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b8ad44c43109d9bdbe0cbc53a9776c6715cd0fbd
mayhem-firmware/firmware/common
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Mo b8ad44c431 Opt-in channel-power squelch for AM audio RX (#3315) 
* AM: add opt-in channel-power squelch for AM audio RX

Add an SDR++-style power squelch on the complex channel signal for the
Analog Audio RX app in AM modes (DSB/SSB/CW). The squelch measures the
mean channel power, converts it to dBFS, and mutes the demodulated audio
when the signal is below a user-set threshold. Being carrier-based it
keys on the AM carrier (e.g. airband/ATC) rather than on audio-band
noise, which the existing FM squelch could not do for AM.

A new 'SQ' field (0-99, 0 = off) is added to the AM options view and is
persisted per app via app_settings. Default is 0, so existing AM
behaviour is unchanged unless the user enables it. Threshold maps 1..99
to -80..-20 dBFS.

Touches: message (AMConfigureMessage.squelch_level), baseband_api
(AMConfig::apply), receiver_model (am_squelch_level get/set),
app_settings (persistence), proc_am_audio (DSP), analog_audio_app (UI).

* Refactor audio power calculation to use magnitude squared

Co-authored-by: Copilot Autofix powered by AI <175728472+Copilot@users.noreply.github.com>

---------

Co-authored-by: Copilot Autofix powered by AI <175728472+Copilot@users.noreply.github.com>
2026-09-14 20:54:54 +02:00
..
adc.hpp
Formatted code (#1007)
2023-05-19 08:16:05 +12:00
adsb_frame.cpp
ADS-B TX works well enough for dump1090 and gr-air-modes
2017-07-23 12:20:32 +01:00
adsb_frame.hpp
slightly improved ads-b receiver module (#2649)
2025-05-11 21:11:15 +02:00
adsb.cpp
slightly improved ads-b receiver module (#2649)
2025-05-11 21:11:15 +02:00
adsb.hpp
Openstreetmap support (#2765)
2025-08-27 06:37:57 +00:00
ais_baseband.cpp
SYNC
2016-01-31 09:34:24 +01:00
ais_baseband.hpp
Formatted code (#1007)
2023-05-19 08:16:05 +12:00
ais_packet.cpp
Formatted code (#1007)
2023-05-19 08:16:05 +12:00
ais_packet.hpp
Formatted code (#1007)
2023-05-19 08:16:05 +12:00
ak4951.cpp
Add retry mechanism for volume write (#3121)
2026-04-10 08:33:48 +02:00
ak4951.hpp
Add retry mechanism for volume write (#3121)
2026-04-10 08:33:48 +02:00
aprs_packet.cpp
Formatted code (#1007)
2023-05-19 08:16:05 +12:00
aprs_packet.hpp
Aprs tx gps added, and save config added, path added (#2937)
2026-01-25 10:01:33 +01:00
backlight.cpp
Formatted code (#1007)
2023-05-19 08:16:05 +12:00
backlight.hpp
enforce #ifndef __HEADER_H instead of #pragma once, for code consitency and better portability (#2296)
2024-10-14 15:50:04 +02:00
baseband_cpld.cpp
Formatted code (#1007)
2023-05-19 08:16:05 +12:00
baseband_cpld.hpp
Formatted code (#1007)
2023-05-19 08:16:05 +12:00
baseband_packet.hpp
Formatted code (#1007)
2023-05-19 08:16:05 +12:00
baseband_sgpio.cpp
Next praline clean up (#3077)
2026-03-08 13:39:53 +13:00
baseband_sgpio.hpp
Formatted code (#1007)
2023-05-19 08:16:05 +12:00
baseband.hpp
Formatted code (#1007)
2023-05-19 08:16:05 +12:00
battery.cpp
Fix battery display bug, and the flash time (#3232)
2026-06-22 16:20:49 +02:00
battery.hpp
Enhance battery detection and configuration handling (#3197)
2026-06-11 10:52:20 +02:00
bch_code.cpp
Formatted code (#1007)
2023-05-19 08:16:05 +12:00
bch_code.hpp
Formatted code (#1007)
2023-05-19 08:16:05 +12:00
bit_pattern.hpp
Formatted code (#1007)
2023-05-19 08:16:05 +12:00
bmp.hpp
Multi screen support, with dyn alignment (#2801)
2025-10-03 19:10:10 +02:00
bmpfile.cpp
Map improv. (#3226)
2026-06-16 17:54:32 +02:00
bmpfile.hpp
Faster osm (#2874)
2025-11-21 09:30:01 +01:00
buffer_exchange.cpp
Formatted code (#1007)
2023-05-19 08:16:05 +12:00
buffer_exchange.hpp
enforce #ifndef __HEADER_H instead of #pragma once, for code consitency and better portability (#2296)
2024-10-14 15:50:04 +02:00
buffer.cpp
Formatted code (#1007)
2023-05-19 08:16:05 +12:00
buffer.hpp
Oversample (#1336)
2023-08-02 21:59:26 +02:00
chibios_cpp.cpp
Formatted code (#1007)
2023-05-19 08:16:05 +12:00
chibios_cpp.hpp
Formatted code (#1007)
2023-05-19 08:16:05 +12:00
circular_buffer.hpp
Lazy line caching for Notepad (#1042)
2023-05-22 13:08:59 -07:00
complex.hpp
Added CU8 playback support (#3166)
2026-05-09 12:23:43 +02:00
convert.hpp
Freqman improvements (#1276)
2023-07-17 11:43:37 -07:00
cpld_max5.cpp
Add portapack cpld write usb serial command for AG256SL100 devices (#2401)
2024-12-05 08:12:14 +01:00
cpld_max5.hpp
Add portapack cpld write usb serial command for AG256SL100 devices (#2401)
2024-12-05 08:12:14 +01:00
cpld_update.cpp
Update to additional gpio definitions for praline (#3018)
2026-02-21 16:48:23 +13:00
cpld_update.hpp
Cpld autodetect & boot splash screen (#1888)
2024-02-14 23:17:33 +01:00
cpld_xilinx.cpp
added cpld info shell commands (#1703)
2024-01-02 00:18:53 +01:00
cpld_xilinx.hpp
added cpld info shell commands (#1703)
2024-01-02 00:18:53 +01:00
crc.hpp
acars to ext but disabled (#2288)
2024-10-07 15:58:37 +02:00
dsp_fft.cpp
New app: Spectrum Painter (#988)
2023-05-14 23:09:43 +02:00
dsp_fft.hpp
Formatted code (#1007)
2023-05-19 08:16:05 +12:00
dsp_fir_taps.cpp
SYNC
2016-01-31 09:34:24 +01:00
dsp_fir_taps.hpp
Add AM spectrum ZOOM x3/x4 with optimized x4 decimation (#3304)
2026-08-28 12:30:18 +02:00
dsp_iir_config.hpp
Airband VOR receiver and trasmitter (#3244)
2026-07-04 08:49:21 +02:00
dsp_iir.cpp
Formatted code (#1007)
2023-05-19 08:16:05 +12:00
dsp_iir.hpp
Formatted code (#1007)
2023-05-19 08:16:05 +12:00
dsp_sos_config.hpp
Wefax warning fix modulation fix (#2543)
2025-03-07 17:28:11 +01:00
dsp_sos.cpp
Rebased code from new eried repo commits. Changed to to reflect strijar implementation. Fixed previous issue with old ssb-am-tx ui_mictx code.
2021-03-21 20:21:50 -05:00
dsp_sos.hpp
Formatted code (#1007)
2023-05-19 08:16:05 +12:00
dsp_types.hpp
Formatted code (#1007)
2023-05-19 08:16:05 +12:00
ert_packet.cpp
Update Copyright in comment blocks (#1878)
2024-02-10 16:56:50 +01:00
ert_packet.hpp
Update Copyright in comment blocks (#1878)
2024-02-10 16:56:50 +01:00
event.cpp
SYNC
2016-01-31 09:34:24 +01:00
event.hpp
Formatted code (#1007)
2023-05-19 08:16:05 +12:00
external_app.hpp
Restore home menu order (#2384)
2024-11-23 21:37:03 +01:00
ffconf.h
Enable exFAT feature (#2437)
2024-12-20 07:55:39 +01:00
field_reader.hpp
Formatted code (#1007)
2023-05-19 08:16:05 +12:00
fifo.hpp
Formatted code (#1007)
2023-05-19 08:16:05 +12:00
flex_defs.hpp
FLEX RX: fix long-address numeric decode, improve short message format (#3136)
2026-04-18 21:15:05 +02:00
gcc.cpp
Formatted code (#1007)
2023-05-19 08:16:05 +12:00
gcc.hpp
Formatted code (#1007)
2023-05-19 08:16:05 +12:00
gpdma.cpp
Formatted code (#1007)
2023-05-19 08:16:05 +12:00
gpdma.hpp
Formatted code (#1007)
2023-05-19 08:16:05 +12:00
gpio.cpp
Gpio modify (#3229)
2026-06-19 07:48:55 +02:00
gpio.hpp
gpio fix; author: HTotoo (#3302)
2026-08-23 12:20:14 +02:00
hackrf_cpld_data.hpp
Formatted code (#1007)
2023-05-19 08:16:05 +12:00
hackrf_gpio.hpp
Gpio modify v4 (#3266)
2026-07-10 21:37:41 +02:00
hackrf_hal.cpp
PortaPack Sync, take 2 (#215)
2019-02-03 18:25:11 +00:00
hackrf_hal.hpp
PRALINE Tx and clock fix (Pr 3192 takeover (#3198) )
2026-05-31 12:44:40 +02:00
i2c_pp.cpp
I2C device manager (#2282)
2024-10-06 22:14:27 +02:00
i2c_pp.hpp
I2C device manager (#2282)
2024-10-06 22:14:27 +02:00
i2cdev_ads1110.cpp
Enhance battery detection and configuration handling (#3197)
2026-06-11 10:52:20 +02:00
i2cdev_ads1110.hpp
I2C device manager (#2282)
2024-10-06 22:14:27 +02:00
i2cdev_bh1750.cpp
sht4x support,, typo fix (#2843)
2025-10-28 10:14:11 +08:00
i2cdev_bh1750.hpp
I2C device manager (#2282)
2024-10-06 22:14:27 +02:00
i2cdev_bmx280.cpp
I2C device manager (#2282)
2024-10-06 22:14:27 +02:00
i2cdev_bmx280.hpp
I2C device manager (#2282)
2024-10-06 22:14:27 +02:00
i2cdev_max17055.cpp
MAX 17055 sleep bug fixes.
2026-06-25 09:08:44 +02:00
i2cdev_max17055.hpp
Fix battery display bug, and the flash time (#3232)
2026-06-22 16:20:49 +02:00
i2cdev_ppmod_helper.hpp
I2cshell (#2348)
2024-11-08 11:46:27 +01:00
i2cdev_ppmod.cpp
Change charge display off to sleep (#3153)
2026-04-29 19:57:17 +02:00
i2cdev_ppmod.hpp
Add power off command to I2cDev_PPmod class (#3152)
2026-04-23 13:18:56 +02:00
i2cdev_sht3x.cpp
I2C device manager (#2282)
2024-10-06 22:14:27 +02:00
i2cdev_sht3x.hpp
I2C device manager (#2282)
2024-10-06 22:14:27 +02:00
i2cdev_sht4x.cpp
sht4x support,, typo fix (#2843)
2025-10-28 10:14:11 +08:00
i2cdev_sht4x.hpp
sht4x support,, typo fix (#2843)
2025-10-28 10:14:11 +08:00
i2cdevlist.hpp
sht4x support,, typo fix (#2843)
2025-10-28 10:14:11 +08:00
i2cdevmanager_c_api.h
I2cshell (#2348)
2024-11-08 11:46:27 +01:00
i2cdevmanager.cpp
#3288 (#3297)
2026-08-21 19:56:54 +02:00
i2cdevmanager.hpp
HackRF Pro (praline) arch-port initial PR (#2958)
2026-02-11 09:15:11 +01:00
i2s.hpp
Formatted code (#1007)
2023-05-19 08:16:05 +12:00
jammer.cpp
Finished jammer modes
2017-02-13 05:35:13 +00:00
jammer.hpp
80mhz jammer range (#2682)
2025-06-05 07:08:03 -07:00
jtag_tap.cpp
added cpld info shell commands (#1703)
2024-01-02 00:18:53 +01:00
jtag_tap.hpp
added cpld info shell commands (#1703)
2024-01-02 00:18:53 +01:00
jtag_target_gpio.hpp
Formatted code (#1007)
2023-05-19 08:16:05 +12:00
jtag_target.hpp
Formatted code (#1007)
2023-05-19 08:16:05 +12:00
jtag.cpp
added cpld info shell commands (#1703)
2024-01-02 00:18:53 +01:00
jtag.hpp
#3288 (#3297)
2026-08-21 19:56:54 +02:00
lcd_ili9341.cpp
remove fake brightness feature (#3296)
2026-08-20 20:46:29 +02:00
lcd_ili9341.hpp
fix some bugs due to framesync not fired on stealth mode (#2834)
2025-10-18 13:13:51 +02:00
lfsr_random.cpp
Formatted code (#1007)
2023-05-19 08:16:05 +12:00
lfsr_random.hpp
Formatted code (#1007)
2023-05-19 08:16:05 +12:00
lpc43xx_cpp.hpp
Formatted code (#1007)
2023-05-19 08:16:05 +12:00
manchester.cpp
Formatted code (#1007)
2023-05-19 08:16:05 +12:00
manchester.hpp
Update clang format to 18 (#2891)
2025-12-14 11:26:21 +01:00
mathdef.hpp
Openstreetmap support (#2765)
2025-08-27 06:37:57 +00:00
memory_map.hpp
Move flashsize.h to build directory to avoid conflicts when switching between different builds (#3021)
2026-02-22 21:21:03 +01:00
message_queue.cpp
Formatted code (#1007)
2023-05-19 08:16:05 +12:00
message_queue.hpp
Update clang format to 18 (#2891)
2025-12-14 11:26:21 +01:00
message.hpp
Opt-in channel-power squelch for AM audio RX (#3315)
2026-09-14 20:54:54 +02:00
morse.cpp
Fixes (#3032)
2026-02-24 11:23:41 +01:00
morse.hpp
Formatted code (#1007)
2023-05-19 08:16:05 +12:00
msgpack.cpp
Formatted code (#1007)
2023-05-19 08:16:05 +12:00
msgpack.hpp
Formatted code (#1007)
2023-05-19 08:16:05 +12:00
optional.hpp
Allow frequency override in Playlist, Folder fixes (#1194)
2023-06-26 19:44:01 +02:00
oversample.hpp
Small fine tuning xOVS selection for BW 25k (#1430)
2023-09-02 00:35:43 +02:00
performance_counter.cpp
Formatted code (#1007)
2023-05-19 08:16:05 +12:00
performance_counter.hpp
refactoring
2023-04-24 13:04:59 +02:00
pins.hpp
Add praline gpio (#3218)
2026-06-11 13:24:42 +02:00
platform.hpp
Adding support for HackRF One R9, as per https://github.com/sharebrained/portapack-hackrf/pull/187
2023-02-16 12:10:26 +00:00
png_writer.cpp
fix png part
2025-05-23 00:23:35 +08:00
png_writer.hpp
Prepare for display orientation part 1 (#2661)
2025-05-22 23:24:53 +08:00
pocsag_packet.cpp
Added basic POCSAG receiver
2016-08-23 08:45:33 +02:00
pocsag_packet.hpp
POCSAG: decoder fixes, serial output, TX polarity cleanup (#3130)
2026-04-10 08:35:43 +02:00
pocsag.cpp
POCSAG: show '?' for characters from uncorrectable codewords (#3138)
2026-04-18 18:56:33 +02:00
pocsag.hpp
POCSAG: decoder fixes, serial output, TX polarity cleanup (#3130)
2026-04-10 08:35:43 +02:00
portapack_adc.hpp
Next praline clean up (add SW: RSSI for hackrf pro praline) (#3091)
2026-03-17 08:13:09 +01:00
portapack_cpld_data.hpp
HackRF Pro (praline) arch-port initial PR (#2958)
2026-02-11 09:15:11 +01:00
portapack_dma.hpp
Formatted code (#1007)
2023-05-19 08:16:05 +12:00
portapack_hal.hpp
Gpio modify v4 (#3266)
2026-07-10 21:37:41 +02:00
portapack_io.cpp
remove fake brightness feature (#3296)
2026-08-20 20:46:29 +02:00
portapack_io.hpp
remove fake brightness feature (#3296)
2026-08-20 20:46:29 +02:00
portapack_persistent_memory.cpp
remove fake brightness feature (#3296)
2026-08-20 20:46:29 +02:00
portapack_persistent_memory.hpp
remove fake brightness feature (#3296)
2026-08-20 20:46:29 +02:00
portapack_shared_memory.cpp
Formatted code (#1007)
2023-05-19 08:16:05 +12:00
portapack_shared_memory.hpp
Wait tx complete (#3165)
2026-05-12 12:45:02 +02:00
random.cpp
Formatted code (#1007)
2023-05-19 08:16:05 +12:00
random.hpp
Update clang format to 18 (#2891)
2025-12-14 11:26:21 +01:00
result.hpp
App settings revamp (#1139)
2023-06-11 11:47:13 -07:00
simd.hpp
Formatted code (#1007)
2023-05-19 08:16:05 +12:00
sine_table_int8.hpp
Remove sine table lookup from proc_ook (#3201)
2026-06-12 16:26:13 +02:00
sine_table.hpp
Formatted code (#1007)
2023-05-19 08:16:05 +12:00
sonde_packet.cpp
Sonde + map (#2879)
2025-11-26 19:13:21 +01:00
sonde_packet.hpp
Sonde + map (#2879)
2025-11-26 19:13:21 +01:00
spi_image.hpp
Added tetra rx ext app (#3257)
2026-07-09 09:10:08 +02:00
sstv.hpp
Update clang format to 18 (#2891)
2025-12-14 11:26:21 +01:00
standalone_app.hpp
Refactor OnTouchEvent functions to return boolean values for better event handling (#2854)
2025-11-05 20:53:23 +01:00
test_packet.cpp
Formatted code (#1007)
2023-05-19 08:16:05 +12:00
test_packet.hpp
Formatted code (#1007)
2023-05-19 08:16:05 +12:00
thread_base.hpp
Fix baseband thread init order bug for all procs. (#1293)
2023-07-23 08:54:17 +02:00
thread_wait.cpp
Formatted code (#1007)
2023-05-19 08:16:05 +12:00
thread_wait.hpp
Formatted code (#1007)
2023-05-19 08:16:05 +12:00
tonesets.hpp
Gcc12 related fixes (#1138)
2023-06-10 07:50:42 +12:00
tpms_packet.cpp
Update Copyright in comment blocks (#1878)
2024-02-10 16:56:50 +01:00
tpms_packet.hpp
Update Copyright in comment blocks (#1878)
2024-02-10 16:56:50 +01:00
ui_focus.cpp
rename Widget::visible to Widget::drawn (#3066)
2026-03-04 21:30:43 +01:00
ui_focus.hpp
External module api (#2290)
2024-10-14 13:07:41 +02:00
ui_language.cpp
Ook remote adjustements (#2365)
2024-11-18 14:51:49 +01:00
ui_language.hpp
Ook remote adjustements (#2365)
2024-11-18 14:51:49 +01:00
ui_painter.cpp
remove my dumb nicknames in files (#3254)
2026-07-07 11:04:34 +02:00
ui_painter.hpp
remove my dumb nicknames in files (#3254)
2026-07-07 11:04:34 +02:00
ui_text.cpp
Use unicode standard 0xA0-0xFF for Latin 1 characters (#1263)
2023-07-12 07:14:00 -05:00
ui_text.hpp
External module api (#2290)
2024-10-14 13:07:41 +02:00
ui_widget.cpp
Remove dead _previous_frequency state from BigFrequency widget (#3294)
2026-08-19 10:15:39 +08:00
ui_widget.hpp
Remove dead _previous_frequency state from BigFrequency widget (#3294)
2026-08-19 10:15:39 +08:00
ui.cpp
Prepare for display orientation part 1 (#2661)
2025-05-22 23:24:53 +08:00
ui.hpp
Add Security+ 2.0 TX App (#3217)
2026-06-15 19:28:47 +02:00
units.hpp
Fix units tpms not compiling (#2994)
2026-02-16 15:50:27 +01:00
untar.hpp
Check app checksums during untar (#1815)
2024-01-27 13:29:24 +01:00
utility_m4.hpp
Formatted code (#1007)
2023-05-19 08:16:05 +12:00
utility.cpp
Fixes (#3032)
2026-02-24 11:23:41 +01:00
utility.hpp
Multi screen support, with dyn alignment (#2801)
2025-10-03 19:10:10 +02:00
volume.hpp
Persist audio (#1110)
2023-06-05 20:09:50 +02:00
wm8731.cpp
Add retry mechanism for volume write (#3121)
2026-04-10 08:33:48 +02:00
wm8731.hpp
Add retry mechanism for volume write (#3121)
2026-04-10 08:33:48 +02:00