [portapack-mayhem](https://github.com/portapack-mayhem/mayhem-firmware) organization on GitHub.

 # PortaPack Mayhem

@@ -9,15 +11,15 @@ This is a fork of the [Havoc](https://github.com/furrtek/portapack-havoc/) firmw

 [<img src="https://raw.githubusercontent.com/wiki/portapack-mayhem/mayhem-firmware/img/hw_overview_h2_front.png" height="400">](https://github.com/portapack-mayhem/mayhem-firmware/wiki/Hardware-overview) [<img src="https://raw.githubusercontent.com/wiki/portapack-mayhem/mayhem-firmware/img/hw_overview_h2_inside.png" height="400">](https://github.com/portapack-mayhem/mayhem-firmware/wiki/Hardware-overview#portapack-internals)

-*[PortaPack H2+HackRF+battery](https://s.click.aliexpress.com/e/_DmU7GQX) (clone) with a custom [3d printed case](https://github.com/portapack-mayhem/mayhem-firmware/wiki/H2-Enclosure)*
+*[PortaPack H2+HackRF+battery](https://grabify.link/7T28JP) (clone) with a custom [3d printed case](https://github.com/portapack-mayhem/mayhem-firmware/wiki/H2-Enclosure)*

 # What is this?

-If you are new to *HackRF+PortaPack+Mayhem*, check this video:
+If you are new to *HackRF+PortaPack+Mayhem*, check these:

-[![Beginner's Guide To The HackRF & Portapak With Mayhem](https://img.youtube.com/vi/H-bqdWfbhpg/0.jpg)](https://www.youtube.com/watch?v=H-bqdWfbhpg)
+[<img alt="It’s TOO Easy to Accidentally Do Illegal Stuff with This" src="https://img.youtube.com/vi/OPckpjBSAOw/maxresdefault.jpg" width="700">](https://grabify.link/X4D5TF)

-For people familiar with the [Flipper Zero](https://github.com/flipperdevices/flipperzero-firmware), this one might be interesting:<br>[What is the HackRF One Portapack H2+?](https://www.youtube.com/watch?v=alrFbY5vxt4)
+[<img alt="What is the HackRF One Portapack H2+?" src="https://img.youtube.com/vi/alrFbY5vxt4/maxresdefault.jpg" width="230">](https://grabify.link/9UZGEW) [<img alt="Beginner's Guide To The HackRF & Portapak With Mayhem" src="https://img.youtube.com/vi/H-bqdWfbhpg/maxresdefault.jpg" width="230">](https://grabify.link/5MU2VH) [<img alt="HackRF 101 : Everything You Need to Know to Get Started!" src="https://img.youtube.com/vi/xGR_PMD9LeU/maxresdefault.jpg" width="230">](https://grabify.link/C0J6ZR)

 # Frequently Asked Questions

@@ -25,11 +27,11 @@ This repository expands upon the previous work by many people and aims to consta

 ## What to buy?

-:heavy_check_mark: A recommended one is this [PortaPack H2](https://s.click.aliexpress.com/e/_DmU7GQX), that includes everything you need with the plastic case "inspired" on [this](https://github.com/portapack-mayhem/mayhem-firmware/wiki/H2-Enclosure).
+:heavy_check_mark: ![Static Badge](https://img.shields.io/badge/NEW-yellow) The fabulous [PortaPack H4M Mayhem](https://grabify.link/VPMPSL), featuring numerous improvements and accessories. Sold by our friends at OpenSourceSDRLab. Join their giveaways on discord (check the badge on top).

-:heavy_check_mark: Our friends at OpenSourceSDRLab give away five units every three months in our discord (check the badge on top) of their [PortaPack H2](https://www.aliexpress.com/item/4000247041639.html?gatewayAdapt=4itemAdapt), you can support them too by ordering.
+:heavy_check_mark: A recommended one is this [PortaPack H2](https://grabify.link/7T28JP), that includes everything you need with the plastic case "inspired" on [this](https://github.com/portapack-mayhem/mayhem-firmware/wiki/H2-Enclosure).

-:heavy_check_mark: Another popular option is the clone of the [PortaPack H1](https://s.click.aliexpress.com/e/_Dkbqs2X).
+:heavy_check_mark: Some individuals lean towards the [H2 with a metal enclosure](https://grabify.link/HTDXG5), but its advantages remain debated. Share your insights on our [wiki](https://github.com/portapack-mayhem/mayhem-firmware/wiki/Hardware-overview). 

 :warning: Be cautious , *ask* the seller about compatibility with the latest releases. Look out for the description of the item, if they provide the firmware files for an older version or they have custom setup instructions, this means it might be **NOT compatible**, for example:

@@ -53,13 +55,7 @@ Consider that the hardware and firmware has been created and maintain by a [lot]
 To support the people behind the hardware, please buy a genuine [HackRF](https://greatscottgadgets.com/hackrf/) and [PortaPack](https://store.sharebrained.com/products/portapack-for-hackrf-one-kit).

 ## What if I really want something specific?
-If what you need can be relevant in general, you can [request a feature](https://github.com/portapack-mayhem/mayhem-firmware/issues/new?labels=enhancement&template=feature_request.md).
-
-<del>You can create a bounty and invite people to your own bounty. This will incentivize coders to work on a new feature, solving a bug or even writting documentation. Start a bounty by [creating](https://github.com/portapack-mayhem/mayhem-firmware/issues/new/choose) or [choosing](https://github.com/portapack-mayhem/mayhem-firmware/issues/) an existing issue. Then, go to [Bountysource](https://www.bountysource.com/) and post a bounty using the link to that specific [issue](https://www.bountysource.com/teams/portapack-mayhem/issues).</del>
-
-<del>Promote your bounty over our Discord by clicking the chat badge on [top](#portapack-mayhem).</del>
-
-Bountysource has not been reliable lately, so until this changes, please **DO NOT** post a bounty there. Go to our Discord by clicking the chat badge on [top](#portapack-mayhem) and discuss there.
+If what you need can be relevant in general, you can [request a feature](https://github.com/portapack-mayhem/mayhem-firmware/issues/new?labels=enhancement&template=feature_request.md). Alternatively, go to our Discord by clicking the chat badge on [top](#portapack-mayhem) and discuss there.

 ## What if I need help?
 First, check the [documentation](https://github.com/portapack-mayhem/mayhem-firmware/wiki). If you find a bug or you think the problem is related to the current repository, please open an [issue](https://github.com/portapack-mayhem/mayhem-firmware/issues/new/choose).
@@ -50,6 +50,7 @@ endif()

 add_subdirectory(application)
 add_subdirectory(baseband)
+add_subdirectory(standalone)
 add_subdirectory(test)

 # NOTE: Dependencies break if the .bin files aren't included in DEPENDS. WTF, CMake?
@@ -88,7 +89,7 @@ add_custom_target(
 	program-external-apps
 	WORKING_DIRECTORY ${CMAKE_CURRENT_BINARY_DIR}
 	COMMAND ${PROJECT_SOURCE_DIR}/tools/copy_external_apps.sh
-	DEPENDS program
+	DEPENDS program standalone_apps
 )

 add_custom_command(
@@ -100,8 +101,9 @@ add_custom_command(
 	COMMAND cp ${FIRMWARE_FILENAME} firmware_tar/FIRMWARE/portapack-mayhem_${VERSION_NOHASH}.bin
 	COMMAND mkdir -p firmware_tar/APPS
 	COMMAND cp application/*.ppma firmware_tar/APPS
+	COMMAND cp standalone/*/*.ppmp firmware_tar/APPS
 	COMMAND cd firmware_tar && tar -cvaf ../${PPFW_FILENAME} *
-	DEPENDS firmware ${FIRMWARE_FILENAME}
+	DEPENDS firmware ${FIRMWARE_FILENAME} standalone_apps
 	# Dont use VERBATIM here as it prevents usage of globbing (*)
 	# There shouldnt be any funny business in the filenames above :)
 )
@@ -176,7 +176,11 @@ set(CPPSRC
 	${COMMON}/ui_language.cpp
 	${COMMON}/utility.cpp
 	${COMMON}/wm8731.cpp
+	${COMMON}/ads1110.cpp
+	${COMMON}/max17055.cpp
+	${COMMON}/battery.cpp
 	${COMMON}/performance_counter.cpp
+	${COMMON}/bmpfile.cpp
 	app_settings.cpp
 	audio.cpp
 	baseband_api.cpp
@@ -190,6 +194,7 @@ set(CPPSRC
 	event_m0.cpp
 	file_reader.cpp
 	file.cpp
+	file_path.cpp
 	freqman_db.cpp
 	freqman.cpp
 	io_convert.cpp
@@ -201,6 +206,7 @@ set(CPPSRC
 	irq_rtc.cpp
 	log_file.cpp
 	metadata_file.cpp
+	flipper_subfile.cpp
 	portapack.cpp
 	usb_serial_shell.cpp
 	usb_serial_shell_filesystem.cpp
@@ -208,6 +214,7 @@ set(CPPSRC
 	usb_serial_thread.cpp
 	usb_serial.cpp
 	usb_serial_host_to_device.cpp
+	usb_serial_asyncmsg.cpp
 	qrcodegen.cpp
 	radio.cpp
 	receiver_model.cpp
@@ -220,6 +227,7 @@ set(CPPSRC
 	spectrum_color_lut.cpp
 	string_format.cpp
 	temperature_logger.cpp
+	theme.cpp
 	touch.cpp
 	tone_key.cpp
 	transmitter_model.cpp
@@ -253,11 +261,11 @@ set(CPPSRC
 	ui/ui_freqlist.cpp
 	ui/ui_tv.cpp
 	ui/ui_spectrum.cpp
-	ui/ui_styles.cpp
 	ui/ui_tabview.cpp
 	ui/ui_textentry.cpp
 	ui/ui_tone_key.cpp
 	ui/ui_transmitter.cpp
+	ui/ui_bmpview.cpp
 	apps/acars_app.cpp
 	apps/ais_app.cpp
 	apps/analog_audio_app.cpp
@@ -272,17 +280,19 @@ set(CPPSRC
 	apps/pocsag_app.cpp
 	# apps/replay_app.cpp
 	apps/soundboard_app.cpp
-	apps/tpms_app.cpp
-	apps/tpms_app.cpp
+	# apps/tpms_app.cpp
 	apps/ui_about_simple.cpp
 	apps/ui_adsb_rx.cpp
-	apps/ui_adsb_tx.cpp
+	# apps/ui_adsb_tx.cpp #moved to ext
 	apps/ui_aprs_rx.cpp
 	apps/ui_aprs_tx.cpp
+	apps/ui_battinfo.cpp
 	apps/ui_bht_tx.cpp
+	apps/ui_bmp_file_viewer.cpp
 	apps/ui_btle_rx.cpp
 	# apps/ui_coasterp.cpp
 	apps/ui_debug.cpp
+	apps/ui_debug_battery.cpp
 	apps/ui_dfu_menu.cpp
 	apps/ui_encoders.cpp
 	apps/ui_fileman.cpp
@@ -297,7 +307,7 @@ set(CPPSRC
 	apps/ui_looking_glass_app.cpp
 	apps/ui_mictx.cpp
 	apps/ui_modemsetup.cpp
-	apps/ui_morse.cpp
+	# apps/ui_morse.cpp
 	# apps/ui_nrf_rx.cpp
 	# apps/ui_nuoptix.cpp
 	apps/ui_playlist.cpp
@@ -317,7 +327,8 @@ set(CPPSRC
 	# apps/ui_spectrum_painter_text.cpp
 	# apps/ui_spectrum_painter.cpp
 	apps/ui_ss_viewer.cpp
-	apps/ui_sstvtx.cpp
+	# apps/ui_sstvtx.cpp #moved to ext
+	apps/ui_standalone_view.cpp
 	apps/ui_subghzd.cpp
 	# apps/ui_test.cpp
 	apps/ui_text_editor.cpp
@@ -500,6 +511,7 @@ include_directories(. ${INCDIR})
 link_directories(${LLIBDIR})
 target_link_libraries(${PROJECT_NAME}.elf ${LIBS} "-L${CMAKE_CURRENT_LIST_DIR}/external")
 target_link_libraries(${PROJECT_NAME}.elf -Wl,-Map=${PROJECT_NAME}.map)
+target_link_libraries(${PROJECT_NAME}.elf -Wl,--print-memory-usage)

 add_custom_command(
 	OUTPUT ${PROJECT_NAME}.bin
@@ -30,6 +30,7 @@
 #include "portapack.hpp"
 #include "portapack_persistent_memory.hpp"
 #include "utility.hpp"
+#include "file_path.hpp"

 #include <algorithm>
 #include <cstring>
@@ -40,7 +41,7 @@ using namespace portapack;

 namespace {
 fs::path get_settings_path(const std::string& app_name) {
-    return fs::path{SETTINGS_DIR} / app_name + u".ini";
+    return settings_dir / app_name + u".ini";
 }
 }  // namespace

@@ -156,7 +157,7 @@ bool save_settings(std::string_view store_name, const SettingBindings& bindings)
    File f;
    auto path = get_settings_path(std::string{store_name});

-    ensure_directory(SETTINGS_DIR);
+    ensure_directory(settings_dir);
    auto error = f.create(path);
    if (error)
        return false;
@@ -174,16 +175,12 @@ void copy_to_radio_model(const AppSettings& settings) {
    // Specifically 'modulation' which requires a running baseband.

    if (flags_enabled(settings.mode, Mode::TX)) {
-        if (!flags_enabled(settings.options, Options::UseGlobalTargetFrequency))
-            persistent_memory::set_target_frequency(settings.tx_frequency);
-
+        persistent_memory::set_target_frequency(settings.tx_frequency);
        transmitter_model.configure_from_app_settings(settings);
    }

    if (flags_enabled(settings.mode, Mode::RX)) {
-        if (!flags_enabled(settings.options, Options::UseGlobalTargetFrequency))
-            persistent_memory::set_target_frequency(settings.rx_frequency);
-
+        persistent_memory::set_target_frequency(settings.rx_frequency);
        receiver_model.configure_from_app_settings(settings);
        receiver_model.set_configuration_without_update(
            static_cast<ReceiverModel::Mode>(settings.modulation),
@@ -36,9 +36,6 @@
 #include "max283x.hpp"
 #include "string_format.hpp"

-// Folder to store app settings, pmem_fileflag, and date_fileflag
-#define SETTINGS_DIR u"/SETTINGS"
-
 // Bring in the string_view literal.
 using std::literals::operator""sv;

@@ -121,9 +118,6 @@ enum class Mode : uint8_t {

 enum class Options {
    None = 0x0000,
-
-    /* Don't use target frequency from app settings. */
-    UseGlobalTargetFrequency = 0x0001,
 };

 /* NB: See RX/TX model headers for default values. */
@@ -24,6 +24,7 @@

 #include "baseband_api.hpp"
 #include "portapack_persistent_memory.hpp"
+#include "file_path.hpp"

 using namespace portapack;
 using namespace acars;
@@ -77,7 +78,7 @@ ACARSAppView::ACARSAppView(NavigationView& nav)

    logger = std::make_unique<ACARSLogger>();
    if (logger)
-        logger->append(LOG_ROOT_DIR "/ACARS.TXT");
+        logger->append(logs_dir / u"ACARS.TXT");
 }

 ACARSAppView::~ACARSAppView() {
@@ -35,7 +35,7 @@

 class ACARSLogger {
   public:
-    Optional<File::Error> append(const std::string& filename) {
+    Optional<File::Error> append(const std::filesystem::path& filename) {
        return log_file.append(filename);
    }

@@ -20,9 +20,11 @@
 */

 #include "ais_app.hpp"
+#include "audio.hpp"

 #include "string_format.hpp"
 #include "database.hpp"
+#include "file_path.hpp"

 #include "baseband_api.hpp"

@@ -31,6 +33,8 @@ using namespace portapack;

 #include <algorithm>

+namespace pmem = portapack::persistent_memory;
+
 namespace ais {
 namespace format {

@@ -189,6 +193,10 @@ void AISLogger::on_packet(const ais::Packet& packet) {
    }

    log_file.write_entry(packet.received_at(), entry);
+
+    if (pmem::beep_on_packets()) {
+        baseband::request_audio_beep(1000, 24000, 60);
+    }
 }

 void AISRecentEntry::update(const ais::Packet& packet) {
@@ -376,6 +384,7 @@ AISAppView::AISAppView(NavigationView& nav)
        &field_lna,
        &field_vga,
        &rssi,
+        &field_volume,
        &channel,
        &recent_entries_view,
        &recent_entry_detail_view,
@@ -399,11 +408,17 @@ AISAppView::AISAppView(NavigationView& nav)

    logger = std::make_unique<AISLogger>();
    if (logger) {
-        logger->append(LOG_ROOT_DIR "/AIS.TXT");
+        logger->append(logs_dir / u"AIS.TXT");
+    }
+
+    if (pmem::beep_on_packets()) {
+        audio::set_rate(audio::Rate::Hz_24000);
+        audio::output::start();
    }
 }

 AISAppView::~AISAppView() {
+    audio::output::stop();
    receiver_model.disable();
    baseband::shutdown();
 }
@@ -209,6 +209,9 @@ class AISAppView : public View {
        {21 * 8, 0, 6 * 8, 4},
    };

+    AudioVolumeField field_volume{
+        {28 * 8, 0 * 16}};
+
    Channel channel{
        {21 * 8, 5, 6 * 8, 4},
    };
@@ -30,6 +30,7 @@
 #include "string_format.hpp"
 #include "ui_freqman.hpp"
 #include "utility.hpp"
+#include "radio.hpp"

 using namespace portapack;
 using namespace tonekey;
@@ -38,8 +39,6 @@ namespace ui {

 /* AMOptionsView *********************************************************/

-static const Style& style_options_group = Styles::bg_blue;
-
 AMOptionsView::AMOptionsView(
    Rect parent_rect,
    const Style* style)
@@ -112,10 +111,14 @@ SPECOptionsView::SPECOptionsView(
    : View{parent_rect} {
    set_style(style);

-    add_children({&label_config,
-                  &options_config,
-                  &text_speed,
-                  &field_speed});
+    add_children({
+        &label_config,
+        &options_config,
+        &text_speed,
+        &field_speed,
+        &text_rx_cal,
+        &field_rx_iq_phase_cal,
+    });

    options_config.set_selected_index(view->get_spec_bw_index());
    options_config.on_change = [this, view](size_t n, OptionsField::value_t bw) {
@@ -126,6 +129,14 @@ SPECOptionsView::SPECOptionsView(
    field_speed.on_change = [this, view](int32_t v) {
        view->set_spec_trigger(v);
    };
+
+    field_rx_iq_phase_cal.set_range(0, hackrf_r9 ? 63 : 31);                       // max2839 has 6 bits [0..63],  max2837 has 5 bits [0..31]
+    field_rx_iq_phase_cal.set_value(view->get_spec_iq_phase_calibration_value());  // using  accessor function of AnalogAudioView to read iq_phase_calibration_value from rx_audio.ini
+    field_rx_iq_phase_cal.on_change = [this, view](int32_t v) {
+        view->set_spec_iq_phase_calibration_value(v);  // using  accessor function of AnalogAudioView to write inside SPEC submenu, register value to max283x and save it to rx_audio.ini
+    };
+
+    view->set_spec_iq_phase_calibration_value(view->get_spec_iq_phase_calibration_value());  // initialize iq_phase_calibration in radio
 }

 /* AnalogAudioView *******************************************************/
@@ -195,7 +206,9 @@ AnalogAudioView::AnalogAudioView(
    NavigationView& nav,
    ReceiverModel::settings_t override)
    : AnalogAudioView(nav) {
+    // Settings to override when launched from another app (versus from AppSettings .ini file)
    // TODO: Which other settings make sense to override?
+    field_frequency.set_value(override.frequency_app_override);
    on_frequency_step_changed(override.frequency_step);
    options_modulation.set_by_value(toUType(override.mode));
 }
@@ -213,6 +226,15 @@ void AnalogAudioView::set_spec_bw(size_t index, uint32_t bw) {
    receiver_model.set_baseband_bandwidth(bw / 2);
 }

+uint8_t AnalogAudioView::get_spec_iq_phase_calibration_value() {  // define accessor functions inside AnalogAudioView to read & write real iq_phase_calibration_value
+    return iq_phase_calibration_value;
+}
+
+void AnalogAudioView::set_spec_iq_phase_calibration_value(uint8_t cal_value) {  // define accessor functions
+    iq_phase_calibration_value = cal_value;
+    radio::set_rx_max283x_iq_phase_calibration(iq_phase_calibration_value);
+}
+
 uint16_t AnalogAudioView::get_spec_trigger() {
    return spec_trigger;
 }
@@ -273,13 +295,13 @@ void AnalogAudioView::set_options_widget(std::unique_ptr<Widget> new_widget) {
        options_widget = std::move(new_widget);
    } else {
        // TODO: Lame hack to hide options view due to my bad paint/damage algorithm.
-        options_widget = std::make_unique<Rectangle>(options_view_rect, style_options_group.background);
+        options_widget = std::make_unique<Rectangle>(options_view_rect, Theme::getInstance()->option_active->background);
    }
    add_child(options_widget.get());
 }

 void AnalogAudioView::on_show_options_frequency() {
-    auto widget = std::make_unique<FrequencyOptionsView>(options_view_rect, &style_options_group);
+    auto widget = std::make_unique<FrequencyOptionsView>(options_view_rect, Theme::getInstance()->option_active);

    widget->set_step(receiver_model.frequency_step());
    widget->on_change_step = [this](rf::Frequency f) {
@@ -291,14 +313,14 @@ void AnalogAudioView::on_show_options_frequency() {
    };

    set_options_widget(std::move(widget));
-    field_frequency.set_style(&style_options_group);
+    field_frequency.set_style(Theme::getInstance()->option_active);
 }

 void AnalogAudioView::on_show_options_rf_gain() {
-    auto widget = std::make_unique<RadioGainOptionsView>(options_view_rect, &style_options_group);
+    auto widget = std::make_unique<RadioGainOptionsView>(options_view_rect, Theme::getInstance()->option_active);

    set_options_widget(std::move(widget));
-    field_lna.set_style(&style_options_group);
+    field_lna.set_style(Theme::getInstance()->option_active);
 }

 void AnalogAudioView::on_show_options_modulation() {
@@ -307,25 +329,25 @@ void AnalogAudioView::on_show_options_modulation() {
    const auto modulation = receiver_model.modulation();
    switch (modulation) {
        case ReceiverModel::Mode::AMAudio:
-            widget = std::make_unique<AMOptionsView>(options_view_rect, &style_options_group);
+            widget = std::make_unique<AMOptionsView>(options_view_rect, Theme::getInstance()->option_active);
            waterfall.show_audio_spectrum_view(false);
            text_ctcss.hidden(true);
            break;

        case ReceiverModel::Mode::NarrowbandFMAudio:
-            widget = std::make_unique<NBFMOptionsView>(nbfm_view_rect, &style_options_group);
+            widget = std::make_unique<NBFMOptionsView>(nbfm_view_rect, Theme::getInstance()->option_active);
            waterfall.show_audio_spectrum_view(false);
            text_ctcss.hidden(false);
            break;

        case ReceiverModel::Mode::WidebandFMAudio:
-            widget = std::make_unique<WFMOptionsView>(options_view_rect, &style_options_group);
+            widget = std::make_unique<WFMOptionsView>(options_view_rect, Theme::getInstance()->option_active);
            waterfall.show_audio_spectrum_view(true);
            text_ctcss.hidden(true);
            break;

        case ReceiverModel::Mode::SpectrumAnalysis:
-            widget = std::make_unique<SPECOptionsView>(this, nbfm_view_rect, &style_options_group);
+            widget = std::make_unique<SPECOptionsView>(this, nbfm_view_rect, Theme::getInstance()->option_active);
            waterfall.show_audio_spectrum_view(false);
            text_ctcss.hidden(true);
            break;
@@ -336,7 +358,7 @@ void AnalogAudioView::on_show_options_modulation() {
    }

    set_options_widget(std::move(widget));
-    options_modulation.set_style(&style_options_group);
+    options_modulation.set_style(Theme::getInstance()->option_active);
 }

 void AnalogAudioView::on_frequency_step_changed(rf::Frequency f) {
@@ -413,4 +435,7 @@ void AnalogAudioView::handle_coded_squelch(uint32_t value) {
    text_ctcss.set(tone_key_string_by_value(value, text_ctcss.parent_rect().width() / 8));
 }

+void AnalogAudioView::on_freqchg(int64_t freq) {
+    field_frequency.set_value(freq);
+}
 } /* namespace ui */
@@ -29,7 +29,6 @@
 #include "ui_freq_field.hpp"
 #include "ui_spectrum.hpp"
 #include "ui_record_view.hpp"
-#include "ui_styles.hpp"
 #include "app_settings.hpp"
 #include "radio_state.hpp"
 #include "tone_key.hpp"
@@ -133,6 +132,16 @@ class SPECOptionsView : public View {
        1,
        ' ',
    };
+    Text text_rx_cal{
+        {19 * 8, 0 * 16, 11 * 8, 1 * 16},  // 18 (x col.) x char_size,  12 (length) x 8 blanking space to delete previous chars.
+        "Rx_IQ_CAL  "};
+    NumberField field_rx_iq_phase_cal{
+        {28 * 8, 0 * 16},
+        2,
+        {0, 63},  // 5 or 6 bits IQ CAL phase adjustment (range updated later)
+        1,
+        ' ',
+    };
 };

 class AnalogAudioView : public View {
@@ -152,14 +161,21 @@ class AnalogAudioView : public View {
    uint16_t get_spec_trigger();
    void set_spec_trigger(uint16_t trigger);

+    uint8_t get_spec_iq_phase_calibration_value();
+    void set_spec_iq_phase_calibration_value(uint8_t cal_value);
+
   private:
    static constexpr ui::Dim header_height = 3 * 16;

    NavigationView& nav_;
    RxRadioState radio_state_{};
+    uint8_t iq_phase_calibration_value{15};  // initial default RX IQ phase calibration value , used for both max2837 & max2839
    app_settings::SettingsManager settings_{
-        "rx_audio", app_settings::Mode::RX,
-        app_settings::Options::UseGlobalTargetFrequency};
+        "rx_audio",
+        app_settings::Mode::RX,
+        {
+            {"iq_phase_calibration"sv, &iq_phase_calibration_value},  // we are saving and restoring that CAL from Settings.
+        }};

    const Rect options_view_rect{0 * 8, 1 * 16, 30 * 8, 1 * 16};
    const Rect nbfm_view_rect{0 * 8, 1 * 16, 18 * 8, 1 * 16};
@@ -231,12 +247,21 @@ class AnalogAudioView : public View {

    void handle_coded_squelch(uint32_t value);

+    void on_freqchg(int64_t freq);
+
    MessageHandlerRegistration message_handler_coded_squelch{
        Message::ID::CodedSquelch,
        [this](const Message* p) {
            const auto message = *reinterpret_cast<const CodedSquelchMessage*>(p);
            this->handle_coded_squelch(message.value);
        }};
+
+    MessageHandlerRegistration message_handler_freqchg{
+        Message::ID::FreqChangeCommand,
+        [this](Message* const p) {
+            const auto message = static_cast<const FreqChangeCommandMessage*>(p);
+            this->on_freqchg(message->freq);
+        }};
 };

 } /* namespace ui */
@@ -32,6 +32,7 @@
 #include "string_format.hpp"
 #include "portapack_persistent_memory.hpp"
 #include "ui_text.hpp"
+#include "file_path.hpp"

 using namespace portapack;
 using namespace modems;
@@ -100,7 +101,7 @@ BLECommView::BLECommView(NavigationView& nav)
        logging = v;

        if (logger && logging)
-            logger->append(LOG_ROOT_DIR "/BLELOG_" + to_string_timestamp(rtc_time::now()) + ".TXT");
+            logger->append(logs_dir.string() + "/BLELOG_" + to_string_timestamp(rtc_time::now()) + ".TXT");
    };

    options_channel.on_change = [this](size_t, int32_t i) {
@@ -42,7 +42,7 @@

 class BLECommLogger {
   public:
-    Optional<File::Error> append(const std::string& filename) {
+    Optional<File::Error> append(const std::filesystem::path& filename) {
        return log_file.append(filename);
    }

@@ -148,13 +148,13 @@ class BLECommView : public View {
        {24 * 8, 5, 6 * 8, 4}};

    Labels label_send_adv{
-        {{0 * 8, 2 * 8}, "Send Advertisement:", Color::light_grey()}};
+        {{0 * 8, 2 * 8}, "Send Advertisement:", Theme::getInstance()->fg_light->foreground}};

    ImageButton button_send_adv{
        {21 * 8, 1 * 16, 10 * 8, 2 * 16},
        &bitmap_play,
-        Color::green(),
-        Color::black()};
+        Theme::getInstance()->fg_green->foreground,
+        Theme::getInstance()->fg_green->background};

    Checkbox check_log{
        {24 * 8, 2 * 8},
@@ -163,7 +163,7 @@ class BLECommView : public View {
        true};

    Labels label_packets_sent{
-        {{0 * 8, 4 * 8}, "Packets Left:", Color::light_grey()}};
+        {{0 * 8, 4 * 8}, "Packets Left:", Theme::getInstance()->fg_light->foreground}};

    Text text_packets_sent{
        {13 * 8, 2 * 16, 12 * 8, 16},
@@ -428,6 +428,7 @@ BLERxView::BLERxView(NavigationView& nav)
                  &text_found_count,
                  &check_serial_log,
                  &button_filter,
+                  &options_filter,
                  &button_save_list,
                  &button_clear_list,
                  &button_switch,
@@ -470,10 +471,7 @@ BLERxView::BLERxView(NavigationView& nav)
        logging = v;

        if (logger && logging)
-            logger->append(
-                "BLERX/Logs"
-                "/BLELOG_" +
-                to_string_timestamp(rtc_time::now()) + ".TXT");
+            logger->append(blerx_dir.string() + "/Logs/BLELOG_" + to_string_timestamp(rtc_time::now()) + ".TXT");
    };
    check_log.set_value(logging);

@@ -502,6 +500,7 @@ BLERxView::BLERxView(NavigationView& nav)

    check_name.on_select = [this](Checkbox&, bool v) {
        name_enable = v;
+        // update the include_name instance variable value of each entry in recent entries
        setAllMembersToValue(recent, &BleRecentEntry::include_name, v);
        recent_entries_view.set_dirty();
    };
@@ -528,8 +527,14 @@ BLERxView::BLERxView(NavigationView& nav)
        handle_entries_sort(v);
    };

+    options_filter.on_change = [this](size_t index, int32_t v) {
+        filter_index = (uint8_t)index;
+        handle_filter_options(v);
+    };
+
    options_channel.set_selected_index(channel_index, true);
    options_sort.set_selected_index(sort_index, true);
+    options_filter.set_selected_index(filter_index, true);

    button_find.on_select = [this](Button&) {
        auto open_view = nav_.push<FileLoadView>(".TXT");
@@ -719,10 +724,11 @@ void BLERxView::on_data(BlePacketData* packet) {
    updateEntry(packet, entry, (ADV_PDU_TYPE)packet->type);

    // Add entries if they meet the criteria.
-    auto value = filter;
-    resetFilteredEntries(recent, [&value](const BleRecentEntry& entry) {
-        return (entry.dataString.find(value) == std::string::npos) && (entry.nameString.find(value) == std::string::npos);
-    });
+    // auto value = filter;
+    // resetFilteredEntries(recent, [&value](const BleRecentEntry& entry) {
+    //     return (entry.dataString.find(value) == std::string::npos) && (entry.nameString.find(value) == std::string::npos);
+    // });
+    handle_filter_options(options_filter.selected_index());

    handle_entries_sort(options_sort.selected_index());

@@ -759,16 +765,17 @@ void BLERxView::on_data(BlePacketData* packet) {
 void BLERxView::on_filter_change(std::string value) {
    // New filter? Reset list from recent entries.
    if (filter != value) {
-        resetFilteredEntries(recent, [&value](const BleRecentEntry& entry) {
-            return (entry.dataString.find(value) == std::string::npos) && (entry.nameString.find(value) == std::string::npos);
-        });
+        // resetFilteredEntries(recent, [&value](const BleRecentEntry& entry) {
+        //     // return (entry.dataString.find(value) == std::string::npos) && (entry.nameString.find(value) == std::string::npos);
+        //     return (entry.dataString.find(value) == std::string::npos) && (entry.nameString.find(value) == std::string::npos) && (to_string_mac_address(entry.packetData.macAddress, 6, false).find(value) == std::string::npos);
+        // });
+        filter = value;
+        handle_filter_options(options_filter.selected_index());
    }
-
-    filter = value;
 }

 void BLERxView::on_file_changed(const std::filesystem::path& new_file_path) {
-    file_path = fs::path(u"/") + new_file_path;
+    file_path = new_file_path;
    found_count = 0;
    total_count = 0;
    searchList.clear();
@@ -855,6 +862,24 @@ void BLERxView::handle_entries_sort(uint8_t index) {
    recent_entries_view.set_dirty();
 }

+void BLERxView::handle_filter_options(uint8_t index) {
+    auto value = filter;
+    switch (index) {
+        case 0:  // filter by Data
+            resetFilteredEntries(recent, [&value](const BleRecentEntry& entry) {
+                return (entry.dataString.find(value) == std::string::npos) && (entry.nameString.find(value) == std::string::npos);
+            });
+            break;
+        case 1:  // filter by MAC address (All caps: e.g. AA:BB:CC:DD:EE:FF)
+            resetFilteredEntries(recent, [&value](const BleRecentEntry& entry) {
+                return (to_string_mac_address(entry.packetData.macAddress, 6, false).find(value) == std::string::npos);
+            });
+            break;
+        default:
+            break;
+    }
+}
+
 void BLERxView::set_parent_rect(const Rect new_parent_rect) {
    View::set_parent_rect(new_parent_rect);
    const Rect content_rect{0, header_height, new_parent_rect.width(), new_parent_rect.height() - header_height - switch_button_height};
@@ -917,6 +942,7 @@ void BLERxView::updateEntry(const BlePacketData* packet, BleRecentEntry& entry,

            // Subtract 1 because type is part of the length.
            for (int i = 0; i < length - 1; i++) {
+                // parse the name of bluetooth device: 0x08->Shortened Local Name; 0x09->Complete Local Name
                if (type == 0x08 || type == 0x09) {
                    decoded_data += (char)advertiseData->Data[currentByte];
                }
@@ -36,12 +36,13 @@
 #include "log_file.hpp"
 #include "utility.hpp"
 #include "usb_serial_thread.hpp"
+#include "file_path.hpp"

 #include "recent_entries.hpp"

 class BLELogger {
   public:
-    Optional<File::Error> append(const std::string& filename) {
+    Optional<File::Error> append(const std::filesystem::path& filename) {
        return log_file.append(filename);
    }

@@ -133,28 +134,28 @@ class BleRecentEntryDetailView : public View {
    void on_save_file(const std::string value, BLETxPacket packetToSave);
    bool saveFile(const std::filesystem::path& path, BLETxPacket packetToSave);
    std::string packetFileBuffer{};
-    std::filesystem::path packet_save_path{u"BLERX/Lists/????.csv"};
+    std::filesystem::path packet_save_path{blerx_dir / u"Lists/????.csv"};

    static constexpr uint8_t total_data_lines{5};

    Labels label_mac_address{
-        {{0 * 8, 0 * 16}, "Mac Address:", Color::light_grey()}};
+        {{0 * 8, 0 * 16}, "Mac Address:", Theme::getInstance()->fg_light->foreground}};

    Text text_mac_address{
        {12 * 8, 0 * 16, 17 * 8, 16},
        "-"};

    Labels label_pdu_type{
-        {{0 * 8, 1 * 16}, "PDU Type:", Color::light_grey()}};
+        {{0 * 8, 1 * 16}, "PDU Type:", Theme::getInstance()->fg_light->foreground}};

    Text text_pdu_type{
        {9 * 8, 1 * 16, 17 * 8, 16},
        "-"};

    Labels labels{
-        {{0 * 8, 3 * 16}, "Len", Color::light_grey()},
-        {{5 * 8, 3 * 16}, "Type", Color::light_grey()},
-        {{10 * 8, 3 * 16}, "Value", Color::light_grey()},
+        {{0 * 8, 3 * 16}, "Len", Theme::getInstance()->fg_light->foreground},
+        {{5 * 8, 3 * 16}, "Type", Theme::getInstance()->fg_light->foreground},
+        {{10 * 8, 3 * 16}, "Value", Theme::getInstance()->fg_light->foreground},
    };

    Button button_send{
@@ -202,6 +203,7 @@ class BLERxView : public View {
    void file_error();
    void on_timer();
    void handle_entries_sort(uint8_t index);
+    void handle_filter_options(uint8_t index);
    void updateEntry(const BlePacketData* packet, BleRecentEntry& entry, ADV_PDU_TYPE pdu_type);

    NavigationView& nav_;
@@ -213,6 +215,7 @@ class BLERxView : public View {

    uint8_t channel_index{0};
    uint8_t sort_index{0};
+    uint8_t filter_index{0};
    std::string filter{};
    bool logging{false};
    bool serial_logging{false};
@@ -226,6 +229,7 @@ class BLERxView : public View {
            {"sort_index"sv, &sort_index},
            {"filter"sv, &filter},
            {"log"sv, &logging},
+            {"filter_index"sv, &filter_index},
            // disabled to always start without USB serial activated until we can make it non blocking if not connected
            // {"serial_log"sv, &serial_logging},
            {"name"sv, &name_enable},
@@ -250,17 +254,17 @@ class BLERxView : public View {
    uint64_t total_count = 0;
    std::vector<std::string> searchList{};

-    std::filesystem::path find_packet_path{u"BLERX/Find/????.TXT"};
-    std::filesystem::path log_packets_path{u"BLERX/Logs/????.TXT"};
-    std::filesystem::path packet_save_path{u"BLERX/Lists/????.csv"};
+    std::filesystem::path find_packet_path{blerx_dir / u"Find/????.TXT"};
+    std::filesystem::path log_packets_path{blerx_dir / u"Logs/????.TXT"};
+    std::filesystem::path packet_save_path{blerx_dir / u"Lists/????.csv"};

-    static constexpr auto header_height = 4 * 16;
+    static constexpr auto header_height = 9 * 8;
    static constexpr auto switch_button_height = 3 * 16;

    OptionsField options_channel{
        {0 * 8, 0 * 8},
        5,
-        {{"Ch.37 ", 37},
+        {{"Ch.37", 37},
         {"Ch.38", 38},
         {"Ch.39", 39},
         {"Auto", 40}}};
@@ -285,10 +289,10 @@ class BLERxView : public View {
        {24 * 8, 5, 6 * 8, 4}};

    Labels label_sort{
-        {{0 * 8, 3 * 8}, "Sort:", Color::light_grey()}};
+        {{0 * 8, 2 * 8}, "Sort:", Theme::getInstance()->fg_light->foreground}};

    OptionsField options_sort{
-        {5 * 8, 3 * 8},
+        {5 * 8, 2 * 8},
        4,
        {{"MAC", 0},
         {"Hits", 1},
@@ -297,40 +301,46 @@ class BLERxView : public View {
         {"Name", 4}}};

    Button button_filter{
-        {11 * 8, 3 * 8, 4 * 8, 16},
-        "Filter"};
+        {11 * 8, 2 * 8, 7 * 8, 16},
+        "Filter:"};
+
+    OptionsField options_filter{
+        {18 * 8 + 2, 2 * 8},
+        4,
+        {{"Data", 0},
+         {"MAC", 1}}};

    Checkbox check_log{
-        {17 * 8, 3 * 8},
+        {10 * 8, 4 * 8 + 2},
        3,
        "Log",
        true};

    Checkbox check_name{
-        {23 * 8, 3 * 8},
+        {0 * 8, 4 * 8 + 2},
        3,
        "Name",
        true};

    Button button_find{
-        {0 * 8, 6 * 8, 4 * 8, 16},
+        {0 * 8, 7 * 8 - 2, 4 * 8, 16},
        "Find"};

    Labels label_found{
-        {{5 * 8, 6 * 8}, "Found:", Color::light_grey()}};
+        {{5 * 8, 7 * 8 - 2}, "Found:", Theme::getInstance()->fg_light->foreground}};

    Text text_found_count{
-        {11 * 8, 3 * 16, 20 * 8, 16},
+        {11 * 8, 7 * 8 - 2, 20 * 8, 16},
        "0/0"};

    Checkbox check_serial_log{
-        {17 * 8, 3 * 16 - 2},
+        {18 * 8 + 2, 4 * 8 + 2},
        7,
        "USB Log",
        true};

-    Console console{
-        {0, 4 * 16, 240, 240}};
+    // Console console{
+    //     {0, 10 * 8, 240, 240}};

    Button button_clear_list{
        {2 * 8, 320 - (16 + 32), 7 * 8, 32},
@@ -370,7 +380,7 @@ class BLERxView : public View {
        [this](const Message* const) {
            this->on_timer();
        }};
-};
+}; /* BLERxView */

 } /* namespace ui */

@@ -34,6 +34,7 @@
 #include "portapack_persistent_memory.hpp"
 #include "rtc_time.hpp"
 #include "string_format.hpp"
+#include "file_path.hpp"

 using namespace portapack;
 using namespace modems;
@@ -448,7 +449,7 @@ BLETxView::BLETxView(
 }

 void BLETxView::on_file_changed(const fs::path& new_file_path) {
-    file_path = fs::path(u"/") + new_file_path;
+    file_path = new_file_path;
    num_packets = 0;

    {  // Get the size of the data file.
@@ -36,6 +36,7 @@
 #include "replay_thread.hpp"
 #include "log_file.hpp"
 #include "utility.hpp"
+#include "file_path.hpp"

 #include "recent_entries.hpp"

@@ -44,7 +45,7 @@

 class BLELoggerTx {
   public:
-    Optional<File::Error> append(const std::string& filename) {
+    Optional<File::Error> append(const std::filesystem::path& filename) {
        return log_file.append(filename);
    }

@@ -138,7 +139,7 @@ class BLETxView : public View {
    uint32_t prev_value{0};

    std::filesystem::path file_path{};
-    std::filesystem::path packet_save_path{u"BLETX/BLETX_????.TXT"};
+    std::filesystem::path packet_save_path{bletx_dir / u"BLETX_????.TXT"};
    uint8_t channel_number = 37;
    bool auto_channel = false;

@@ -165,7 +166,7 @@ class BLETxView : public View {

    std::unique_ptr<FileWrapper> dataFileWrapper{};
    File dataFile{};
-    std::filesystem::path dataTempFilePath{u"BLETX/dataFileTemp.TXT"};
+    std::filesystem::path dataTempFilePath{bletx_dir / u"dataFileTemp.TXT"};
    std::vector<uint16_t> markedBytes{};
    CursorPos cursor_pos{};
    uint8_t marked_counter = 0;
@@ -217,11 +218,11 @@ class BLETxView : public View {
    ImageButton button_play{
        {28 * 8, 2 * 16, 2 * 8, 1 * 16},
        &bitmap_play,
-        Color::green(),
-        Color::black()};
+        Theme::getInstance()->fg_green->foreground,
+        Theme::getInstance()->fg_green->background};

    Labels label_speed{
-        {{0 * 8, 6 * 8}, "Speed:", Color::light_grey()}};
+        {{0 * 8, 6 * 8}, "Speed:", Theme::getInstance()->fg_light->foreground}};

    OptionsField options_speed{
        {7 * 8, 6 * 8},
@@ -253,7 +254,7 @@ class BLETxView : public View {
         {"CONNECT_REQ", PKT_TYPE_CONNECT_REQ}}};

    Labels label_marked_data{
-        {{0 * 8, 4 * 16}, "Marked Data:", Color::light_grey()}};
+        {{0 * 8, 4 * 16}, "Marked Data:", Theme::getInstance()->fg_light->foreground}};

    OptionsField marked_data_sequence{
        {12 * 8, 8 * 8},
@@ -263,28 +264,28 @@ class BLETxView : public View {
         {"Random", 2}}};

    Labels label_packet_index{
-        {{0 * 8, 12 * 8}, "Packet Index:", Color::light_grey()}};
+        {{0 * 8, 12 * 8}, "Packet Index:", Theme::getInstance()->fg_light->foreground}};

    Text text_packet_index{
        {13 * 8, 6 * 16, 12 * 8, 16},
        "-"};

    Labels label_packets_sent{
-        {{0 * 8, 14 * 8}, "Repeat Count:", Color::light_grey()}};
+        {{0 * 8, 14 * 8}, "Repeat Count:", Theme::getInstance()->fg_light->foreground}};

    Text text_packets_sent{
        {13 * 8, 7 * 16, 12 * 8, 16},
        "-"};

    Labels label_mac_address{
-        {{0 * 8, 16 * 8}, "Mac Address:", Color::light_grey()}};
+        {{0 * 8, 16 * 8}, "Mac Address:", Theme::getInstance()->fg_light->foreground}};

    Text text_mac_address{
        {12 * 8, 8 * 16, 20 * 8, 16},
        "-"};

    Labels label_data_packet{
-        {{0 * 8, 9 * 16}, "Packet Data:", Color::light_grey()}};
+        {{0 * 8, 9 * 16}, "Packet Data:", Theme::getInstance()->fg_light->foreground}};

    Console console{
        {0, 9 * 18, 240, 240}};
@@ -104,6 +104,14 @@ CaptureAppView::CaptureAppView(NavigationView& nav)
    };
 }

+CaptureAppView::CaptureAppView(
+    NavigationView& nav,
+    ReceiverModel::settings_t override)
+    : CaptureAppView(nav) {
+    // Settings to override when launched from another app (versus from AppSettings .ini file)
+    field_frequency.set_value(override.frequency_app_override);
+}
+
 CaptureAppView::~CaptureAppView() {
    receiver_model.disable();
    baseband::shutdown();
@@ -120,4 +128,8 @@ void CaptureAppView::focus() {
    record_view.focus();
 }

+void CaptureAppView::on_freqchg(int64_t freq) {
+    field_frequency.set_value(freq);
+}
+
 } /* namespace ui */
@@ -31,12 +31,14 @@
 #include "ui_spectrum.hpp"
 #include "app_settings.hpp"
 #include "radio_state.hpp"
+#include "file_path.hpp"

 namespace ui {

 class CaptureAppView : public View {
   public:
    CaptureAppView(NavigationView& nav);
+    CaptureAppView(NavigationView& nav, ReceiverModel::settings_t override);
    ~CaptureAppView();

    void focus() override;
@@ -51,12 +53,11 @@ class CaptureAppView : public View {
    NavigationView& nav_;
    RxRadioState radio_state_{ReceiverModel::Mode::Capture};
    app_settings::SettingsManager settings_{
-        "rx_capture", app_settings::Mode::RX,
-        app_settings::Options::UseGlobalTargetFrequency};
+        "rx_capture", app_settings::Mode::RX};

    Labels labels{
-        {{0 * 8, 1 * 16}, "Rate:", Color::light_grey()},
-        {{11 * 8, 1 * 16}, "Format:", Color::light_grey()},
+        {{0 * 8, 1 * 16}, "Rate:", Theme::getInstance()->fg_light->foreground},
+        {{11 * 8, 1 * 16}, "Format:", Theme::getInstance()->fg_light->foreground},
    };

    RSSI rssi{
@@ -101,12 +102,21 @@ class CaptureAppView : public View {
    RecordView record_view{
        {0 * 8, 2 * 16, 30 * 8, 1 * 16},
        u"BBD_????.*",
-        u"CAPTURES",
+        captures_dir,
        RecordView::FileType::RawS16,
        16384,
        3};

    spectrum::WaterfallView waterfall{};
+
+    MessageHandlerRegistration message_handler_freqchg{
+        Message::ID::FreqChangeCommand,
+        [this](Message* const p) {
+            const auto message = static_cast<const FreqChangeCommandMessage*>(p);
+            this->on_freqchg(message->freq);
+        }};
+
+    void on_freqchg(int64_t freq);
 };

 } /* namespace ui */
@@ -23,7 +23,7 @@
 #include "ert_app.hpp"

 #include "baseband_api.hpp"
-
+#include "audio.hpp"
 #include "portapack.hpp"
 using namespace portapack;

@@ -31,6 +31,9 @@ using namespace portapack;

 #include "crc.hpp"
 #include "string_format.hpp"
+#include "file_path.hpp"
+
+namespace pmem = portapack::persistent_memory;

 namespace ert {

@@ -120,6 +123,7 @@ ERTAppView::ERTAppView(NavigationView& nav)
        &field_lna,
        &field_vga,
        &rssi,
+        &field_volume,
        &recent_entries_view,
    });

@@ -129,11 +133,17 @@ ERTAppView::ERTAppView(NavigationView& nav)

    logger = std::make_unique<ERTLogger>();
    if (logger) {
-        logger->append(LOG_ROOT_DIR "/ERT.TXT");
+        logger->append(logs_dir / u"ERT.TXT");
+    }
+
+    if (pmem::beep_on_packets()) {
+        audio::set_rate(audio::Rate::Hz_24000);
+        audio::output::start();
    }
 }

 ERTAppView::~ERTAppView() {
+    audio::output::stop();
    receiver_model.disable();
    baseband::shutdown();
 }
@@ -157,6 +167,10 @@ void ERTAppView::on_packet(const ert::Packet& packet) {
        entry.update(packet);
        recent_entries_view.set_dirty();
    }
+
+    if (pmem::beep_on_packets()) {
+        baseband::request_audio_beep(1000, 24000, 60);
+    }
 }

 void ERTAppView::on_show_list() {
@@ -164,4 +178,8 @@ void ERTAppView::on_show_list() {
    recent_entries_view.focus();
 }

+void ERTAppView::on_freqchg(int64_t freq) {
+    field_frequency.set_value(freq);
+}
+
 } /* namespace ui */
@@ -165,6 +165,9 @@ class ERTAppView : public View {
        {21 * 8, 0, 6 * 8, 4},
    };

+    AudioVolumeField field_volume{
+        {28 * 8, 0 * 16}};
+
    MessageHandlerRegistration message_handler_packet{
        Message::ID::ERTPacket,
        [this](Message* const p) {
@@ -173,6 +176,14 @@ class ERTAppView : public View {
            this->on_packet(packet);
        }};

+    MessageHandlerRegistration message_handler_freqchg{
+        Message::ID::FreqChangeCommand,
+        [this](Message* const p) {
+            const auto message = static_cast<const FreqChangeCommandMessage*>(p);
+            this->on_freqchg(message->freq);
+        }};
+
+    void on_freqchg(int64_t freq);
    void on_packet(const ert::Packet& packet);
    void on_show_list();
 };
@@ -27,6 +27,7 @@
 #include "portapack_persistent_memory.hpp"
 #include "string_format.hpp"
 #include "utility.hpp"
+#include "file_path.hpp"

 using namespace portapack;
 using namespace pocsag;
@@ -115,7 +116,7 @@ POCSAGAppView::POCSAGAppView(NavigationView& nav)
                                    : FILTER_DROP;
    }

-    logger.append(LOG_ROOT_DIR "/POCSAG.TXT");
+    logger.append(logs_dir / u"POCSAG.TXT");

    field_squelch.set_value(receiver_model.squelch_level());
    field_squelch.on_change = [this](int32_t v) {
@@ -135,6 +136,10 @@ POCSAGAppView::POCSAGAppView(NavigationView& nav)
    };

    refresh_ui();
+
+    if (pmem::beep_on_packets())
+        audio::set_rate(audio::Rate::Hz_24000);
+
    audio::output::start();
    receiver_model.enable();
    baseband::set_pocsag();
@@ -158,8 +163,8 @@ void POCSAGAppView::refresh_ui() {
    // Set console font style.
    console.set_style(
        settings_.enable_small_font
-            ? &Styles::white_small
-            : &Styles::white);
+            ? Theme::getInstance()->bg_darkest_small
+            : Theme::getInstance()->bg_darkest);

    // Update filter button text.
    std::string btn_text = "Filter Last";
@@ -255,19 +260,19 @@ void POCSAGAppView::handle_decoded(Timestamp timestamp, const std::string& prefi

 static Color get_status_color(const POCSAGState& state) {
    if (state.out_type == IDLE)
-        return Color::white();
+        return Theme::getInstance()->bg_darkest->foreground;

    switch (state.mode) {
        case STATE_CLEAR:
-            return Color::cyan();
+            return Theme::getInstance()->fg_cyan->foreground;
        case STATE_HAVE_ADDRESS:
-            return Color::yellow();
+            return Theme::getInstance()->fg_yellow->foreground;
        case STATE_GETTING_MSG:
-            return Color::green();
+            return Theme::getInstance()->fg_green->foreground;
    }

    // Shouldn't get here...
-    return Color::red();
+    return Theme::getInstance()->fg_red->foreground;
 }

 void POCSAGAppView::on_packet(const POCSAGPacketMessage* message) {
@@ -289,7 +294,7 @@ void POCSAGAppView::on_packet(const POCSAGPacketMessage* message) {
        last_address = 0;
    } else {
        // Set color before to be able to see if decode gets stuck.
-        image_status.set_foreground(Color::magenta());
+        image_status.set_foreground(Theme::getInstance()->fg_magenta->foreground);
        pocsag_state.codeword_index = 0;
        pocsag_state.errors = 0;

@@ -303,6 +308,10 @@ void POCSAGAppView::on_packet(const POCSAGPacketMessage* message) {

    // Set status icon color to indicate state machine state.
    image_status.set_foreground(get_status_color(pocsag_state));
+
+    if (pmem::beep_on_packets()) {
+        baseband::request_audio_beep(1000, 24000, 60);
+    }
 }

 void POCSAGAppView::on_stats(const POCSAGStatsMessage* stats) {
@@ -312,6 +321,10 @@ void POCSAGAppView::on_stats(const POCSAGStatsMessage* stats) {
    widget_frames.set_sync(stats->has_sync);
 }

+void POCSAGAppView::on_freqchg(int64_t freq) {
+    field_frequency.set_value(freq);
+}
+
 void BaudIndicator::paint(Painter& painter) {
    auto p = screen_pos();
    char top = '-';
@@ -323,8 +336,8 @@ void BaudIndicator::paint(Painter& painter) {
        bot = (r % 10) + '0';
    }

-    painter.draw_char(p, Styles::white_small, top);
-    painter.draw_char({p.x(), p.y() + 8}, Styles::white_small, bot);
+    painter.draw_char(p, *Theme::getInstance()->bg_darkest_small, top);
+    painter.draw_char({p.x(), p.y() + 8}, *Theme::getInstance()->bg_darkest_small, bot);
 }

 void BitsIndicator::paint(Painter&) {
@@ -334,17 +347,17 @@ void BitsIndicator::paint(Painter&) {

        int x = p.x() + (i / height);
        int y = p.y() + (i % height);
-        display.draw_pixel({x, y}, is_set ? Color::white() : Color::black());
+        display.draw_pixel({x, y}, is_set ? Theme::getInstance()->bg_darkest->foreground : Theme::getInstance()->bg_darkest->background);
    }
 }

 void FrameIndicator::paint(Painter& painter) {
    auto p = screen_pos();
-    painter.draw_rectangle({p, {2, height}}, has_sync_ ? Color::green() : Color::grey());
+    painter.draw_rectangle({p, {2, height}}, has_sync_ ? Theme::getInstance()->fg_green->foreground : Theme::getInstance()->bg_medium->background);

    for (size_t i = 0; i < height; ++i) {
        auto p2 = p + Point{2, 15 - (int)i};
-        painter.draw_hline(p2, 2, i < frame_count_ ? Color::white() : Color::black());
+        painter.draw_hline(p2, 2, i < frame_count_ ? Theme::getInstance()->bg_darkest->foreground : Theme::getInstance()->bg_darkest->background);
    }
 }

@@ -27,7 +27,6 @@
 #include "ui_freq_field.hpp"
 #include "ui_receiver.hpp"
 #include "ui_rssi.hpp"
-#include "ui_styles.hpp"

 #include "app_settings.hpp"
 #include "log_file.hpp"
@@ -39,7 +38,7 @@

 class POCSAGLogger {
   public:
-    Optional<File::Error> append(const std::string& filename) {
+    Optional<File::Error> append(const std::filesystem::path& filename) {
        return log_file.append(filename);
    }

@@ -141,8 +140,8 @@ class POCSAGSettingsView : public View {
    POCSAGSettings& settings_;

    Labels labels{
-        {{2 * 8, 12 * 16}, "Filter Mode:", Color::light_grey()},
-        {{2 * 8, 13 * 16}, "Filter Addr:", Color::light_grey()},
+        {{2 * 8, 12 * 16}, "Filter Mode:", Theme::getInstance()->fg_light->foreground},
+        {{2 * 8, 13 * 16}, "Filter Addr:", Theme::getInstance()->fg_light->foreground},
    };

    Checkbox check_log{
@@ -265,8 +264,8 @@ class POCSAGAppView : public View {
    Image image_status{
        {0 * 8 + 4, 1 * 16 + 2, 16, 16},
        &bitmap_icon_pocsag,
-        Color::white(),
-        Color::black()};
+        Theme::getInstance()->bg_darkest->foreground,
+        Theme::getInstance()->bg_darkest->background};

    Text text_packet_count{
        {3 * 8, 1 * 16 + 2, 5 * 8, 16},
@@ -293,6 +292,15 @@ class POCSAGAppView : public View {
    Console console{
        {0, 2 * 16 + 6, screen_width, screen_height - 54}};

+    void on_freqchg(int64_t freq);
+
+    MessageHandlerRegistration message_handler_freqchg{
+        Message::ID::FreqChangeCommand,
+        [this](Message* const p) {
+            const auto message = static_cast<const FreqChangeCommandMessage*>(p);
+            this->on_freqchg(message->freq);
+        }};
+
    MessageHandlerRegistration message_handler_packet{
        Message::ID::POCSAGPacket,
        [this](Message* const p) {
@@ -44,7 +44,7 @@ void ReplayAppView::set_ready() {
 }

 void ReplayAppView::on_file_changed(const fs::path& new_file_path) {
-    file_path = fs::path(u"/") + new_file_path;
+    file_path = new_file_path;
    File::Size file_size{};

    {  // Get the size of the data file.
@@ -112,8 +112,8 @@ class ReplayAppView : public View {
    ImageButton button_play{
        {28 * 8, 2 * 16, 2 * 8, 1 * 16},
        &bitmap_play,
-        Color::green(),
-        Color::black()};
+        Theme::getInstance()->fg_green->foreground,
+        Theme::getInstance()->fg_green->background};

    spectrum::WaterfallView waterfall{};

@@ -28,6 +28,7 @@
 #include "tonesets.hpp"
 #include "ui_tone_key.hpp"
 #include "audio.hpp"
+#include "file_path.hpp"

 using namespace tonekey;
 using namespace portapack;
@@ -164,7 +165,7 @@ void SoundBoardView::refresh_list() {

    // List directories and files, put directories up top
    uint32_t count = 0;
-    for (const auto& entry : std::filesystem::directory_iterator(u"WAV", u"*")) {
+    for (const auto& entry : std::filesystem::directory_iterator(wav_dir, u"*")) {
        if (std::filesystem::is_regular_file(entry.status())) {
            if (entry.path().string().length()) {
                auto entry_extension = entry.path().extension().string();
@@ -173,7 +174,7 @@ void SoundBoardView::refresh_list() {
                    c = toupper(c);

                if (entry_extension == ".WAV") {
-                    if (reader->open(u"/WAV/" + entry.path().native())) {
+                    if (reader->open(wav_dir / entry.path())) {
                        if ((reader->channels() == 1) && ((reader->bits_per_sample() == 8) || (reader->bits_per_sample() == 16))) {
                            // sounds[c].ms_duration = reader->ms_duration();
                            // sounds[c].path = u"WAV/" + entry.path().native();
@@ -213,7 +214,7 @@ void SoundBoardView::refresh_list() {

        for (size_t n = 0; n < file_list.size(); n++) {
            menu_view.add_item({file_list[n].string().substr(0, 30),
-                                ui::Color::dark_magenta(),
+                                ui::Theme::getInstance()->fg_magenta->foreground,
                                nullptr,
                                [this](KeyEvent) {
                                    on_select_entry();
@@ -92,8 +92,8 @@ class SoundBoardView : public View {
    void on_select_entry();

    Labels labels{
-        {{24 * 8, 180}, "Vol:", Color::light_grey()},
-        {{0, 180}, "Key:", Color::light_grey()}};
+        {{24 * 8, 180}, "Vol:", Theme::getInstance()->fg_light->foreground},
+        {{0, 180}, "Key:", Theme::getInstance()->fg_light->foreground}};

    Button button_next_page{
        {30 * 7, 25 * 8, 10 * 3, 2 * 14},
@@ -71,7 +71,7 @@ void CreditsWidget::new_row(
 void CreditsWidget::clear() {
    display.fill_rectangle(
        screen_rect(),
-        Color::black());
+        Theme::getInstance()->bg_darkest->background);
 }

 void AboutView::update() {
@@ -109,7 +109,7 @@ void AboutView::update() {
            const size_t start = (glyph.size().width() / 8) * render_line;
            for (Dim c = 0; c < glyph.size().width(); c++) {
                const auto pixel = glyph.pixels()[start + (c >> 3)] & (1U << (c & 0x7));
-                pixel_row[start_pos + i + c] = pixel ? Color::white() : Color::black();
+                pixel_row[start_pos + i + c] = pixel ? Theme::getInstance()->bg_darkest->foreground : Theme::getInstance()->bg_darkest->background;
            }

            const auto advance = glyph.advance();
@@ -1,83 +1,88 @@
-#include "ui_about_simple.hpp"
-
-namespace ui {
-AboutView::AboutView(NavigationView& nav) {
-    add_children({&console, &button_ok});
-
-    button_ok.on_select = [&nav](Button&) {
-        nav.pop();
-    };
-
-    console.writeln(STR_COLOR_LIGHT_GREY "List of contributors:");
-    console.writeln("");
-}
-
-void AboutView::update() {
-    if (++timer > 200) {
-        timer = 0;
-
-        switch (++frame) {
-            case 1:
-                // TODO: Generate this automatically from github
-                // https://github.com/portapack-mayhem/mayhem-firmware/graphs/contributors?to=2022-01-01&from=2020-04-12&type=c
-                console.writeln(STR_COLOR_DARK_YELLOW "Mayhem:");
-                console.writeln("eried,euquiq,gregoryfenton");
-                console.writeln("johnelder,jwetzell,nnemanjan00");
-                console.writeln("N0vaPixel,klockee,GullCode");
-                console.writeln("jamesshao8,ITAxReal,rascafr");
-                console.writeln("mcules,dqs105,strijar");
-                console.writeln("zhang00963,RedFox-Fr,aldude999");
-                console.writeln("East2West,fossum,ArjanOnwezen");
-                console.writeln("vXxOinvizioNxX,teixeluis");
-                console.writeln("Brumi-2021,texasyojimbo");
-                console.writeln("heurist1,intoxsick,ckuethe");
-                console.writeln("notpike,jLynx,zigad");
-                console.writeln("MichalLeonBorsuk,jimilinuxguy");
-                console.writeln("kallanreed,bernd-herzog");
-                break;
-            case 2:
-                console.writeln("NotherNgineer,zxkmm,u-foka");
-                console.writeln("Netro,HTotoo");
-                console.writeln("");
-                break;
-
-            case 3:
-                // https://github.com/portapack-mayhem/mayhem-firmware/graphs/contributors?to=2020-04-12&from=2015-07-31&type=c
-                console.writeln(STR_COLOR_DARK_YELLOW "Havoc:");
-                console.writeln("furrtek,mrmookie,NotPike");
-                console.writeln("mjwaxios,ImDroided,Giorgiofox");
-                console.writeln("F4GEV,z4ziggy,xmycroftx");
-                console.writeln("troussos,silascutler");
-                console.writeln("nickbouwhuis,msoose,leres");
-                console.writeln("joakar,dhoetger,clem-42");
-                console.writeln("brianlechthaler,ZeroChaos-...");
-                console.writeln("");
-                break;
-
-            case 4:
-                // https://github.com/portapack-mayhem/mayhem-firmware/graphs/contributors?from=2014-07-05&to=2015-07-31&type=c
-                console.writeln(STR_COLOR_DARK_YELLOW "PortaPack:");
-                console.writeln("jboone,argilo");
-                console.writeln("");
-                break;
-
-            case 5:
-                // https://github.com/mossmann/hackrf/graphs/contributors
-                console.writeln(STR_COLOR_DARK_YELLOW "HackRF:");
-                console.writeln("mossmann,dominicgs,bvernoux");
-                console.writeln("bgamari,schneider42,miek");
-                console.writeln("willcode,hessu,Sec42");
-                console.writeln("yhetti,ckuethe,smunaut");
-                console.writeln("wishi,mrbubble62,scateu...");
-                console.writeln("");
-                frame = 0;  // Loop
-                break;
-        }
-    }
-}
-
-void AboutView::focus() {
-    button_ok.focus();
-}
-
-} /* namespace ui */
+#include "ui_about_simple.hpp"
+
+namespace ui {
+
+// TODO: Generate this automatically from github
+// Information: a line starting with a '#' will be yellow coloured
+const std::string authors_list[] = {
+    "#   * List of contributors *  ",
+    " ",
+    "#Mayhem:",
+    "eried,euquiq,gregoryfenton",
+    "johnelder,jwetzell,nnemanjan00",
+    "N0vaPixel,klockee,gullradriel",
+    "jamesshao8,ITAxReal,rascafr",
+    "mcules,dqs105,strijar",
+    "zhang00963,RedFox-Fr,aldude999",
+    "East2West,fossum,ArjanOnwezen",
+    "vXxOinvizioNxX,teixeluis",
+    "Brumi-2021,texasyojimbo",
+    "heurist1,intoxsick,ckuethe",
+    "notpike,jLynx,zigad",
+    "MichalLeonBorsuk,jimilinuxguy",
+    "kallanreed,bernd-herzog",
+    "NotherNgineer,zxkmm,u-foka",
+    "Netro,HTotoo",
+    " ",
+    "#Havoc:",
+    "furrtek,mrmookie,NotPike",
+    "mjwaxios,ImDroided,Giorgiofox",
+    "F4GEV,z4ziggy,xmycroftx",
+    "troussos,silascutler",
+    "nickbouwhuis,msoose,leres",
+    "joakar,dhoetger,clem-42",
+    "brianlechthaler,ZeroChaos-...",
+    " ",
+    "#PortaPack:",
+    "jboone,argilo",
+    " ",
+    "#HackRF:",
+    "mossmann,dominicgs,bvernoux",
+    "bgamari,schneider42,miek",
+    "willcode,hessu,Sec42",
+    "yhetti,ckuethe,smunaut",
+    "wishi,mrbubble62,scateu..."};
+
+AboutView::AboutView(NavigationView& nav) {
+    add_children({&menu_view,
+                  &button_ok});
+
+    button_ok.on_select = [&nav](Button&) {
+        nav.pop();
+    };
+
+    menu_view.on_left = [this]() {
+        button_ok.focus();
+    };
+
+    menu_view.on_right = [this]() {
+        button_ok.focus();
+    };
+
+    for (const std::string& authors_line : authors_list) {
+        // if it's starting with #, it's a title and we have to substract the '#' and paint yellow
+        if (authors_line.size() > 0) {
+            if (authors_line[0] == '#') {
+                menu_view.add_item(
+                    {authors_line.substr(1, authors_line.size() - 1),
+                     ui::Theme::getInstance()->fg_yellow->foreground,
+                     nullptr,
+                     nullptr});
+            } else {
+                menu_view.add_item(
+                    {authors_line,
+                     Theme::getInstance()->bg_darkest->foreground,
+                     nullptr,
+                     nullptr});
+            }
+        }
+    }
+}
+
+void AboutView::focus() {
+    menu_view.focus();
+    // put focus on last text line to make it more obvious that list is scrollable
+    menu_view.set_highlighted(10);
+}
+
+} /* namespace ui */
@@ -12,25 +12,16 @@ class AboutView : public View {
    AboutView(NavigationView& nav);
    void focus() override;
    std::string title() const override { return "About"; };
-    int32_t timer{180};
-    short frame{0};

   private:
-    void update();
-
-    Console console{
-        {0, 10, 240, 240}};
+    MenuView menu_view{
+        {0, 0, 240, 264},
+        true};

    Button button_ok{
        {240 / 3, 270, 240 / 3, 24},
        "OK",
    };
-
-    MessageHandlerRegistration message_handler_update{
-        Message::ID::DisplayFrameSync,
-        [this](const Message* const) {
-            this->update();
-        }};
 };
 }  // namespace ui

@@ -31,9 +31,13 @@
 #include "portapack_persistent_memory.hpp"
 #include "rtc_time.hpp"
 #include "string_format.hpp"
+#include "file_path.hpp"
+#include "audio.hpp"

 using namespace portapack;

+namespace pmem = portapack::persistent_memory;
+
 namespace ui {

 static std::string get_map_tag(const AircraftRecentEntry& entry) {
@@ -53,15 +57,15 @@ void RecentEntriesTable<AircraftRecentEntries>::draw(
        case ADSBAgeState::Invalid:
        case ADSBAgeState::Current:
            entry_string = "";
-            target_color = Color::green();
+            target_color = Theme::getInstance()->fg_green->foreground;
            break;
        case ADSBAgeState::Recent:
            entry_string = STR_COLOR_LIGHT_GREY;
-            target_color = Color::light_grey();
+            target_color = Theme::getInstance()->fg_light->foreground;
            break;
        default:
            entry_string = STR_COLOR_DARK_GREY;
-            target_color = Color::grey();
+            target_color = Theme::getInstance()->fg_medium->foreground;
    };

    entry_string +=
@@ -103,7 +107,8 @@ void ADSBLogger::log(const ADSBLogEntry& log_entry) {
        log_line += " Type:" + to_string_dec_uint(log_entry.vel_type) +
                    " Hdg:" + to_string_dec_uint(log_entry.vel.heading) +
                    " Spd: " + to_string_dec_int(log_entry.vel.speed);
-
+    if (log_entry.sil != 0)
+        log_line += " Sil:" + to_string_dec_uint(log_entry.sil);
    log_file.write_entry(log_line);
 }

@@ -350,11 +355,12 @@ void ADSBRxDetailsView::refresh_ui() {

    text_callsign.set(entry_.callsign);
    text_infos.set(entry_.info_string);
+    std::string str_sil = (entry_.sil > 0) ? " Sil:" + to_string_dec_uint(entry_.sil) : "";
    if (entry_.velo.heading < 360 && entry_.velo.speed >= 0)
        text_info2.set("Hdg:" + to_string_dec_uint(entry_.velo.heading) +
-                       " Spd:" + to_string_dec_int(entry_.velo.speed));
+                       " Spd:" + to_string_dec_int(entry_.velo.speed) + str_sil);
    else
-        text_info2.set("");
+        text_info2.set(str_sil);

    text_frame_pos_even.set(to_string_hex_array(entry_.frame_pos_even.get_raw_data(), 14));
    text_frame_pos_odd.set(to_string_hex_array(entry_.frame_pos_odd.get_raw_data(), 14));
@@ -372,7 +378,8 @@ ADSBRxView::ADSBRxView(NavigationView& nav) {
         &rssi,
         &recent_entries_view,
         &status_frame,
-         &status_good_frame});
+         &status_good_frame,
+         &field_volume});

    recent_entries_view.set_parent_rect({0, 16, 240, 272});
    recent_entries_view.on_select = [this, &nav](const AircraftRecentEntry& entry) {
@@ -390,14 +397,20 @@ ADSBRxView::ADSBRxView(NavigationView& nav) {
    };

    logger = std::make_unique<ADSBLogger>();
-    logger->append(LOG_ROOT_DIR "/ADSB.TXT");
+    logger->append(logs_dir / u"ADSB.TXT");

    receiver_model.enable();
    baseband::set_adsb();
+
+    if (pmem::beep_on_packets()) {
+        audio::set_rate(audio::Rate::Hz_24000);
+        audio::output::start();
+    }
 }

 ADSBRxView::~ADSBRxView() {
    rtc_time::signal_tick_second -= signal_token_tick_second;
+    audio::output::stop();
    receiver_model.disable();
    baseband::shutdown();
 }
@@ -460,7 +473,6 @@ void ADSBRxView::on_frame(const ADSBFrameMessage* message) {
                    "Alt:" + to_string_dec_int(entry.pos.altitude) +
                    " Lat:" + to_string_decimal(entry.pos.latitude, 2) +
                    " Lon:" + to_string_decimal(entry.pos.longitude, 2);
-
                entry.set_info_string(std::move(str_info));
            }

@@ -468,10 +480,16 @@ void ADSBRxView::on_frame(const ADSBFrameMessage* message) {
            entry.set_frame_velo(frame);
            log_entry.vel = entry.velo;
            log_entry.vel_type = msg_sub;
+        } else if (msg_type == AIRBORNE_OP_STATUS) {  // for ver 1
+            entry.sil = frame.get_sil_value();
        }
    }

    logger->log(log_entry);
+
+    if (pmem::beep_on_packets()) {
+        baseband::request_audio_beep(1000, 24000, 60);
+    }
 }

 void ADSBRxView::on_tick_second() {
@@ -54,6 +54,8 @@ namespace ui {
 #define AIRBORNE_POS_GPS_L 20  // airborne position (lowest type id)
 #define AIRBORNE_POS_GPS_H 22  // airborne position (highest type id)

+#define AIRBORNE_OP_STATUS 31  // Aircraft operation status
+
 #define RESERVED_L 23  // reserved for other uses
 #define RESERVED_H 31  // reserved for other uses

@@ -102,6 +104,8 @@ struct AircraftRecentEntry {
    std::string callsign{};
    std::string info_string{};

+    uint8_t sil{0};  // Surveillance integrity level
+
    AircraftRecentEntry(const uint32_t ICAO_address)
        : ICAO_address{ICAO_address} {
        this->icao_str = to_string_hex(ICAO_address, 6);
@@ -173,6 +177,7 @@ struct ADSBLogEntry {
    adsb_pos pos{};
    adsb_vel vel{};
    uint8_t vel_type{};
+    uint8_t sil{};
 };

 // TODO: Make logging optional.
@@ -200,15 +205,15 @@ class ADSBRxAircraftDetailsView : public View {

   private:
    Labels labels{
-        {{0 * 8, 1 * 16}, "ICAO:", Color::light_grey()},
-        {{0 * 8, 2 * 16}, "Registration:", Color::light_grey()},
-        {{0 * 8, 3 * 16}, "Manufacturer:", Color::light_grey()},
-        {{0 * 8, 5 * 16}, "Model:", Color::light_grey()},
-        {{0 * 8, 7 * 16}, "Type:", Color::light_grey()},
-        {{0 * 8, 8 * 16}, "Number of engines:", Color::light_grey()},
-        {{0 * 8, 9 * 16}, "Engine type:", Color::light_grey()},
-        {{0 * 8, 11 * 16}, "Owner:", Color::light_grey()},
-        {{0 * 8, 13 * 16}, "Operator:", Color::light_grey()}};
+        {{0 * 8, 1 * 16}, "ICAO:", Theme::getInstance()->fg_light->foreground},
+        {{0 * 8, 2 * 16}, "Registration:", Theme::getInstance()->fg_light->foreground},
+        {{0 * 8, 3 * 16}, "Manufacturer:", Theme::getInstance()->fg_light->foreground},
+        {{0 * 8, 5 * 16}, "Model:", Theme::getInstance()->fg_light->foreground},
+        {{0 * 8, 7 * 16}, "Type:", Theme::getInstance()->fg_light->foreground},
+        {{0 * 8, 8 * 16}, "Number of engines:", Theme::getInstance()->fg_light->foreground},
+        {{0 * 8, 9 * 16}, "Engine type:", Theme::getInstance()->fg_light->foreground},
+        {{0 * 8, 11 * 16}, "Owner:", Theme::getInstance()->fg_light->foreground},
+        {{0 * 8, 13 * 16}, "Operator:", Theme::getInstance()->fg_light->foreground}};

    Text text_icao_address{
        {5 * 8, 1 * 16, 6 * 8, 16},
@@ -284,13 +289,13 @@ class ADSBRxDetailsView : public View {
    bool airline_checked{false};

    Labels labels{
-        {{0 * 8, 1 * 16}, "ICAO:", Color::light_grey()},
-        {{13 * 8, 1 * 16}, "Callsign:", Color::light_grey()},
-        {{0 * 8, 2 * 16}, "Last seen:", Color::light_grey()},
-        {{0 * 8, 3 * 16}, "Airline:", Color::light_grey()},
-        {{0 * 8, 5 * 16}, "Country:", Color::light_grey()},
-        {{0 * 8, 13 * 16}, "Even position frame:", Color::light_grey()},
-        {{0 * 8, 15 * 16}, "Odd position frame:", Color::light_grey()}};
+        {{0 * 8, 1 * 16}, "ICAO:", Theme::getInstance()->fg_light->foreground},
+        {{13 * 8, 1 * 16}, "Callsign:", Theme::getInstance()->fg_light->foreground},
+        {{0 * 8, 2 * 16}, "Last seen:", Theme::getInstance()->fg_light->foreground},
+        {{0 * 8, 3 * 16}, "Airline:", Theme::getInstance()->fg_light->foreground},
+        {{0 * 8, 5 * 16}, "Country:", Theme::getInstance()->fg_light->foreground},
+        {{0 * 8, 13 * 16}, "Even position frame:", Theme::getInstance()->fg_light->foreground},
+        {{0 * 8, 15 * 16}, "Odd position frame:", Theme::getInstance()->fg_light->foreground}};

    Text text_icao_address{
        {5 * 8, 1 * 16, 6 * 8, 16},
@@ -409,7 +414,7 @@ class ADSBRxView : public View {
    ADSBRxDetailsView* details_view{nullptr};

    Labels labels{
-        {{0 * 8, 0 * 8}, "LNA:   VGA:   AMP:", Color::light_grey()}};
+        {{0 * 8, 0 * 8}, "LNA:   VGA:   AMP:", Theme::getInstance()->fg_light->foreground}};

    LNAGainField field_lna{
        {4 * 8, 0 * 16}};
@@ -421,19 +426,22 @@ class ADSBRxView : public View {
        {18 * 8, 0 * 16}};

    RSSI rssi{
-        {20 * 8, 4, 10 * 7, 8},
+        {20 * 8, 4, 7 * 8, 8},
    };

    ActivityDot status_frame{
-        {screen_width - 3, 5, 2, 2},
-        Color::white(),
+        {27 * 8 + 2, 5, 2, 2},
+        Theme::getInstance()->bg_darkest->foreground,
    };

    ActivityDot status_good_frame{
-        {screen_width - 3, 9, 2, 2},
-        Color::green(),
+        {27 * 8 + 2, 9, 2, 2},
+        Theme::getInstance()->fg_green->foreground,
    };

+    AudioVolumeField field_volume{
+        {28 * 8, 0 * 16}};
+
    MessageHandlerRegistration message_handler_frame{
        Message::ID::ADSBFrame,
        [this](Message* const p) {
@@ -27,6 +27,7 @@
 #include "baseband_api.hpp"
 #include "string_format.hpp"
 #include "portapack_persistent_memory.hpp"
+#include "file_path.hpp"

 using namespace portapack;

@@ -45,7 +46,7 @@ void RecentEntriesTable<APRSRecentEntries>::draw(
    Color target_color;
    // auto entry_age = entry.age;

-    target_color = Color::green();
+    target_color = Theme::getInstance()->fg_green->foreground;

    std::string entry_string = "";

@@ -111,7 +112,7 @@ APRSRxView::APRSRxView(NavigationView& nav, Rect parent_rect)

    logger = std::make_unique<APRSLogger>();
    if (logger)
-        logger->append(LOG_ROOT_DIR "/APRS.TXT");
+        logger->append(logs_dir / u"APRS.TXT");

    baseband::set_aprs(1200);

@@ -121,6 +122,10 @@ APRSRxView::APRSRxView(NavigationView& nav, Rect parent_rect)
    receiver_model.enable();
 }

+void APRSRxView::on_freqchg(int64_t freq) {
+    field_frequency.set_value(freq);
+}
+
 void APRSRxView::on_packet(const APRSPacketMessage* message) {
    std::string str_console = "\x1B";

@@ -36,10 +36,11 @@

 #include "log_file.hpp"
 #include "utility.hpp"
+#include "file_path.hpp"

 class APRSLogger {
   public:
-    Optional<File::Error> append(const std::string& filename) {
+    Optional<File::Error> append(const std::filesystem::path& filename) {
        return log_file.append(filename);
    }

@@ -184,6 +185,7 @@ class APRSRxView : public View {

    std::string title() const override { return "APRS RX"; };
    void on_packet(const APRSPacketMessage* message);
+    void on_freqchg(int64_t freq);

   private:
    void on_data(uint32_t value, bool is_data);
@@ -232,7 +234,7 @@ class APRSRxView : public View {
    RecordView record_view{
        {0 * 8, 1 * 16, 30 * 8, 1 * 16},
        u"AFS_????.WAV",
-        u"APRS",
+        aprs_dir,
        RecordView::FileType::WAV,
        4096,
        4};
@@ -260,8 +262,8 @@ class APRSRXView : public View {
    APRSTableView view_table{nav_, view_rect};

    TabView tab_view{
-        {"Stream", Color::cyan(), &view_stream},
-        {"List", Color::yellow(), &view_table}};
+        {"Stream", Theme::getInstance()->fg_cyan->foreground, &view_stream},
+        {"List", Theme::getInstance()->fg_yellow->foreground, &view_table}};

    MessageHandlerRegistration message_handler_packet{
        Message::ID::APRSPacket,
@@ -270,6 +272,13 @@ class APRSRXView : public View {
            this->view_stream.on_packet(message);
            this->view_table.on_pkt(message);
        }};
+
+    MessageHandlerRegistration message_handler_freqchg{
+        Message::ID::FreqChangeCommand,
+        [this](Message* const p) {
+            const auto message = static_cast<const FreqChangeCommandMessage*>(p);
+            this->view_stream.on_freqchg(message->freq);
+        }};
 };

 } /* namespace ui */
@@ -61,9 +61,9 @@ class APRSTXView : public View {
    void on_tx_progress(const uint32_t progress, const bool done);

    Labels labels{
-        {{0 * 8, 1 * 16}, "Source:       SSID:", Color::light_grey()},  // 6 alphanum + SSID
-        {{0 * 8, 2 * 16}, " Dest.:       SSID:", Color::light_grey()},
-        {{0 * 8, 4 * 16}, "Info field:", Color::light_grey()},
+        {{0 * 8, 1 * 16}, "Source:       SSID:", Theme::getInstance()->fg_light->foreground},  // 6 alphanum + SSID
+        {{0 * 8, 2 * 16}, " Dest.:       SSID:", Theme::getInstance()->fg_light->foreground},
+        {{0 * 8, 4 * 16}, "Info field:", Theme::getInstance()->fg_light->foreground},
    };

    SymField sym_source{
@@ -0,0 +1,188 @@
+/*
+ * Copyright (C) 2015 Jared Boone, ShareBrained Technology, Inc.
+ * Copyright (C) 2016 Furrtek
+ *
+ * This file is part of PortaPack.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2, or (at your option)
+ * any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; see the file COPYING.  If not, write to
+ * the Free Software Foundation, Inc., 51 Franklin Street,
+ * Boston, MA 02110-1301, USA.
+ */
+
+#include "ui_battinfo.hpp"
+
+#include "event_m0.hpp"
+#include "portapack.hpp"
+#include "battery.hpp"
+#include <cstring>
+
+using namespace portapack;
+
+namespace ui {
+
+void BattinfoView::focus() {
+    button_exit.focus();
+}
+
+// called each 1/60th of second, so 6 = 100ms
+void BattinfoView::on_timer() {
+    if (++timer_counter == timer_period) {
+        timer_counter = 0;
+        update_result();
+    }
+}
+
+void BattinfoView::update_result() {
+    if (!battery::BatteryManagement::isDetected()) {
+        text_percent.set("UNKNOWN");
+        text_voltage.set("UNKNOWN");
+        text_current.set("-");
+        text_charge.set("-");
+        text_cycles.set("-");
+        text_ttef.set("-");
+        text_method.set("-");
+        text_warn.set("");
+        return;
+    }
+    bool uichg = false;
+    uint8_t valid_mask = 0;
+    battery::BatteryManagement::getBatteryInfo(valid_mask, percent, voltage, current);
+    // update text fields
+    if (percent <= 100 && (valid_mask & battery::BatteryManagement::BATT_VALID_VOLTAGE) == battery::BatteryManagement::BATT_VALID_VOLTAGE)
+        text_percent.set(to_string_dec_uint(percent) + " %");
+    else
+        text_percent.set("UNKNOWN");
+    if (voltage > 1 && (valid_mask & battery::BatteryManagement::BATT_VALID_VOLTAGE) == battery::BatteryManagement::BATT_VALID_VOLTAGE) {
+        text_voltage.set(to_string_decimal(voltage / 1000.0, 3) + " V");
+    } else {
+        text_voltage.set("UNKNOWN");
+    }
+    if ((valid_mask & battery::BatteryManagement::BATT_VALID_CURRENT) == battery::BatteryManagement::BATT_VALID_CURRENT) {
+        if (labels_opt.hidden()) uichg = true;
+        labels_opt.hidden(false);
+        text_current.hidden(false);
+        text_charge.hidden(false);
+        text_current.set(to_string_dec_int(current) + " mA");
+        text_charge.set(current >= 0 ? "Charging" : "Discharging");
+        labels_opt.hidden(false);
+
+        text_ttef.hidden(false);
+    } else {
+        if (!labels_opt.hidden()) uichg = true;
+        labels_opt.hidden(true);
+        text_current.hidden(true);
+        text_charge.hidden(true);
+        text_cycles.hidden(true);
+        text_ttef.hidden(true);
+        text_warn.set("");
+    }
+    if ((valid_mask & battery::BatteryManagement::BATT_VALID_CYCLES) == battery::BatteryManagement::BATT_VALID_CYCLES) {
+        text_cycles.hidden(false);
+        uint16_t cycles = battery::BatteryManagement::get_cycles();
+        if (cycles < 2)
+            text_warn.set("SoC improves after 2 cycles");
+        else
+            text_warn.set("");
+        text_cycles.set(to_string_dec_uint(cycles));
+    } else {
+        text_cycles.hidden(true);
+        text_warn.set("");
+    }
+    if ((valid_mask & battery::BatteryManagement::BATT_VALID_TTEF) == battery::BatteryManagement::BATT_VALID_TTEF) {
+        text_ttef.hidden(false);
+        float ttef = 0;
+        if (current <= 0) {
+            ttef = battery::BatteryManagement::get_tte();
+        } else {
+            ttef = battery::BatteryManagement::get_ttf();
+        }
+
+        // Convert ttef to hours and minutes
+        uint8_t hours = static_cast<uint8_t>(ttef);
+        uint8_t minutes = static_cast<uint8_t>((ttef - hours) * 60 + 0.5);  // +0.5 for rounding
+
+        // Create the formatted string
+        std::string formatted_time;
+        if (hours > 0) {
+            formatted_time += to_string_dec_uint(hours) + "h ";
+        }
+        formatted_time += to_string_dec_uint(minutes) + "m";
+
+        text_ttef.set(formatted_time);
+    } else {
+        text_ttef.hidden(true);
+    }
+    if ((valid_mask & battery::BatteryManagement::BATT_VALID_PERCENT) == battery::BatteryManagement::BATT_VALID_PERCENT) {
+        text_method.set("IC");
+        button_mode.set_text("Volt");
+    } else {
+        text_method.set("Voltage");
+        button_mode.set_text("IC");
+    }
+    if (uichg) set_dirty();
+    // to update status bar too, send message in behalf of batt manager
+    BatteryStateMessage msg{valid_mask, percent, current >= 0, voltage};
+    EventDispatcher::send_message(msg);
+}
+
+BattinfoView::BattinfoView(NavigationView& nav)
+    : nav_{nav} {
+    add_children({&labels,
+                  &labels_opt,
+                  &text_percent,
+                  &text_voltage,
+                  &text_current,
+                  &text_charge,
+                  &text_method,
+                  &button_mode,
+                  &button_exit,
+                  &text_cycles,
+                  &text_warn,
+                  &text_ttef});
+
+    button_exit.on_select = [this, &nav](Button&) {
+        nav.pop();
+    };
+    button_mode.on_select = [this, &nav](Button&) {
+        if (button_mode.text() == "IC") {
+            battery::BatteryManagement::set_calc_override(false);
+            persistent_memory::set_ui_override_batt_calc(false);
+            button_mode.set_text("Volt");
+        } else {
+            battery::BatteryManagement::set_calc_override(true);
+            persistent_memory::set_ui_override_batt_calc(true);
+            button_mode.set_text("IC");
+        }
+    };
+    update_result();
+    if (thread == nullptr) thread = chThdCreateFromHeap(NULL, 1024, NORMALPRIO + 10, BattinfoView::static_fn, this);
+}
+
+msg_t BattinfoView::static_fn(void* arg) {
+    auto obj = static_cast<BattinfoView*>(arg);
+    while (!chThdShouldTerminate()) {
+        chThdSleepMilliseconds(16);
+        obj->on_timer();
+    }
+    return 0;
+}
+
+BattinfoView::~BattinfoView() {
+    if (thread) {
+        chThdTerminate(thread);
+        chThdWait(thread);
+        thread = nullptr;
+    }
+}
+}  // namespace ui
@@ -0,0 +1,107 @@
+/*
+ * Copyright (C) 2015 Jared Boone, ShareBrained Technology, Inc.
+ * Copyright (C) 2016 Furrtek
+ *
+ * This file is part of PortaPack.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2, or (at your option)
+ * any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; see the file COPYING.  If not, write to
+ * the Free Software Foundation, Inc., 51 Franklin Street,
+ * Boston, MA 02110-1301, USA.
+ */
+
+#ifndef __UI_BATTINFO_H__
+#define __UI_BATTINFO_H__
+
+#include "ui.hpp"
+#include "ui_widget.hpp"
+#include "ui_navigation.hpp"
+#include "string_format.hpp"
+
+namespace ui {
+class BattinfoView : public View {
+   public:
+    ~BattinfoView();
+    BattinfoView(NavigationView& nav);
+    BattinfoView(const BattinfoView&) = delete;
+    BattinfoView(BattinfoView&&) = delete;
+    BattinfoView& operator=(const BattinfoView&) = delete;
+    BattinfoView& operator=(BattinfoView&&) = delete;
+
+    void focus() override;
+    std::string title() const override { return "Battery"; };
+
+   private:
+    void update_result();
+    void on_timer();
+    NavigationView& nav_;
+    uint16_t timer_period = 60;
+    uint16_t timer_counter = 0;
+    uint8_t percent = 0;
+    uint16_t voltage = 0;
+    int32_t current = 0;
+
+    Labels labels{
+        {{2 * 8, 1 * 16}, "Percent:", Theme::getInstance()->fg_light->foreground},
+        {{2 * 8, 2 * 16}, "Voltage:", Theme::getInstance()->fg_light->foreground},
+        {{2 * 8, 3 * 16}, "Method:", Theme::getInstance()->fg_light->foreground},
+    };
+
+    Labels labels_opt{
+        {{2 * 8, 4 * 16}, "Current:", Theme::getInstance()->fg_light->foreground},
+        {{2 * 8, 5 * 16}, "Charge:", Theme::getInstance()->fg_light->foreground},
+        {{2 * 8, 6 * 16}, "TTF/E:", Theme::getInstance()->fg_light->foreground},
+        {{2 * 8, 7 * 16}, "Cycles:", Theme::getInstance()->fg_light->foreground},
+        {{2 * 8, 10 * 16}, "Change method:", Theme::getInstance()->fg_light->foreground},
+    };
+
+    Text text_percent{
+        {13 * 8, 1 * 16, 10 * 16, 16},
+        "-"};
+    Text text_voltage{
+        {13 * 8, 2 * 16, 10 * 16, 16},
+        "-"};
+    Text text_method{
+        {13 * 8, 3 * 16, 10 * 16, 16},
+        "-"};
+    Text text_current{
+        {13 * 8, 4 * 16, 10 * 16, 16},
+        "-"};
+    Text text_charge{
+        {13 * 8, 5 * 16, 10 * 16, 16},
+        "-"};
+    Text text_ttef{
+        {13 * 8, 6 * 16, 10 * 16, 16},
+        "-"};
+    Text text_cycles{
+        {13 * 8, 7 * 16, 10 * 16, 16},
+        "-"};
+
+    Text text_warn{
+        {2 * 8, 8 * 16, 30 * 8, 2 * 16},
+        ""};
+
+    Button button_mode{
+        {2 * 8, 11 * 16 + 5, 5 * 16, 32},
+        "Volt"};
+
+    Button button_exit{
+        {72, 17 * 16, 96, 32},
+        "Back"};
+    static msg_t static_fn(void* arg);
+    Thread* thread{nullptr};
+};
+
+} /* namespace ui */
+
+#endif /*__UI_BATTINFO__*/
@@ -50,12 +50,12 @@ class XylosView : public View {

   private:
    Labels labels{
-        {{8 * 8, 1 * 8}, "Header:", Color::light_grey()},
-        {{4 * 8, 3 * 8}, "City code:", Color::light_grey()},
-        {{7 * 8, 5 * 8}, "Family:", Color::light_grey()},
-        {{2 * 8, 7 * 8 + 2}, "Subfamily:", Color::light_grey()},
-        {{2 * 8, 11 * 8}, "Receiver ID:", Color::light_grey()},
-        {{2 * 8, 14 * 8}, "Relay:", Color::light_grey()}};
+        {{8 * 8, 1 * 8}, "Header:", Theme::getInstance()->fg_light->foreground},
+        {{4 * 8, 3 * 8}, "City code:", Theme::getInstance()->fg_light->foreground},
+        {{7 * 8, 5 * 8}, "Family:", Theme::getInstance()->fg_light->foreground},
+        {{2 * 8, 7 * 8 + 2}, "Subfamily:", Theme::getInstance()->fg_light->foreground},
+        {{2 * 8, 11 * 8}, "Receiver ID:", Theme::getInstance()->fg_light->foreground},
+        {{2 * 8, 14 * 8}, "Relay:", Theme::getInstance()->fg_light->foreground}};

    NumberField field_header_a{
        {16 * 8, 1 * 8},
@@ -130,9 +130,9 @@ class EPARView : public View {

   private:
    Labels labels{
-        {{4 * 8, 1 * 8}, "City code:", Color::light_grey()},
-        {{8 * 8, 3 * 8}, "Group:", Color::light_grey()},
-        {{8 * 8, 7 * 8}, "Relay:", Color::light_grey()}};
+        {{4 * 8, 1 * 8}, "City code:", Theme::getInstance()->fg_light->foreground},
+        {{8 * 8, 3 * 8}, "Group:", Theme::getInstance()->fg_light->foreground},
+        {{8 * 8, 7 * 8}, "Relay:", Theme::getInstance()->fg_light->foreground}};

    NumberField field_city{
        {16 * 8, 1 * 8},
@@ -195,11 +195,11 @@ class BHTView : public View {
    EPARView view_EPAR{view_rect};

    TabView tab_view{
-        {"Xylos", Color::cyan(), &view_xylos},
-        {"EPAR", Color::green(), &view_EPAR}};
+        {"Xylos", Theme::getInstance()->fg_cyan->foreground, &view_xylos},
+        {"EPAR", Theme::getInstance()->fg_green->foreground, &view_EPAR}};

    Labels labels{
-        {{29 * 8, 14 * 16 + 4}, "s", Color::light_grey()}};
+        {{29 * 8, 14 * 16 + 4}, "s", Theme::getInstance()->fg_light->foreground}};

    Checkbox checkbox_scan{
        {1 * 8, 25 * 8},
@@ -0,0 +1,63 @@
+/*
+ * Copyright (C) 2024 HTotoo
+ *
+ * This file is part of PortaPack.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2, or (at your option)
+ * any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; see the file COPYING.  If not, write to
+ * the Free Software Foundation, Inc., 51 Franklin Street,
+ * Boston, MA 02110-1301, USA.
+ */
+
+#include "ui_bmp_file_viewer.hpp"
+
+extern ui::SystemView* system_view_ptr;
+
+using namespace portapack;
+namespace fs = std::filesystem;
+
+namespace ui {
+
+BMPFileViewer::BMPFileViewer(
+    NavigationView& nav,
+    const std::filesystem::path& path)
+    : nav_{nav},
+      path_{path} {
+    add_children(
+        {&bmp});
+    bmp.set_enter_pass(true);  // pass the enter key to me, so i can exit. this will disable zoom + pos reset
+    set_focusable(true);
+    system_view_ptr->set_app_fullscreen(true);
+}
+
+BMPFileViewer::~BMPFileViewer() {
+    system_view_ptr->set_app_fullscreen(false);
+}
+
+void BMPFileViewer::focus() {
+    bmp.focus();
+}
+
+bool BMPFileViewer::on_key(KeyEvent k) {
+    if (k == KeyEvent::Select) {
+        nav_.pop();
+        return true;
+    }
+    return false;
+}
+
+void BMPFileViewer::paint(Painter&) {
+    bmp.load_bmp(path_);
+}
+
+}  // namespace ui
@@ -0,0 +1,50 @@
+/*
+ * Copyright (C) 2024 HTotoo
+ *
+ * This file is part of PortaPack.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2, or (at your option)
+ * any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; see the file COPYING.  If not, write to
+ * the Free Software Foundation, Inc., 51 Franklin Street,
+ * Boston, MA 02110-1301, USA.
+ */
+
+#ifndef __UI_BMP_FILE_VIEWER_H__
+#define __UI_BMP_FILE_VIEWER_H__
+
+#include "ui.hpp"
+#include "ui_navigation.hpp"
+#include "ui_painter.hpp"
+#include "ui_widget.hpp"
+#include "file.hpp"
+#include "ui_bmpview.hpp"
+
+namespace ui {
+
+class BMPFileViewer : public View {
+   public:
+    BMPFileViewer(NavigationView& nav, const std::filesystem::path& path);
+    ~BMPFileViewer();
+    bool on_key(KeyEvent key) override;
+    void paint(Painter& painter) override;
+    void focus() override;
+
+   private:
+    NavigationView& nav_;
+    std::filesystem::path path_{};
+    BMPViewer bmp{{0, 0, 240, 320}};
+};
+
+}  // namespace ui
+
+#endif  // __UI_BMP_FILE_VIEWER_H__
@@ -1,6 +1,7 @@
 /*
 * Copyright (C) 2015 Jared Boone, ShareBrained Technology, Inc.
 * Copyright (C) 2024 Mark Thompson
+ * Copyright (C) 2024 u-foka
 *
 * This file is part of PortaPack.
 *
@@ -33,9 +34,9 @@

 #include "ui_sd_card_debug.hpp"
 #include "ui_font_fixed_8x16.hpp"
-#include "ui_styles.hpp"
 #include "ui_painter.hpp"
 #include "ui_external_items_menu_loader.hpp"
+#include "ui_debug_battery.hpp"

 #include "portapack.hpp"
 #include "portapack_persistent_memory.hpp"
@@ -79,7 +80,7 @@ void TemperatureWidget::paint(Painter& painter) {

    const auto rect = screen_rect();
    const Color color_background{0, 0, 64};
-    const Color color_foreground = Color::green();
+    const Color color_foreground = Theme::getInstance()->fg_green->foreground;
    const Color color_reticle{128, 128, 128};

    const auto graph_width = static_cast<int>(logger.capacity()) * bar_width;
@@ -225,6 +226,8 @@ uint32_t RegistersWidget::reg_read(const uint32_t register_number) {
                return radio::debug::second_if::register_read(register_number);
            case CT_SI5351:
                return portapack::clock_generator.read_register(register_number);
+            case CT_BATTERY:
+                return battery::BatteryManagement::read_register(register_number);
            case CT_AUDIO:
                return audio::debug::reg_read(register_number);
        }
@@ -246,6 +249,9 @@ void RegistersWidget::reg_write(const uint32_t register_number, const uint32_t v
            case CT_SI5351:
                portapack::clock_generator.write_register(register_number, value);
                break;
+            case CT_BATTERY:
+                battery::BatteryManagement::write_register(register_number, value);
+                break;
            case CT_AUDIO:
                audio::debug::reg_write(register_number, value);
                break;
@@ -291,7 +297,7 @@ RegistersView::RegistersView(
    const auto value = registers_widget.reg_read(0);
    field_write_data_val.set_value(value);

-    button_write.set_style(&Styles::red);
+    button_write.set_style(Theme::getInstance()->fg_red);
    button_write.on_select = [this](Button&) {
        this->registers_widget.reg_write(field_write_reg_num.to_integer(), field_write_data_val.to_integer());
        this->registers_widget.update();
@@ -314,7 +320,7 @@ bool RegistersView::on_encoder(const EncoderEvent delta) {
 void ControlsSwitchesWidget::on_show() {
    display.fill_rectangle(
        screen_rect(),
-        Color::black());
+        Theme::getInstance()->bg_darkest->background);
 }

 bool ControlsSwitchesWidget::on_key(const KeyEvent key) {
@@ -344,11 +350,11 @@ void ControlsSwitchesWidget::paint(Painter& painter) {
    }};

    for (const auto r : button_rects) {
-        painter.fill_rectangle(r + pos, Color::blue());
+        painter.fill_rectangle(r + pos, Theme::getInstance()->fg_blue->foreground);
    }

    if (get_touch_frame().touch)
-        painter.fill_rectangle(button_rects[8] + pos, Color::yellow());
+        painter.fill_rectangle(button_rects[8] + pos, Theme::getInstance()->fg_yellow->foreground);

    const std::array<Rect, 8> raw_rects{{
        {64 + 1, 32 + 1, 16 - 2, 16 - 2},  // Right
@@ -364,7 +370,7 @@ void ControlsSwitchesWidget::paint(Painter& painter) {
    auto switches_raw = control::debug::switches();
    for (const auto r : raw_rects) {
        if (switches_raw & 1)
-            painter.fill_rectangle(r + pos, Color::yellow());
+            painter.fill_rectangle(r + pos, Theme::getInstance()->fg_yellow->foreground);

        switches_raw >>= 1;
    }
@@ -381,7 +387,7 @@ void ControlsSwitchesWidget::paint(Painter& painter) {
    auto switches_debounced = get_switches_state().to_ulong();
    for (const auto r : debounced_rects) {
        if (switches_debounced & 1)
-            painter.fill_rectangle(r + pos, Color::green());
+            painter.fill_rectangle(r + pos, Theme::getInstance()->fg_green->foreground);

        switches_debounced >>= 1;
    }
@@ -398,7 +404,7 @@ void ControlsSwitchesWidget::paint(Painter& painter) {
    auto switches_event = key_event_mask;
    for (const auto r : events_rects) {
        if (switches_event & 1)
-            painter.fill_rectangle(r + pos, Color::red());
+            painter.fill_rectangle(r + pos, Theme::getInstance()->fg_red->foreground);

        switches_event >>= 1;
    }
@@ -406,12 +412,12 @@ void ControlsSwitchesWidget::paint(Painter& painter) {
    switches_event = long_press_key_event_mask;
    for (const auto r : events_rects) {
        if (switches_event & 1)
-            painter.fill_rectangle(r + pos, Color::cyan());
+            painter.fill_rectangle(r + pos, Theme::getInstance()->fg_cyan->foreground);

        switches_event >>= 1;
    }

-    painter.draw_string({5 * 8, 12 * 16}, Styles::light_grey, to_string_dec_int(last_delta, 3));
+    painter.draw_string({5 * 8, 12 * 16}, *Theme::getInstance()->fg_light, to_string_dec_int(last_delta, 3));
 }

 void ControlsSwitchesWidget::on_frame_sync() {
@@ -445,15 +451,24 @@ void DebugControlsView::focus() {

 /* DebugPeripheralsMenuView **********************************************/

-DebugPeripheralsMenuView::DebugPeripheralsMenuView(NavigationView& nav) {
+DebugPeripheralsMenuView::DebugPeripheralsMenuView(NavigationView& nav)
+    : nav_(nav) {
+    set_max_rows(2);  // allow wider buttons
+}
+
+void DebugPeripheralsMenuView::on_populate() {
    const char* max283x = hackrf_r9 ? "MAX2839" : "MAX2837";
    const char* si5351x = hackrf_r9 ? "Si5351A" : "Si5351C";
    add_items({
-        {"RFFC5072", ui::Color::dark_cyan(), &bitmap_icon_peripherals_details, [&nav]() { nav.push<RegistersView>("RFFC5072", RegistersWidgetConfig{CT_RFFC5072, 31, 31, 16}); }},
-        {max283x, ui::Color::dark_cyan(), &bitmap_icon_peripherals_details, [&nav, max283x]() { nav.push<RegistersView>(max283x, RegistersWidgetConfig{CT_MAX283X, 32, 32, 10}); }},
-        {si5351x, ui::Color::dark_cyan(), &bitmap_icon_peripherals_details, [&nav, si5351x]() { nav.push<RegistersView>(si5351x, RegistersWidgetConfig{CT_SI5351, 188, 96, 8}); }},
-        {audio::debug::codec_name(), ui::Color::dark_cyan(), &bitmap_icon_peripherals_details, [&nav]() { nav.push<RegistersView>(audio::debug::codec_name(), RegistersWidgetConfig{CT_AUDIO, audio::debug::reg_count(), audio::debug::reg_count(), audio::debug::reg_bits()}); }},
+        {"RFFC5072", Theme::getInstance()->fg_darkcyan->foreground, &bitmap_icon_peripherals_details, [this]() { nav_.push<RegistersView>("RFFC5072", RegistersWidgetConfig{CT_RFFC5072, 31, 31, 16}); }},
+        {max283x, Theme::getInstance()->fg_darkcyan->foreground, &bitmap_icon_peripherals_details, [this, max283x]() { nav_.push<RegistersView>(max283x, RegistersWidgetConfig{CT_MAX283X, 32, 32, 10}); }},
+        {si5351x, Theme::getInstance()->fg_darkcyan->foreground, &bitmap_icon_peripherals_details, [this, si5351x]() { nav_.push<RegistersView>(si5351x, RegistersWidgetConfig{CT_SI5351, 188, 96, 8}); }},
+        {audio::debug::codec_name(), Theme::getInstance()->fg_darkcyan->foreground, &bitmap_icon_peripherals_details, [this]() { nav_.push<RegistersView>(audio::debug::codec_name(), RegistersWidgetConfig{CT_AUDIO, audio::debug::reg_count(), audio::debug::reg_count(), audio::debug::reg_bits()}); }},
    });
+    if (battery::BatteryManagement::detectedModule() == battery::BatteryManagement::BatteryModules::BATT_MAX17055) {
+        add_item(
+            {"MAX17055", Theme::getInstance()->fg_darkcyan->foreground, &bitmap_icon_peripherals_details, [this]() { nav_.push<RegistersView>("MAX17055", RegistersWidgetConfig{CT_BATTERY, 256, 16, 16}); }});
+    }
    set_max_rows(2);  // allow wider buttons
 }

@@ -468,32 +483,43 @@ DebugReboot::DebugReboot(NavigationView& nav) {
        __WFE();
 }

+void DebugReboot::on_populate() {
+}
+
 /* DebugMenuView *********************************************************/

-DebugMenuView::DebugMenuView(NavigationView& nav) {
+DebugMenuView::DebugMenuView(NavigationView& nav)
+    : nav_(nav) {
+    set_max_rows(2);  // allow wider buttons
+}
+
+void DebugMenuView::on_populate() {
    if (portapack::persistent_memory::show_gui_return_icon()) {
-        add_items({{"..", ui::Color::light_grey(), &bitmap_icon_previous, [&nav]() { nav.pop(); }}});
+        add_items({{"..", ui::Theme::getInstance()->fg_light->foreground, &bitmap_icon_previous, [this]() { nav_.pop(); }}});
    }
    add_items({
-        {"Buttons Test", ui::Color::dark_cyan(), &bitmap_icon_controls, [&nav]() { nav.push<DebugControlsView>(); }},
-        {"Debug Dump", ui::Color::dark_cyan(), &bitmap_icon_memory, [&nav]() { portapack::persistent_memory::debug_dump(); }},
-        {"M0 Stack Dump", ui::Color::dark_cyan(), &bitmap_icon_memory, [&nav]() { stack_dump(); }},
-        {"Memory Dump", ui::Color::dark_cyan(), &bitmap_icon_memory, [&nav]() { nav.push<DebugMemoryDumpView>(); }},
-        {"Memory Usage", ui::Color::dark_cyan(), &bitmap_icon_memory, [&nav]() { nav.push<DebugMemoryView>(); }},
-        {"Peripherals", ui::Color::dark_cyan(), &bitmap_icon_peripherals, [&nav]() { nav.push<DebugPeripheralsMenuView>(); }},
-        {"Pers. Memory", ui::Color::dark_cyan(), &bitmap_icon_memory, [&nav]() { nav.push<DebugPmemView>(); }},
-        //{ "Radio State",	ui::Color::white(),	nullptr,	[&nav](){ nav.push<NotImplementedView>(); } },
-        {"Reboot", ui::Color::dark_cyan(), &bitmap_icon_setup, [&nav]() { nav.push<DebugReboot>(); }},
-        {"SD Card", ui::Color::dark_cyan(), &bitmap_icon_sdcard, [&nav]() { nav.push<SDCardDebugView>(); }},
-        {"Temperature", ui::Color::dark_cyan(), &bitmap_icon_temperature, [&nav]() { nav.push<TemperatureView>(); }},
-        {"Touch Test", ui::Color::dark_cyan(), &bitmap_icon_notepad, [&nav]() { nav.push<DebugScreenTest>(); }},
+        {"Buttons Test", ui::Theme::getInstance()->fg_darkcyan->foreground, &bitmap_icon_controls, [this]() { nav_.push<DebugControlsView>(); }},
+        {"Debug Dump", ui::Theme::getInstance()->fg_darkcyan->foreground, &bitmap_icon_memory, [this]() { portapack::persistent_memory::debug_dump(); }},
+        {"M0 Stack Dump", ui::Theme::getInstance()->fg_darkcyan->foreground, &bitmap_icon_memory, [this]() { stack_dump(); }},
+        {"Memory Dump", ui::Theme::getInstance()->fg_darkcyan->foreground, &bitmap_icon_memory, [this]() { nav_.push<DebugMemoryDumpView>(); }},
+        //{"Memory Usage", ui::Theme::getInstance()->fg_darkcyan->foreground, &bitmap_icon_memory, [this]() { nav_.push<DebugMemoryView>(); }},
+        {"Peripherals", ui::Theme::getInstance()->fg_darkcyan->foreground, &bitmap_icon_peripherals, [this]() { nav_.push<DebugPeripheralsMenuView>(); }},
+        {"Pers. Memory", ui::Theme::getInstance()->fg_darkcyan->foreground, &bitmap_icon_memory, [this]() { nav_.push<DebugPmemView>(); }},
+        //{ "Radio State",	ui::Theme::getInstance()->bg_darkest->foreground,	nullptr,	[this](){ nav_.push<NotImplementedView>(); } },
+        {"SD Card", ui::Theme::getInstance()->fg_darkcyan->foreground, &bitmap_icon_sdcard, [this]() { nav_.push<SDCardDebugView>(); }},
+        {"Temperature", ui::Theme::getInstance()->fg_darkcyan->foreground, &bitmap_icon_temperature, [this]() { nav_.push<TemperatureView>(); }},
+        {"Touch Test", ui::Theme::getInstance()->fg_darkcyan->foreground, &bitmap_icon_notepad, [this]() { nav_.push<DebugScreenTest>(); }},
+        {"Reboot", ui::Theme::getInstance()->fg_darkcyan->foreground, &bitmap_icon_setup, [this]() { nav_.push<DebugReboot>(); }},
    });

-    for (auto const& gridItem : ExternalItemsMenuLoader::load_external_items(app_location_t::DEBUG, nav)) {
+    if (battery::BatteryManagement::detectedModule() == battery::BatteryManagement::BatteryModules::BATT_MAX17055) {
+        add_item(
+            {"Battery", ui::Theme::getInstance()->fg_darkcyan->foreground, &bitmap_icon_batt_icon, [this]() { nav_.push<BatteryCapacityView>(); }});
+    }
+
+    for (auto const& gridItem : ExternalItemsMenuLoader::load_external_items(app_location_t::DEBUG, nav_)) {
        add_item(gridItem);
    };
-
-    set_max_rows(2);  // allow wider buttons
 }

 /* DebugMemoryDumpView *********************************************************/
@@ -523,7 +549,7 @@ DebugMemoryDumpView::DebugMemoryDumpView(NavigationView& nav) {
        field_data_value.set_dirty();
    };

-    button_write.set_style(&Styles::red);
+    button_write.set_style(Theme::getInstance()->fg_red);
    button_write.on_select = [this](Button&) {
        *(uint32_t*)field_rw_address.to_integer() = (uint32_t)field_data_value.to_integer();
    };
@@ -606,8 +632,8 @@ bool DebugScreenTest::on_touch(const TouchEvent event) {
 }

 void DebugScreenTest::paint(Painter& painter) {
-    painter.fill_rectangle({0, 16, screen_width, screen_height - 16}, Color::white());
-    painter.draw_string({10 * 8, screen_height / 2}, Styles::white, "Use Stylus");
+    painter.fill_rectangle({0, 16, screen_width, screen_height - 16}, Theme::getInstance()->bg_darkest->foreground);
+    painter.draw_string({10 * 8, screen_height / 2}, *Theme::getInstance()->bg_darkest, "Use Stylus");
    pen_color = std::rand();
 }

@@ -1,6 +1,7 @@
 /*
 * Copyright (C) 2015 Jared Boone, ShareBrained Technology, Inc.
 * Copyright (C) 2024 Mark Thompson
+ * Copyright (C) 2024 u-foka
 *
 * This file is part of PortaPack.
 *
@@ -138,6 +139,7 @@ typedef enum {
    CT_MAX283X,
    CT_SI5351,
    CT_AUDIO,
+    CT_BATTERY,
 } chip_type_t;

 struct RegistersWidgetConfig {
@@ -232,8 +234,8 @@ class RegistersView : public View {
        "Write"};

    Labels labels{
-        {{1 * 8, 248}, "Reg:", Color::light_grey()},
-        {{8 * 8, 248}, "Data:", Color::light_grey()}};
+        {{1 * 8, 248}, "Reg:", Theme::getInstance()->fg_light->foreground},
+        {{8 * 8, 248}, "Data:", Theme::getInstance()->fg_light->foreground}};

    SymField field_write_reg_num{
        {5 * 8, 248},
@@ -287,9 +289,9 @@ class DebugControlsView : public View {

   private:
    Labels labels{
-        {{8 * 8, 1 * 16}, "Controls State", Color::white()},
-        {{0 * 8, 11 * 16}, "Dial:", Color::grey()},
-        {{0 * 8, 14 * 16}, "Long-Press Mode:", Color::grey()}};
+        {{8 * 8, 1 * 16}, "Controls State", Theme::getInstance()->bg_darkest->foreground},
+        {{0 * 8, 11 * 16}, "Dial:", Theme::getInstance()->fg_medium->foreground},
+        {{0 * 8, 14 * 16}, "Long-Press Mode:", Theme::getInstance()->fg_medium->foreground}};

    ControlsSwitchesWidget switches_widget{
        {80, 80, 80, 112},
@@ -332,12 +334,12 @@ class DebugMemoryDumpView : public View {
        "Done"};

    Labels labels{
-        {{5 * 8, 1 * 16}, "Dump Range to File", Color::yellow()},
-        {{0 * 8, 2 * 16}, "Starting Address: 0x", Color::light_grey()},
-        {{0 * 8, 3 * 16}, "Byte Count:       0x", Color::light_grey()},
-        {{3 * 8, 8 * 16}, "Read/Write Single Word", Color::yellow()},
-        {{0 * 8, 9 * 16}, "Memory Address:   0x", Color::light_grey()},
-        {{0 * 8, 10 * 16}, "Data Value:       0x", Color::light_grey()}};
+        {{5 * 8, 1 * 16}, "Dump Range to File", Theme::getInstance()->fg_yellow->foreground},
+        {{0 * 8, 2 * 16}, "Starting Address: 0x", Theme::getInstance()->fg_light->foreground},
+        {{0 * 8, 3 * 16}, "Byte Count:       0x", Theme::getInstance()->fg_light->foreground},
+        {{3 * 8, 8 * 16}, "Read/Write Single Word", Theme::getInstance()->fg_yellow->foreground},
+        {{0 * 8, 9 * 16}, "Memory Address:   0x", Theme::getInstance()->fg_light->foreground},
+        {{0 * 8, 10 * 16}, "Data Value:       0x", Theme::getInstance()->fg_light->foreground}};

    SymField field_starting_address{
        {20 * 8, 2 * 16},
@@ -422,17 +424,28 @@ class DebugPeripheralsMenuView : public BtnGridView {
   public:
    DebugPeripheralsMenuView(NavigationView& nav);
    std::string title() const override { return "Peripherals"; };
+
+   private:
+    NavigationView& nav_;
+    void on_populate() override;
 };

 class DebugReboot : public BtnGridView {
   public:
    DebugReboot(NavigationView& nav);
+
+   private:
+    void on_populate() override;
 };

 class DebugMenuView : public BtnGridView {
   public:
    DebugMenuView(NavigationView& nav);
    std::string title() const override { return "Debug"; };
+
+   private:
+    NavigationView& nav_;
+    void on_populate() override;
 };

 } /* namespace ui */
@@ -0,0 +1,104 @@
+#include "ui_debug_battery.hpp"
+#include "string_format.hpp"
+
+namespace ui {
+
+BatteryCapacityView::RegisterEntry BatteryCapacityView::get_entry(size_t index) {
+    if (index < battery::max17055::MAX17055::entries_count) {
+        return battery::max17055::MAX17055::entries[index];
+    }
+    return {"", 0, "", 0, false, "", false, 0, false, false, false, 0, false};
+}
+
+BatteryCapacityView::BatteryCapacityView(NavigationView& nav) {
+    for (size_t i = 0; i < ENTRIES_PER_PAGE; ++i) {
+        name_texts[i].set_parent_rect({0 * 8, static_cast<int>((i + 1) * 16), 8 * 8, 16});
+        addr_texts[i].set_parent_rect({9 * 8, static_cast<int>((i + 1) * 16), 4 * 8, 16});
+        hex_texts[i].set_parent_rect({14 * 8, static_cast<int>((i + 1) * 16), 6 * 8, 16});
+        value_texts[i].set_parent_rect({21 * 8, static_cast<int>((i + 1) * 16), 10 * 8, 16});
+
+        add_child(&name_texts[i]);
+        add_child(&addr_texts[i]);
+        add_child(&hex_texts[i]);
+        add_child(&value_texts[i]);
+    }
+
+    add_children({&labels, &page_text, &button_done});
+
+    button_done.on_select = [&nav](Button&) { nav.pop(); };
+
+    populate_page(0);
+    update_page_text();
+}
+
+void BatteryCapacityView::focus() {
+    button_done.focus();
+}
+
+bool BatteryCapacityView::on_encoder(const EncoderEvent delta) {
+    int32_t new_page = current_page + delta;
+    if (new_page >= 0 && new_page < ((int32_t)battery::max17055::MAX17055::entries_count + ENTRIES_PER_PAGE - 1) / ENTRIES_PER_PAGE) {
+        current_page = new_page;
+        populate_page(current_page * ENTRIES_PER_PAGE);
+        update_page_text();
+    }
+    return true;
+}
+
+void BatteryCapacityView::update_values() {
+    for (size_t i = 0; i < ENTRIES_PER_PAGE; ++i) {
+        size_t entry_index = current_page * ENTRIES_PER_PAGE + i;
+        if (entry_index < battery::max17055::MAX17055::entries_count) {
+            const auto entry = get_entry(entry_index);
+            uint16_t raw_value = battery::BatteryManagement::read_register(entry.address);
+
+            hex_texts[i].set("0x" + to_string_hex(raw_value, 4));
+
+            float scaled_value;
+            if (entry.is_signed) {
+                int16_t signed_value = static_cast<int16_t>(raw_value);
+                scaled_value = signed_value * entry.scalar;
+            } else {
+                scaled_value = raw_value * entry.scalar;
+            }
+
+            // Format the value with appropriate decimal places
+            std::string formatted_value;
+            if (entry.resolution > 0) {
+                formatted_value = to_string_decimal(scaled_value, std::min(entry.resolution, 3));
+            } else {
+                formatted_value = to_string_dec_int(scaled_value);  // Show up to 3 decimal places
+            }
+
+            value_texts[i].set(formatted_value + " " + entry.unit);
+        }
+    }
+}
+
+void BatteryCapacityView::populate_page(int start_index) {
+    for (size_t i = 0; i < ENTRIES_PER_PAGE; ++i) {
+        size_t entry_index = start_index + i;
+        if (entry_index < battery::max17055::MAX17055::entries_count) {
+            const auto entry = get_entry(entry_index);
+            name_texts[i].set(entry.name);
+            addr_texts[i].set("0x" + to_string_hex(entry.address, 2));
+            name_texts[i].hidden(false);
+            addr_texts[i].hidden(false);
+            hex_texts[i].hidden(false);
+            value_texts[i].hidden(false);
+        } else {
+            name_texts[i].hidden(true);
+            addr_texts[i].hidden(true);
+            hex_texts[i].hidden(true);
+            value_texts[i].hidden(true);
+        }
+    }
+    update_values();
+}
+
+void BatteryCapacityView::update_page_text() {
+    int total_pages = (battery::max17055::MAX17055::entries_count + ENTRIES_PER_PAGE - 1) / ENTRIES_PER_PAGE;
+    page_text.set("Page " + to_string_dec_uint(current_page + 1) + "/" + to_string_dec_uint(total_pages));
+}
+
+}  // namespace ui
@@ -0,0 +1,48 @@
+#ifndef __UI_DEBUG_BATTERY_HPP__
+#define __UI_DEBUG_BATTERY_HPP__
+
+#include "ui.hpp"
+#include "ui_widget.hpp"
+#include "ui_navigation.hpp"
+#include "battery.hpp"
+#include "max17055.hpp"
+
+namespace ui {
+
+class BatteryCapacityView : public View {
+   public:
+    BatteryCapacityView(NavigationView& nav);
+    void focus() override;
+    std::string title() const override { return "Battery Registers"; }
+
+    bool on_encoder(const EncoderEvent delta) override;
+
+    using RegisterEntry = battery::max17055::RegisterEntry;
+
+   private:
+    static RegisterEntry get_entry(size_t index);
+
+    Labels labels{
+        {{0 * 8, 0 * 16}, "Reg", Theme::getInstance()->fg_yellow->foreground},
+        {{9 * 8, 0 * 16}, "Addr", Theme::getInstance()->fg_yellow->foreground},
+        {{14 * 8, 0 * 16}, "Hex", Theme::getInstance()->fg_yellow->foreground},
+        {{21 * 8, 0 * 16}, "Value", Theme::getInstance()->fg_yellow->foreground},
+    };
+    std::array<Text, 16> name_texts = {};
+    std::array<Text, 16> addr_texts = {};
+    std::array<Text, 16> hex_texts = {};
+    std::array<Text, 16> value_texts = {};
+
+    Text page_text{{144, 284, 80, 16}, "Page 1/1"};
+    Button button_done{{16, 280, 96, 24}, "Done"};
+
+    void update_values();
+    void populate_page(int start_index);
+    void update_page_text();
+    int current_page = 0;
+    static constexpr int ENTRIES_PER_PAGE = 16;
+};
+
+}  // namespace ui
+
+#endif  // __UI_DEBUG_BATTERY_HPP__
@@ -38,48 +38,63 @@ DfuMenu::DfuMenu(NavigationView& nav)
                  &text_info_line_5,
                  &text_info_line_6,
                  &text_info_line_7,
-                  &text_info_line_8});
+                  &text_info_line_8,
+                  &text_info_line_9,
+                  &text_info_line_10});
+
+    if (battery::BatteryManagement::isDetected()) {
+        add_child(&voltage_label);
+        add_child(&text_info_line_11);
+    }
 }

 void DfuMenu::paint(Painter& painter) {
    auto utilisation = get_cpu_utilisation_in_percent();
+    size_t m0_fragmented_free_space = 0;
+    const auto m0_fragments = chHeapStatus(NULL, &m0_fragmented_free_space);
+
+    auto lines = (battery::BatteryManagement::isDetected() ? 11 : 10) + 2;

    text_info_line_1.set(to_string_dec_uint(chCoreStatus(), 6));
-    text_info_line_2.set(to_string_dec_uint((uint32_t)get_free_stack_space(), 6));
-    text_info_line_3.set(to_string_dec_uint(utilisation, 6));
-    text_info_line_4.set(to_string_dec_uint(shared_memory.m4_heap_usage, 6));
-    text_info_line_5.set(to_string_dec_uint(shared_memory.m4_stack_usage, 6));
-    text_info_line_6.set(to_string_dec_uint(shared_memory.m4_performance_counter, 6));
-    text_info_line_7.set(to_string_dec_uint(shared_memory.m4_buffer_missed, 6));
-    text_info_line_8.set(to_string_dec_uint(chTimeNow() / 1000, 6));
+    text_info_line_2.set(to_string_dec_uint(m0_fragmented_free_space, 6));
+    text_info_line_3.set(to_string_dec_uint(m0_fragments, 6));
+    text_info_line_4.set(to_string_dec_uint((uint32_t)get_free_stack_space(), 6));
+    text_info_line_5.set(to_string_dec_uint(utilisation, 6));
+    text_info_line_6.set(to_string_dec_uint(shared_memory.m4_heap_usage, 6));
+    text_info_line_7.set(to_string_dec_uint(shared_memory.m4_stack_usage, 6));
+    text_info_line_8.set(to_string_dec_uint(shared_memory.m4_performance_counter, 6));
+    text_info_line_9.set(to_string_dec_uint(shared_memory.m4_buffer_missed, 6));
+    text_info_line_10.set(to_string_dec_uint(chTimeNow() / 1000, 6));
+    if (battery::BatteryManagement::isDetected()) {
+        text_info_line_11.set(to_string_decimal_padding((float)battery::BatteryManagement::getVoltage() / 1000.0, 3, 6));
+    }

    constexpr auto margin = 5;
-    constexpr auto lines = 8 + 2;

    painter.fill_rectangle(
        {{6 * CHARACTER_WIDTH - margin, 3 * LINE_HEIGHT - margin},
         {15 * CHARACTER_WIDTH + margin * 2, lines * LINE_HEIGHT + margin * 2}},
-        ui::Color::black());
+        Theme::getInstance()->bg_darkest->background);

    painter.fill_rectangle(
        {{5 * CHARACTER_WIDTH - margin, 3 * LINE_HEIGHT - margin},
         {CHARACTER_WIDTH, lines * LINE_HEIGHT + margin * 2}},
-        ui::Color::dark_cyan());
+        ui::Theme::getInstance()->fg_darkcyan->foreground);

    painter.fill_rectangle(
        {{21 * CHARACTER_WIDTH + margin, 3 * LINE_HEIGHT - margin},
         {CHARACTER_WIDTH, lines * LINE_HEIGHT + margin * 2}},
-        ui::Color::dark_cyan());
+        ui::Theme::getInstance()->fg_darkcyan->foreground);

    painter.fill_rectangle(
        {{5 * CHARACTER_WIDTH - margin, 3 * LINE_HEIGHT - margin - 8},
         {17 * CHARACTER_WIDTH + margin * 2, 8}},
-        ui::Color::dark_cyan());
+        ui::Theme::getInstance()->fg_darkcyan->foreground);

    painter.fill_rectangle(
        {{5 * CHARACTER_WIDTH - margin, (lines + 3) * LINE_HEIGHT + margin},
         {17 * CHARACTER_WIDTH + margin * 2, 8}},
-        ui::Color::dark_cyan());
+        ui::Theme::getInstance()->fg_darkcyan->foreground);
 }

 DfuMenu2::DfuMenu2(NavigationView& nav)
@@ -118,27 +133,27 @@ void DfuMenu2::paint(Painter& painter) {
    painter.fill_rectangle(
        {{5 * CHARACTER_WIDTH - margin, 3 * LINE_HEIGHT - margin},
         {19 * CHARACTER_WIDTH + margin * 2, lines * LINE_HEIGHT + margin * 2}},
-        ui::Color::black());
+        Theme::getInstance()->bg_darkest->background);

    painter.fill_rectangle(
        {{4 * CHARACTER_WIDTH - margin, 3 * LINE_HEIGHT - margin},
         {CHARACTER_WIDTH, lines * LINE_HEIGHT + margin * 2}},
-        ui::Color::dark_cyan());
+        ui::Theme::getInstance()->fg_darkcyan->foreground);

    painter.fill_rectangle(
        {{24 * CHARACTER_WIDTH + margin, 3 * LINE_HEIGHT - margin},
         {CHARACTER_WIDTH, lines * LINE_HEIGHT + margin * 2}},
-        ui::Color::dark_cyan());
+        ui::Theme::getInstance()->fg_darkcyan->foreground);

    painter.fill_rectangle(
        {{4 * CHARACTER_WIDTH - margin, 3 * LINE_HEIGHT - margin - 8},
         {21 * CHARACTER_WIDTH + margin * 2, 8}},
-        ui::Color::dark_cyan());
+        ui::Theme::getInstance()->fg_darkcyan->foreground);

    painter.fill_rectangle(
        {{4 * CHARACTER_WIDTH - margin, (lines + 3) * LINE_HEIGHT + margin},
         {21 * CHARACTER_WIDTH + margin * 2, 8}},
-        ui::Color::dark_cyan());
+        ui::Theme::getInstance()->fg_darkcyan->foreground);
 }

 } /* namespace ui */
@@ -49,14 +49,18 @@ class DfuMenu : public View {
    Text text_head{{6 * CHARACTER_WIDTH, 3 * LINE_HEIGHT, 11 * CHARACTER_WIDTH, 1 * LINE_HEIGHT}, "Performance"};

    Labels labels{
-        {{6 * CHARACTER_WIDTH, 5 * LINE_HEIGHT}, "M0 heap:", Color::dark_cyan()},
-        {{6 * CHARACTER_WIDTH, 6 * LINE_HEIGHT}, "M0 stack:", Color::dark_cyan()},
-        {{6 * CHARACTER_WIDTH, 7 * LINE_HEIGHT}, "M0 cpu %:", Color::dark_cyan()},
-        {{6 * CHARACTER_WIDTH, 8 * LINE_HEIGHT}, "M4 heap:", Color::dark_cyan()},
-        {{6 * CHARACTER_WIDTH, 9 * LINE_HEIGHT}, "M4 stack:", Color::dark_cyan()},
-        {{6 * CHARACTER_WIDTH, 10 * LINE_HEIGHT}, "M4 cpu %:", Color::dark_cyan()},
-        {{6 * CHARACTER_WIDTH, 11 * LINE_HEIGHT}, "M4 miss:", Color::dark_cyan()},
-        {{6 * CHARACTER_WIDTH, 12 * LINE_HEIGHT}, "uptime:", Color::dark_cyan()}};
+        {{6 * CHARACTER_WIDTH, 5 * LINE_HEIGHT}, "M0 core:", Theme::getInstance()->fg_darkcyan->foreground},
+        {{6 * CHARACTER_WIDTH, 6 * LINE_HEIGHT}, "M0 heap:", Theme::getInstance()->fg_darkcyan->foreground},
+        {{6 * CHARACTER_WIDTH, 7 * LINE_HEIGHT}, "M0 frags:", Theme::getInstance()->fg_darkcyan->foreground},
+        {{6 * CHARACTER_WIDTH, 8 * LINE_HEIGHT}, "M0 stack:", Theme::getInstance()->fg_darkcyan->foreground},
+        {{6 * CHARACTER_WIDTH, 9 * LINE_HEIGHT}, "M0 cpu %:", Theme::getInstance()->fg_darkcyan->foreground},
+        {{6 * CHARACTER_WIDTH, 10 * LINE_HEIGHT}, "M4 heap:", Theme::getInstance()->fg_darkcyan->foreground},
+        {{6 * CHARACTER_WIDTH, 11 * LINE_HEIGHT}, "M4 stack:", Theme::getInstance()->fg_darkcyan->foreground},
+        {{6 * CHARACTER_WIDTH, 12 * LINE_HEIGHT}, "M4 cpu %:", Theme::getInstance()->fg_darkcyan->foreground},
+        {{6 * CHARACTER_WIDTH, 13 * LINE_HEIGHT}, "M4 miss:", Theme::getInstance()->fg_darkcyan->foreground},
+        {{6 * CHARACTER_WIDTH, 14 * LINE_HEIGHT}, "Uptime:", Theme::getInstance()->fg_darkcyan->foreground}};
+
+    Labels voltage_label{{{6 * CHARACTER_WIDTH, 15 * LINE_HEIGHT}, "Voltage:", Theme::getInstance()->fg_darkcyan->foreground}};

    Text text_info_line_1{{15 * CHARACTER_WIDTH, 5 * LINE_HEIGHT, 6 * CHARACTER_WIDTH, 1 * LINE_HEIGHT}, ""};
    Text text_info_line_2{{15 * CHARACTER_WIDTH, 6 * LINE_HEIGHT, 6 * CHARACTER_WIDTH, 1 * LINE_HEIGHT}, ""};
@@ -66,6 +70,9 @@ class DfuMenu : public View {
    Text text_info_line_6{{15 * CHARACTER_WIDTH, 10 * LINE_HEIGHT, 6 * CHARACTER_WIDTH, 1 * LINE_HEIGHT}, ""};
    Text text_info_line_7{{15 * CHARACTER_WIDTH, 11 * LINE_HEIGHT, 6 * CHARACTER_WIDTH, 1 * LINE_HEIGHT}, ""};
    Text text_info_line_8{{15 * CHARACTER_WIDTH, 12 * LINE_HEIGHT, 6 * CHARACTER_WIDTH, 1 * LINE_HEIGHT}, ""};
+    Text text_info_line_9{{15 * CHARACTER_WIDTH, 13 * LINE_HEIGHT, 6 * CHARACTER_WIDTH, 1 * LINE_HEIGHT}, ""};
+    Text text_info_line_10{{15 * CHARACTER_WIDTH, 14 * LINE_HEIGHT, 6 * CHARACTER_WIDTH, 1 * LINE_HEIGHT}, ""};
+    Text text_info_line_11{{15 * CHARACTER_WIDTH, 15 * LINE_HEIGHT, 6 * CHARACTER_WIDTH, 1 * LINE_HEIGHT}, ""};
 };

 class DfuMenu2 : public View {
@@ -81,17 +88,17 @@ class DfuMenu2 : public View {
    Text text_head{{6 * CHARACTER_WIDTH, 3 * LINE_HEIGHT, 14 * CHARACTER_WIDTH, 1 * LINE_HEIGHT}, "Radio Settings"};

    Labels labels{
-        {{5 * CHARACTER_WIDTH, 5 * LINE_HEIGHT}, "RX Freq:", Color::dark_cyan()},
-        {{5 * CHARACTER_WIDTH, 6 * LINE_HEIGHT}, "RX BW:", Color::dark_cyan()},
-        {{5 * CHARACTER_WIDTH, 7 * LINE_HEIGHT}, "RX SampR:", Color::dark_cyan()},
-        {{5 * CHARACTER_WIDTH, 8 * LINE_HEIGHT}, "RX Satu%:", Color::dark_cyan()},
-        {{5 * CHARACTER_WIDTH, 9 * LINE_HEIGHT}, "Modulatn:", Color::dark_cyan()},
-        {{5 * CHARACTER_WIDTH, 10 * LINE_HEIGHT}, "AM cfg:", Color::dark_cyan()},
-        {{5 * CHARACTER_WIDTH, 11 * LINE_HEIGHT}, "NBFM cfg:", Color::dark_cyan()},
-        {{5 * CHARACTER_WIDTH, 12 * LINE_HEIGHT}, "WFM cfg:", Color::dark_cyan()},
-        {{5 * CHARACTER_WIDTH, 13 * LINE_HEIGHT}, "TX Freq:", Color::dark_cyan()},
-        {{5 * CHARACTER_WIDTH, 14 * LINE_HEIGHT}, "TX BW:", Color::dark_cyan()},
-        {{5 * CHARACTER_WIDTH, 15 * LINE_HEIGHT}, "TX SampR:", Color::dark_cyan()},
+        {{5 * CHARACTER_WIDTH, 5 * LINE_HEIGHT}, "RX Freq:", Theme::getInstance()->fg_darkcyan->foreground},
+        {{5 * CHARACTER_WIDTH, 6 * LINE_HEIGHT}, "RX BW:", Theme::getInstance()->fg_darkcyan->foreground},
+        {{5 * CHARACTER_WIDTH, 7 * LINE_HEIGHT}, "RX SampR:", Theme::getInstance()->fg_darkcyan->foreground},
+        {{5 * CHARACTER_WIDTH, 8 * LINE_HEIGHT}, "RX Satu%:", Theme::getInstance()->fg_darkcyan->foreground},
+        {{5 * CHARACTER_WIDTH, 9 * LINE_HEIGHT}, "Modulatn:", Theme::getInstance()->fg_darkcyan->foreground},
+        {{5 * CHARACTER_WIDTH, 10 * LINE_HEIGHT}, "AM cfg:", Theme::getInstance()->fg_darkcyan->foreground},
+        {{5 * CHARACTER_WIDTH, 11 * LINE_HEIGHT}, "NBFM cfg:", Theme::getInstance()->fg_darkcyan->foreground},
+        {{5 * CHARACTER_WIDTH, 12 * LINE_HEIGHT}, "WFM cfg:", Theme::getInstance()->fg_darkcyan->foreground},
+        {{5 * CHARACTER_WIDTH, 13 * LINE_HEIGHT}, "TX Freq:", Theme::getInstance()->fg_darkcyan->foreground},
+        {{5 * CHARACTER_WIDTH, 14 * LINE_HEIGHT}, "TX BW:", Theme::getInstance()->fg_darkcyan->foreground},
+        {{5 * CHARACTER_WIDTH, 15 * LINE_HEIGHT}, "TX SampR:", Theme::getInstance()->fg_darkcyan->foreground},
    };

    Text text_info_line_1{{14 * CHARACTER_WIDTH, 5 * LINE_HEIGHT, 10 * CHARACTER_WIDTH, 1 * LINE_HEIGHT}, ""};
@@ -64,16 +64,16 @@ class EncodersConfigView : public View {
    void on_type_change(size_t index);

    Labels labels{
-        {{1 * 8, 0}, "Type:", Color::light_grey()},
-        {{17 * 8, 0}, "Repeat:", Color::light_grey()},
-        {{1 * 8, 2 * 8}, "Clk:", Color::light_grey()},
-        {{10 * 8, 2 * 8}, "kHz", Color::light_grey()},
-        {{17 * 8, 2 * 8}, "Step:", Color::light_grey()},
-        {{1 * 8, 4 * 8}, "Frame:", Color::light_grey()},
-        {{13 * 8, 4 * 8}, "us", Color::light_grey()},
-        {{17 * 8, 4 * 8}, "Step:", Color::light_grey()},
-        {{2 * 8, 7 * 8}, "Symbols:", Color::light_grey()},
-        {{1 * 8, 14 * 8}, "Waveform:", Color::light_grey()}};
+        {{1 * 8, 0}, "Type:", Theme::getInstance()->fg_light->foreground},
+        {{17 * 8, 0}, "Repeat:", Theme::getInstance()->fg_light->foreground},
+        {{1 * 8, 2 * 8}, "Clk:", Theme::getInstance()->fg_light->foreground},
+        {{10 * 8, 2 * 8}, "kHz", Theme::getInstance()->fg_light->foreground},
+        {{17 * 8, 2 * 8}, "Step:", Theme::getInstance()->fg_light->foreground},
+        {{1 * 8, 4 * 8}, "Frame:", Theme::getInstance()->fg_light->foreground},
+        {{13 * 8, 4 * 8}, "us", Theme::getInstance()->fg_light->foreground},
+        {{17 * 8, 4 * 8}, "Step:", Theme::getInstance()->fg_light->foreground},
+        {{2 * 8, 7 * 8}, "Symbols:", Theme::getInstance()->fg_light->foreground},
+        {{1 * 8, 14 * 8}, "Waveform:", Theme::getInstance()->fg_light->foreground}};

    OptionsField options_enctype{// Options are loaded at runtime
                                 {6 * 8, 0},
@@ -128,7 +128,7 @@ class EncodersConfigView : public View {
        0,
        0,
        true,
-        Color::yellow()};
+        Theme::getInstance()->fg_yellow->foreground};
 };

 class EncodersScanView : public View {
@@ -160,9 +160,9 @@ class EncodersScanView : public View {

   private:
    Labels labels{
-        {{1 * 8, 0 * 8}, "Length:", Color::light_grey()},
-        {{1 * 8, 2 * 8}, "Bit length:", Color::light_grey()},
-        {{16 * 8, 2 * 8}, "us", Color::light_grey()},
+        {{1 * 8, 0 * 8}, "Length:", Theme::getInstance()->fg_light->foreground},
+        {{1 * 8, 2 * 8}, "Bit length:", Theme::getInstance()->fg_light->foreground},
+        {{16 * 8, 2 * 8}, "us", Theme::getInstance()->fg_light->foreground},
    };
 };

@@ -206,8 +206,8 @@ class EncodersView : public View {
    EncodersScanView view_scan{nav_, view_rect};

    TabView tab_view{
-        {"Config", Color::cyan(), &view_config},
-        {"de Bruijn", Color::green(), &view_scan},
+        {"Config", Theme::getInstance()->fg_cyan->foreground, &view_config},
+        {"de Bruijn", Theme::getInstance()->fg_green->foreground, &view_scan},
    };

    Text text_status{
@@ -29,11 +29,13 @@
 #include "ui_playlist.hpp"
 #include "ui_remote.hpp"
 #include "ui_ss_viewer.hpp"
+#include "ui_bmp_file_viewer.hpp"
 #include "ui_text_editor.hpp"
 #include "ui_iq_trim.hpp"
 #include "string_format.hpp"
 #include "portapack.hpp"
 #include "event_m0.hpp"
+#include "file_path.hpp"

 using namespace portapack;
 namespace fs = std::filesystem;
@@ -62,7 +64,7 @@ std::string truncate(const fs::path& path, size_t max_length) {
 }

 // Inserts the entry into the entry list sorted directories first then by file name.
-void insert_sorted(std::vector<fileman_entry>& entries, fileman_entry&& entry) {
+void insert_sorted(std::list<fileman_entry>& entries, fileman_entry&& entry) {
    auto it = std::lower_bound(
        std::begin(entries), std::end(entries), entry,
        [](const fileman_entry& lhs, const fileman_entry& rhs) {
@@ -146,9 +148,82 @@ namespace ui {

 /* FileManBaseView ***********************************************************/

-void FileManBaseView::load_directory_contents(const fs::path& dir_path) {
+void FileManBaseView::load_directory_contents_unordered(const fs::path& dir_path, size_t file_cnt) {
    current_path = dir_path;
    entry_list.clear();
+    menu_view.clear();
+    auto filtering = !extension_filter.empty();
+    bool cxx_file = path_iequal(cxx_ext, extension_filter);
+
+    text_current.set(dir_path.empty() ? "(sd root)" : truncate(dir_path, 24));
+
+    nb_pages = 1 + (file_cnt / items_per_page);
+    size_t start = pagination * items_per_page;
+    size_t stop = start + items_per_page;
+    if (file_cnt < stop) stop = file_cnt;
+    if (start > file_cnt) start = 0;  // shouldn't hapen but check against it won't hurt
+
+    size_t curr = 0;
+
+    for (const auto& entry : fs::directory_iterator(dir_path, u"*")) {
+        if (entry_list.size() >= items_per_page) {
+            break;
+        }
+        // Hide files starting with '.' (hidden / tmp).
+        if (!show_hidden_files && is_hidden_file(entry.path()))
+            continue;
+
+        if (fs::is_regular_file(entry.status())) {
+            if (!filtering || path_iequal(entry.path().extension(), extension_filter) || (cxx_file && is_cxx_capture_file(entry.path()))) {
+                curr++;
+                if (curr >= start) insert_sorted(entry_list, {entry.path().string(), (uint32_t)entry.size(), false});
+            }
+
+        } else if (fs::is_directory(entry.status())) {
+            curr++;
+            if (curr >= start) insert_sorted(entry_list, {entry.path().string(), 0, true});
+        }
+    }
+
+    // Add "parent" directory if not at the root.
+    if (!dir_path.empty() && pagination == 0)
+        entry_list.insert(entry_list.begin(), {parent_dir_path.string(), 0, true});
+
+    // add next page
+    if (file_cnt > start + items_per_page) {
+        entry_list.push_back({str_next, (uint32_t)pagination + 1, true});
+    }
+
+    // add prev page
+    if (pagination > 0) {
+        entry_list.insert(entry_list.begin(), {str_back, (uint32_t)pagination - 1, true});
+    }
+}
+
+int FileManBaseView::file_count_filtered(const fs::path& directory) {
+    int count{0};
+    auto filtering = !extension_filter.empty();
+    bool cxx_file = path_iequal(cxx_ext, extension_filter);
+
+    for (auto& entry : std::filesystem::directory_iterator(directory, (const TCHAR*)u"*")) {
+        if (fs::is_regular_file(entry.status())) {
+            if (!filtering || path_iequal(entry.path().extension(), extension_filter) || (cxx_file && is_cxx_capture_file(entry.path())))
+                ++count;
+        } else
+            ++count;
+    }
+    return count;
+}
+
+void FileManBaseView::load_directory_contents(const fs::path& dir_path) {
+    size_t file_cnt = file_count_filtered(dir_path);
+    if (file_cnt >= max_items_loaded) {
+        load_directory_contents_unordered(dir_path, file_cnt);
+        return;
+    }
+    current_path = dir_path;
+    entry_list.clear();
+    menu_view.clear();
    auto filtering = !extension_filter.empty();
    bool cxx_file = path_iequal(cxx_ext, extension_filter);

@@ -161,19 +236,41 @@ void FileManBaseView::load_directory_contents(const fs::path& dir_path) {

        if (fs::is_regular_file(entry.status())) {
            if (!filtering || path_iequal(entry.path().extension(), extension_filter) || (cxx_file && is_cxx_capture_file(entry.path())))
-                insert_sorted(entry_list, {entry.path(), (uint32_t)entry.size(), false});
+                insert_sorted(entry_list, {entry.path().string(), (uint32_t)entry.size(), false});
        } else if (fs::is_directory(entry.status())) {
-            insert_sorted(entry_list, {entry.path(), 0, true});
+            insert_sorted(entry_list, {entry.path().string(), 0, true});
        }
    }

+    // paginating
+    auto list_size = entry_list.size();
+    nb_pages = 1 + (list_size / items_per_page);
+    size_t start = pagination * items_per_page;
+    size_t stop = start + items_per_page;
+    if (list_size > start) {
+        if (list_size < stop)
+            stop = list_size;
+        entry_list.erase(std::next(entry_list.begin(), stop), entry_list.end());
+        entry_list.erase(entry_list.begin(), std::next(entry_list.begin(), start));
+    }
+
    // Add "parent" directory if not at the root.
-    if (!dir_path.empty())
-        entry_list.insert(entry_list.begin(), {parent_dir_path, 0, true});
+    if (!dir_path.empty() && pagination == 0)
+        entry_list.insert(entry_list.begin(), {parent_dir_path.string(), 0, true});
+
+    // add next page
+    if (list_size > start + items_per_page) {
+        entry_list.push_back({str_next, (uint32_t)pagination + 1, true});
+    }
+
+    // add prev page
+    if (pagination > 0) {
+        entry_list.insert(entry_list.begin(), {str_back, (uint32_t)pagination - 1, true});
+    }
 }

 fs::path FileManBaseView::get_selected_full_path() const {
-    if (get_selected_entry().path == parent_dir_path)
+    if (get_selected_entry().path == parent_dir_path.string())
        return current_path.parent_path();

    return current_path / get_selected_entry().path;
@@ -181,7 +278,10 @@ fs::path FileManBaseView::get_selected_full_path() const {

 const fileman_entry& FileManBaseView::get_selected_entry() const {
    // TODO: return reference to an "empty" entry on OOB?
-    return entry_list[menu_view.highlighted_index()];
+    auto it = entry_list.begin();
+    if (menu_view.highlighted_index() >= 1) std::advance(it, menu_view.highlighted_index());
+    return *it;
+    // return entry_list[menu_view.highlighted_index()];
 }

 FileManBaseView::FileManBaseView(
@@ -230,7 +330,7 @@ void FileManBaseView::push_dir(const fs::path& path) {
        current_path /= path;
        saved_index_stack.push_back(menu_view.highlighted_index());
        menu_view.set_highlighted(0);
-        reload_current();
+        reload_current(true);
    }
 }

@@ -239,30 +339,57 @@ void FileManBaseView::pop_dir() {
        return;

    current_path = current_path.parent_path();
-    reload_current();
+    reload_current(true);
    menu_view.set_highlighted(saved_index_stack.back());
    saved_index_stack.pop_back();
 }

+std::string get_extension(std::string t) {
+    const auto index = t.find_last_of(u'.');
+    if (index == t.npos) {
+        return {};
+    } else {
+        return t.substr(index);
+    }
+}
+
+std::string get_stem(std::string t) {
+    const auto index = t.find_last_of(u'.');
+    if (index == t.npos) {
+        return t;
+    } else {
+        return t.substr(0, index);
+    }
+}
+std::string get_filename(std::string _s) {
+    const auto index = _s.find_last_of("/");
+    if (index == _s.npos) {
+        return _s;
+    } else {
+        return _s.substr(index + 1);
+    }
+}
 void FileManBaseView::refresh_list() {
    if (on_refresh_widgets)
        on_refresh_widgets(false);

-    auto prev_highlight = menu_view.highlighted_index();
+    prev_highlight = menu_view.highlighted_index();
    menu_view.clear();

    for (const auto& entry : entry_list) {
-        auto entry_name = truncate(entry.path, 20);
+        auto entry_name = std::string{entry.path.length() <= 20 ? entry.path : entry.path.substr(0, 20)};

        if (entry.is_directory) {
-            auto size_str =
-                (entry.path == parent_dir_path)
-                    ? ""
-                    : to_string_dec_uint(file_count(current_path / entry.path));
+            std::string size_str{};
+            if (entry.path == str_next || entry.path == str_back) {
+                size_str = to_string_dec_uint(1 + entry.size) + "/" + to_string_dec_uint(nb_pages);  // show computed number of pages
+            } else {
+                size_str = (entry.path == parent_dir_path.string()) ? "" : to_string_dec_uint(file_count(current_path / entry.path));
+            }

            menu_view.add_item(
-                {entry_name + std::string(21 - entry_name.length(), ' ') + size_str,
-                 ui::Color::yellow(),
+                {entry_name.substr(0, max_filename_length) + std::string(21 - entry_name.length(), ' ') + size_str,
+                 Theme::getInstance()->fg_yellow->foreground,
                 &bitmap_icon_dir,
                 [this](KeyEvent key) {
                     if (on_select_entry)
@@ -270,11 +397,11 @@ void FileManBaseView::refresh_list() {
                 }});

        } else {
-            const auto& assoc = get_assoc(entry.path.extension());
+            const auto& assoc = get_assoc(get_extension(entry.path));
            auto size_str = to_string_file_size(entry.size);

            menu_view.add_item(
-                {entry_name + std::string(21 - entry_name.length(), ' ') + size_str,
+                {entry_name.substr(0, max_filename_length) + std::string(21 - entry_name.length(), ' ') + size_str,
                 assoc.color,
                 assoc.icon,
                 [this](KeyEvent key) {
@@ -282,16 +409,13 @@ void FileManBaseView::refresh_list() {
                         on_select_entry(key);
                 }});
        }
-
-        // HACK: Should page menu items instead of limiting the number.
-        if (menu_view.item_count() >= max_items_shown)
-            break;
    }

    menu_view.set_highlighted(prev_highlight);
 }

-void FileManBaseView::reload_current() {
+void FileManBaseView::reload_current(bool reset_pagination) {
+    if (reset_pagination) pagination = 0;
    load_directory_contents(current_path);
    refresh_list();
 }
@@ -327,6 +451,21 @@ FileLoadView::FileLoadView(

    on_select_entry = [this](KeyEvent) {
        if (get_selected_entry().is_directory) {
+            if (get_selected_entry().path == str_full) {
+                return;
+            }
+            if (get_selected_entry().path == str_back) {
+                pagination--;
+                menu_view.set_highlighted(0);
+                reload_current(false);
+                return;
+            }
+            if (get_selected_entry().path == str_next) {
+                pagination++;
+                menu_view.set_highlighted(0);
+                reload_current(false);
+                return;
+            }
            push_dir(get_selected_entry().path);
        } else {
            if (on_changed)
@@ -402,6 +541,7 @@ void FileSaveView::refresh_widgets() {
 void FileManagerView::refresh_widgets(const bool v) {
    button_rename.hidden(v);
    button_delete.hidden(v);
+    button_clean.hidden(v);
    button_cut.hidden(v);
    button_copy.hidden(v);
    button_paste.hidden(v);
@@ -415,10 +555,10 @@ void FileManagerView::on_rename(std::string_view hint) {
    auto& entry = get_selected_entry();

    // Append the hint to the filename stem as a rename suggestion.
-    name_buffer = entry.path.stem().string();
+    name_buffer = get_stem(entry.path);
    if (!hint.empty())
        name_buffer += "_" + std::string{hint};
-    name_buffer += entry.path.extension().string();
+    name_buffer += get_extension(entry.path);

    // Set the rename cursor to before the extension to make renaming simpler.
    uint32_t cursor_pos = (uint32_t)name_buffer.length();
@@ -439,21 +579,21 @@ void FileManagerView::on_rename(std::string_view hint) {
                        auto new_name = renamed_path.replace_extension(partner.extension());
                        rename_file(partner, current_path / new_name);
                    }
-                    reload_current();
+                    reload_current(false);
                });

            if (!has_partner)
-                reload_current();
+                reload_current(false);
        });
 }

 void FileManagerView::on_delete() {
    if (is_directory(get_selected_full_path()) && !is_empty_directory(get_selected_full_path())) {
-        nav_.display_modal("Delete", "Directory not empty!");
+        nav_.display_modal("Delete", " Folder is not empty;\n Use \"Clean\" button to\n empty it first.");
        return;
    }

-    auto name = get_selected_entry().path.filename().string();
+    auto name = get_filename(get_selected_entry().path);
    nav_.push<ModalMessageView>(
        "Delete", "Delete " + name + "\nAre you sure?", YESNO,
        [this](bool choice) {
@@ -465,11 +605,36 @@ void FileManagerView::on_delete() {
                    [this](const fs::path& partner, bool should_delete) {
                        if (should_delete)
                            delete_file(partner);
-                        reload_current();
+                        reload_current(true);
                    });

                if (!has_partner)
-                    reload_current();
+                    reload_current(true);
+            }
+        });
+}
+
+void FileManagerView::on_clean() {
+    if (is_empty_directory(get_selected_full_path())) {
+        nav_.display_modal("Clean", "Folder is Empty;\nUse \"Delete\" button instead\nof \"Clean\" button to delete\nit.");
+        return;
+    }
+
+    auto path_name = is_directory(get_selected_full_path()) ? get_selected_full_path() : get_selected_full_path().parent_path();
+
+    // selected either a single file (delete files in this directory) or a directory that is not empty (del sub files)
+    nav_.push<ModalMessageView>(
+        "Clean", " ALL FILES in this folder\n (excluding sub-folders)\n will be DELETED!\n\n Delete all files?", YESNO,
+        [this, path_name](bool choice) {
+            if (choice) {
+                std::vector<std::filesystem::path> file_list;
+                file_list = scan_root_files(path_name, u"*");
+
+                for (const auto& file_name : file_list) {
+                    std::filesystem::path current_full_path = path_name / file_name;
+                    delete_file(current_full_path);
+                }
+                reload_current(true);
            }
        });
 }
@@ -478,7 +643,7 @@ void FileManagerView::on_new_dir() {
    name_buffer = "";
    text_prompt(nav_, name_buffer, max_filename_length, [this](std::string& dir_name) {
        make_new_directory(current_path / dir_name);
-        reload_current();
+        reload_current(true);
    });
 }

@@ -488,7 +653,10 @@ void FileManagerView::on_paste() {
    fs::filesystem_error result;

    if (clipboard_mode == ClipboardMode::Cut)
-        result = rename_file(clipboard_path, current_path / new_name);
+        if ((current_path / clipboard_path.filename()) == clipboard_path)
+            result = FR_OK;  // Skip paste to avoid renaming if path is unchanged
+        else
+            result = rename_file(clipboard_path, current_path / new_name);

    else if (clipboard_mode == ClipboardMode::Copy)
        result = copy_file(clipboard_path, current_path / new_name);
@@ -499,14 +667,14 @@ void FileManagerView::on_paste() {
    clipboard_path = fs::path{};
    clipboard_mode = ClipboardMode::None;
    menu_view.focus();
-    reload_current();
+    reload_current(true);
 }

 void FileManagerView::on_new_file() {
    name_buffer = "";
    text_prompt(nav_, name_buffer, max_filename_length, [this](std::string& file_name) {
        make_new_file(current_path / file_name);
-        reload_current();
+        reload_current(true);
    });
 }

@@ -528,8 +696,13 @@ bool FileManagerView::handle_file_open() {
        nav_.push<ScreenshotViewer>(path);
        return true;
    } else if (path_iequal(bmp_ext, ext)) {
-        nav_.push<SplashViewer>(path);
-        reload_current();
+        if (path_iequal(current_path, u"/" + splash_dir)) {
+            nav_.push<SplashViewer>(path);  // splash, so load that viewer
+        } else {
+            nav_.push<BMPFileViewer>(path);  // any other bmp
+        }
+
+        reload_current(false);
        return true;
    } else if (path_iequal(rem_ext, ext)) {
        nav_.push<RemoteView>(path);
@@ -541,7 +714,7 @@ bool FileManagerView::handle_file_open() {

 bool FileManagerView::selected_is_valid() const {
    return !entry_list.empty() &&
-           get_selected_entry().path != parent_dir_path;
+           get_selected_entry().path != parent_dir_path.string();
 }

 FileManagerView::FileManagerView(
@@ -560,6 +733,7 @@ FileManagerView::FileManagerView(
        &text_date,
        &button_rename,
        &button_delete,
+        &button_clean,
        &button_cut,
        &button_copy,
        &button_paste,
@@ -572,11 +746,11 @@ FileManagerView::FileManagerView(
    });

    menu_view.on_highlight = [this]() {
-        if (menu_view.highlighted_index() >= max_items_shown - 1) {
-            text_date.set_style(&Styles::red);
+        if (menu_view.highlighted_index() >= max_items_loaded - 1) {  // todo check this if correct
+            text_date.set_style(Theme::getInstance()->fg_red);
            text_date.set("Too many files!");
        } else {
-            text_date.set_style(&Styles::grey);
+            text_date.set_style(Theme::getInstance()->fg_medium);
            if (selected_is_valid())
                text_date.set((is_directory(get_selected_full_path()) ? "Created " : "Modified ") + to_string_FAT_timestamp(file_created_date(get_selected_full_path())));
            else
@@ -587,13 +761,30 @@ FileManagerView::FileManagerView(
    refresh_list();

    on_select_entry = [this](KeyEvent key) {
-        if (key == KeyEvent::Select && get_selected_entry().is_directory) {
-            push_dir(get_selected_entry().path);
-        } else if (key == KeyEvent::Select && handle_file_open()) {
-            return;
-        } else {
-            button_rename.focus();
+        if (key == KeyEvent::Select) {
+            if (get_selected_entry().is_directory) {
+                if (get_selected_entry().path == str_full) {
+                    return;
+                }
+                if (get_selected_entry().path == str_back) {
+                    pagination--;
+                    menu_view.set_highlighted(0);
+                    reload_current(false);
+                    return;
+                }
+                if (get_selected_entry().path == str_next) {
+                    pagination++;
+                    menu_view.set_highlighted(0);
+                    reload_current(false);
+                    return;
+                }
+                push_dir(get_selected_entry().path);
+                return;
+            } else if (handle_file_open()) {
+                return;
+            }
        }
+        button_rename.focus();
    };

    button_rename.on_select = [this]() {
@@ -606,8 +797,13 @@ FileManagerView::FileManagerView(
            on_delete();
    };

+    button_clean.on_select = [this]() {
+        if (selected_is_valid())
+            on_clean();
+    };
+
    button_cut.on_select = [this]() {
-        if (selected_is_valid() && !get_selected_entry().is_directory) {
+        if (selected_is_valid()) {
            clipboard_path = get_selected_full_path();
            clipboard_mode = ClipboardMode::Cut;
        } else
@@ -626,7 +822,7 @@ FileManagerView::FileManagerView(
        if (clipboard_mode != ClipboardMode::None)
            on_paste();
        else
-            nav_.display_modal("Paste", "Cut or copy a file first.");
+            nav_.display_modal("Paste", "    Cut or copy a file,\n  or cut a folder, first.");
    };

    button_new_dir.on_select = [this]() {
@@ -646,7 +842,7 @@ FileManagerView::FileManagerView(
    };

    button_rename_timestamp.on_select = [this]() {
-        if (selected_is_valid() && !get_selected_entry().is_directory) {
+        if (selected_is_valid()) {
            on_rename(::truncate(to_string_timestamp(rtc_time::now()), 8));
        } else
            nav_.display_modal("Timestamp Rename", "Can't rename that.");
@@ -662,7 +858,7 @@ FileManagerView::FileManagerView(

    button_show_hidden_files.on_select = [this]() {
        show_hidden_files = !show_hidden_files;
-        button_show_hidden_files.set_color(show_hidden_files ? Color::green() : Color::dark_grey());
+        button_show_hidden_files.set_color(show_hidden_files ? *Theme::getInstance()->status_active : Theme::getInstance()->bg_dark->background);
        reload_current();
    };
 }
@@ -31,7 +31,7 @@
 namespace ui {

 struct fileman_entry {
-    std::filesystem::path path{};
+    std::string path{};
    uint32_t size{};
    bool is_directory{};
 };
@@ -61,8 +61,12 @@ class FileManBaseView : public View {
    void push_dir(const std::filesystem::path& path);

   protected:
-    static constexpr size_t max_filename_length = 64;
-    static constexpr size_t max_items_shown = 100;
+    uint32_t prev_highlight = 0;
+    uint8_t pagination = 0;
+    uint8_t nb_pages = 1;
+    static constexpr size_t max_filename_length = 20;
+    static constexpr size_t max_items_loaded = 75;  // too memory hungry, so won't sort it
+    static constexpr size_t items_per_page = 20;

    struct file_assoc_t {
        std::filesystem::path extension;
@@ -77,18 +81,20 @@ class FileManBaseView : public View {
        {u".C8", &bitmap_icon_file_iq, ui::Color::dark_cyan()},
        {u".C16", &bitmap_icon_file_iq, ui::Color::dark_cyan()},
        {u".WAV", &bitmap_icon_file_wav, ui::Color::dark_magenta()},
-        {u".PPL", &bitmap_icon_file_iq, ui::Color::white()},  // Playlist/Replay
-        {u".REM", &bitmap_icon_remote, ui::Color::orange()},  // Remote
-        {u"", &bitmap_icon_file, ui::Color::light_grey()}     // NB: Must be last.
+        {u".PPL", &bitmap_icon_file_iq, ui::Color::white()},                  // Playlist/Replay
+        {u".REM", &bitmap_icon_remote, ui::Color::orange()},                  // Remote
+        {u"", &bitmap_icon_file, Theme::getInstance()->fg_light->foreground}  // NB: Must be last.
    };

    std::filesystem::path get_selected_full_path() const;
    const fileman_entry& get_selected_entry() const;

+    int file_count_filtered(const std::filesystem::path& directory);
    void pop_dir();
    void refresh_list();
-    void reload_current();
+    void reload_current(bool reset_pagination = false);
    void load_directory_contents(const std::filesystem::path& dir_path);
+    void load_directory_contents_unordered(const std::filesystem::path& dir_path, size_t file_cnt);
    const file_assoc_t& get_assoc(const std::filesystem::path& ext) const;

    NavigationView& nav_;
@@ -97,17 +103,20 @@ class FileManBaseView : public View {
    std::function<void(KeyEvent)> on_select_entry{nullptr};
    std::function<void(bool)> on_refresh_widgets{nullptr};

+    const std::string str_back{"<--"};
+    const std::string str_next{"-->"};
+    const std::string str_full{"Can't load more.."};
    const std::filesystem::path parent_dir_path{u".."};
    std::filesystem::path current_path{u""};
    std::filesystem::path extension_filter{u""};

-    std::vector<fileman_entry> entry_list{};
+    std::list<fileman_entry> entry_list{};
    std::vector<uint32_t> saved_index_stack{};

    bool show_hidden_files{false};

    Labels labels{
-        {{0, 0}, "Path:", Color::light_grey()}};
+        {{0, 0}, "Path:", Theme::getInstance()->fg_light->foreground}};

    Text text_current{
        {6 * 8, 0 * 8, 24 * 8, 16},
@@ -157,8 +166,8 @@ private:
        std::string buffer_ { };

        Labels labels {
-                { { 0 * 8, 1 * 16 }, "Path:", Color::light_grey() },
-                { { 0 * 8, 6 * 16 }, "Filename:", Color::light_grey() },
+                { { 0 * 8, 1 * 16 }, "Path:", Theme::getInstance()->fg_light->foreground },
+                { { 0 * 8, 6 * 16 }, "Filename:",Theme::getInstance()->fg_light->foreground },
        };

        Text text_path {
@@ -207,6 +216,7 @@ class FileManagerView : public FileManBaseView {
    void refresh_widgets(const bool v);
    void on_rename(std::string_view hint);
    void on_delete();
+    void on_clean();
    void on_paste();
    void on_new_dir();
    void on_new_file();
@@ -224,68 +234,76 @@ class FileManagerView : public FileManBaseView {
        {0 * 8, 29 * 8, 4 * 8, 32},
        {},
        &bitmap_icon_rename,
-        Color::dark_blue()};
+        Theme::getInstance()->fg_blue->foreground};

    NewButton button_delete{
-        {4 * 8, 29 * 8, 4 * 8, 32},
+        {9 * 8, 34 * 8, 4 * 8, 32},
        {},
        &bitmap_icon_trash,
-        Color::red()};
+        Theme::getInstance()->fg_red->foreground};
+
+    NewButton button_clean{
+        {13 * 8, 34 * 8, 4 * 8, 32},
+        {},
+        &bitmap_icon_clean,
+        Theme::getInstance()->fg_red->foreground};

    NewButton button_cut{
        {9 * 8, 29 * 8, 4 * 8, 32},
        {},
        &bitmap_icon_cut,
-        Color::dark_grey()};
+        Theme::getInstance()->fg_dark->foreground};

    NewButton button_copy{
        {13 * 8, 29 * 8, 4 * 8, 32},
        {},
        &bitmap_icon_copy,
-        Color::dark_grey()};
+        Theme::getInstance()->fg_dark->foreground};

    NewButton button_paste{
        {17 * 8, 29 * 8, 4 * 8, 32},
        {},
        &bitmap_icon_paste,
-        Color::dark_grey()};
+        Theme::getInstance()->fg_dark->foreground};

    NewButton button_new_dir{
        {22 * 8, 29 * 8, 4 * 8, 32},
        {},
        &bitmap_icon_new_dir,
-        Color::green()};
+        Theme::getInstance()->fg_green->foreground};

    NewButton button_new_file{
        {26 * 8, 29 * 8, 4 * 8, 32},
        {},
        &bitmap_icon_new_file,
-        Color::green()};
+        Theme::getInstance()->fg_green->foreground};

    NewButton button_open_notepad{
        {0 * 8, 34 * 8, 4 * 8, 32},
        {},
        &bitmap_icon_notepad,
-        Color::orange()};
+        Theme::getInstance()->fg_orange->foreground};

    NewButton button_rename_timestamp{
-        {4 * 8, 34 * 8, 4 * 8, 32},
+
+        {4 * 8, 29 * 8, 4 * 8, 32},
        {},
        &bitmap_icon_options_datetime,
-        Color::orange(),
+        Theme::getInstance()->fg_blue->foreground,
        /*vcenter*/ true};

    NewButton button_open_iq_trim{
-        {9 * 8, 34 * 8, 4 * 8, 32},
+
+        {4 * 8, 34 * 8, 4 * 8, 32},
        {},
        &bitmap_icon_trim,
-        Color::orange()};
+        Theme::getInstance()->fg_orange->foreground};

    NewButton button_show_hidden_files{
-        {13 * 8, 34 * 8, 4 * 8, 32},
+        {17 * 8, 34 * 8, 4 * 8, 32},
        {},
        &bitmap_icon_hide,
-        Color::dark_grey()};
+        Theme::getInstance()->fg_dark->foreground};
 };

 } /* namespace ui */
@@ -21,34 +21,54 @@
 */

 #include "ui_flash_utility.hpp"
-#include "ui_styles.hpp"
 #include "portapack_shared_memory.hpp"
+#include "file_path.hpp"

 namespace ui {

-static const char16_t* firmware_folder = u"/FIRMWARE";
+// Firmware image validation
+static const char* hackrf_magic = "HACKRFFW";
+#define FIRMWARE_INFO_AREA_OFFSET 0x400
+#define FIRST_CHECKSUM_NIGHTLY 240125

 Thread* FlashUtilityView::thread{nullptr};
 static constexpr size_t max_filename_length = 26;

 bool valid_firmware_file(std::filesystem::path::string_type path) {
    File firmware_file;
+    bool require_checksum{false};
    uint32_t read_buffer[128];
-    uint32_t checksum{(uint32_t)~FLASH_EXPECTED_CHECKSUM};  // initializing to invalid checksum in case file can't be read
+    uint32_t checksum{FLASH_CHECKSUM_ERROR};  // initializing to invalid checksum in case file can't be read
+
+    static_assert((FIRMWARE_INFO_AREA_OFFSET % sizeof(read_buffer)) == 0, "Read buffer size must divide evenly into FIRMWARE_INFO_AREA_OFFSET");

    // test read of the whole file just to validate checksum (baseband flash code will re-read when flashing)
    auto result = firmware_file.open(path.c_str());
    if (!result.is_valid()) {
        checksum = 0;
-        for (uint32_t i = 0; i < FLASH_ROM_SIZE / sizeof(read_buffer); i++) {
+        for (uint32_t offset = 0; offset < FLASH_ROM_SIZE; offset += sizeof(read_buffer)) {
            auto readResult = firmware_file.read(&read_buffer, sizeof(read_buffer));

-            // if file is smaller than 1MB, assume it's a downgrade to an old FW version and ignore the checksum
            if ((!readResult) || (readResult.value() != sizeof(read_buffer))) {
-                checksum = FLASH_EXPECTED_CHECKSUM;
+                // File was smaller than 1MB:
+                // If version is such that the file SHOULD have been 1MB, call it a checksum error (otherwise say it's OK).
+                checksum = (require_checksum) ? FLASH_CHECKSUM_ERROR : FLASH_EXPECTED_CHECKSUM;
                break;
            }

+            // Did we just read the firmware info area?
+            if (offset == FIRMWARE_INFO_AREA_OFFSET) {
+                // If there's no info area (missing HACKRFFW signature), it could be an ancient FW version (so skipping check)
+                if (memcmp(read_buffer, hackrf_magic, 8) == 0) {
+                    char* version_string = (char*)&read_buffer[4];
+
+                    // Require a 1MB firmware image with a valid checksum if release version >=v2.x or nightly >n_240125
+                    if (((version_string[0] == 'v') && (std::atoi(&version_string[1]) >= 2)) ||
+                        ((version_string[0] == 'n') && (version_string[1] == '_') && (std::atoi(&version_string[2]) >= FIRST_CHECKSUM_NIGHTLY)))
+                        require_checksum = true;
+                }
+            }
+
            checksum += simple_checksum((uint32_t)read_buffer, sizeof(read_buffer));
        }
    }
@@ -62,30 +82,30 @@ FlashUtilityView::FlashUtilityView(NavigationView& nav)

    menu_view.set_parent_rect({0, 3 * 8, 240, 33 * 8});

-    ensure_directory(firmware_folder);
+    ensure_directory(apps_dir);
+    ensure_directory(firmware_dir);

-    for (const auto& entry : std::filesystem::directory_iterator(firmware_folder, u"*.bin")) {
-        auto filename = entry.path().filename();
-        auto path = entry.path().native();
+    auto add_firmware_items = [&](
+                                  const std::filesystem::path& folder_path,
+                                  const std::filesystem::path& wild,
+                                  ui::Color color) {
+        for (const auto& entry : std::filesystem::directory_iterator(folder_path, wild)) {
+            auto filename = entry.path().filename();
+            auto path = entry.path().native();

-        menu_view.add_item({filename.string().substr(0, max_filename_length),
-                            ui::Color::red(),
-                            &bitmap_icon_temperature,
-                            [this, path](KeyEvent) {
-                                this->firmware_selected(path);
-                            }});
-    }
-    for (const auto& entry : std::filesystem::directory_iterator(firmware_folder, u"*.tar")) {
-        auto filename = entry.path().filename();
-        auto path = entry.path().native();
+            menu_view.add_item({filename.string().substr(0, max_filename_length),
+                                color,
+                                &bitmap_icon_temperature,
+                                [this, path](KeyEvent) {
+                                    this->firmware_selected(path);
+                                }});
+        }
+    };

-        menu_view.add_item({filename.string().substr(0, max_filename_length),
-                            ui::Color::purple(),
-                            &bitmap_icon_temperature,
-                            [this, path](KeyEvent) {
-                                this->firmware_selected(path);
-                            }});
-    }
+    add_firmware_items(firmware_dir, u"*.bin", ui::Theme::getInstance()->fg_red->foreground);
+    add_firmware_items(firmware_dir, u"*.tar", ui::Theme::getInstance()->fg_cyan->foreground);
+
+    // add_firmware_items(user_firmware_folder,u"*.bin", ui::Theme::getInstance()->fg_cyan->foreground);
 }

 void FlashUtilityView::firmware_selected(std::filesystem::path::string_type path) {
@@ -95,7 +115,7 @@ void FlashUtilityView::firmware_selected(std::filesystem::path::string_type path
        YESNO,
        [this, path](bool choice) {
            if (choice) {
-                std::u16string full_path = std::u16string(u"FIRMWARE/") + path;
+                std::filesystem::path::string_type full_path = firmware_dir.native() + u"/" + path;
                this->flash_firmware(full_path);
            }
        });
@@ -114,12 +134,12 @@ std::filesystem::path FlashUtilityView::extract_tar(std::filesystem::path::strin
    //
    painter.fill_rectangle(
        {0, 0, portapack::display.width(), portapack::display.height()},
-        ui::Color::black());
+        Theme::getInstance()->bg_darkest->background);
    painter.draw_string({12, 24}, this->nav_.style(), "Unpacking TAR file...");

    auto res = UnTar::untar(path, [this](const std::string fileName) {
        ui::Painter painter;
-        painter.fill_rectangle({0, 50, portapack::display.width(), 90}, ui::Color::black());
+        painter.fill_rectangle({0, 50, portapack::display.width(), 90}, Theme::getInstance()->bg_darkest->background);
        painter.draw_string({0, 60}, this->nav_.style(), fileName);
    });
    return res;
@@ -133,18 +153,18 @@ bool FlashUtilityView::flash_firmware(std::filesystem::path::string_type path) {
    }

    if (path.empty() || !valid_firmware_file(path.c_str())) {
-        painter.fill_rectangle({0, 50, portapack::display.width(), 90}, ui::Color::black());
-        painter.draw_string({0, 60}, Styles::red, "BAD FIRMWARE FILE");
+        painter.fill_rectangle({0, 50, portapack::display.width(), 90}, Theme::getInstance()->bg_darkest->background);
+        painter.draw_string({0, 60}, *Theme::getInstance()->fg_red, "BAD FIRMWARE FILE OR W/R ERR");
        chThdSleepMilliseconds(5000);
        return false;
    }
    painter.fill_rectangle(
        {0, 0, portapack::display.width(), portapack::display.height()},
-        ui::Color::black());
+        Theme::getInstance()->bg_darkest->background);

    painter.draw_string({12, 24}, this->nav_.style(), "This will take 15 seconds.");
-    painter.draw_string({12, 64}, this->nav_.style(), "Please wait while LEDs RX");
-    painter.draw_string({12, 84}, this->nav_.style(), "and TX are flashing.");
+    painter.draw_string({12, 64}, this->nav_.style(), "Please wait while LED RX");
+    painter.draw_string({12, 84}, this->nav_.style(), "is on and TX is flashing.");
    painter.draw_string({12, 124}, this->nav_.style(), "Device will then restart.");

    std::memcpy(&shared_memory.bb_data.data[0], path.c_str(), (path.length() + 1) * 2);
@@ -157,4 +177,4 @@ void FlashUtilityView::focus() {
    menu_view.focus();
 }

-} /* namespace ui */
+} /* namespace ui */
@@ -35,6 +35,7 @@
 #define FLASH_ROM_SIZE 1048576
 #define FLASH_STARTING_ADDRESS 0x00000000
 #define FLASH_EXPECTED_CHECKSUM 0x00000000
+#define FLASH_CHECKSUM_ERROR 0xFFFFFFFF

 namespace ui {

@@ -56,7 +57,7 @@ class FlashUtilityView : public View {
    static Thread* thread;

    Labels labels{
-        {{4, 4}, "Select firmware to flash:", Color::white()}};
+        {{4, 4}, "Select firmware to flash:", Theme::getInstance()->bg_darkest->foreground}};

    MenuView menu_view{
        {0, 2 * 8, 240, 26 * 8},
@@ -29,8 +29,8 @@
 #include "rtc_time.hpp"
 #include "tone_key.hpp"
 #include "ui_receiver.hpp"
-#include "ui_styles.hpp"
 #include "utility.hpp"
+#include "file_path.hpp"

 #include <memory>

@@ -228,7 +228,7 @@ void FrequencyManagerView::on_edit_freq() {

 void FrequencyManagerView::on_edit_desc() {
    temp_buffer_ = current_entry().description;
-    text_prompt(nav_, temp_buffer_, desc_edit_max, [this](std::string& new_desc) {
+    text_prompt(nav_, temp_buffer_, freqman_max_desc_size, [this](std::string& new_desc) {
        auto entry = current_entry();
        entry.description = std::move(new_desc);
        db_.replace_entry(current_index(), entry);
@@ -415,16 +415,16 @@ void FrequencyEditView::refresh_ui() {
    auto is_repeater = entry_.type == freqman_type::Repeater;
    auto has_freq_b = is_range || is_ham || is_repeater;

-    field_freq_b.set_style(has_freq_b ? &Styles::white : &Styles::grey);
-    field_step.set_style(is_range ? &Styles::white : &Styles::grey);
-    field_tone.set_style(is_ham ? &Styles::white : &Styles::grey);
+    field_freq_b.set_style(has_freq_b ? Theme::getInstance()->bg_darkest : Theme::getInstance()->fg_medium);
+    field_step.set_style(is_range ? Theme::getInstance()->bg_darkest : Theme::getInstance()->fg_medium);
+    field_tone.set_style(is_ham ? Theme::getInstance()->bg_darkest : Theme::getInstance()->fg_medium);

    if (is_valid(entry_)) {
        text_validation.set("Valid");
-        text_validation.set_style(&Styles::green);
+        text_validation.set_style(Theme::getInstance()->fg_green);
    } else {
        text_validation.set("Error");
-        text_validation.set_style(&Styles::red);
+        text_validation.set_style(Theme::getInstance()->fg_red);
    }
 }

@@ -40,8 +40,6 @@ class FreqManBaseView : public View {

    void focus() override;

-    static constexpr size_t desc_edit_max = 0x80;
-
   protected:
    using options_t = OptionsField::options_t;

@@ -63,11 +61,11 @@ class FreqManBaseView : public View {

    /* The top section (category) is 20px tall. */
    Labels label_category{
-        {{0, 2}, "Category:", Color::light_grey()}};
+        {{0, 2}, "F:", Theme::getInstance()->fg_light->foreground}};

    OptionsField options_category{
-        {9 * 8, 2},
-        14 /* length */,
+        {3 * 8, 2},
+        20 /* length */,
        {}};

    FreqManUIList freqlist_view{
@@ -99,7 +97,7 @@ class FrequencySaveView : public FreqManBaseView {
        0};

    Labels labels{
-        {{0 * 8, 6 * 16}, "Description:", Color::white()}};
+        {{0 * 8, 6 * 16}, "Description:", Theme::getInstance()->bg_darkest->foreground}};

    TextField field_description{
        {0 * 8, 7 * 16, 30 * 8, 1 * 16},
@@ -139,14 +137,14 @@ class FrequencyManagerView : public FreqManBaseView {
        {23 * 8, 0 * 16, 7 * 4, 20},
        {},
        &bitmap_icon_new_file,
-        Color::white(),
+        Theme::getInstance()->bg_darkest->foreground,
        true};

    NewButton button_del_category{
        {26 * 8 + 4, 0 * 16, 7 * 4, 20},
        {},
        &bitmap_icon_trash,
-        Color::red(),
+        Theme::getInstance()->fg_red->foreground,
        true};

    Button button_edit_entry{
@@ -155,7 +153,7 @@ class FrequencyManagerView : public FreqManBaseView {

    Rectangle rect_padding{
        {15 * 8, 14 * 16 - 4, 15 * 8, 1 * 16 + 4},
-        Color::grey()};
+        Theme::getInstance()->fg_medium->background};

    Button button_edit_freq{
        {0 * 8, 15 * 16, 15 * 8, 2 * 16},
@@ -169,14 +167,14 @@ class FrequencyManagerView : public FreqManBaseView {
        {15 * 8, 15 * 16, 7 * 8 + 4, 2 * 16},
        {},
        &bitmap_icon_add,
-        Color::white(),
+        Theme::getInstance()->bg_darkest->foreground,
        true};

    NewButton button_del_entry{
        {22 * 8 + 4, 15 * 16, 7 * 8 + 4, 2 * 16},
        {},
        &bitmap_icon_delete,
-        Color::red(),
+        Theme::getInstance()->fg_red->foreground,
        true};
 };

@@ -202,15 +200,15 @@ class FrequencyEditView : public View {
    void populate_tone_options();

    Labels labels{
-        {{5 * 8, 1 * 16}, "Edit Frequency Entry", Color::white()},
-        {{0 * 8, 3 * 16}, "Entry Type :", Color::light_grey()},
-        {{0 * 8, 4 * 16}, "Frequency A:", Color::light_grey()},
-        {{0 * 8, 5 * 16}, "Frequency B:", Color::light_grey()},
-        {{0 * 8, 6 * 16}, "Modulation :", Color::light_grey()},
-        {{0 * 8, 7 * 16}, "Bandwidth  :", Color::light_grey()},
-        {{0 * 8, 8 * 16}, "Step       :", Color::light_grey()},
-        {{0 * 8, 9 * 16}, "Tone Freq  :", Color::light_grey()},
-        {{0 * 8, 10 * 16}, "Description:", Color::light_grey()},
+        {{5 * 8, 1 * 16}, "Edit Frequency Entry", Theme::getInstance()->bg_darkest->foreground},
+        {{0 * 8, 3 * 16}, "Entry Type :", Theme::getInstance()->fg_light->foreground},
+        {{0 * 8, 4 * 16}, "Frequency A:", Theme::getInstance()->fg_light->foreground},
+        {{0 * 8, 5 * 16}, "Frequency B:", Theme::getInstance()->fg_light->foreground},
+        {{0 * 8, 6 * 16}, "Modulation :", Theme::getInstance()->fg_light->foreground},
+        {{0 * 8, 7 * 16}, "Bandwidth  :", Theme::getInstance()->fg_light->foreground},
+        {{0 * 8, 8 * 16}, "Step       :", Theme::getInstance()->fg_light->foreground},
+        {{0 * 8, 9 * 16}, "Tone Freq  :", Theme::getInstance()->fg_light->foreground},
+        {{0 * 8, 10 * 16}, "Description:", Theme::getInstance()->fg_light->foreground},
    };

    OptionsField field_type{
@@ -27,6 +27,7 @@
 #include "portapack_persistent_memory.hpp"
 #include "string_format.hpp"
 #include "utility.hpp"
+#include "file_path.hpp"

 #include "ui_freqman.hpp"

@@ -134,7 +135,7 @@ FskxRxMainView::FskxRxMainView(NavigationView& nav)
    field_frequency.set_value(initial_target_frequency);
    deviation_frequency.set_value(initial_deviation);

-    logger.append(LOG_ROOT_DIR "/FSKRX.TXT");
+    logger.append(logs_dir / u"FSKRX.TXT");

    baseband::set_fsk(initial_deviation);

@@ -30,7 +30,6 @@
 #include "ui_record_view.hpp"
 #include "ui_rssi.hpp"
 #include "ui_spectrum.hpp"
-#include "ui_styles.hpp"
 #include "ui_tabview.hpp"

 #include "app_settings.hpp"
@@ -42,7 +41,7 @@

 class FskRxLogger {
   public:
-    Optional<File::Error> append(const std::string& filename) {
+    Optional<File::Error> append(const std::filesystem::path& filename) {
        return log_file.append(filename);
    }

@@ -117,8 +116,8 @@ class FskxRxMainView : public View {
    FskRxAppConsoleView view_data{nav_, view_rect};

    TabView tab_view{
-        {"Data", Color::yellow(), &view_data},
-        {"Stream", Color::cyan(), &view_stream}};
+        {"Data", Theme::getInstance()->fg_yellow->foreground, &view_data},
+        {"Stream", Theme::getInstance()->fg_cyan->foreground, &view_stream}};

    void refresh_ui(rf::Frequency f);
    void on_packet(uint32_t value, bool is_data);
@@ -148,7 +147,7 @@ class FskxRxMainView : public View {
        {19 * 8 - 4, 40, 6 * 8, 4}};

    Labels labels{
-        {{0 * 8, 3 * 16}, "Deviation:", Color::light_grey()},
+        {{0 * 8, 3 * 16}, "Deviation:", Theme::getInstance()->fg_light->foreground},
    };

    FrequencyField deviation_frequency{
@@ -25,6 +25,7 @@
 #include "complex.hpp"
 #include "portapack.hpp"
 #include "ui_fileman.hpp"
+#include "file_path.hpp"

 using namespace portapack;
 namespace fs = std::filesystem;
@@ -47,14 +48,14 @@ IQTrimView::IQTrimView(NavigationView& nav)

    field_path.on_select = [this](TextField&) {
        auto open_view = nav_.push<FileLoadView>(".C*");
-        open_view->push_dir(u"CAPTURES");
+        open_view->push_dir(captures_dir);
        open_view->on_changed = [this](fs::path path) {
            open_file(path);
        };
    };

-    text_samples.set_style(&Styles::light_grey);
-    text_max.set_style(&Styles::light_grey);
+    text_samples.set_style(Theme::getInstance()->fg_light);
+    text_max.set_style(Theme::getInstance()->fg_light);

    field_start.on_change = [this](int32_t v) {
        if (field_end.value() < v)
@@ -148,9 +149,9 @@ void IQTrimView::refresh_ui() {
    // show max power in red if amplification is too high, causing clipping
    uint32_t clipping_limit = (fs::capture_file_sample_size(path_) == sizeof(complex8_t)) ? 0x80 : 0x8000;
    if ((field_amplify.value() * info_->max_iq) > clipping_limit)
-        text_max.set_style(&Styles::red);
+        text_max.set_style(Theme::getInstance()->fg_red);
    else
-        text_max.set_style(&Styles::light_grey);
+        text_max.set_style(Theme::getInstance()->fg_light);

    set_dirty();
 }
@@ -28,7 +28,6 @@
 #include "optional.hpp"
 #include "ui.hpp"
 #include "ui_navigation.hpp"
-#include "ui_styles.hpp"
 #include "ui_widget.hpp"

 #include <array>
@@ -41,21 +40,21 @@ class TrimProgressUI {
   public:
    void show_reading() {
        clear();
-        p.draw_string({6 * 8, 5 * 16}, Styles::yellow, "Reading Capture...");
+        p.draw_string({6 * 8, 5 * 16}, *Theme::getInstance()->fg_yellow, "Reading Capture...");
    }

    void show_trimming() {
        clear();
-        p.draw_string({5 * 8, 5 * 16}, Styles::yellow, "Trimming Capture...");
+        p.draw_string({5 * 8, 5 * 16}, *Theme::getInstance()->fg_yellow, "Trimming Capture...");
    }

    void show_progress(uint8_t percent) {
        auto width = percent * screen_width / 100;
-        p.draw_hline({0, 6 * 16 + 2}, width, Color::yellow());
+        p.draw_hline({0, 6 * 16 + 2}, width, Theme::getInstance()->fg_yellow->foreground);
    }

    void clear() {
-        p.fill_rectangle({0 * 8, 4 * 16, screen_width, 3 * 16}, Color::black());
+        p.fill_rectangle({0 * 8, 4 * 16, screen_width, 3 * 16}, Theme::getInstance()->bg_darkest->background);
    }

    auto get_callback() {
@@ -101,15 +100,15 @@ class IQTrimView : public View {
    TrimProgressUI progress_ui{};

    Labels labels{
-        {{0 * 8, 0 * 16}, "Capture File:", Color::light_grey()},
-        {{0 * 8, 6 * 16}, "Start  :", Color::light_grey()},
-        {{0 * 8, 7 * 16}, "End    :", Color::light_grey()},
-        {{0 * 8, 8 * 16}, "Samples:", Color::light_grey()},
-        {{0 * 8, 9 * 16}, "Max Pwr:", Color::light_grey()},
-        {{0 * 8, 10 * 16}, "Cutoff :", Color::light_grey()},
-        {{12 * 8, 10 * 16}, "%", Color::light_grey()},
-        {{0 * 8, 12 * 16}, "Amplify:", Color::light_grey()},
-        {{10 * 8, 12 * 16}, "x", Color::light_grey()},
+        {{0 * 8, 0 * 16}, "Capture File:", Theme::getInstance()->fg_light->foreground},
+        {{0 * 8, 6 * 16}, "Start  :", Theme::getInstance()->fg_light->foreground},
+        {{0 * 8, 7 * 16}, "End    :", Theme::getInstance()->fg_light->foreground},
+        {{0 * 8, 8 * 16}, "Samples:", Theme::getInstance()->fg_light->foreground},
+        {{0 * 8, 9 * 16}, "Max Pwr:", Theme::getInstance()->fg_light->foreground},
+        {{0 * 8, 10 * 16}, "Cutoff :", Theme::getInstance()->fg_light->foreground},
+        {{12 * 8, 10 * 16}, "%", Theme::getInstance()->fg_light->foreground},
+        {{0 * 8, 12 * 16}, "Amplify:", Theme::getInstance()->fg_light->foreground},
+        {{10 * 8, 12 * 16}, "x", Theme::getInstance()->fg_light->foreground},
    };

    TextField field_path{
@@ -27,6 +27,7 @@
 #include "baseband_api.hpp"
 #include "file.hpp"
 #include "oversample.hpp"
+#include "ui_font_fixed_8x16.hpp"

 using namespace portapack;
 using namespace tonekey;
@@ -34,11 +35,37 @@ using portapack::memory::map::backup_ram;

 namespace ui {

+// Function to map the value from one range to another
+int32_t LevelView::map(int32_t value, int32_t fromLow, int32_t fromHigh, int32_t toLow, int32_t toHigh) {
+    return toLow + (value - fromLow) * (toHigh - toLow) / (fromHigh - fromLow);
+}
+
+void LevelView::m4_manage_stat_update() {
+    if (audio_mode) {
+        if (radio_mode == WFM_MODULATION || radio_mode == SPEC_MODULATION) {
+            shared_memory.request_m4_performance_counter = 1;
+        } else {
+            shared_memory.request_m4_performance_counter = 2;
+        }
+        if (radio_mode == SPEC_MODULATION) {
+            beep = true;
+        }
+    } else {
+        shared_memory.request_m4_performance_counter = 2;
+        if (radio_mode == SPEC_MODULATION) {
+            beep = false;
+            baseband::request_beep_stop();
+        }
+    }
+}
+
 void LevelView::focus() {
    button_frequency.focus();
 }

 LevelView::~LevelView() {
+    // reset performance counters request to default
+    shared_memory.request_m4_performance_counter = 0;
    receiver_model.disable();
    baseband::shutdown();
 }
@@ -58,16 +85,17 @@ LevelView::LevelView(NavigationView& nav)
                  &text_ctcss,
                  &freq_stats_rssi,
                  &freq_stats_db,
-                  &audio_mode,
+                  &freq_stats_rx,
+                  &text_beep_squelch,
+                  &field_beep_squelch,
+                  &field_audio_mode,
                  &peak_mode,
                  &rssi,
                  &rssi_graph});

+    // activate vertical bar mode
    rssi.set_vertical_rssi(true);

-    change_mode(NFM_MODULATION);              // Start on AM
-    field_mode.set_by_value(NFM_MODULATION);  // Reflect the mode into the manual selector
-
    freq_ = receiver_model.target_frequency();
    button_frequency.set_text("<" + to_string_short_freq(freq_) + " MHz>");

@@ -80,6 +108,11 @@ LevelView::LevelView(NavigationView& nav)
        };
    };

+    field_beep_squelch.set_value(beep_squelch);
+    field_beep_squelch.on_change = [this](int32_t v) {
+        beep_squelch = v;
+    };
+
    button_frequency.on_change = [this]() {
        int64_t def_step = freqman_entry_get_step_value(step_mode.selected_index());
        freq_ = freq_ + (button_frequency.get_encoder_delta() * def_step);
@@ -95,17 +128,14 @@ LevelView::LevelView(NavigationView& nav)
        button_frequency.set_text("<" + to_string_short_freq(freq_) + " MHz>");
    };

+    freqman_set_modulation_option(field_mode);
    field_mode.on_change = [this](size_t, OptionsField::value_t v) {
        if (v != -1) {
-            receiver_model.disable();
-            baseband::shutdown();
            change_mode(v);
-            if (audio_mode.selected_index() != 0) {
-                audio::output::start();
-            }
-            receiver_model.enable();
        }
    };
+    field_mode.set_by_value(radio_mode);  // Reflect the mode into the manual selector
+    field_bw.set_selected_index(radio_bw);

    rssi_resolution.on_change = [this](size_t, OptionsField::value_t v) {
        if (v != -1) {
@@ -113,15 +143,18 @@ LevelView::LevelView(NavigationView& nav)
        }
    };

-    audio_mode.on_change = [this](size_t, OptionsField::value_t v) {
+    field_audio_mode.on_change = [this](size_t, OptionsField::value_t v) {
+        audio_mode = v;
        if (v == 0) {
            audio::output::stop();
        } else if (v == 1) {
+            audio::set_rate(audio_sampling_rate);
            audio::output::start();
            receiver_model.set_headphone_volume(receiver_model.headphone_volume());  // WM8731 hack.
-        } else {
        }
+        m4_manage_stat_update();  // rx_sat hack
    };
+    field_audio_mode.set_selected_index(audio_mode);

    peak_mode.on_change = [this](size_t, OptionsField::value_t v) {
        if (v == 0) {
@@ -135,17 +168,18 @@ LevelView::LevelView(NavigationView& nav)
    peak_mode.set_selected_index(2);
    rssi_resolution.set_selected_index(1);
    // FILL STEP OPTIONS
-    freqman_set_modulation_option(field_mode);
    freqman_set_step_option_short(step_mode);
-    freq_stats_rssi.set_style(&Styles::white);
-    freq_stats_db.set_style(&Styles::white);
+    freq_stats_rssi.set_style(Theme::getInstance()->bg_darkest);
+    freq_stats_db.set_style(Theme::getInstance()->bg_darkest);
+    freq_stats_rx.set_style(Theme::getInstance()->bg_darkest);
 }

 void LevelView::on_statistics_update(const ChannelStatistics& statistics) {
-    static int16_t last_max_db = -1000;
-    static int16_t last_min_rssi = -1000;
-    static int16_t last_avg_rssi = -1000;
-    static int16_t last_max_rssi = -1000;
+    static int16_t last_max_db = 0;
+    static uint8_t last_min_rssi = 0;
+    static uint8_t last_avg_rssi = 0;
+    static uint8_t last_max_rssi = 0;
+    static uint8_t last_rx_sat = 0;

    rssi_graph.add_values(rssi.get_min(), rssi.get_avg(), rssi.get_max(), statistics.max_db);

@@ -159,51 +193,99 @@ void LevelView::on_statistics_update(const ChannelStatistics& statistics) {
        last_min_rssi = rssi_graph.get_graph_min();
        last_avg_rssi = rssi_graph.get_graph_avg();
        last_max_rssi = rssi_graph.get_graph_max();
-        freq_stats_rssi.set("RSSI: " + to_string_dec_int(last_min_rssi) + "/" + to_string_dec_int(last_avg_rssi) + "/" + to_string_dec_int(last_max_rssi) + ",dt: " + to_string_dec_int(rssi_graph.get_graph_delta()));
+        freq_stats_rssi.set("RSSI: " + to_string_dec_uint(last_min_rssi) + "/" + to_string_dec_uint(last_avg_rssi) + "/" + to_string_dec_uint(last_max_rssi));
    }
+
+    if (beep && statistics.max_db > beep_squelch) {
+        baseband::request_audio_beep(map(statistics.max_db, -100, 20, 400, 2600), 24000, 150);
+    }
+
+    // refresh sat
+    if (radio_mode == SPEC_MODULATION || (radio_mode == WFM_MODULATION && audio_mode == 1)) {
+        Style style_freq_stats_rx{
+            .font = font::fixed_8x16,
+            .background = {55, 55, 55},
+            .foreground = {155, 155, 155},
+        };
+        freq_stats_rx.set_style(&style_freq_stats_rx);
+        freq_stats_rx.set("RxSat off");
+        return;
+    }
+    uint8_t rx_sat = ((uint32_t)shared_memory.m4_performance_counter) * 100 / 127;
+    if (last_rx_sat != rx_sat) {
+        last_rx_sat = rx_sat;
+
+        uint8_t br = 0;
+        uint8_t bg = 0;
+        uint8_t bb = 0;
+        if (rx_sat <= 80) {
+            bg = (255 * rx_sat) / 80;
+            bb = 255 - bg;
+        } else if (rx_sat > 80) {
+            br = (255 * (rx_sat - 80)) / 20;
+            bg = 255 - br;
+        }
+        Style style_freq_stats_rx{
+            .font = font::fixed_8x16,
+            .background = {br, bg, bb},
+            .foreground = {255, 255, 255},
+        };
+        freq_stats_rx.set_style(&style_freq_stats_rx);
+        freq_stats_rx.set("RxSat: " + to_string_dec_uint(rx_sat) + "%");
+    }
+
 } /* on_statistic_updates */

 size_t LevelView::change_mode(freqman_index_t new_mod) {
    field_bw.on_change = [this](size_t n, OptionsField::value_t) { (void)n; };

+    radio_mode = new_mod;
+
+    audio::output::stop();
+    receiver_model.disable();
+    baseband::shutdown();
+
    switch (new_mod) {
        case AM_MODULATION:
+            audio_sampling_rate = audio::Rate::Hz_12000;
            freqman_set_bandwidth_option(new_mod, field_bw);
            baseband::run_image(portapack::spi_flash::image_tag_am_audio);
            receiver_model.set_modulation(ReceiverModel::Mode::AMAudio);
-            receiver_model.set_am_configuration(field_bw.selected_index_value());
-            field_bw.on_change = [this](size_t, OptionsField::value_t n) { receiver_model.set_am_configuration(n); };
            // bw DSB (0) default
            field_bw.set_by_value(0);
-            text_ctcss.set("             ");
+            receiver_model.set_am_configuration(0);
+            field_bw.on_change = [this](size_t index, OptionsField::value_t n) { radio_bw = index ; receiver_model.set_am_configuration(n); };
            break;
        case NFM_MODULATION:
+            audio_sampling_rate = audio::Rate::Hz_24000;
            freqman_set_bandwidth_option(new_mod, field_bw);
            baseband::run_image(portapack::spi_flash::image_tag_nfm_audio);
            receiver_model.set_modulation(ReceiverModel::Mode::NarrowbandFMAudio);
            receiver_model.set_nbfm_configuration(field_bw.selected_index_value());
-            field_bw.on_change = [this](size_t, OptionsField::value_t n) { receiver_model.set_nbfm_configuration(n); };
            // bw 16k (2) default
            field_bw.set_by_value(2);
+            field_bw.on_change = [this](size_t index, OptionsField::value_t n) { radio_bw = index ; receiver_model.set_nbfm_configuration(n); };
            break;
        case WFM_MODULATION:
+            audio_sampling_rate = audio::Rate::Hz_48000;
            freqman_set_bandwidth_option(new_mod, field_bw);
            baseband::run_image(portapack::spi_flash::image_tag_wfm_audio);
            receiver_model.set_modulation(ReceiverModel::Mode::WidebandFMAudio);
            receiver_model.set_wfm_configuration(field_bw.selected_index_value());
-            field_bw.on_change = [this](size_t, OptionsField::value_t n) { receiver_model.set_wfm_configuration(n); };
-            // bw 200k (0) only/default
+            // bw 200k (0) default
            field_bw.set_by_value(0);
-            text_ctcss.set("             ");
+            field_bw.on_change = [this](size_t index, OptionsField::value_t n) { radio_bw = index ; receiver_model.set_wfm_configuration(n); };
            break;
        case SPEC_MODULATION:
+            audio_sampling_rate = audio::Rate::Hz_24000;
            freqman_set_bandwidth_option(new_mod, field_bw);
            baseband::run_image(portapack::spi_flash::image_tag_capture);
            receiver_model.set_modulation(ReceiverModel::Mode::Capture);
-            field_bw.on_change = [this](size_t, OptionsField::value_t sampling_rate) {
+            // 12k5 (0) default
+            field_bw.on_change = [this](size_t index, OptionsField::value_t sampling_rate) {
+                radio_bw = index;
                // Baseband needs to know the desired sampling and oversampling rates.
                baseband::set_sample_rate(sampling_rate, get_oversample_rate(sampling_rate));
-
                // The radio needs to know the effective sampling rate.
                auto actual_sampling_rate = get_actual_sample_rate(sampling_rate);
                receiver_model.set_sampling_rate(actual_sampling_rate);
@@ -218,6 +300,18 @@ size_t LevelView::change_mode(freqman_index_t new_mod) {
        receiver_model.set_sampling_rate(3072000);
        receiver_model.set_baseband_bandwidth(1750000);
    }
+    if (new_mod != NFM_MODULATION) {
+        text_ctcss.set("             ");
+    }
+
+    m4_manage_stat_update();  // rx_sat hack
+
+    if (audio_mode) {
+        audio::set_rate(audio_sampling_rate);
+        audio::output::start();
+        receiver_model.set_headphone_volume(receiver_model.headphone_volume());  // WM8731 hack.
+    }
+    receiver_model.enable();

    return step_mode.selected_index();
 }
@@ -229,4 +323,9 @@ void LevelView::handle_coded_squelch(const uint32_t value) {
        text_ctcss.set("        ");
 }

+void LevelView::on_freqchg(int64_t freq) {
+    receiver_model.set_target_frequency(freq);
+    button_frequency.set_text("<" + to_string_short_freq(freq) + " MHz>");
+}
+
 } /* namespace ui */
@@ -38,7 +38,6 @@
 #include "ui_mictx.hpp"
 #include "ui_receiver.hpp"
 #include "ui_spectrum.hpp"
-#include "ui_styles.hpp"

 namespace ui {

@@ -55,20 +54,34 @@ class LevelView : public View {
    NavigationView& nav_;

    RxRadioState radio_state_{};
-    app_settings::SettingsManager settings_{
-        "rx_level", app_settings::Mode::RX};

+    int32_t map(int32_t value, int32_t fromLow, int32_t fromHigh, int32_t toLow, int32_t toHigh);
    size_t change_mode(freqman_index_t mod_type);
    void on_statistics_update(const ChannelStatistics& statistics);
    void set_display_freq(int64_t freq);
+    void m4_manage_stat_update();  // to finely adjust the RxSaturation usage

-    // TODO: needed?
-    int32_t db{0};
    rf::Frequency freq_ = {0};
+    bool beep = false;
+    uint8_t radio_mode = 0;
+    uint8_t radio_bw = 0;
+    uint8_t audio_mode = 0;
+    int32_t beep_squelch = 0;
+    audio::Rate audio_sampling_rate = audio::Rate::Hz_48000;
+
+    app_settings::SettingsManager settings_{
+        "rx_level",
+        app_settings::Mode::RX,
+        {
+            {"beep_squelch"sv, &beep_squelch},
+            {"audio_mode"sv, &audio_mode},
+            {"radio_mode"sv, &radio_mode},
+            {"radio_bw"sv, &radio_bw},
+        }};

    Labels labels{
-        {{0 * 8, 0 * 16}, "LNA:   VGA:   AMP:  VOL:     ", Color::light_grey()},
-        {{0 * 8, 1 * 16}, "BW:       MODE:    S:   ", Color::light_grey()},
+        {{0 * 8, 0 * 16}, "LNA:   VGA:   AMP:  VOL:     ", Theme::getInstance()->fg_light->foreground},
+        {{0 * 8, 1 * 16}, "BW:       MODE:    S:   ", Theme::getInstance()->fg_light->foreground},
    };

    LNAGainField field_lna{
@@ -102,28 +115,32 @@ class LevelView : public View {
        {0 * 8, 2 * 16 + 8, 15 * 8, 1 * 8},
        ""};

-    OptionsField audio_mode{
+    OptionsField field_audio_mode{
        {21 * 8, 1 * 16},
        9,
-        {
-            {"audio off", 0},
-            {"audio on", 1}
-            //{"tone on", 2},
-            //{"tone off", 3},
-        }};
+        {{"audio off", 0},
+         {"audio on", 1}}};

-    Text text_ctcss{
-        {22 * 8, 3 * 16 + 4, 8 * 8, 1 * 8},
-        ""};
+    Text text_beep_squelch{
+        {21 * 8, 3 * 16 + 4, 4 * 8, 1 * 8},
+        "Bip>"};

-    // RSSI: XX/XX/XXX,dt: XX
+    NumberField field_beep_squelch{
+        {25 * 8, 3 * 16 + 4},
+        4,
+        {-100, 20},
+        1,
+        ' ',
+    };
+
+    // RSSI: XX/XX/XXX
    Text freq_stats_rssi{
-        {0 * 8, 3 * 16 + 4, 22 * 8, 14},
+        {0 * 8, 3 * 16 + 4, 15 * 8, 1 * 16},
    };

    // Power: -XXX db
    Text freq_stats_db{
-        {0 * 8, 4 * 16 + 4, 14 * 8, 14},
+        {0 * 8, 4 * 16 + 4, 15 * 8, 1 * 16},
    };

    OptionsField peak_mode{
@@ -138,6 +155,7 @@ class LevelView : public View {
            {"peak:5s", 5000},
            {"peak:10s", 10000},
        }};
+
    OptionsField rssi_resolution{
        {44 + 20 * 8, 4 * 16 + 4},
        4,
@@ -149,18 +167,36 @@ class LevelView : public View {
            {"240x", 240},
        }};

+    // RxSat: XX%
+    Text freq_stats_rx{
+        {0 * 8, 5 * 16 + 4, 10 * 8, 1 * 16},
+    };
+
+    Text text_ctcss{
+        {12 * 8, 5 * 16 + 4, 8 * 8, 1 * 8},
+        ""};
+
    RSSIGraph rssi_graph{
        // 240x320  =>
-        {0, 5 * 16 + 4, 240 - 5 * 8, 320 - (5 * 16 + 4)},
+        {0, 6 * 16 + 8, 240 - 5 * 8, 320 - (6 * 16)},
    };

    RSSI rssi{
        // 240x320  =>
-        {240 - 5 * 8, 5 * 16 + 4, 5 * 8, 320 - (5 * 16 + 4)},
+        {240 - 5 * 8, 6 * 16 + 8, 5 * 8, 320 - (6 * 16)},
    };

    void handle_coded_squelch(const uint32_t value);

+    void on_freqchg(int64_t freq);
+
+    MessageHandlerRegistration message_handler_freqchg{
+        Message::ID::FreqChangeCommand,
+        [this](Message* const p) {
+            const auto message = static_cast<const FreqChangeCommandMessage*>(p);
+            this->on_freqchg(message->freq);
+        }};
+
    MessageHandlerRegistration message_handler_coded_squelch{
        Message::ID::CodedSquelch,
        [this](const Message* const p) {
@@ -25,6 +25,8 @@
 #include "convert.hpp"
 #include "file_reader.hpp"
 #include "string_format.hpp"
+#include "audio.hpp"
+#include "file_path.hpp"

 using namespace portapack;

@@ -34,11 +36,39 @@ void GlassView::focus() {
 }

 GlassView::~GlassView() {
+    audio::output::stop();
    receiver_model.set_sampling_rate(3072000);  // Just a hack to avoid hanging other apps
    receiver_model.disable();
    baseband::shutdown();
 }

+// Function to map the value from one range to another
+int32_t GlassView::map(int32_t value, int32_t fromLow, int32_t fromHigh, int32_t toLow, int32_t toHigh) {
+    return toLow + (value - fromLow) * (toHigh - toLow) / (fromHigh - fromLow);
+}
+
+void GlassView::update_display_beep() {
+    if (beep_enabled) {
+        button_beep_squelch.set_style(Theme::getInstance()->fg_green);
+        // bip-XXdb
+        button_beep_squelch.set_text("bip" + to_string_dec_int(beep_squelch, 3) + "db");
+        receiver_model.set_headphone_volume(receiver_model.headphone_volume());  // WM8731 hack.
+    } else {
+        button_beep_squelch.set_style(Theme::getInstance()->bg_darkest);
+        button_beep_squelch.set_text("bip OFF ");
+    }
+}
+
+void GlassView::manage_beep_audio() {
+    if (beep_enabled) {
+        audio::set_rate(audio::Rate::Hz_24000);
+        audio::output::start();
+    } else {
+        baseband::request_beep_stop();
+        audio::output::stop();
+    }
+}
+
 void GlassView::get_max_power(const ChannelSpectrum& spectrum, uint8_t bin, uint8_t& max_power) {
    if (mode == LOOKING_GLASS_SINGLEPASS) {
        // <20MHz spectrum mode
@@ -173,6 +203,8 @@ void GlassView::on_channel_spectrum(const ChannelSpectrum& spectrum) {
    // we actually need SCREEN_W (240) of those bins
    for (uint8_t bin = 0; bin < bin_length; bin++) {
        get_max_power(spectrum, bin, max_power);
+        if (max_power > range_max_power)
+            range_max_power = max_power;
        // process dc spike if enable
        if (bin == 119) {
            uint8_t next_max_power = 0;
@@ -184,14 +216,21 @@ void GlassView::on_channel_spectrum(const ChannelSpectrum& spectrum) {
            }
        }
        // process actual bin
-        if (process_bins(&max_power) == true)
+        if (process_bins(&max_power)) {
+            int8_t power = map(range_max_power, 0, 255, -100, 20);
+            if (power >= beep_squelch) {
+                baseband::request_audio_beep(map(range_max_power, 0, 256, 400, 2600), 24000, 250);
+            }
+            range_max_power = 0;
            return;  // new line signaled, return
+        }
    }
    if (mode != LOOKING_GLASS_SINGLEPASS) {
        f_center += looking_glass_step;
        retune();
-    } else
+    } else {
        baseband::spectrum_streaming_start();
+    }
 }

 void GlassView::on_hide() {
@@ -266,10 +305,10 @@ void GlassView::plot_marker(uint8_t pos) {
    {
        shift_y = 16;
    }
-    portapack::display.fill_rectangle({0, 100 + shift_y, SCREEN_W, 8}, Color::black());  // Clear old marker and whole marker rectangle btw
-    portapack::display.fill_rectangle({pos - 2, 100 + shift_y, 5, 3}, Color::red());     // Red marker top
-    portapack::display.fill_rectangle({pos - 1, 103 + shift_y, 3, 3}, Color::red());     // Red marker middle
-    portapack::display.fill_rectangle({pos, 106 + shift_y, 1, 2}, Color::red());         // Red marker bottom
+    portapack::display.fill_rectangle({0, 100 + shift_y, SCREEN_W, 8}, Theme::getInstance()->bg_darkest->background);  // Clear old marker and whole marker rectangle btw
+    portapack::display.fill_rectangle({pos - 2, 100 + shift_y, 5, 3}, Theme::getInstance()->fg_red->foreground);       // Red marker top
+    portapack::display.fill_rectangle({pos - 1, 103 + shift_y, 3, 3}, Theme::getInstance()->fg_red->foreground);       // Red marker middle
+    portapack::display.fill_rectangle({pos, 106 + shift_y, 1, 2}, Theme::getInstance()->fg_red->foreground);           // Red marker bottom
 }

 void GlassView::update_min(int32_t v) {
@@ -308,10 +347,10 @@ void GlassView::update_max(int32_t v) {

 void GlassView::update_range_field() {
    if (!locked_range) {
-        field_range.set_style(&Styles::white);
+        field_range.set_style(Theme::getInstance()->bg_darkest);
        field_range.set_text(" " + to_string_dec_uint(search_span) + " ");
    } else {
-        field_range.set_style(&Styles::red);
+        field_range.set_style(Theme::getInstance()->fg_red);
        field_range.set_text(">" + to_string_dec_uint(search_span) + "<");
    }
 }
@@ -327,17 +366,20 @@ GlassView::GlassView(
                  &field_lna,
                  &field_vga,
                  &field_range,
-                  &steps_config,
+                  //&steps_config,
                  &scan_type,
                  &view_config,
                  &level_integration,
+                  &field_volume,
                  &filter_config,
                  &field_rf_amp,
                  &range_presets,
+                  &button_beep_squelch,
                  &field_marker,
                  &field_trigger,
                  &button_jump,
                  &button_rst,
+                  &field_rx_iq_phase_cal,
                  &freq_stats});

    load_presets();  // Load available presets from TXT files (or default).
@@ -369,12 +411,12 @@ GlassView::GlassView(
        };
    };

-    steps_config.on_change = [this](size_t, OptionsField::value_t v) {
+    /*steps_config.on_change = [this](size_t, OptionsField::value_t v) {
        field_frequency_min.set_step(v);
        field_frequency_max.set_step(v);
        steps = v;
    };
-    steps_config.set_selected_index(0);  // 1 Mhz step.
+    steps_config.set_selected_index(0);  // 1 Mhz step.*/

    scan_type.on_change = [this](size_t, OptionsField::value_t v) {
        mode = v;
@@ -474,6 +516,13 @@ GlassView::GlassView(
        reset_live_view();
    };

+    field_rx_iq_phase_cal.set_range(0, hackrf_r9 ? 63 : 31);                 // max2839 has 6 bits [0..63],  max2837 has 5 bits [0..31]
+    field_rx_iq_phase_cal.set_value(get_spec_iq_phase_calibration_value());  // using  accessor function of AnalogAudioView to read iq_phase_calibration_value from rx_audio.ini
+    field_rx_iq_phase_cal.on_change = [this](int32_t v) {
+        set_spec_iq_phase_calibration_value(v);  // using  accessor function of AnalogAudioView to write inside SPEC submenu, register value to max283x and save it to rx_audio.ini
+    };
+    set_spec_iq_phase_calibration_value(get_spec_iq_phase_calibration_value());  // initialize iq_phase_calibration in radio
+
    display.scroll_set_area(109, 319);

    // trigger:
@@ -489,11 +538,52 @@ GlassView::GlassView(
    receiver_model.set_baseband_bandwidth(looking_glass_bandwidth);  // possible values: 1.75/2.5/3.5/5/5.5/6/7/8/9/10/12/14/15/20/24/28MHz
    receiver_model.set_squelch_level(0);
    receiver_model.enable();
+
+    button_beep_squelch.on_select = [this](ButtonWithEncoder& button) {
+        (void)button;
+        beep_enabled = 1 - beep_enabled;
+        manage_beep_audio();
+        update_display_beep();
+    };
+
+    button_beep_squelch.on_change = [this]() {
+        int new_beep_squelch = beep_squelch + button_beep_squelch.get_encoder_delta();
+        if (new_beep_squelch < -99)
+            new_beep_squelch = -99;
+        if (new_beep_squelch > 20)
+            new_beep_squelch = 20;
+        beep_squelch = new_beep_squelch;
+        button_beep_squelch.set_encoder_delta(0);
+        update_display_beep();
+    };
+
+    manage_beep_audio();
+    update_display_beep();
+}
+
+void GlassView::on_freqchg(int64_t freq) {
+    int64_t half_range = abs(field_frequency_max.value() - field_frequency_max.value()) / 2;
+    if (half_range < 1) {
+        half_range = 1;
+    }
+    range_presets.set_selected_index(0);  // Manual
+    update_min(freq - half_range);
+    update_max(freq + half_range);
+    on_range_changed();
+}
+
+uint8_t GlassView::get_spec_iq_phase_calibration_value() {  // define accessor functions inside AnalogAudioView to read & write real iq_phase_calibration_value
+    return iq_phase_calibration_value;
+}
+
+void GlassView::set_spec_iq_phase_calibration_value(uint8_t cal_value) {  // define accessor functions
+    iq_phase_calibration_value = cal_value;
+    radio::set_rx_max283x_iq_phase_calibration(iq_phase_calibration_value);
 }

 void GlassView::load_presets() {
    File presets_file;
-    auto error = presets_file.open("LOOKINGGLASS/PRESETS.TXT");
+    auto error = presets_file.open(looking_glass_dir / u"PRESETS.TXT");
    presets_db.clear();

    // Add the "Manual" entry.
@@ -33,7 +33,6 @@
 #include "ui_widget.hpp"
 #include "ui_navigation.hpp"
 #include "ui_receiver.hpp"
-#include "ui_styles.hpp"
 #include "string_format.hpp"
 #include "analog_audio_app.hpp"
 #include "spectrum_color_lut.hpp"
@@ -69,6 +68,9 @@ class GlassView : public View {
    void on_hide() override;
    void focus() override;

+    uint8_t get_spec_iq_phase_calibration_value();
+    void set_spec_iq_phase_calibration_value(uint8_t cal_value);
+
   private:
    NavigationView& nav_;
    RxRadioState radio_state_{ReceiverModel::Mode::SpectrumAnalysis};
@@ -79,8 +81,11 @@ class GlassView : public View {
    uint8_t filter_index = 0;  // OFF
    uint8_t trigger = 32;
    uint8_t mode = LOOKING_GLASS_FASTSCAN;
-    uint8_t live_frequency_view = 0;       // Spectrum
-    uint8_t live_frequency_integrate = 3;  // Default (3 * old value + new_value) / 4
+    uint8_t live_frequency_view = 0;         // Spectrum
+    uint8_t live_frequency_integrate = 3;    // Default (3 * old value + new_value) / 4
+    uint8_t iq_phase_calibration_value{15};  // initial default RX IQ phase calibration value , used for both max2837 & max2839
+    int32_t beep_squelch = 20;               // range from -100 to +20, >=20 disabled
+    bool beep_enabled = false;               // activate on bip button click
    app_settings::SettingsManager settings_{
        "rx_glass"sv,
        app_settings::Mode::RX,
@@ -93,6 +98,9 @@ class GlassView : public View {
            {"scan_mode"sv, &mode},
            {"freq_view"sv, &live_frequency_view},
            {"freq_integrate"sv, &live_frequency_integrate},
+            {"iq_phase_calibration"sv, &iq_phase_calibration_value},  // we are saving and restoring that CAL from Settings.
+            {"beep_squelch"sv, &beep_squelch},
+            {"beep_enabled"sv, &beep_enabled},
        }};

    struct preset_entry {
@@ -101,7 +109,11 @@ class GlassView : public View {
        std::string label{};
    };

+    void on_freqchg(int64_t freq);
+    int32_t map(int32_t value, int32_t fromLow, int32_t fromHigh, int32_t toLow, int32_t toHigh);
    std::vector<preset_entry> presets_db{};
+    void manage_beep_audio();
+    void update_display_beep();
    void update_min(int32_t v);
    void update_max(int32_t v);
    void update_range_field();
@@ -148,6 +160,8 @@ class GlassView : public View {
    int32_t steps = 1;
    bool locked_range = false;

+    uint8_t range_max_power = 0;
+    uint8_t range_max_power_counter = 0;
    uint8_t max_power = 0;
    rf::Frequency max_freq_hold = 0;
    rf::Frequency last_max_freq = 0;
@@ -157,11 +171,12 @@ class GlassView : public View {
    uint8_t ignore_dc = 0;

    Labels labels{
-        {{0, 0 * 16}, "MIN:     MAX:     LNA   VGA  ", Color::light_grey()},
-        {{0, 1 * 16}, "RANGE:       FILTER:     AMP:", Color::light_grey()},
-        {{0, 2 * 16}, "PRESET:", Color::light_grey()},
-        {{0, 3 * 16}, "MARKER:          MHz", Color::light_grey()},
-        {{0, 4 * 16}, "RES:    STEP:", Color::light_grey()}};
+        {{0, 0 * 16}, "MIN:     MAX:     LNA   VGA  ", Theme::getInstance()->fg_light->foreground},
+        {{0, 1 * 16}, "RANGE:       FILTER:     AMP:", Theme::getInstance()->fg_light->foreground},
+        {{0, 2 * 16}, "P:", Theme::getInstance()->fg_light->foreground},
+        {{0, 3 * 16}, "MARKER:          MHz RXIQCAL", Theme::getInstance()->fg_light->foreground},
+        //{{0, 4 * 16}, "RES:    STEPS:", Theme::getInstance()->fg_light->foreground}};
+        {{0, 4 * 16}, "RES:     VOL:", Theme::getInstance()->fg_light->foreground}};

    NumberField field_frequency_min{
        {4 * 8, 0 * 16},
@@ -200,14 +215,26 @@ class GlassView : public View {
        {28 * 8, 1 * 16}};

    OptionsField range_presets{
-        {7 * 8, 2 * 16},
+        {2 * 8, 2 * 16},
        20,
        {}};

+    ButtonWithEncoder button_beep_squelch{
+        {240 - 8 * 8, 2 * 16 + 4, 8 * 8, 1 * 8},
+        ""};
+
    TextField field_marker{
        {7 * 8, 3 * 16, 9 * 8, 16},
        ""};

+    NumberField field_rx_iq_phase_cal{
+        {28 * 8, 3 * 16},
+        2,
+        {0, 63},  // 5 or 6 bits IQ CAL phase adjustment (range updated later)
+        1,
+        ' ',
+    };
+
    NumberField field_trigger{
        {4 * 8, 4 * 16},
        3,
@@ -215,7 +242,10 @@ class GlassView : public View {
        2,
        ' '};

-    OptionsField steps_config{
+    AudioVolumeField field_volume{
+        {13 * 8, 4 * 16}};
+
+    /*OptionsField steps_config{
        {13 * 8, 4 * 16},
        3,
        {
@@ -225,7 +255,7 @@ class GlassView : public View {
            {"100", 100},
            {"250", 250},
            {"500", 500},
-        }};
+        }};*/

    OptionsField scan_type{
        {17 * 8, 4 * 16},
@@ -278,6 +308,7 @@ class GlassView : public View {
            const auto message = *reinterpret_cast<const ChannelSpectrumConfigMessage*>(p);
            this->fifo = message.fifo;
        }};
+
    MessageHandlerRegistration message_handler_frame_sync{
        Message::ID::DisplayFrameSync,
        [this](const Message* const) {
@@ -288,6 +319,13 @@ class GlassView : public View {
                }
            }
        }};
+
+    MessageHandlerRegistration message_handler_freqchg{
+        Message::ID::FreqChangeCommand,
+        [this](Message* const p) {
+            const auto message = static_cast<const FreqChangeCommandMessage*>(p);
+            this->on_freqchg(message->freq);
+        }};
 };
 }  // namespace ui
 #endif
@@ -63,8 +63,8 @@ void MicTXView::update_vumeter() {
 }

 void MicTXView::update_tx_icon() {
-    tx_icon.set_foreground(transmitting ? Color::red() : Color::black());
-    tx_icon.set_background(transmitting ? Color::yellow() : Color::black());
+    tx_icon.set_foreground(transmitting ? Theme::getInstance()->fg_red->foreground : Theme::getInstance()->bg_darkest->background);
+    tx_icon.set_background(transmitting ? Theme::getInstance()->fg_yellow->foreground : Theme::getInstance()->bg_darkest->background);
 }

 void MicTXView::on_tx_progress(const bool done) {
@@ -130,9 +130,9 @@ void MicTXView::set_tx(bool enable) {
        portapack::pin_i2s0_rx_sda.mode(3);  // This is already done in audio::init but gets changed by the CPLD overlay reprogramming
    } else {
        if (transmitting && rogerbeep_enabled) {
-            baseband::request_beep();  // Transmit the roger beep
-            transmitting = false;      // And flag the end of the transmission so ...
-        } else {                       // (if roger beep was enabled, this will be executed after the beep ends transmitting.
+            baseband::request_roger_beep();  // Transmit the roger beep
+            transmitting = false;            // Flag the end of the transmission (transmitter will be disabled after the beep)
+        } else {
            transmitting = false;
            configure_baseband();
            transmitter_model.disable();
@@ -269,16 +269,24 @@ void MicTXView::set_rxbw_options(void) {
    }
 }

-void MicTXView::set_rxbw_defaults(bool use_app_settings) {
+void MicTXView::set_rxbw_defaults(bool use_app_settings) {  // Initially in that function we set up rxbw, but now also txbw.
    if (use_app_settings) {
        field_bw.set_value(transmitter_model.channel_bandwidth() / 1000);
        field_rxbw.set_by_value(rxbw_index);
    } else if (mic_mod_index == MIC_MOD_NFM) {
-        field_bw.set_value(10);  // NFM TX bw 10k, RX bw 16k (2) default
-        field_rxbw.set_by_value(2);
+        field_bw.set_value(10);     // NFM TX bw 10k, RX bw 16k (index 2) default
+        field_bw.set_range(1, 60);  // In NFM , FM , we are limitting index modulation range (0.08 ..5) ; (Ex max dev 60khz/12k = 5)
+        field_bw.set_step(1);
+        field_rxbw.set_by_value(2);  // 16k from the three options (8k5,11k,16k)
    } else if (mic_mod_index == MIC_MOD_WFM) {
-        field_bw.set_value(75);  // WFM TX bw 75K, RX bw 200k (0) default
+        field_bw.set_value(75);      // WFM TX bw 75K, RX bw 200k (index 0) default
+        field_bw.set_range(1, 150);  // In our case Mod. Index range (1,67 ...12,5) ; 150k/12k=12,5
+        field_bw.set_step(1);
        field_rxbw.set_by_value(0);
+    } else if ((mic_mod_index == MIC_MOD_USB) | (mic_mod_index == MIC_MOD_LSB)) {
+        field_bw.set_value(3);     // In SSB by default let's limit TX_BW to 3kHz.
+        field_bw.set_range(2, 3);  // User TXBW GUI range to modify that SSB TX_BW to limit SSB radiated spectrum.
+        field_bw.set_step(1);
    }
    // field_bw is hidden in other modulation cases
 }
@@ -338,7 +346,7 @@ MicTXView::MicTXView(
                  &field_rxlna,
                  &field_rxvga,
                  &field_rxamp,
-                  hackrf_r9 ? &field_tx_iq_phase_cal_2839 : &field_tx_iq_phase_cal_2837,
+                  &field_tx_iq_phase_cal,
                  &tx_button,
                  &tx_icon});

@@ -372,19 +380,12 @@ MicTXView::MicTXView(
    };

    radio::set_tx_max283x_iq_phase_calibration(iq_phase_calibration_value);
-    if (hackrf_r9) {  // MAX2839 has 6 bits IQ CAL phasse adjustment.
-        field_tx_iq_phase_cal_2839.set_value(iq_phase_calibration_value);
-        field_tx_iq_phase_cal_2839.on_change = [this](int32_t v) {
-            iq_phase_calibration_value = v;
-            radio::set_tx_max283x_iq_phase_calibration(iq_phase_calibration_value);
-        };
-    } else {  // MAX2837 has 5 bits IQ CAL phase adjustment.
-        field_tx_iq_phase_cal_2837.set_value(iq_phase_calibration_value);
-        field_tx_iq_phase_cal_2837.on_change = [this](int32_t v) {
-            iq_phase_calibration_value = v;
-            radio::set_tx_max283x_iq_phase_calibration(iq_phase_calibration_value);
-        };
-    }
+    field_tx_iq_phase_cal.set_range(0, hackrf_r9 ? 63 : 31);  // max2839 has 6 bits [0..63],  max2837 has 5 bits [0..31]
+    field_tx_iq_phase_cal.set_value(iq_phase_calibration_value);
+    field_tx_iq_phase_cal.on_change = [this](int32_t v) {
+        iq_phase_calibration_value = v;
+        radio::set_tx_max283x_iq_phase_calibration(iq_phase_calibration_value);
+    };

    options_gain.on_change = [this](size_t, int32_t v) {
        mic_gain_x10 = v;
@@ -489,7 +490,11 @@ MicTXView::MicTXView(
            field_bw.hidden(false);
            options_tone_key.hidden(false);
        } else {
-            field_bw.hidden(true);
+            if ((mic_mod_index == MIC_MOD_USB) || (mic_mod_index == MIC_MOD_LSB)) {
+                field_bw.hidden(false);
+            } else {
+                field_bw.hidden(true);
+            }
            options_tone_key.set_selected_index(0);
            options_tone_key.hidden(true);
        }
@@ -530,21 +535,6 @@ MicTXView::MicTXView(
    };
    check_mic_to_HP.set_value(mic_to_HP_enabled);

-    check_rxactive.on_select = [this](Checkbox&, bool v) {
-        //		vumeter.set_value(0);	//Start with a clean vumeter
-        rx_enabled = v;
-        check_mic_to_HP.hidden(rx_enabled);  // Toggle Hide / show "Hear Mic" checkbox depending if we activate or not the receiver. (if RX on => no visible "Mic Hear" option)
-        if ((rx_enabled) && (transmitting))
-            check_mic_to_HP.set_value(transmitting);  // Once we activate the "Rx audio" in reception time we disable "Hear Mic", but we allow it again in TX time.
-
-        if (rx_enabled)
-            check_va.set_value(false);  // Disallow voice activation during RX audio (for now) - Future TODO: Should allow VOX during RX audio
-
-        rxaudio(v);   // Activate-Deactivate audio RX (receiver) accordingly
-        set_dirty();  // Refresh interface
-    };
-    check_rxactive.set_value(rx_enabled);
-
    tx_button.on_select = [this](Button&) {
        if (!transmitting) {
            set_tx(true);
@@ -597,12 +587,28 @@ MicTXView::MicTXView(
    // Trigger receiver to update modulation.
    if (rx_enabled)
        receiver_model.set_squelch_level(receiver_model.squelch_level());
+
+    check_rxactive.on_select = [this](Checkbox&, bool v) {
+        //		vumeter.set_value(0);	//Start with a clean vumeter
+        rx_enabled = v;
+        check_mic_to_HP.hidden(rx_enabled);  // Toggle Hide / show "Hear Mic" checkbox depending if we activate or not the receiver. (if RX on => no visible "Mic Hear" option)
+        if ((rx_enabled) && (transmitting))
+            check_mic_to_HP.set_value(transmitting);  // Once we activate the "Rx audio" in reception time we disable "Hear Mic", but we allow it again in TX time.
+
+        if (rx_enabled)
+            check_va.set_value(false);  // Disallow voice activation during RX audio (for now) - Future TODO: Should allow VOX during RX audio
+
+        rxaudio(v);   // Activate-Deactivate audio RX (receiver) accordingly
+        set_dirty();  // Refresh interface
+    };
+    check_rxactive.set_value(rx_enabled);
 }

 MicTXView::MicTXView(
    NavigationView& nav,
    ReceiverModel::settings_t override)
    : MicTXView(nav) {
+    // Settings to override when launched from another app (versus from AppSettings .ini file)
    // Try to use the modulation/bandwidth from RX settings.
    // TODO: These concepts should be merged so there's only one.
    switch (override.mode) {
@@ -623,6 +629,7 @@ MicTXView::MicTXView(
            break;
    }

+    field_frequency.set_value(override.frequency_app_override);
    check_common_freq_tx_rx.set_value(true);  // freq passed from other app is in tx_frequency, so set rx_frequency=tx_frequency

    // TODO: bandwidth selection is tied too tightly to the UI
@@ -118,7 +118,6 @@ class MicTXView : public View {
    app_settings::SettingsManager settings_{
        "tx_mic",
        app_settings::Mode::RX_TX,
-        app_settings::Options::UseGlobalTargetFrequency,
        {
            {"mic_mod_index"sv, &mic_mod_index},
            {"rxbw_index"sv, &rxbw_index},
@@ -148,27 +147,27 @@ class MicTXView : public View {
    bool button_touch{false};

    Labels labels_both{
-        {{3 * 8, 1 * 8}, "MIC-GAIN:", Color::light_grey()},
-        {{3 * 8, 3 * 8}, "F:", Color::light_grey()},
-        {{15 * 8, 3 * 8}, "FM TXBW:    kHz", Color::light_grey()},  // to be more symetric and consistent to the below FM RXBW
-        {{18 * 8, (5 * 8)}, "Mode:", Color::light_grey()},          // now, no need to handle GAIN, Amp here It is handled by ui_transmitter.cpp
-        {{4 * 8, 10 * 8}, "LVL:", Color::light_grey()},             // we delete  { {11 * 8, 5 * 8 }, "Amp:", Color::light_grey() },
-        {{12 * 8, 10 * 8}, "ATT:", Color::light_grey()},
-        {{20 * 8, 10 * 8}, "DEC:", Color::light_grey()},
-        {{3 * 8, (13 * 8) - 5}, "TONE KEY:", Color::light_grey()},
-        {{3 * 8, (18 * 8) - 1}, "======== Receiver ========", Color::green()},
-        {{5 * 8, (23 * 8) + 2}, "VOL:", Color::light_grey()},
-        {{14 * 8, (23 * 8) + 2}, "RXBW:", Color::light_grey()},  // we remove the label "FM" because we will display all MOD types RX_BW.
-        {{20 * 8, (25 * 8) + 2}, "SQ:", Color::light_grey()},
-        {{5 * 8, (25 * 8) + 2}, "F_RX:", Color::light_grey()},
-        {{5 * 8, (27 * 8) + 2}, "LNA:", Color::light_grey()},
-        {{12 * 8, (27 * 8) + 2}, "VGA:", Color::light_grey()},
-        {{19 * 8, (27 * 8) + 2}, "AMP:", Color::light_grey()},
-        {{21 * 8, (31 * 8)}, "TX-IQ-CAL:", Color::light_grey()}};
+        {{3 * 8, 1 * 8}, "MIC-GAIN:", Theme::getInstance()->fg_light->foreground},
+        {{3 * 8, 3 * 8}, "F:         MHz", Theme::getInstance()->fg_light->foreground},
+        {{18 * 8, 3 * 8}, "TXBW:    kHz", Theme::getInstance()->fg_light->foreground},  // to be more symetric and consistent to the below FM RXBW
+        {{18 * 8, (5 * 8)}, "Mode:", Theme::getInstance()->fg_light->foreground},       // now, no need to handle GAIN, Amp here It is handled by ui_transmitter.cpp
+        {{4 * 8, 10 * 8}, "LVL:", Theme::getInstance()->fg_light->foreground},          // we delete  { {11 * 8, 5 * 8 }, "Amp:", Theme::getInstance()->fg_light->foreground },
+        {{12 * 8, 10 * 8}, "ATT:", Theme::getInstance()->fg_light->foreground},
+        {{20 * 8, 10 * 8}, "DEC:", Theme::getInstance()->fg_light->foreground},
+        {{3 * 8, (13 * 8) - 5}, "TONE KEY:", Theme::getInstance()->fg_light->foreground},
+        {{3 * 8, (18 * 8) - 1}, "======== Receiver ========", Theme::getInstance()->fg_green->foreground},
+        {{5 * 8, (23 * 8) + 2}, "VOL:", Theme::getInstance()->fg_light->foreground},
+        {{14 * 8, (23 * 8) + 2}, "RXBW:", Theme::getInstance()->fg_light->foreground},  // we remove the label "FM" because we will display all MOD types RX_BW.
+        {{20 * 8, (25 * 8) + 2}, "SQ:", Theme::getInstance()->fg_light->foreground},
+        {{5 * 8, (25 * 8) + 2}, "F_RX:", Theme::getInstance()->fg_light->foreground},
+        {{5 * 8, (27 * 8) + 2}, "LNA:", Theme::getInstance()->fg_light->foreground},
+        {{12 * 8, (27 * 8) + 2}, "VGA:", Theme::getInstance()->fg_light->foreground},
+        {{19 * 8, (27 * 8) + 2}, "AMP:", Theme::getInstance()->fg_light->foreground},
+        {{21 * 8, (31 * 8)}, "TX-IQ-CAL:", Theme::getInstance()->fg_light->foreground}};
    Labels labels_WM8731{
-        {{17 * 8, 1 * 8}, "Boost", Color::light_grey()}};
+        {{17 * 8, 1 * 8}, "Boost", Theme::getInstance()->fg_light->foreground}};
    Labels labels_AK4951{
-        {{17 * 8, 1 * 8}, "ALC", Color::light_grey()}};
+        {{17 * 8, 1 * 8}, "ALC", Theme::getInstance()->fg_light->foreground}};

    VuMeter vumeter{
        {0 * 8, 1 * 8, 2 * 8, 33 * 8},
@@ -342,18 +341,10 @@ class MicTXView : public View {
        ' ',
    };

-    NumberField field_tx_iq_phase_cal_2837{
+    NumberField field_tx_iq_phase_cal{
        {24 * 8, (33 * 8)},
        2,
-        {0, 31},  // 5 bits IQ CAL phase adjustment.
-        1,
-        ' ',
-    };
-
-    NumberField field_tx_iq_phase_cal_2839{
-        {24 * 8, (33 * 8)},
-        2,
-        {0, 63},  // 6 bits IQ CAL phasse adjustment.
+        {0, 63},  // 5 or 6 bits IQ CAL phase adjustment (range updated later)
        1,
        ' ',
    };
@@ -366,8 +357,8 @@ class MicTXView : public View {
    Image tx_icon{
        {6 * 8, 31 * 8 + 4, 16, 16},
        &bitmap_icon_microphone,
-        Color::black(),
-        Color::black()};
+        Theme::getInstance()->bg_darkest->background,
+        Theme::getInstance()->bg_darkest->background};

    MessageHandlerRegistration message_handler_lcd_sync{
        Message::ID::DisplayFrameSync,
@@ -39,12 +39,12 @@ class ModemSetupView : public View {

   private:
    Labels labels{
-        {{2 * 8, 11 * 8}, "Baudrate:", Color::light_grey()},
-        {{2 * 8, 13 * 8}, "Mark:      Hz", Color::light_grey()},
-        {{2 * 8, 15 * 8}, "Space:     Hz", Color::light_grey()},
-        {{140, 15 * 8}, "Repeat:", Color::light_grey()},
-        {{1 * 8, 6 * 8}, "Modem preset:", Color::light_grey()},
-        {{2 * 8, 22 * 8}, "Serial format:", Color::light_grey()}};
+        {{2 * 8, 11 * 8}, "Baudrate:", Theme::getInstance()->fg_light->foreground},
+        {{2 * 8, 13 * 8}, "Mark:      Hz", Theme::getInstance()->fg_light->foreground},
+        {{2 * 8, 15 * 8}, "Space:     Hz", Theme::getInstance()->fg_light->foreground},
+        {{140, 15 * 8}, "Repeat:", Theme::getInstance()->fg_light->foreground},
+        {{1 * 8, 6 * 8}, "Modem preset:", Theme::getInstance()->fg_light->foreground},
+        {{2 * 8, 22 * 8}, "Serial format:", Theme::getInstance()->fg_light->foreground}};

    NumberField field_baudrate{
        {11 * 8, 11 * 8},
@@ -21,7 +21,6 @@
 */

 #include "ui_numbers.hpp"
-#include "ui_styles.hpp"
 #include "string_format.hpp"

 #include "portapack.hpp"
@@ -145,7 +144,7 @@ void NumbersStationView::on_tick_second() {
    armed_blink = not armed_blink;

    if (armed_blink)
-        check_armed.set_style(&Styles::red);
+        check_armed.set_style(Theme::getInstance()->fg_red);
    else
        check_armed.set_style(&style());

@@ -129,8 +129,8 @@ class NumbersStationView : public View {
    void start_tx();

    Labels labels{
-        {{2 * 8, 5 * 8}, "Voice:     Flags:", Color::light_grey()},
-        {{1 * 8, 8 * 8}, "Code:", Color::light_grey()}};
+        {{2 * 8, 5 * 8}, "Voice:     Flags:", Theme::getInstance()->fg_light->foreground},
+        {{1 * 8, 8 * 8}, "Code:", Theme::getInstance()->fg_light->foreground}};

    OptionsField options_voices{
        {8 * 8, 1 * 8},
@@ -36,6 +36,7 @@
 #include "string_format.hpp"
 #include "ui_fileman.hpp"
 #include "utility.hpp"
+#include "file_path.hpp"

 #include <unistd.h>
 #include <fstream>
@@ -130,7 +131,7 @@ void PlaylistView::open_file(bool prompt_save) {
    }

    auto open_view = nav_.push<FileLoadView>(".PPL");
-    open_view->push_dir(u"PLAYLIST");
+    open_view->push_dir(playlist_dir);
    open_view->on_changed = [this](fs::path new_file_path) {
        on_file_changed(new_file_path);
    };
@@ -169,7 +170,7 @@ void PlaylistView::save_file(bool show_dialogs) {

 void PlaylistView::add_entry(fs::path&& path) {
    if (playlist_path_.empty()) {
-        playlist_path_ = next_filename_matching_pattern(u"/PLAYLIST/PLAY_????.PPL");
+        playlist_path_ = next_filename_matching_pattern(playlist_dir / u"PLAY_????.PPL");

        // Hack around focus getting called by ctor before parent is set.
        if (parent())
@@ -387,7 +388,7 @@ PlaylistView::PlaylistView(
        &waterfall,
    });

-    ensure_directory(u"PLAYLIST");
+    ensure_directory(playlist_dir);
    waterfall.show_audio_spectrum_view(false);

    field_frequency.set_value(transmitter_model.target_frequency());
@@ -410,7 +411,7 @@ PlaylistView::PlaylistView(
        if (is_active())
            return;
        auto open_view = nav_.push<FileLoadView>(".C*");
-        open_view->push_dir(u"CAPTURES");
+        open_view->push_dir(captures_dir);
        open_view->on_changed = [this](fs::path path) {
            add_entry(std::move(path));
        };
@@ -141,8 +141,8 @@ class PlaylistView : public View {
    ImageButton button_play{
        {28 * 8, 2 * 16, 2 * 8, 1 * 16},
        &bitmap_play,
-        Color::green(),
-        Color::black()};
+        Theme::getInstance()->fg_green->foreground,
+        Theme::getInstance()->fg_green->background};

    Text text_track{
        {0 * 8, 3 * 16, 30 * 8, 16}};
@@ -151,37 +151,37 @@ class PlaylistView : public View {
        {2 * 8, 4 * 16, 4 * 8, 2 * 16},
        "",
        &bitmap_arrow_left,
-        Color::dark_grey()};
+        Theme::getInstance()->bg_dark->background};

    NewButton button_next{
        {6 * 8, 4 * 16, 4 * 8, 2 * 16},
        "",
        &bitmap_arrow_right,
-        Color::dark_grey()};
+        Theme::getInstance()->bg_dark->background};

    NewButton button_add{
        {11 * 8, 4 * 16, 4 * 8, 2 * 16},
        "",
        &bitmap_icon_new_file,
-        Color::orange()};
+        Theme::getInstance()->fg_orange->foreground};

    NewButton button_delete{
        {15 * 8, 4 * 16, 4 * 8, 2 * 16},
        "",
        &bitmap_icon_delete,
-        Color::orange()};
+        Theme::getInstance()->fg_orange->foreground};

    NewButton button_open{
        {20 * 8, 4 * 16, 4 * 8, 2 * 16},
        "",
        &bitmap_icon_load,
-        Color::dark_blue()};
+        Theme::getInstance()->fg_blue->foreground};

    NewButton button_save{
        {24 * 8, 4 * 16, 4 * 8, 2 * 16},
        "",
        &bitmap_icon_save,
-        Color::dark_blue()};
+        Theme::getInstance()->fg_blue->foreground};

    spectrum::WaterfallView waterfall{};

@@ -42,6 +42,32 @@ POCSAGTXView::~POCSAGTXView() {
    baseband::shutdown();
 }

+void POCSAGTXView::on_remote(const PocsagTosendMessage data) {
+    // check if still sending or not
+    size_t tmp = 0;
+    if (data.baud == 1200) tmp = 1;
+    if (data.baud == 2400) tmp = 2;
+    options_bitrate.set_selected_index(tmp);
+    tmp = 0;
+    options_type.set_selected_index(data.type);
+    if (data.function == 'B') tmp = 1;
+    if (data.function == 'C') tmp = 2;
+    if (data.function == 'D') tmp = 3;
+    options_function.set_selected_index(tmp);
+    options_phase.set_selected_index(data.phase == 'P' ? 0 : 1);
+    field_address.set_value(data.addr);
+    message = (char*)data.msg;
+    text_message.set(message);
+    options_bitrate.dirty();
+    options_type.dirty();
+    options_function.dirty();
+    options_phase.dirty();
+    field_address.dirty();
+    text_message.dirty();
+    tx_view.focus();
+    start_tx();
+}
+
 void POCSAGTXView::on_tx_progress(const uint32_t progress, const bool done) {
    if (done) {
        transmitter_model.disable();
@@ -76,15 +76,16 @@ class POCSAGTXView : public View {

    void on_set_text(NavigationView& nav);
    void on_tx_progress(const uint32_t progress, const bool done);
+    void on_remote(const PocsagTosendMessage data);
    bool start_tx();

    Labels labels{
-        {{3 * 8, 4 * 8}, "Bitrate:", Color::light_grey()},
-        {{3 * 8, 6 * 8}, "Address:", Color::light_grey()},
-        {{6 * 8, 8 * 8}, "Type:", Color::light_grey()},
-        {{2 * 8, 10 * 8}, "Function:", Color::light_grey()},
-        {{5 * 8, 12 * 8}, "Phase:", Color::light_grey()},
-        {{0 * 8, 14 * 8}, "Message:", Color::light_grey()}};
+        {{3 * 8, 4 * 8}, "Bitrate:", Theme::getInstance()->fg_light->foreground},
+        {{3 * 8, 6 * 8}, "Address:", Theme::getInstance()->fg_light->foreground},
+        {{6 * 8, 8 * 8}, "Type:", Theme::getInstance()->fg_light->foreground},
+        {{2 * 8, 10 * 8}, "Function:", Theme::getInstance()->fg_light->foreground},
+        {{5 * 8, 12 * 8}, "Phase:", Theme::getInstance()->fg_light->foreground},
+        {{0 * 8, 14 * 8}, "Message:", Theme::getInstance()->fg_light->foreground}};

    OptionsField options_bitrate{
        {11 * 8, 4 * 8},
@@ -142,6 +143,13 @@ class POCSAGTXView : public View {
            const auto message = *reinterpret_cast<const TXProgressMessage*>(p);
            this->on_tx_progress(message.progress, message.done);
        }};
+
+    MessageHandlerRegistration message_handler_tx_remote{
+        Message::ID::PocsagTosend,
+        [this](const Message* const p) {
+            const auto message = *reinterpret_cast<const PocsagTosendMessage*>(p);
+            this->on_remote(message);
+        }};
 };

 } /* namespace ui */
@@ -43,8 +43,8 @@ class RDSPSNView : public OptionTabView {

   private:
    Labels labels{
-        {{1 * 8, 3 * 8}, "Program Service Name", Color::light_grey()},
-        {{2 * 8, 7 * 8}, "PSN:", Color::light_grey()}};
+        {{1 * 8, 3 * 8}, "Program Service Name", Theme::getInstance()->fg_light->foreground},
+        {{2 * 8, 7 * 8}, "PSN:", Theme::getInstance()->fg_light->foreground}};

    Button button_set{
        {18 * 8, 3 * 16, 80, 32},
@@ -75,8 +75,8 @@ class RDSRadioTextView : public OptionTabView {

   private:
    Labels labels{
-        {{2 * 8, 3 * 8}, "Radiotext", Color::light_grey()},
-        {{1 * 8, 6 * 8}, "Text:", Color::light_grey()}};
+        {{2 * 8, 3 * 8}, "Radiotext", Theme::getInstance()->fg_light->foreground},
+        {{1 * 8, 6 * 8}, "Text:", Theme::getInstance()->fg_light->foreground}};

    Text text_radiotext{
        {1 * 8, 4 * 16, 28 * 8, 16},
@@ -92,7 +92,7 @@ class RDSDateTimeView : public OptionTabView {

   private:
    Labels labels{
-        {{44, 5 * 16}, "Not yet implemented", Color::red()}};
+        {{44, 5 * 16}, "Not yet implemented", Theme::getInstance()->error_dark->foreground}};
 };

 class RDSAudioView : public OptionTabView {
@@ -101,7 +101,7 @@ class RDSAudioView : public OptionTabView {

   private:
    Labels labels{
-        {{44, 5 * 16}, "Not yet implemented", Color::red()}};
+        {{44, 5 * 16}, "Not yet implemented", Theme::getInstance()->error_dark->foreground}};
 };

 class RDSThread {
@@ -168,16 +168,16 @@ class RDSView : public View {
    RDSAudioView view_audio{view_rect};

    TabView tab_view{
-        {"Name", Color::cyan(), &view_PSN},
-        {"Text", Color::green(), &view_radiotext},
-        {"Time", Color::yellow(), &view_datetime},
-        {"Audio", Color::orange(), &view_audio}};
+        {"Name", Theme::getInstance()->fg_cyan->foreground, &view_PSN},
+        {"Text", Theme::getInstance()->fg_green->foreground, &view_radiotext},
+        {"Time", Theme::getInstance()->fg_yellow->foreground, &view_datetime},
+        {"Audio", Theme::getInstance()->fg_orange->foreground, &view_audio}};

    Labels labels{
-        {{0 * 8, 28}, "Program type:", Color::light_grey()},
-        //{ { 14 * 8, 16 + 8 }, "CC:", Color::light_grey() },
-        {{2 * 8, 28 + 16}, "Program ID:", Color::light_grey()},
-        //{ { 13 * 8, 32 + 8 }, "Cov:", Color::light_grey() },
+        {{0 * 8, 28}, "Program type:", Theme::getInstance()->fg_light->foreground},
+        //{ { 14 * 8, 16 + 8 }, "CC:", Theme::getInstance()->fg_light->foreground },
+        {{2 * 8, 28 + 16}, "Program ID:", Theme::getInstance()->fg_light->foreground},
+        //{ { 13 * 8, 32 + 8 }, "Cov:",Theme::getInstance()->fg_light->foreground },
    };

    OptionsField options_pty{
@@ -49,7 +49,13 @@ namespace fs = std::filesystem;
 namespace ui {

 void ReconView::reload_restart_recon() {
+    // force reload of current
+    change_mode(field_mode.selected_index_value());
+    uint8_t previous_index = current_index;
+    reset_indexes();
    frequency_file_load();
+    current_index = previous_index;
+    handle_retune();
    if (frequency_list.size() > 0) {
        if (fwd) {
            button_dir.set_text("FW>");
@@ -59,16 +65,16 @@ void ReconView::reload_restart_recon() {
        recon_resume();
    }
    if (scanner_mode) {
-        file_name.set_style(&Styles::red);
-        button_scanner_mode.set_style(&Styles::red);
+        file_name.set_style(Theme::getInstance()->fg_red);
+        button_scanner_mode.set_style(Theme::getInstance()->fg_red);
        button_scanner_mode.set_text("SCAN");
    } else {
-        file_name.set_style(&Styles::blue);
-        button_scanner_mode.set_style(&Styles::blue);
+        file_name.set_style(Theme::getInstance()->fg_blue);
+        button_scanner_mode.set_style(Theme::getInstance()->fg_blue);
        button_scanner_mode.set_text("RECON");
    }
    if (frequency_list.size() > FREQMAN_MAX_PER_FILE) {
-        file_name.set_style(&Styles::yellow);
+        file_name.set_style(Theme::getInstance()->fg_yellow);
    }
 }

@@ -98,24 +104,25 @@ freqman_entry& ReconView::current_entry() {

 void ReconView::set_loop_config(bool v) {
    continuous = v;
-    button_loop_config.set_style(v ? &Styles::green : &Styles::white);
+    button_loop_config.set_style(v ? Theme::getInstance()->fg_green : Theme::getInstance()->bg_darkest);
    persistent_memory::set_recon_continuous(continuous);
 }

 void ReconView::recon_stop_recording(bool exiting) {
    if (is_recording) {
-        if (field_mode.selected_index_value() == SPEC_MODULATION)
-            button_audio_app.set_text("RAW");
-        else
-            button_audio_app.set_text("AUDIO");
-        button_audio_app.set_style(&Styles::white);
        record_view->stop();
-        button_config.set_style(&Styles::white);
        is_recording = false;
-        // repeater mode
-        if (!exiting && persistent_memory::recon_repeat_recorded()) {
-            start_repeat();
+        if (field_mode.selected_index_value() == SPEC_MODULATION) {
+            button_audio_app.set_text("RAW");
+            // repeater mode
+            if (!exiting && persistent_memory::recon_repeat_recorded()) {
+                start_repeat();
+            }
+        } else {
+            button_audio_app.set_text("AUDIO");
        }
+        button_audio_app.set_style(Theme::getInstance()->bg_darkest);
+        button_config.set_style(Theme::getInstance()->bg_darkest);
    }
 }

@@ -164,23 +171,23 @@ void ReconView::update_description() {
 void ReconView::colorize_waits() {
    // colorize wait on match
    if (wait == 0) {
-        field_wait.set_style(&Styles::blue);
+        field_wait.set_style(Theme::getInstance()->fg_blue);
    } else if (wait >= 500) {
-        field_wait.set_style(&Styles::white);
+        field_wait.set_style(Theme::getInstance()->bg_darkest);
    } else if (wait > -500 && wait < 500) {
-        field_wait.set_style(&Styles::red);
+        field_wait.set_style(Theme::getInstance()->fg_red);
    } else if (wait <= -500) {
-        field_wait.set_style(&Styles::green);
+        field_wait.set_style(Theme::getInstance()->fg_green);
    }
    // colorize lock time if in SPARSE mode as in continuous the lock_wait time is disarmed at first lock count
    if (recon_match_mode == RECON_MATCH_SPARSE) {
        if ((recon_lock_duration / STATS_UPDATE_INTERVAL) <= recon_lock_nb_match) {
-            field_lock_wait.set_style(&Styles::yellow);
+            field_lock_wait.set_style(Theme::getInstance()->fg_yellow);
        } else {
-            field_lock_wait.set_style(&Styles::white);
+            field_lock_wait.set_style(Theme::getInstance()->bg_darkest);
        }
    } else {
-        field_lock_wait.set_style(&Styles::white);
+        field_lock_wait.set_style(Theme::getInstance()->bg_darkest);
    }
 }

@@ -252,17 +259,17 @@ void ReconView::recon_redraw() {
        text_nb_locks.set(to_string_dec_uint(freq_lock) + "/" + to_string_dec_uint(recon_lock_nb_match));
        if (freq_lock == 0) {
            // NO FREQ LOCK, ONGOING STANDARD SCANNING
-            big_display.set_style(&Styles::white);
+            big_display.set_style(Theme::getInstance()->bg_darkest);
            if (recon)
                button_pause.set_text("<PAUSE>");
            else
                button_pause.set_text("<RESUME>");
        } else if (freq_lock == 1 && recon_lock_nb_match != 1) {
            // STARTING LOCK FREQ
-            big_display.set_style(&Styles::yellow);
+            big_display.set_style(Theme::getInstance()->fg_yellow);
            button_pause.set_text("<SKPLCK>");
        } else if (freq_lock >= recon_lock_nb_match) {
-            big_display.set_style(&Styles::green);
+            big_display.set_style(Theme::getInstance()->fg_green);
            button_pause.set_text("<UNLOCK>");
        }
    }
@@ -330,7 +337,7 @@ ReconView::ReconView(NavigationView& nav)

    // set record View
    record_view = std::make_unique<RecordView>(Rect{0, 0, 30 * 8, 1 * 16},
-                                               u"AUTO_AUDIO", u"AUDIO",
+                                               u"AUTO_AUDIO", audio_dir,
                                               RecordView::FileType::WAV, 4096, 4);
    record_view->set_filename_date_frequency(true);
    record_view->set_auto_trim(false);
@@ -501,7 +508,7 @@ ReconView::ReconView(NavigationView& nav)
        auto settings = receiver_model.settings();
        settings.frequency_step = step_mode.selected_index_value();
        if (field_mode.selected_index_value() == SPEC_MODULATION)
-            nav_.replace<CaptureAppView>();
+            nav_.replace<CaptureAppView>(settings);
        else
            nav_.replace<AnalogAudioView>(settings);
    };
@@ -532,7 +539,7 @@ ReconView::ReconView(NavigationView& nav)
            }
        }

-        // MicTX wants Modulation and Bandwidth overrides, but that's only stored on the RX model.
+        // MicTX wants Frequency, Modulation and Bandwidth overrides, but that's only stored on the RX model.
        nav_.replace<MicTXView>(receiver_model.settings());
    };

@@ -584,18 +591,18 @@ ReconView::ReconView(NavigationView& nav)
            current_entry().bandwidth = freqman_invalid_index;
            current_entry().step = def_step;

-            big_display.set_style(&Styles::white);  // Back to white color
+            big_display.set_style(Theme::getInstance()->bg_darkest);  // Back to white color

-            freq_stats.set_style(&Styles::white);
+            freq_stats.set_style(Theme::getInstance()->bg_darkest);
            freq_stats.set("0/0/0");

            text_cycle.set_text("1");
            text_max.set("/1");
-            button_scanner_mode.set_style(&Styles::white);
+            button_scanner_mode.set_style(Theme::getInstance()->bg_darkest);
            button_scanner_mode.set_text("MANUAL");
-            file_name.set_style(&Styles::white);
+            file_name.set_style(Theme::getInstance()->bg_darkest);
            file_name.set("MANUAL => " + output_file);
-            desc_cycle.set_style(&Styles::white);
+            desc_cycle.set_style(Theme::getInstance()->bg_darkest);

            last_entry.modulation = freqman_invalid_index;
            last_entry.bandwidth = freqman_invalid_index;
@@ -641,12 +648,12 @@ ReconView::ReconView(NavigationView& nav)
        manual_mode = false;
        if (scanner_mode) {
            scanner_mode = false;
-            button_scanner_mode.set_style(&Styles::blue);
+            button_scanner_mode.set_style(Theme::getInstance()->fg_blue);
            button_scanner_mode.set_text("RECON");
            button_remove.set_text("<REMOVE>");
        } else {
            scanner_mode = true;
-            button_scanner_mode.set_style(&Styles::red);
+            button_scanner_mode.set_style(Theme::getInstance()->fg_red);
            button_scanner_mode.set_text("SCAN");
            button_remove.set_text("<DELETE>");
        }
@@ -719,7 +726,7 @@ ReconView::ReconView(NavigationView& nav)
    };

    // PRE-CONFIGURATION:
-    button_scanner_mode.set_style(&Styles::blue);
+    button_scanner_mode.set_style(Theme::getInstance()->fg_blue);
    button_scanner_mode.set_text("RECON");
    file_name.set("=>");

@@ -765,14 +772,14 @@ void ReconView::frequency_file_load() {
    std::string file_input = input_file;    // default recon mode
    if (scanner_mode) {
        file_input = output_file;
-        file_name.set_style(&Styles::red);
-        button_scanner_mode.set_style(&Styles::red);
-        desc_cycle.set_style(&Styles::red);
+        file_name.set_style(Theme::getInstance()->fg_red);
+        button_scanner_mode.set_style(Theme::getInstance()->fg_red);
+        desc_cycle.set_style(Theme::getInstance()->fg_red);
        button_scanner_mode.set_text("SCAN");
    } else {
-        file_name.set_style(&Styles::blue);
-        button_scanner_mode.set_style(&Styles::blue);
-        desc_cycle.set_style(&Styles::blue);
+        file_name.set_style(Theme::getInstance()->fg_blue);
+        button_scanner_mode.set_style(Theme::getInstance()->fg_blue);
+        desc_cycle.set_style(Theme::getInstance()->fg_blue);
        button_scanner_mode.set_text("RECON");
    }

@@ -784,7 +791,7 @@ void ReconView::frequency_file_load() {
        .load_hamradios = load_hamradios,
        .load_repeaters = load_repeaters};
    if (!load_freqman_file(file_input, frequency_list, options) || frequency_list.empty()) {
-        file_name.set_style(&Styles::red);
+        file_name.set_style(Theme::getInstance()->fg_red);
        desc_cycle.set("...empty file...");
        frequency_list.clear();
        text_cycle.set_text(" ");
@@ -792,7 +799,7 @@ void ReconView::frequency_file_load() {
    }

    if (frequency_list.size() > FREQMAN_MAX_PER_FILE) {
-        file_name.set_style(&Styles::yellow);
+        file_name.set_style(Theme::getInstance()->fg_yellow);
    }

    reset_indexes();
@@ -881,13 +888,13 @@ void ReconView::on_statistics_update(const ChannelStatistics& statistics) {
                        audio_output_start();
                    // contents of a possible recon_start_recording(), but not yet since it's only called once
                    if (auto_record_locked && !is_recording) {
-                        button_audio_app.set_style(&Styles::red);
+                        button_audio_app.set_style(Theme::getInstance()->fg_red);
                        if (field_mode.selected_index_value() == SPEC_MODULATION) {
                            button_audio_app.set_text("RAW REC");
                        } else
                            button_audio_app.set_text("WAV REC");
                        record_view->start();
-                        button_config.set_style(&Styles::light_grey);  // disable config while recording as it's causing an IO error pop up at exit
+                        button_config.set_style(Theme::getInstance()->fg_light);  // disable config while recording as it's causing an IO error pop up at exit
                        is_recording = true;
                    }
                    // FREQ IS STRONG: GREEN and recon will pause when on_statistics_update()
@@ -1099,7 +1106,7 @@ void ReconView::recon_pause() {
    if (field_mode.selected_index_value() != SPEC_MODULATION)
        audio_output_start();

-    big_display.set_style(&Styles::white);
+    big_display.set_style(Theme::getInstance()->bg_darkest);
    button_pause.set_text("<RESUME>");  // PAUSED, show resume
 }

@@ -1111,7 +1118,7 @@ void ReconView::recon_resume() {
    if (field_mode.selected_index_value() != SPEC_MODULATION)
        audio::output::stop();

-    big_display.set_style(&Styles::white);
+    big_display.set_style(Theme::getInstance()->bg_darkest);
    button_pause.set_text("<PAUSE>");
 }

@@ -1148,7 +1155,7 @@ void ReconView::on_stepper_delta(int32_t v) {
 }

 size_t ReconView::change_mode(freqman_index_t new_mod) {
-    if (recon_tx || is_repeat_active())
+    if (recon_tx || is_repeat_active() || is_recording)
        return 0;
    field_mode.on_change = [this](size_t, OptionsField::value_t) {};
    field_bw.on_change = [this](size_t, OptionsField::value_t) {};
@@ -1157,19 +1164,24 @@ size_t ReconView::change_mode(freqman_index_t new_mod) {
        remove_child(record_view.get());
        record_view.reset();
    }
-    if (persistent_memory::recon_repeat_recorded()) {
-        record_view = std::make_unique<RecordView>(Rect{0, 0, 30 * 8, 1 * 16},
-                                                   u"RECON_REPEAT.C16", u"CAPTURES",
-                                                   RecordView::FileType::RawS16, 16384, 3);
-        record_view->set_filename_as_is(true);
-    } else if (new_mod == SPEC_MODULATION) {
+    if (field_mode.selected_index_value() != SPEC_MODULATION) {
        audio::output::stop();
-        record_view = std::make_unique<RecordView>(Rect{0, 0, 30 * 8, 1 * 16},
-                                                   u"AUTO_RAW", u"CAPTURES",
-                                                   RecordView::FileType::RawS16, 16384, 3);
+    }
+    if (new_mod == SPEC_MODULATION) {
+        if (persistent_memory::recon_repeat_recorded()) {
+            record_view = std::make_unique<RecordView>(Rect{0, 0, 30 * 8, 1 * 16},
+                                                       u"RECON_REPEAT.C16", captures_dir,
+                                                       RecordView::FileType::RawS16, 16384, 3);
+            record_view->set_filename_as_is(true);
+        } else {
+            record_view = std::make_unique<RecordView>(Rect{0, 0, 30 * 8, 1 * 16},
+                                                       u"AUTO_RAW", captures_dir,
+                                                       RecordView::FileType::RawS16, 16384, 3);
+            record_view->set_filename_date_frequency(true);
+        }
    } else {
        record_view = std::make_unique<RecordView>(Rect{0, 0, 30 * 8, 1 * 16},
-                                                   u"AUTO_AUDIO", u"AUDIO",
+                                                   u"AUTO_AUDIO", audio_dir,
                                                   RecordView::FileType::WAV, 4096, 4);
        record_view->set_filename_date_frequency(true);
    }
@@ -1314,9 +1326,6 @@ bool ReconView::is_repeat_active() const {

 void ReconView::start_repeat() {
    // Prepare to send a file.
-    std::filesystem::path rawfile = u"/" + repeat_rec_path + u"/" + repeat_rec_file;
-    std::filesystem::path rawmeta = u"/" + repeat_rec_path + u"/" + repeat_rec_meta;
-
    if (recon_tx == false) {
        recon_tx = true;

@@ -1392,8 +1401,8 @@ void ReconView::start_repeat() {
            std::string delay_message = "TX DELAY: " + to_string_dec_uint(delay) + "s";

            // update display information
-            p.fill_rectangle({0, (SCREEN_H / 2) - 16, SCREEN_W, 64}, Color::light_grey());
-            p.draw_string({(SCREEN_W / 2) - 7 * 8, SCREEN_H / 2}, Styles::red, delay_message);
+            p.fill_rectangle({0, (SCREEN_H / 2) - 16, SCREEN_W, 64}, Theme::getInstance()->fg_light->foreground);
+            p.draw_string({(SCREEN_W / 2) - 7 * 8, SCREEN_H / 2}, *Theme::getInstance()->fg_red, delay_message);

            // sleep 1 second
            chThdSleepMilliseconds(1000);
@@ -1434,6 +1443,12 @@ void ReconView::stop_repeat(const bool do_loop) {
    } else {
        repeat_cur_rep = 0;
        recon_tx = false;
+        if (persistent_memory::recon_repeat_recorded_file_mode() == RECON_REPEAT_AND_KEEP) {
+            // rename file here to keep
+            std::filesystem::path base_path = next_filename_matching_pattern(repeat_rec_path / u"REC_????.*");
+            rename_file(rawfile, base_path.replace_extension(u".C16"));
+            rename_file(rawmeta, base_path.replace_extension(u".TXT"));
+        }
        reload_restart_recon();
        progressbar.hidden(true);
        set_dirty();  // fix progressbar no hiding
@@ -1445,7 +1460,7 @@ void ReconView::handle_repeat_thread_done(const uint32_t return_code) {
        stop_repeat(true);
    } else if (return_code == ReplayThread::READ_ERROR) {
        stop_repeat(false);
-        repeat_file_error(u"/" + repeat_rec_path + u"/" + repeat_rec_file, "Can't open file to send.");
+        repeat_file_error(rawfile, "Can't open file to send.");
    }
 }

@@ -27,7 +27,6 @@
 #include "ui.hpp"
 #include "receiver_model.hpp"
 #include "ui_receiver.hpp"
-#include "ui_styles.hpp"
 #include "freqman.hpp"
 #include "analog_audio_app.hpp"
 #include "audio.hpp"
@@ -38,6 +37,7 @@
 #include "baseband_api.hpp"
 #include "string_format.hpp"
 #include "file.hpp"
+#include "file_path.hpp"
 #include "app_settings.hpp"
 #include "radio_state.hpp"
 #include "ui_recon_settings.hpp"
@@ -181,7 +181,6 @@ class ReconView : public View {

    const std::filesystem::path repeat_rec_file = u"RECON_REPEAT.C16";
    const std::filesystem::path repeat_rec_meta = u"RECON_REPEAT.TXT";
-    const std::filesystem::path repeat_rec_path = u"CAPTURES";
    const size_t repeat_read_size{16384};
    const size_t repeat_buffer_count{3};
    int8_t repeat_cur_rep = 0;
@@ -198,6 +197,9 @@ class ReconView : public View {
    bool repeat_ready_signal{false};
    bool recon_tx{false};

+    std::filesystem::path rawfile = u"/" + repeat_rec_path + u"/" + repeat_rec_file;
+    std::filesystem::path rawmeta = u"/" + repeat_rec_path + u"/" + repeat_rec_meta;
+
    // Persisted settings.
    SettingsStore ui_settings{
        "recon"sv,
@@ -216,11 +218,11 @@ class ReconView : public View {
    std::unique_ptr<RecordView> record_view{};

    Labels labels{
-        {{0 * 8, 0 * 16}, "LNA:   VGA:   AMP:  VOL:     ", Color::light_grey()},
-        {{3 * 8, 8 * 16}, "START       END", Color::light_grey()},
-        {{0 * 8, (22 * 8)}, "                S:          ", Color::light_grey()},
-        {{0 * 8, (24 * 8) + 4}, "NBLCKS:x      W,L:      ,     ", Color::light_grey()},
-        {{0 * 8, (26 * 8) + 4}, "MODE:     ,      SQUELCH:    ", Color::light_grey()}};
+        {{0 * 8, 0 * 16}, "LNA:   VGA:   AMP:  VOL:     ", Theme::getInstance()->fg_light->foreground},
+        {{3 * 8, 8 * 16}, "START       END", Theme::getInstance()->fg_light->foreground},
+        {{0 * 8, (22 * 8)}, "                S:          ", Theme::getInstance()->fg_light->foreground},
+        {{0 * 8, (24 * 8) + 4}, "NBLCKS:x      W,L:      ,     ", Theme::getInstance()->fg_light->foreground},
+        {{0 * 8, (26 * 8) + 4}, "MODE:     ,      SQUELCH:    ", Theme::getInstance()->fg_light->foreground}};

    LNAGainField field_lna{
        {4 * 8, 0 * 16}};
@@ -30,6 +30,7 @@
 #include "freqman_db.hpp"
 #include "portapack.hpp"
 #include "portapack_persistent_memory.hpp"
+#include "file_path.hpp"

 using namespace std;
 using namespace portapack;
@@ -58,7 +59,7 @@ ReconSetupViewMain::ReconSetupViewMain(NavigationView& nav, Rect parent_rect, st
        auto open_view = nav.push<FileLoadView>(".TXT");
        open_view->push_dir(freqman_dir);
        open_view->on_changed = [this, &nav](std::filesystem::path new_file_path) {
-            if (new_file_path.native().find(freqman_dir.native()) == 0) {
+            if (new_file_path.native().find((u"/" / freqman_dir).native()) == 0) {
                _input_file = new_file_path.stem().string();
                text_input_file.set(_input_file);
            } else {
@@ -71,7 +72,7 @@ ReconSetupViewMain::ReconSetupViewMain(NavigationView& nav, Rect parent_rect, st
        auto open_view = nav.push<FileLoadView>(".TXT");
        open_view->push_dir(freqman_dir);
        open_view->on_changed = [this, &nav](std::filesystem::path new_file_path) {
-            if (new_file_path.native().find(freqman_dir.native()) == 0) {
+            if (new_file_path.native().find((u"/" / freqman_dir).native()) == 0) {
                _output_file = new_file_path.stem().string();
                button_choose_output_name.set_text(_output_file);
            } else {
@@ -103,6 +104,7 @@ void ReconSetupViewMore::save() {
    persistent_memory::set_recon_update_ranges_when_recon(checkbox_update_ranges_when_recon.value());
    persistent_memory::set_recon_auto_record_locked(checkbox_auto_record_locked.value());
    persistent_memory::set_recon_repeat_recorded(checkbox_repeat_recorded.value());
+    persistent_memory::set_recon_repeat_recorded_file_mode(field_repeat_file_mode.selected_index_value());
    persistent_memory::set_recon_repeat_nb(field_repeat_nb.value());
    persistent_memory::set_recon_repeat_amp(checkbox_repeat_amp.value());
    persistent_memory::set_recon_repeat_gain(field_repeat_gain.value());
@@ -125,6 +127,7 @@ ReconSetupViewMore::ReconSetupViewMore(NavigationView& nav, Rect parent_rect)
                  &checkbox_update_ranges_when_recon,
                  &checkbox_auto_record_locked,
                  &checkbox_repeat_recorded,
+                  &field_repeat_file_mode,
                  &text_repeat_nb,
                  &field_repeat_nb,
                  &checkbox_repeat_amp,
@@ -134,14 +137,15 @@ ReconSetupViewMore::ReconSetupViewMore(NavigationView& nav, Rect parent_rect)
                  &field_repeat_delay});

    // tx options have to be in yellow to inform the users that activating them will make the device transmit
-    checkbox_repeat_recorded.set_style(&Styles::yellow);
-    text_repeat_nb.set_style(&Styles::yellow);
-    field_repeat_nb.set_style(&Styles::yellow);
-    checkbox_repeat_amp.set_style(&Styles::yellow);
-    text_repeat_gain.set_style(&Styles::yellow);
-    field_repeat_gain.set_style(&Styles::yellow);
-    text_repeat_delay.set_style(&Styles::yellow);
-    field_repeat_delay.set_style(&Styles::yellow);
+    checkbox_repeat_recorded.set_style(Theme::getInstance()->fg_yellow);
+    field_repeat_file_mode.set_style(Theme::getInstance()->fg_yellow);
+    text_repeat_nb.set_style(Theme::getInstance()->fg_yellow);
+    field_repeat_nb.set_style(Theme::getInstance()->fg_yellow);
+    checkbox_repeat_amp.set_style(Theme::getInstance()->fg_yellow);
+    text_repeat_gain.set_style(Theme::getInstance()->fg_yellow);
+    field_repeat_gain.set_style(Theme::getInstance()->fg_yellow);
+    text_repeat_delay.set_style(Theme::getInstance()->fg_yellow);
+    field_repeat_delay.set_style(Theme::getInstance()->fg_yellow);

    checkbox_load_freqs.set_value(persistent_memory::recon_load_freqs());
    checkbox_load_repeaters.set_value(persistent_memory::recon_load_repeaters());
@@ -150,6 +154,7 @@ ReconSetupViewMore::ReconSetupViewMore(NavigationView& nav, Rect parent_rect)
    checkbox_update_ranges_when_recon.set_value(persistent_memory::recon_update_ranges_when_recon());
    checkbox_auto_record_locked.set_value(persistent_memory::recon_auto_record_locked());
    checkbox_repeat_recorded.set_value(persistent_memory::recon_repeat_recorded());
+    field_repeat_file_mode.set_selected_index(persistent_memory::recon_repeat_recorded_file_mode());
    checkbox_repeat_amp.set_value(persistent_memory::recon_repeat_amp());
    field_repeat_nb.set_value(persistent_memory::recon_repeat_nb());
    field_repeat_gain.set_value(persistent_memory::recon_repeat_gain());
@@ -30,7 +30,6 @@
 #include "ui_tabview.hpp"
 #include "ui_navigation.hpp"
 #include "string_format.hpp"
-#include "ui_styles.hpp"

 // 1Mhz helper
 #ifdef OneMHz
@@ -38,16 +37,19 @@
 #endif
 #define OneMHz 1000000

-// modes
+// main app mode
 #define RECON_MATCH_CONTINUOUS 0
 #define RECON_MATCH_SPARSE 1

+// repeater mode
+#define RECON_REPEAT_AND_DELETE 0
+#define RECON_REPEAT_AND_KEEP 1
+
 // statistics update interval in ms (change here if the statistics API is changing it's pace)
 #define STATS_UPDATE_INTERVAL 100

 // maximum lock duration
 #define RECON_MAX_LOCK_DURATION 9900
-
 #define RECON_DEF_SQUELCH -14

 // default number of match to have a lock
@@ -57,7 +59,7 @@

 // screen size helper
 #define SCREEN_W 240
-//#define SCREEN_H 320
+// #define SCREEN_H 320

 // recon settings nb params
 #define RECON_SETTINGS_NB_PARAMS 7
@@ -150,15 +152,21 @@ class ReconSetupViewMore : public View {

    Checkbox checkbox_repeat_recorded{
        {1 * 8, 162},
-        3,
-        "repeater,"};
+        0,
+        ""};
+
+    OptionsField field_repeat_file_mode{
+        {4 * 8 + 3, 165},
+        13,
+        {{"repeat,delete", RECON_REPEAT_AND_DELETE},
+         {"repeat,keep  ", RECON_REPEAT_AND_KEEP}}};

    Text text_repeat_nb{
-        {14 * 8, 165, 3 * 8, 22},
+        {20 * 8, 165, 3 * 8, 22},
        "nb:"};

    NumberField field_repeat_nb{
-        {17 * 8, 165},
+        {23 * 8, 165},
        2,
        {1, 99},
        1,
@@ -217,8 +225,8 @@ class ReconSetupView : public View {
    ReconSetupViewMore viewMore{nav_, view_rect};

    TabView tab_view{
-        {"Main", Color::cyan(), &viewMain},
-        {"More", Color::green(), &viewMore}};
+        {"Main", Theme::getInstance()->fg_cyan->foreground, &viewMain},
+        {"More", Theme::getInstance()->fg_green->foreground, &viewMore}};

    Button button_save{
        {9 * 8, 255, 14 * 8, 40},
@@ -32,6 +32,7 @@
 #include "ui_receiver.hpp"
 #include "ui_textentry.hpp"
 #include "utility.hpp"
+#include "file_path.hpp"

 using namespace portapack;
 namespace fs = std::filesystem;
@@ -176,11 +177,11 @@ void RemoteButton::paint(Painter& painter) {
    // Add a border on the highlighted button.
    if (has_focus() || highlighted()) {
        auto r = screen_rect();
-        painter.draw_rectangle(r, Color::white());
+        painter.draw_rectangle(r, Theme::getInstance()->bg_darkest->foreground);

        auto p = r.location() + Point{1, 1};
        auto s = Size{r.size().width() - 2, r.size().height() - 2};
-        painter.draw_rectangle({p, s}, Color::light_grey());
+        painter.draw_rectangle({p, s}, Theme::getInstance()->fg_light->foreground);
    }
 };

@@ -246,7 +247,7 @@ RemoteEntryEditView::RemoteEntryEditView(

    field_path.on_select = [this, &nav](TextField&) {
        auto open_view = nav.push<FileLoadView>(".C*");
-        open_view->push_dir(u"CAPTURES");
+        open_view->push_dir(captures_dir);
        open_view->on_changed = [this](fs::path path) {
            load_path(std::move(path));
            refresh_ui();
@@ -355,7 +356,7 @@ RemoteView::RemoteView(
    Dim waterfall_height = waterfall_bottom - waterfall_top;
    waterfall.set_parent_rect({0, waterfall_top, screen_width, waterfall_height});

-    ensure_directory(u"REMOTES");
+    ensure_directory(remotes_dir);

    // Load the previously loaded remote if exists.
    if (!load_remote(settings_.remote_path))
@@ -527,7 +528,7 @@ void RemoteView::new_remote() {

 void RemoteView::open_remote() {
    auto open_view = nav_.push<FileLoadView>(".REM");
-    open_view->push_dir(u"REMOTES");
+    open_view->push_dir(remotes_dir);
    open_view->on_changed = [this](fs::path path) {
        save_remote();
        load_remote(std::move(path));
@@ -538,7 +539,7 @@ void RemoteView::open_remote() {
 void RemoteView::init_remote() {
    model_ = {"<Unnamed Remote>", {}};
    reset_buttons();
-    set_remote_path(next_filename_matching_pattern(u"/REMOTES/REMOTE_????.REM"));
+    set_remote_path(next_filename_matching_pattern(remotes_dir / u"REMOTE_????.REM"));
    set_needs_save(false);

    if (remote_path_.empty())
@@ -200,15 +200,15 @@ class RemoteEntryEditView : public View {
    void load_path(std::filesystem::path&& path);

    Labels labels{
-        {{2 * 8, 1 * 16}, "Name:", Color::light_grey()},
-        {{2 * 8, 2 * 16}, "Path:", Color::light_grey()},
-        {{2 * 8, 3 * 16}, "Freq:", Color::light_grey()},
-        {{17 * 8, 3 * 16}, "MHz", Color::light_grey()},
-        {{2 * 8, 4 * 16}, "Rate:", Color::light_grey()},
-        {{2 * 8, 5 * 16}, "Icon:", Color::light_grey()},
-        {{2 * 8, 6 * 16}, "FG Color:", Color::light_grey()},
-        {{2 * 8, 7 * 16}, "BG Color:", Color::light_grey()},
-        {{8 * 8, 9 * 16}, "Button preview", Color::light_grey()},
+        {{2 * 8, 1 * 16}, "Name:", Theme::getInstance()->fg_light->foreground},
+        {{2 * 8, 2 * 16}, "Path:", Theme::getInstance()->fg_light->foreground},
+        {{2 * 8, 3 * 16}, "Freq:", Theme::getInstance()->fg_light->foreground},
+        {{17 * 8, 3 * 16}, "MHz", Theme::getInstance()->fg_light->foreground},
+        {{2 * 8, 4 * 16}, "Rate:", Theme::getInstance()->fg_light->foreground},
+        {{2 * 8, 5 * 16}, "Icon:", Theme::getInstance()->fg_light->foreground},
+        {{2 * 8, 6 * 16}, "FG Color:", Theme::getInstance()->fg_light->foreground},
+        {{2 * 8, 7 * 16}, "BG Color:", Theme::getInstance()->fg_light->foreground},
+        {{8 * 8, 9 * 16}, "Button preview", Theme::getInstance()->fg_light->foreground},
    };

    TextField field_name{{8 * 8, 1 * 16, 20 * 8, 1 * 16}, {}};
@@ -26,6 +26,7 @@
 #include "optional.hpp"
 #include "ui_fileman.hpp"
 #include "ui_freqman.hpp"
+#include "file_path.hpp"

 using namespace portapack;
 namespace fs = std::filesystem;
@@ -184,16 +185,16 @@ void ScannerView::bigdisplay_update(int32_t v) {

        switch (bigdisplay_current_color) {
            case BDC_GREY:
-                big_display.set_style(&Styles::grey);
+                big_display.set_style(Theme::getInstance()->fg_medium);
                break;
            case BDC_YELLOW:
-                big_display.set_style(&Styles::yellow);
+                big_display.set_style(Theme::getInstance()->fg_yellow);
                break;
            case BDC_GREEN:
-                big_display.set_style(&Styles::green);
+                big_display.set_style(Theme::getInstance()->fg_green);
                break;
            case BDC_RED:
-                big_display.set_style(&Styles::red);
+                big_display.set_style(Theme::getInstance()->fg_red);
                break;
            default:
                break;
@@ -279,10 +280,10 @@ void ScannerView::show_max_index() {  // show total number of freqs to scan
    field_current_index.set_text("<->");

    if (entries.size() == FREQMAN_MAX_PER_FILE) {
-        text_max_index.set_style(&Styles::red);
+        text_max_index.set_style(Theme::getInstance()->fg_red);
        text_max_index.set("/ " + to_string_dec_uint(FREQMAN_MAX_PER_FILE) + " (DB MAX!)");
    } else {
-        text_max_index.set_style(&Styles::grey);
+        text_max_index.set_style(Theme::getInstance()->fg_medium);
        text_max_index.set("/ " + to_string_dec_uint(entries.size()));
    }
 }
@@ -337,7 +338,7 @@ ScannerView::ScannerView(
        auto open_view = nav.push<FileLoadView>(".TXT");
        open_view->push_dir(freqman_dir);
        open_view->on_changed = [this, &nav](std::filesystem::path new_file_path) {
-            if (new_file_path.native().find(freqman_dir.native()) == 0) {
+            if (new_file_path.native().find((u"/" / freqman_dir).native()) == 0) {
                scan_pause();
                frequency_file_load(new_file_path);
            } else {
@@ -412,7 +413,7 @@ ScannerView::ScannerView(
    button_mic_app.on_select = [this](Button&) {
        if (scan_thread)
            scan_thread->stop();
-        // MicTX wants Modulation and Bandwidth overrides, but that's only stored on the RX model.
+        // MicTX wants Frequency, Modulation and Bandwidth overrides, but that's only stored on the RX model.
        nav_.replace<MicTXView>(receiver_model.settings());
    };

@@ -34,11 +34,10 @@
 #include "ui.hpp"
 #include "ui_mictx.hpp"
 #include "ui_receiver.hpp"
-#include "ui_styles.hpp"

 #define SCANNER_SLEEP_MS 50  // ms that Scanner Thread sleeps per loop
 #define STATISTICS_UPDATES_PER_SEC 10
-#define MAX_FREQ_LOCK 10  //# of 50ms cycles scanner locks into freq when signal detected, to verify signal is not spurious
+#define MAX_FREQ_LOCK 10  // # of 50ms cycles scanner locks into freq when signal detected, to verify signal is not spurious

 namespace ui {

@@ -172,12 +171,12 @@ class ScannerView : public View {
    };

    Labels labels{
-        {{0 * 8, 0 * 16}, "LNA:   VGA:   AMP:  VOL:", Color::light_grey()},
-        {{0 * 8, 1 * 16}, "BW:       SQ:    Wsa:   Wsl:", Color::light_grey()},
-        {{0 * 8, 10 * 16}, "SRCH START  SEARCH END  SWITCH", Color::light_grey()},
+        {{0 * 8, 0 * 16}, "LNA:   VGA:   AMP:  VOL:", Theme::getInstance()->fg_light->foreground},
+        {{0 * 8, 1 * 16}, "BW:       SQ:    Wsa:   Wsl:", Theme::getInstance()->fg_light->foreground},
+        {{0 * 8, 10 * 16}, "SRCH START  SEARCH END  SWITCH", Theme::getInstance()->fg_light->foreground},

-        {{0 * 8, (26 * 8) + 4}, "MODE:", Color::light_grey()},
-        {{11 * 8, (26 * 8) + 4}, "STEP:", Color::light_grey()},
+        {{0 * 8, (26 * 8) + 4}, "MODE:", Theme::getInstance()->fg_light->foreground},
+        {{11 * 8, (26 * 8) + 4}, "STEP:", Theme::getInstance()->fg_light->foreground},
    };

    LNAGainField field_lna{
@@ -56,7 +56,7 @@ void ScriptView::setup_list() {
    menu_view.clear();

    /*for (n = 0; n < frequencies.size(); n++) {
-                menu_view.add_item({ freqman_item_string(frequencies[n]), ui::Color::white(), nullptr, [this](){ on_frequency_select(); } });
+                menu_view.add_item({ freqman_item_string(frequencies[n]), Theme::getInstance()->bg_darkest->foreground, nullptr, [this](){ on_frequency_select(); } });
        }*/

    menu_view.set_parent_rect({0, 0, 240, 168});
@@ -34,13 +34,13 @@ SdOverUsbView::SdOverUsbView(NavigationView& nav)
        ui::Painter painter;
        painter.fill_rectangle(
            {0, 0, portapack::display.width(), portapack::display.height()},
-            ui::Color::black());
+            Theme::getInstance()->bg_darkest->background);

        painter.draw_bitmap(
            {portapack::display.width() / 2 - 8, portapack::display.height() / 2 - 8},
            bitmap_icon_hackrf,
-            ui::Color::yellow(),
-            ui::Color::black());
+            Theme::getInstance()->bg_darkest->foreground,
+            Theme::getInstance()->bg_darkest->background);

        sdcDisconnect(&SDCD1);
        sdcStop(&SDCD1);
@@ -46,11 +46,11 @@ class SdOverUsbView : public View {
    NavigationView& nav_;

    Labels labels{
-        {{3 * 8, 2 * 16}, "Click Run to start the", Color::white()},
-        {{3 * 8, 3 * 16}, "USB Mass Storage Mode.", Color::white()},
-        {{3 * 8, 5 * 16}, "It can take up to 20s", Color::white()},
-        {{3 * 8, 6 * 16}, "for the drive to be", Color::white()},
-        {{3 * 8, 7 * 16}, "available.", Color::white()},
+        {{3 * 8, 2 * 16}, "Click Run to start the", Theme::getInstance()->bg_darkest->foreground},
+        {{3 * 8, 3 * 16}, "USB Mass Storage Mode.", Theme::getInstance()->bg_darkest->foreground},
+        {{3 * 8, 5 * 16}, "It can take up to 20s", Theme::getInstance()->bg_darkest->foreground},
+        {{3 * 8, 6 * 16}, "for the drive to be", Theme::getInstance()->bg_darkest->foreground},
+        {{3 * 8, 7 * 16}, "available.", Theme::getInstance()->bg_darkest->foreground},
    };

    Button button_run{
@@ -80,11 +80,11 @@ SearchView::SearchView(
        nav.push<FrequencySaveView>(entry.frequency);
    };

-    text_mean.set_style(&Styles::grey);
-    text_slices.set_style(&Styles::grey);
-    text_rate.set_style(&Styles::grey);
-    progress_timers.set_style(&Styles::grey);
-    big_display.set_style(&Styles::grey);
+    text_mean.set_style(Theme::getInstance()->fg_medium);
+    text_slices.set_style(Theme::getInstance()->fg_medium);
+    text_rate.set_style(Theme::getInstance()->fg_medium);
+    progress_timers.set_style(Theme::getInstance()->fg_medium);
+    big_display.set_style(Theme::getInstance()->fg_medium);

    field_frequency_min.set_step(100'000);
    bind(field_frequency_min, settings_.freq_min, nav, [this](auto) {
@@ -184,7 +184,7 @@ void SearchView::do_detection() {
                        recent_entries_view.set_dirty();

                        text_infos.set("Locked ! ");
-                        big_display.set_style(&Styles::green);
+                        big_display.set_style(Theme::getInstance()->fg_green);

                        locked = true;
                        locked_bin = bin_max;
@@ -209,7 +209,7 @@ void SearchView::do_detection() {
                recent_entries_view.set_dirty();

                text_infos.set("Listening");
-                big_display.set_style(&Styles::grey);
+                big_display.set_style(Theme::getInstance()->fg_medium);
            }
        }
    }
@@ -219,10 +219,10 @@ void SearchView::do_detection() {
    search_counter++;

    // Refresh red tick
-    portapack::display.fill_rectangle({last_tick_pos, 90, 1, 6}, Color::black());
+    portapack::display.fill_rectangle({last_tick_pos, 90, 1, 6}, Theme::getInstance()->fg_red->background);
    if (bin_max > -1) {
        last_tick_pos = (Coord)(bin_max / slices_nb);
-        portapack::display.fill_rectangle({last_tick_pos, 90, 1, 6}, Color::red());
+        portapack::display.fill_rectangle({last_tick_pos, 90, 1, 6}, Theme::getInstance()->fg_red->foreground);
    }
 }

@@ -26,7 +26,6 @@
 #include "radio_state.hpp"
 #include "spectrum_color_lut.hpp"
 #include "ui_receiver.hpp"
-#include "ui_styles.hpp"

 namespace ui {

@@ -162,12 +161,12 @@ class SearchView : public View {
    RecentEntriesView<RecentEntries<SearchRecentEntry>> recent_entries_view{columns, recent};

    Labels labels{
-        {{1 * 8, 0}, "Min:      Max:       LNA VGA", Color::light_grey()},
-        {{1 * 8, 4 * 8}, "Trig:   /255    Mean:   /255", Color::light_grey()},
-        {{1 * 8, 6 * 8}, "Slices:  /32      Rate:   Hz", Color::light_grey()},
-        {{6 * 8, 10 * 8}, "Timer  Status", Color::light_grey()},
-        {{1 * 8, 25 * 8}, "Accuracy +/-4.9kHz", Color::light_grey()},
-        {{26 * 8, 25 * 8}, "MHz", Color::light_grey()}};
+        {{1 * 8, 0}, "Min:      Max:       LNA VGA", Theme::getInstance()->fg_light->foreground},
+        {{1 * 8, 4 * 8}, "Trig:   /255    Mean:   /255", Theme::getInstance()->fg_light->foreground},
+        {{1 * 8, 6 * 8}, "Slices:  /32      Rate:   Hz", Theme::getInstance()->fg_light->foreground},
+        {{6 * 8, 10 * 8}, "Timer  Status", Theme::getInstance()->fg_light->foreground},
+        {{1 * 8, 25 * 8}, "Accuracy +/-4.9kHz", Theme::getInstance()->fg_light->foreground},
+        {{26 * 8, 25 * 8}, "MHz", Theme::getInstance()->fg_light->foreground}};

    FrequencyField field_frequency_min{
        {1 * 8, 1 * 16}};
@@ -4,6 +4,7 @@
 * Copyright (C) 2023 gullradriel, Nilorea Studio Inc.
 * Copyright (C) 2023 Kyle Reed
 * Copyright (C) 2024 Mark Thompson
+ * Copyright (C) 2024 u-foka
 * Copyleft (ɔ) 2024 zxkmm under GPL license
 *
 * This file is part of PortaPack.
@@ -30,6 +31,7 @@
 #include "ui_receiver.hpp"
 #include "ui_touch_calibration.hpp"
 #include "ui_text_editor.hpp"
+#include "ui_external_items_menu_loader.hpp"

 #include "portapack_persistent_memory.hpp"
 #include "lpc43xx_cpp.hpp"
@@ -40,14 +42,16 @@ using namespace lpc43xx;
 using namespace portapack;

 #include "file.hpp"
+#include "file_path.hpp"
 namespace fs = std::filesystem;

 #include "string_format.hpp"
-#include "ui_styles.hpp"
 #include "ui_font_fixed_8x16.hpp"
 #include "cpld_update.hpp"
 #include "config_mode.hpp"

+extern ui::SystemView* system_view_ptr;
+
 namespace pmem = portapack::persistent_memory;

 namespace ui {
@@ -225,9 +229,9 @@ SetRadioView::SetRadioView(
    value_source_frequency.set(clock_manager.get_freq());

    // Make these Text controls look like Labels.
-    label_source.set_style(&Styles::light_grey);
-    value_source.set_style(&Styles::light_grey);
-    value_source_frequency.set_style(&Styles::light_grey);
+    label_source.set_style(Theme::getInstance()->fg_light);
+    value_source.set_style(Theme::getInstance()->fg_light);
+    value_source_frequency.set_style(Theme::getInstance()->fg_light);

    SetFrequencyCorrectionModel model{
        static_cast<int8_t>(pmem::correction_ppb() / 1000), 0};
@@ -326,6 +330,10 @@ SetUIView::SetUIView(NavigationView& nav) {
    if (audio::speaker_disable_supported()) {
        add_child(&toggle_speaker);
    }
+    if (battery::BatteryManagement::isDetected()) {
+        add_child(&toggle_battery_icon);
+        add_child(&toggle_battery_text);
+    }

    checkbox_disable_touchscreen.set_value(pmem::disable_touchscreen());
    checkbox_showsplash.set_value(pmem::config_splash());
@@ -352,6 +360,8 @@ SetUIView::SetUIView(NavigationView& nav) {
    toggle_speaker.set_value(!pmem::ui_hide_speaker());
    toggle_mute.set_value(!pmem::ui_hide_mute());
    toggle_fake_brightness.set_value(!pmem::ui_hide_fake_brightness());
+    toggle_battery_icon.set_value(!pmem::ui_hide_battery_icon());
+    toggle_battery_text.set_value(!pmem::ui_hide_numeric_battery());
    toggle_sd_card.set_value(!pmem::ui_hide_sd_card());

    button_save.on_select = [&nav, this](Button&) {
@@ -379,6 +389,8 @@ SetUIView::SetUIView(NavigationView& nav) {
        pmem::set_ui_hide_speaker(!toggle_speaker.value());
        pmem::set_ui_hide_mute(!toggle_mute.value());
        pmem::set_ui_hide_fake_brightness(!toggle_fake_brightness.value());
+        pmem::set_ui_hide_battery_icon(!toggle_battery_icon.value());
+        pmem::set_ui_hide_numeric_battery(!toggle_battery_text.value());
        pmem::set_ui_hide_sd_card(!toggle_sd_card.value());
        send_system_refresh();

@@ -564,23 +576,23 @@ SetPersistentMemoryView::SetPersistentMemoryView(NavigationView& nav) {
        &button_return,
    });

-    text_pmem_status.set_style(&Styles::yellow);
+    text_pmem_status.set_style(Theme::getInstance()->fg_yellow);

    check_use_sdcard_for_pmem.set_value(pmem::should_use_sdcard_for_pmem());
    check_use_sdcard_for_pmem.on_select = [this](Checkbox&, bool v) {
        File pmem_flag_file_handle;
        if (v) {
-            if (fs::file_exists(PMEM_FILEFLAG)) {
+            if (fs::file_exists(settings_dir / PMEM_FILEFLAG)) {
                text_pmem_status.set("P.Mem flag file present.");
            } else {
-                auto error = pmem_flag_file_handle.create(PMEM_FILEFLAG);
+                auto error = pmem_flag_file_handle.create(settings_dir / PMEM_FILEFLAG);
                if (error)
                    text_pmem_status.set("Error creating P.Mem File!");
                else
                    text_pmem_status.set("P.Mem flag file created.");
            }
        } else {
-            auto result = delete_file(PMEM_FILEFLAG);
+            auto result = delete_file(settings_dir / PMEM_FILEFLAG);
            if (result.code() != FR_OK)
                text_pmem_status.set("Error deleting P.Mem flag!");
            else
@@ -633,13 +645,17 @@ void SetPersistentMemoryView::focus() {
 SetAudioView::SetAudioView(NavigationView& nav) {
    add_children({&labels,
                  &field_tone_mix,
+                  &checkbox_beep_on_packets,
                  &button_save,
                  &button_cancel});

    field_tone_mix.set_value(pmem::tone_mix());

+    checkbox_beep_on_packets.set_value(pmem::beep_on_packets());
+
    button_save.on_select = [&nav, this](Button&) {
        pmem::set_tone_mix(field_tone_mix.value());
+        pmem::set_beep_on_packets(checkbox_beep_on_packets.value());
        audio::output::update_audio_mute();
        nav.pop();
    };
@@ -716,13 +732,13 @@ AppSettingsView::AppSettingsView(

    menu_view.set_parent_rect({0, 3 * 8, 240, 33 * 8});

-    ensure_directory(SETTINGS_DIR);
+    ensure_directory(settings_dir);

-    for (const auto& entry : std::filesystem::directory_iterator(SETTINGS_DIR, u"*.ini")) {
-        auto path = (std::filesystem::path)SETTINGS_DIR / entry.path();
+    for (const auto& entry : std::filesystem::directory_iterator(settings_dir, u"*.ini")) {
+        auto path = settings_dir / entry.path();

        menu_view.add_item({path.filename().string().substr(0, 26),
-                            ui::Color::dark_cyan(),
+                            ui::Theme::getInstance()->fg_darkcyan->foreground,
                            &bitmap_icon_file_text,
                            [this, path](KeyEvent) {
                                nav_.push<TextEditorView>(path);
@@ -758,31 +774,44 @@ void SetConfigModeView::focus() {
    button_save.focus();
 }

-/* SetFakeBrightnessView ************************************/
+/* SetDisplayView ************************************/

-SetFakeBrightnessView::SetFakeBrightnessView(NavigationView& nav) {
+SetDisplayView::SetDisplayView(NavigationView& nav) {
    add_children({&labels,
                  &field_fake_brightness,
                  &button_save,
                  &button_cancel,
+                  &checkbox_invert_switch,
                  &checkbox_brightness_switch});

    field_fake_brightness.set_by_value(pmem::fake_brightness_level());
    checkbox_brightness_switch.set_value(pmem::apply_fake_brightness());
+    checkbox_invert_switch.set_value(pmem::config_lcd_inverted_mode());

    button_save.on_select = [&nav, this](Button&) {
        pmem::set_apply_fake_brightness(checkbox_brightness_switch.value());
        pmem::set_fake_brightness_level(field_fake_brightness.selected_index_value());
+        if (checkbox_invert_switch.value() != pmem::config_lcd_inverted_mode()) {
+            display.set_inverted(checkbox_invert_switch.value());
+            pmem::set_lcd_inverted_mode(checkbox_invert_switch.value());
+        }
        send_system_refresh();
        nav.pop();
    };
+    // only enable invert OR fake brightness
+    checkbox_invert_switch.on_select = [this](Checkbox&, bool v) {
+        if (v) checkbox_brightness_switch.set_value(false);
+    };
+    checkbox_brightness_switch.on_select = [this](Checkbox&, bool v) {
+        if (v) checkbox_invert_switch.set_value(false);
+    };

    button_cancel.on_select = [&nav, this](Button&) {
        nav.pop();
    };
 }

-void SetFakeBrightnessView::focus() {
+void SetDisplayView::focus() {
    button_save.focus();
 }

@@ -800,6 +829,7 @@ SetMenuColorView::SetMenuColorView(NavigationView& nav) {
                  &field_green_level,
                  &field_blue_level,
                  &button_save,
+                  &button_reset,
                  &button_cancel});

    button_sample.set_focusable(false);
@@ -817,6 +847,13 @@ SetMenuColorView::SetMenuColorView(NavigationView& nav) {
    field_green_level.on_change = color_changed_fn;
    field_blue_level.on_change = color_changed_fn;

+    button_reset.on_select = [&nav, this](Button&) {
+        field_red_level.set_value(127);
+        field_green_level.set_value(127);
+        field_blue_level.set_value(127);
+        set_dirty();
+    };
+
    button_save.on_select = [&nav, this](Button&) {
        Color c = Color(field_red_level.value(), field_green_level.value(), field_blue_level.value());
        pmem::set_menu_color(c);
@@ -833,30 +870,163 @@ void SetMenuColorView::focus() {
    button_save.focus();
 }

+/* SetAutoStartView ************************************/
+
+SetAutostartView::SetAutostartView(NavigationView& nav) {
+    add_children({&labels,
+                  &button_save,
+                  &button_cancel,
+                  &options});
+
+    button_save.on_select = [&nav, this](Button&) {
+        autostart_app = "";
+        if (selected != 0) {
+            auto it = full_app_list.find(selected);
+            if (it != full_app_list.end())
+                autostart_app = it->second;
+        }
+        nav.pop();
+    };
+
+    button_cancel.on_select = [&nav, this](Button&) {
+        nav.pop();
+    };
+
+    // options
+    i = 0;
+    OptionsField::option_t o{"-none-", i};
+    opts.emplace_back(o);
+    for (auto& app : NavigationView::appList) {
+        if (app.id == nullptr) continue;
+        i++;
+        o = {app.displayName, i};
+        opts.emplace_back(o);
+        full_app_list.emplace(i, app.id);
+        if (autostart_app == app.id) selected = i;
+    }
+    ExternalItemsMenuLoader::load_all_external_items_callback([this](ui::AppInfoConsole& app) {
+        if (app.appCallName == nullptr) return;
+        i++;
+        OptionsField::option_t o = {app.appFriendlyName, i};
+        opts.emplace_back(o);
+        full_app_list.emplace(i, app.appCallName);
+        if (autostart_app == app.appCallName) selected = i;
+    });
+
+    options.set_options(opts);
+    options.on_change = [this](size_t, OptionsField::value_t v) {
+        selected = v;
+    };
+    options.set_selected_index(selected);
+}
+
+void SetAutostartView::focus() {
+    options.focus();
+}
+
+/* SetThemeView ************************************/
+
+SetThemeView::SetThemeView(NavigationView& nav) {
+    add_children({&labels,
+                  &button_save,
+                  &button_cancel,
+                  &options,
+                  &checkbox_menuset});
+
+    button_save.on_select = [&nav, this](Button&) {
+        if (selected < Theme::ThemeId::MAX && (uint8_t)selected != portapack::persistent_memory::ui_theme_id()) {
+            portapack::persistent_memory::set_ui_theme_id((uint8_t)selected);
+            Theme::SetTheme((Theme::ThemeId)selected);
+            if (checkbox_menuset.value()) {
+                pmem::set_menu_color(Theme::getInstance()->bg_medium->background);
+            }
+            send_system_refresh();
+        }
+        nav.pop();
+    };
+
+    checkbox_menuset.set_value(true);
+
+    button_cancel.on_select = [&nav, this](Button&) {
+        nav.pop();
+    };
+
+    options.on_change = [this](size_t, OptionsField::value_t v) {
+        selected = v;
+    };
+    options.set_selected_index(portapack::persistent_memory::ui_theme_id());
+}
+
+void SetThemeView::focus() {
+    options.focus();
+}
+
+/* SetBatteryView ************************************/
+
+SetBatteryView::SetBatteryView(NavigationView& nav) {
+    add_children({&labels,
+                  &button_save,
+                  &button_cancel,
+                  &checkbox_overridebatt});
+
+    if (battery::BatteryManagement::detectedModule() == battery::BatteryManagement::BATT_MAX17055) add_children({&button_reset, &labels2});
+
+    button_save.on_select = [&nav, this](Button&) {
+        pmem::set_ui_override_batt_calc(checkbox_overridebatt.value());
+        battery::BatteryManagement::set_calc_override(checkbox_overridebatt.value());
+        send_system_refresh();
+        nav.pop();
+    };
+
+    button_reset.on_select = [&nav, this](Button&) {
+        if (battery::BatteryManagement::reset_learned())
+            nav.display_modal("Reset", "Battery parameters reset");
+        else
+            nav.display_modal("Error", "Error parameter reset");
+    };
+
+    checkbox_overridebatt.set_value(pmem::ui_override_batt_calc());
+
+    button_cancel.on_select = [&nav, this](Button&) {
+        nav.pop();
+    };
+}
+
+void SetBatteryView::focus() {
+    button_cancel.focus();
+}
+
 /* SettingsMenuView **************************************/

-SettingsMenuView::SettingsMenuView(NavigationView& nav) {
-    if (pmem::show_gui_return_icon()) {
-        add_items({{"..", ui::Color::light_grey(), &bitmap_icon_previous, [&nav]() { nav.pop(); }}});
-    }
-    add_items({
-        {"App Settings", ui::Color::dark_cyan(), &bitmap_icon_notepad, [&nav]() { nav.push<AppSettingsView>(); }},
-        {"Audio", ui::Color::dark_cyan(), &bitmap_icon_speaker, [&nav]() { nav.push<SetAudioView>(); }},
-        {"Calibration", ui::Color::dark_cyan(), &bitmap_icon_options_touch, [&nav]() { nav.push<TouchCalibrationView>(); }},
-        {"Config Mode", ui::Color::dark_cyan(), &bitmap_icon_clk_ext, [&nav]() { nav.push<SetConfigModeView>(); }},
-        {"Converter", ui::Color::dark_cyan(), &bitmap_icon_options_radio, [&nav]() { nav.push<SetConverterSettingsView>(); }},
-        {"Date/Time", ui::Color::dark_cyan(), &bitmap_icon_options_datetime, [&nav]() { nav.push<SetDateTimeView>(); }},
-        {"Encoder Dial", ui::Color::dark_cyan(), &bitmap_icon_setup, [&nav]() { nav.push<SetEncoderDialView>(); }},
-        {"Freq. Correct", ui::Color::dark_cyan(), &bitmap_icon_options_radio, [&nav]() { nav.push<SetFrequencyCorrectionView>(); }},
-        {"P.Memory Mgmt", ui::Color::dark_cyan(), &bitmap_icon_memory, [&nav]() { nav.push<SetPersistentMemoryView>(); }},
-        {"Radio", ui::Color::dark_cyan(), &bitmap_icon_options_radio, [&nav]() { nav.push<SetRadioView>(); }},
-        {"SD Card", ui::Color::dark_cyan(), &bitmap_icon_sdcard, [&nav]() { nav.push<SetSDCardView>(); }},
-        {"User Interface", ui::Color::dark_cyan(), &bitmap_icon_options_ui, [&nav]() { nav.push<SetUIView>(); }},
-        {"QR Code", ui::Color::dark_cyan(), &bitmap_icon_qr_code, [&nav]() { nav.push<SetQRCodeView>(); }},
-        {"Brightness", ui::Color::dark_cyan(), &bitmap_icon_brightness, [&nav]() { nav.push<SetFakeBrightnessView>(); }},
-        {"Menu Color", ui::Color::dark_cyan(), &bitmap_icon_brightness, [&nav]() { nav.push<SetMenuColorView>(); }},
-    });
+SettingsMenuView::SettingsMenuView(NavigationView& nav)
+    : nav_(nav) {
    set_max_rows(2);  // allow wider buttons
 }

+void SettingsMenuView::on_populate() {
+    if (pmem::show_gui_return_icon()) {
+        add_items({{"..", ui::Color::light_grey(), &bitmap_icon_previous, [this]() { nav_.pop(); }}});
+    }
+    add_items({
+        {"App Settings", ui::Color::dark_cyan(), &bitmap_icon_notepad, [this]() { nav_.push<AppSettingsView>(); }},
+        {"Audio", ui::Color::dark_cyan(), &bitmap_icon_speaker, [this]() { nav_.push<SetAudioView>(); }},
+        {"Calibration", ui::Color::dark_cyan(), &bitmap_icon_options_touch, [this]() { nav_.push<TouchCalibrationView>(); }},
+        {"Config Mode", ui::Color::dark_cyan(), &bitmap_icon_clk_ext, [this]() { nav_.push<SetConfigModeView>(); }},
+        {"Converter", ui::Color::dark_cyan(), &bitmap_icon_options_radio, [this]() { nav_.push<SetConverterSettingsView>(); }},
+        {"Date/Time", ui::Color::dark_cyan(), &bitmap_icon_options_datetime, [this]() { nav_.push<SetDateTimeView>(); }},
+        {"Encoder Dial", ui::Color::dark_cyan(), &bitmap_icon_setup, [this]() { nav_.push<SetEncoderDialView>(); }},
+        {"Freq. Correct", ui::Color::dark_cyan(), &bitmap_icon_options_radio, [this]() { nav_.push<SetFrequencyCorrectionView>(); }},
+        {"P.Memory Mgmt", ui::Color::dark_cyan(), &bitmap_icon_memory, [this]() { nav_.push<SetPersistentMemoryView>(); }},
+        {"Radio", ui::Color::dark_cyan(), &bitmap_icon_options_radio, [this]() { nav_.push<SetRadioView>(); }},
+        {"SD Card", ui::Color::dark_cyan(), &bitmap_icon_sdcard, [this]() { nav_.push<SetSDCardView>(); }},
+        {"User Interface", ui::Color::dark_cyan(), &bitmap_icon_options_ui, [this]() { nav_.push<SetUIView>(); }},
+        //{"QR Code", ui::Color::dark_cyan(), &bitmap_icon_qr_code, [this]() { nav_.push<SetQRCodeView>(); }},
+        {"Display", ui::Color::dark_cyan(), &bitmap_icon_brightness, [this]() { nav_.push<SetDisplayView>(); }},
+        {"Menu Color", ui::Color::dark_cyan(), &bitmap_icon_brightness, [this]() { nav_.push<SetMenuColorView>(); }},
+        {"Theme", ui::Color::dark_cyan(), &bitmap_icon_setup, [this]() { nav_.push<SetThemeView>(); }},
+        {"Autostart", ui::Color::dark_cyan(), &bitmap_icon_setup, [this]() { nav_.push<SetAutostartView>(); }},
+    });
+    if (battery::BatteryManagement::isDetected()) add_item({"Battery", ui::Color::dark_cyan(), &bitmap_icon_batt_icon, [this]() { nav_.push<SetBatteryView>(); }});
+}
+
 } /* namespace ui */
@@ -4,6 +4,7 @@
 * Copyright (C) 2023 gullradriel, Nilorea Studio Inc.
 * Copyright (C) 2023 Kyle Reed
 * Copyright (C) 2024 Mark Thompson
+ * Copyright (C) 2024 u-foka
 * Copyleft (ɔ) 2024 zxkmm under GPL license
 *
 * This file is part of PortaPack.
@@ -64,14 +65,14 @@ class SetDateTimeView : public View {
    std::vector<option_t> month_options = {{"Jan", 1}, {"Feb", 2}, {"Mar", 3}, {"Apr", 4}, {"May", 5}, {"Jun", 6}, {"Jul", 7}, {"Aug", 8}, {"Sep", 9}, {"Oct", 10}, {"Nov", 11}, {"Dec", 12}};

    Labels labels{
-        {{1 * 8, 1 * 16}, "Adjust the RTC clock date &", Color::light_grey()},
-        {{1 * 8, 2 * 16}, "time. If clock resets after", Color::light_grey()},
-        {{1 * 8, 3 * 16}, "reboot, coin batt. is dead. ", Color::light_grey()},
-        {{1 * 8, 5 * 16 - 2}, "YYYY-MM-DD HH:MM:SS  DoW DoY", Color::grey()},
-        {{5 * 8, 6 * 16}, "-  -     :  :", Color::light_grey()},
-        {{1 * 8, 11 * 16}, "DST adds 1 hour to RTC time.", Color::light_grey()},
-        {{0 * 8, 12 * 16}, "Start: 0:00 on Nth  DDD in", Color::light_grey()},
-        {{0 * 8, 13 * 16}, "End:   1:00 on Nth  DDD in", Color::light_grey()}};
+        {{1 * 8, 1 * 16}, "Adjust the RTC clock date &", Theme::getInstance()->fg_light->foreground},
+        {{1 * 8, 2 * 16}, "time. If clock resets after", Theme::getInstance()->fg_light->foreground},
+        {{1 * 8, 3 * 16}, "reboot, coin batt. is dead. ", Theme::getInstance()->fg_light->foreground},
+        {{1 * 8, 5 * 16 - 2}, "YYYY-MM-DD HH:MM:SS  DoW DoY", Theme::getInstance()->fg_medium->foreground},
+        {{5 * 8, 6 * 16}, "-  -     :  :", Theme::getInstance()->fg_light->foreground},
+        {{1 * 8, 11 * 16}, "DST adds 1 hour to RTC time.", Theme::getInstance()->fg_light->foreground},
+        {{0 * 8, 12 * 16}, "Start: 0:00 on Nth  DDD in", Theme::getInstance()->fg_light->foreground},
+        {{0 * 8, 13 * 16}, "End:   1:00 on Nth  DDD in", Theme::getInstance()->fg_light->foreground}};

    NumberField field_year{
        {1 * 8, 6 * 16},
@@ -209,8 +210,8 @@ class SetRadioView : public View {
        ""};

    Labels labels_correction{
-        {{2 * 8, 3 * 16}, "Frequency correction:", Color::light_grey()},
-        {{6 * 8, 4 * 16}, "PPM", Color::light_grey()},
+        {{2 * 8, 3 * 16}, "Frequency correction:", Theme::getInstance()->fg_light->foreground},
+        {{6 * 8, 4 * 16}, "PPM", Theme::getInstance()->fg_light->foreground},
    };

    NumberField field_ppm{
@@ -232,13 +233,13 @@ class SetRadioView : public View {
        SymField::Type::Dec};

    Labels labels_clkout_khz{
-        {{26 * 8, 6 * 16}, "kHz", Color::light_grey()}};
+        {{26 * 8, 6 * 16}, "kHz", Theme::getInstance()->fg_light->foreground}};

    Labels labels_bias{
-        {{4 * 8 + 4, 8 * 16}, "CAUTION: Ensure that all", Color::red()},
-        {{5 * 8 + 0, 9 * 16}, "devices attached to the", Color::red()},
-        {{6 * 8 + 0, 10 * 16}, "antenna connector can", Color::red()},
-        {{6 * 8 + 4, 11 * 16}, "accept a DC voltage!", Color::red()}};
+        {{4 * 8 + 4, 8 * 16}, "CAUTION: Ensure that all", Theme::getInstance()->error_dark->foreground},
+        {{5 * 8 + 0, 9 * 16}, "devices attached to the", Theme::getInstance()->error_dark->foreground},
+        {{6 * 8 + 0, 10 * 16}, "antenna connector can", Theme::getInstance()->error_dark->foreground},
+        {{6 * 8 + 4, 11 * 16}, "accept a DC voltage!", Theme::getInstance()->error_dark->foreground}};

    Checkbox check_bias{
        {18, 12 * 16},
@@ -318,41 +319,49 @@ class SetUIView : public View {
        "Back button in menu"};

    Labels labels{
-        {{3 * 8, 13 * 16}, "Show/Hide Status Icons", Color::light_grey()},
+        {{3 * 8, 13 * 16}, "Show/Hide Status Icons", Theme::getInstance()->fg_light->foreground},
    };

    ImageToggle toggle_camera{
-        {6 * 8, 14 * 16 + 2, 16, 16},
+        {2 * 8, 14 * 16 + 2, 16, 16},
        &bitmap_icon_camera};

    ImageToggle toggle_sleep{
-        {8 * 8, 14 * 16 + 2, 16, 16},
+        {4 * 8, 14 * 16 + 2, 16, 16},
        &bitmap_icon_sleep};

    ImageToggle toggle_stealth{
-        {10 * 8, 14 * 16 + 2, 16, 16},
+        {6 * 8, 14 * 16 + 2, 16, 16},
        &bitmap_icon_stealth};

    ImageToggle toggle_converter{
-        {12 * 8, 14 * 16 + 2, 16, 16},
+        {8 * 8, 14 * 16 + 2, 16, 16},
        &bitmap_icon_upconvert};

    ImageToggle toggle_bias_tee{
-        {14 * 8, 14 * 16 + 2, 16, 16},
+        {10 * 8, 14 * 16 + 2, 16, 16},
        &bitmap_icon_biast_off};

    ImageToggle toggle_clock{
-        {16 * 8, 14 * 16 + 2, 8, 16},
+        {12 * 8, 14 * 16 + 2, 8, 16},
        &bitmap_icon_clk_ext};

    ImageToggle toggle_mute{
-        {17 * 8, 14 * 16 + 2, 16, 16},
+        {13 * 8, 14 * 16 + 2, 16, 16},
        &bitmap_icon_speaker_and_headphones_mute};

    ImageToggle toggle_speaker{
-        {19 * 8, 14 * 16 + 2, 16, 16},
+        {15 * 8, 14 * 16 + 2, 16, 16},
        &bitmap_icon_speaker_mute};

+    ImageToggle toggle_battery_icon{
+        {17 * 8, 14 * 16 + 2, 16, 16},
+        &bitmap_icon_batt_icon};
+
+    ImageToggle toggle_battery_text{
+        {19 * 8, 14 * 16 + 2, 16, 16},
+        &bitmap_icon_batt_text};
+
    ImageToggle toggle_fake_brightness{
        {21 * 8, 14 * 16 + 2, 16, 16},
        &bitmap_icon_brightness};
@@ -381,8 +390,8 @@ class SetSDCardView : public View {
   private:
    Labels labels{
        // 01234567890123456789012345678
-        {{1 * 8, 120 - 48}, "    HIGH SPEED SDCARD IO     ", Color::light_grey()},
-        {{1 * 8, 120 - 32}, "   May or may not work !!    ", Color::light_grey()}};
+        {{1 * 8, 120 - 48}, "    HIGH SPEED SDCARD IO     ", Theme::getInstance()->fg_light->foreground},
+        {{1 * 8, 120 - 32}, "   May or may not work !!    ", Theme::getInstance()->fg_light->foreground}};

    Checkbox checkbox_sdcard_speed{
        {2 * 8, 120},
@@ -416,11 +425,11 @@ class SetConverterSettingsView : public View {

   private:
    Labels labels{
-        {{1 * 8, 1 * 16}, "Options for working with", Color::light_grey()},
-        {{1 * 8, 2 * 16}, "up/down converter hardware", Color::light_grey()},
-        {{1 * 8, 3 * 16}, "like a Ham It Up.", Color::light_grey()},
-        {{2 * 8, 9 * 16 - 2}, "Conversion frequency:", Color::light_grey()},
-        {{18 * 8, 10 * 16}, "MHz", Color::light_grey()},
+        {{1 * 8, 1 * 16}, "Options for working with", Theme::getInstance()->fg_light->foreground},
+        {{1 * 8, 2 * 16}, "up/down converter hardware", Theme::getInstance()->fg_light->foreground},
+        {{1 * 8, 3 * 16}, "like a Ham It Up.", Theme::getInstance()->fg_light->foreground},
+        {{2 * 8, 9 * 16 - 2}, "Conversion frequency:", Theme::getInstance()->fg_light->foreground},
+        {{18 * 8, 10 * 16}, "MHz", Theme::getInstance()->fg_light->foreground},
    };

    Checkbox check_show_converter{
@@ -460,13 +469,13 @@ class SetFrequencyCorrectionView : public View {

   private:
    Labels labels{
-        {{1 * 8, 1 * 16}, "Frequency correction allows", Color::light_grey()},
-        {{1 * 8, 2 * 16}, "RX and TX frequencies to be", Color::light_grey()},
-        {{1 * 8, 3 * 16}, "adjusted for all apps.", Color::light_grey()},
-        {{2 * 8, 6 * 16}, "RX Adjustment Frequency", Color::light_grey()},
-        {{18 * 8, 7 * 16}, "MHz", Color::light_grey()},
-        {{2 * 8, 9 * 16}, "TX Adjustment Frequency", Color::light_grey()},
-        {{18 * 8, 10 * 16}, "MHz", Color::light_grey()},
+        {{1 * 8, 1 * 16}, "Frequency correction allows", Theme::getInstance()->fg_light->foreground},
+        {{1 * 8, 2 * 16}, "RX and TX frequencies to be", Theme::getInstance()->fg_light->foreground},
+        {{1 * 8, 3 * 16}, "adjusted for all apps.", Theme::getInstance()->fg_light->foreground},
+        {{2 * 8, 6 * 16}, "RX Adjustment Frequency", Theme::getInstance()->fg_light->foreground},
+        {{18 * 8, 7 * 16}, "MHz", Theme::getInstance()->fg_light->foreground},
+        {{2 * 8, 9 * 16}, "TX Adjustment Frequency", Theme::getInstance()->fg_light->foreground},
+        {{18 * 8, 10 * 16}, "MHz", Theme::getInstance()->fg_light->foreground},
    };

    OptionsField opt_rx_correction_mode{
@@ -503,10 +512,14 @@ class SetAudioView : public View {

   private:
    Labels labels{
-        {{1 * 8, 1 * 16}, "Controls the volume of the", Color::light_grey()},
-        {{1 * 8, 2 * 16}, "tone when transmitting in", Color::light_grey()},
-        {{1 * 8, 3 * 16}, "Soundboard or Mic apps.", Color::light_grey()},
-        {{2 * 8, 5 * 16}, "Tone key mix:   %", Color::light_grey()},
+        {{1 * 8, 1 * 16}, "Controls the volume of the", Theme::getInstance()->fg_light->foreground},
+        {{1 * 8, 2 * 16}, "tone when transmitting in", Theme::getInstance()->fg_light->foreground},
+        {{1 * 8, 3 * 16}, "Soundboard or Mic apps:", Theme::getInstance()->fg_light->foreground},
+        {{2 * 8, 5 * 16}, "Tone key mix:   %", Theme::getInstance()->fg_light->foreground},
+        {{1 * 8, 8 * 16}, "Controls whether apps should", Theme::getInstance()->fg_light->foreground},
+        {{1 * 8, 9 * 16}, "beep on speaker & headphone", Theme::getInstance()->fg_light->foreground},
+        {{1 * 8, 10 * 16}, "when a packet is received", Theme::getInstance()->fg_light->foreground},
+        {{1 * 8, 11 * 16}, "(not all apps support this):", Theme::getInstance()->fg_light->foreground},
    };

    NumberField field_tone_mix{
@@ -516,6 +529,11 @@ class SetAudioView : public View {
        1,
        '0'};

+    Checkbox checkbox_beep_on_packets{
+        {3 * 8, 13 * 16},
+        16,
+        "Beep on RX packets"};
+
    Button button_save{
        {2 * 8, 16 * 16, 12 * 8, 32},
        "Save"};
@@ -536,8 +554,8 @@ class SetQRCodeView : public View {

   private:
    Labels labels{
-        {{1 * 8, 1 * 16}, "Change the size of the QR", Color::light_grey()},
-        {{1 * 8, 2 * 16}, "code shown in Radiosonde.", Color::light_grey()},
+        {{1 * 8, 1 * 16}, "Change the size of the QR", Theme::getInstance()->fg_light->foreground},
+        {{1 * 8, 2 * 16}, "code shown in Radiosonde.", Theme::getInstance()->fg_light->foreground},
    };

    Checkbox checkbox_bigger_qr{
@@ -568,14 +586,14 @@ class SetEncoderDialView : public View {

   private:
    Labels labels{
-        {{1 * 8, 1 * 16}, "Adjusts sensitivity to dial", Color::light_grey()},
-        {{1 * 8, 2 * 16}, "rotation position (number of", Color::light_grey()},
-        {{1 * 8, 3 * 16}, "steps per full rotation):", Color::light_grey()},
-        {{2 * 8, 5 * 16}, "Dial sensitivity:", Color::light_grey()},
-        {{1 * 8, 8 * 16}, "Adjusts sensitivity to dial", Color::light_grey()},
-        {{1 * 8, 9 * 16}, "rotation rate (default 1", Color::light_grey()},
-        {{1 * 8, 10 * 16}, "means no rate dependency):", Color::light_grey()},
-        {{3 * 8, 12 * 16}, "Rate multiplier:", Color::light_grey()},
+        {{1 * 8, 1 * 16}, "Adjusts sensitivity to dial", Theme::getInstance()->fg_light->foreground},
+        {{1 * 8, 2 * 16}, "rotation position (number of", Theme::getInstance()->fg_light->foreground},
+        {{1 * 8, 3 * 16}, "steps per full rotation):", Theme::getInstance()->fg_light->foreground},
+        {{2 * 8, 5 * 16}, "Dial sensitivity:", Theme::getInstance()->fg_light->foreground},
+        {{1 * 8, 8 * 16}, "Adjusts sensitivity to dial", Theme::getInstance()->fg_light->foreground},
+        {{1 * 8, 9 * 16}, "rotation rate (default 1", Theme::getInstance()->fg_light->foreground},
+        {{1 * 8, 10 * 16}, "means no rate dependency):", Theme::getInstance()->fg_light->foreground},
+        {{3 * 8, 12 * 16}, "Rate multiplier:", Theme::getInstance()->fg_light->foreground},
    };

    OptionsField field_encoder_dial_sensitivity{
@@ -612,9 +630,9 @@ class SetPersistentMemoryView : public View {

   private:
    Labels labels{
-        {{1 * 8, 1 * 16}, "Save persistent memory on SD", Color::light_grey()},
-        {{1 * 8, 2 * 16}, "card. Needed when device has", Color::light_grey()},
-        {{1 * 8, 3 * 16}, "dead/missing coin battery.", Color::light_grey()},
+        {{1 * 8, 1 * 16}, "Save persistent memory on SD", Theme::getInstance()->fg_light->foreground},
+        {{1 * 8, 2 * 16}, "card. Needed when device has", Theme::getInstance()->fg_light->foreground},
+        {{1 * 8, 3 * 16}, "dead/missing coin battery.", Theme::getInstance()->fg_light->foreground},
    };

    Text text_pmem_status{
@@ -654,7 +672,7 @@ class AppSettingsView : public View {
    NavigationView& nav_;

    Labels labels{
-        {{0, 4}, "Select file to edit:", Color::white()}};
+        {{0, 4}, "Select file to edit:", Theme::getInstance()->bg_darkest->foreground}};

    MenuView menu_view{
        {0, 2 * 8, 240, 26 * 8},
@@ -671,9 +689,9 @@ class SetConfigModeView : public View {

   private:
    Labels labels{
-        {{1 * 8, 1 * 16}, "Controls whether firmware", Color::light_grey()},
-        {{1 * 8, 2 * 16}, "will enter Config Mode", Color::light_grey()},
-        {{1 * 8, 3 * 16}, "after a boot failure.", Color::light_grey()},
+        {{1 * 8, 1 * 16}, "Controls whether firmware", Theme::getInstance()->fg_light->foreground},
+        {{1 * 8, 2 * 16}, "will enter Config Mode", Theme::getInstance()->fg_light->foreground},
+        {{1 * 8, 3 * 16}, "after a boot failure.", Theme::getInstance()->fg_light->foreground},
    };

    Checkbox checkbox_config_mode_enabled{
@@ -693,20 +711,20 @@ class SetConfigModeView : public View {

 using portapack::persistent_memory::fake_brightness_level_options;

-class SetFakeBrightnessView : public View {
+class SetDisplayView : public View {
   public:
-    SetFakeBrightnessView(NavigationView& nav);
+    SetDisplayView(NavigationView& nav);

    void focus() override;

-    std::string title() const override { return "Brightness"; };
+    std::string title() const override { return "Display"; };

   private:
    Labels labels{
-        {{1 * 8, 1 * 16}, "Limits screen brightness", Color::light_grey()},
-        {{1 * 8, 2 * 16}, "(has a small performance", Color::light_grey()},
-        {{1 * 8, 3 * 16}, "impact when enabled).", Color::light_grey()},
-        {{2 * 8, 8 * 16}, "Brightness:", Color::light_grey()},
+        {{1 * 8, 1 * 16}, "Limits screen brightness", Theme::getInstance()->fg_light->foreground},
+        {{1 * 8, 2 * 16}, "(has a small performance", Theme::getInstance()->fg_light->foreground},
+        {{1 * 8, 3 * 16}, "impact when enabled).", Theme::getInstance()->fg_light->foreground},
+        {{2 * 8, 8 * 16}, "Brightness:", Theme::getInstance()->fg_light->foreground},
    };

    OptionsField field_fake_brightness{
@@ -721,6 +739,11 @@ class SetFakeBrightnessView : public View {
        16,
        "Enable brightness adjust"};

+    Checkbox checkbox_invert_switch{
+        {1 * 8, 10 * 16},
+        23,
+        "Invert colors (For IPS)"};
+
    Button button_save{
        {2 * 8, 16 * 16, 12 * 8, 32},
        "Save"};
@@ -743,10 +766,10 @@ class SetMenuColorView : public View {
    void paint_sample();

    Labels labels{
-        {{3 * 8, 1 * 16}, "Menu Button Color Scheme", Color::light_grey()},
-        {{2 * 8, 8 * 16}, "Red Level:", Color::light_grey()},
-        {{2 * 8, 9 * 16}, "Green Level:", Color::light_grey()},
-        {{2 * 8, 10 * 16}, "Blue Level:", Color::light_grey()},
+        {{3 * 8, 1 * 16}, "Menu Button Color Scheme", Theme::getInstance()->fg_light->foreground},
+        {{2 * 8, 8 * 16}, "Red Level:", Theme::getInstance()->fg_light->foreground},
+        {{2 * 8, 9 * 16}, "Green Level:", Theme::getInstance()->fg_light->foreground},
+        {{2 * 8, 10 * 16}, "Blue Level:", Theme::getInstance()->fg_light->foreground},
    };

    NewButton button_sample{
@@ -779,6 +802,11 @@ class SetMenuColorView : public View {
        ' ',
    };

+    Button button_reset{
+        {2 * 8, 13 * 16, 12 * 8, 32},
+        "Reset",
+    };
+
    Button button_save{
        {2 * 8, 16 * 16, 12 * 8, 32},
        "Save"};
@@ -789,11 +817,125 @@ class SetMenuColorView : public View {
    };
 };

+class SetAutostartView : public View {
+   public:
+    SetAutostartView(NavigationView& nav);
+
+    void focus() override;
+
+    std::string title() const override { return "Autostart"; };
+
+   private:
+    int32_t i = 0;
+    std::string autostart_app{""};
+    OptionsField::options_t opts{};
+    std::map<int32_t, std::string> full_app_list{};  // looking table
+    int32_t selected = 0;
+    SettingsStore nav_setting{
+        "nav"sv,
+        {{"autostart_app"sv, &autostart_app}}};
+    Labels labels{
+        {{1 * 8, 1 * 16}, "Select app to start on boot", Theme::getInstance()->fg_light->foreground},
+        {{2 * 8, 2 * 16}, "(an SD Card is required)", Theme::getInstance()->fg_light->foreground}};
+
+    Button button_save{
+        {2 * 8, 16 * 16, 12 * 8, 32},
+        "Save"};
+
+    OptionsField options{
+        {8 * 8, 4 * 16},
+        30,
+        {}};
+
+    Button button_cancel{
+        {16 * 8, 16 * 16, 12 * 8, 32},
+        "Cancel",
+    };
+};
+
+class SetThemeView : public View {
+   public:
+    SetThemeView(NavigationView& nav);
+
+    void focus() override;
+
+    std::string title() const override { return "Theme"; };
+
+   private:
+    int32_t selected = 0;
+    Labels labels{
+        {{1 * 8, 1 * 16}, "Select a theme.", Theme::getInstance()->fg_light->foreground},
+        {{1 * 8, 2 * 16}, "Restart PP to fully apply!", Theme::getInstance()->fg_light->foreground}};
+
+    Button button_save{
+        {2 * 8, 16 * 16, 12 * 8, 32},
+        "Save"};
+
+    OptionsField options{
+        {8 * 8, 4 * 16},
+        30,
+        {
+            {"Default - Grey", 0},
+            {"Yellow", 1},
+            {"Aqua", 2},
+            {"Green", 3},
+            {"Red", 4},
+        }};
+
+    Checkbox checkbox_menuset{
+        {2 * 8, 6 * 16},
+        23,
+        "Set Menu color too"};
+
+    Button button_cancel{
+        {16 * 8, 16 * 16, 12 * 8, 32},
+        "Cancel",
+    };
+};
+
+class SetBatteryView : public View {
+   public:
+    SetBatteryView(NavigationView& nav);
+
+    void focus() override;
+
+    std::string title() const override { return "Battery"; };
+
+   private:
+    int32_t selected = 0;
+    Labels labels{
+        {{1 * 8, 1 * 16}, "Override batt calculation", Theme::getInstance()->fg_light->foreground},
+        {{1 * 8, 2 * 16}, "method to voltage based", Theme::getInstance()->fg_light->foreground}};
+    Labels labels2{
+        {{1 * 8, 6 * 16}, "Reset IC's learned params.", Theme::getInstance()->fg_light->foreground}};
+    Button button_save{
+        {2 * 8, 16 * 16, 12 * 8, 32},
+        "Save"};
+
+    Checkbox checkbox_overridebatt{
+        {2 * 8, 4 * 16},
+        23,
+        "Override"};
+
+    Button button_cancel{
+        {16 * 8, 16 * 16, 12 * 8, 32},
+        "Cancel",
+    };
+
+    Button button_reset{
+        {2 * 8, 8 * 16, 12 * 8, 32},
+        "Reset",
+    };
+};
+
 class SettingsMenuView : public BtnGridView {
   public:
    SettingsMenuView(NavigationView& nav);
-
    std::string title() const override { return "Settings"; };
+
+   private:
+    NavigationView& nav_;
+    void on_populate() override;
 };

 } /* namespace ui */
--- a/Show More
+++ b/Show More