Move APRS transmitter to external app

firmware/application/CMakeLists.txt

@@ -285,7 +285,6 @@ set(CPPSRC
 	apps/capture_app.cpp
 	apps/pocsag_app.cpp
 	apps/ui_about_simple.cpp
-	apps/ui_aprs_tx.cpp
 	apps/ui_battinfo.cpp
 	apps/ui_bmp_file_viewer.cpp
 	apps/ui_btle_rx.cpp

firmware/application/external/aprs_tx/main.cpp

@@ -0,0 +1,57 @@
+/*
+ * Copyright (C) 2026 PortaPack Mayhem
+ *
+ * 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_aprs_tx.hpp"
+#include "ui_navigation.hpp"
+#include "external_app.hpp"
+
+namespace ui::external_app::aprs_tx {
+
+void initialize_app(ui::NavigationView& nav) {
+    nav.push<APRSTXView>();
+}
+
+}  // namespace ui::external_app::aprs_tx
+
+extern "C" {
+
+__attribute__((section(".external_app.app_aprs_tx.application_information"), used)) application_information_t _application_information_aprs_tx = {
+    /*.memory_location = */ (uint8_t*)0x00000000,
+    /*.externalAppEntry = */ ui::external_app::aprs_tx::initialize_app,
+    /*.header_version = */ CURRENT_HEADER_VERSION,
+    /*.app_version = */ VERSION_MD5,
+
+    /*.app_name = */ "APRS TX",
+    /*.bitmap_data = */ {
+        0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xF0, 0x0F,
+        0x4C, 0x32, 0xFE, 0x7F, 0x25, 0xA4, 0x25, 0xA4,
+        0xFF, 0xFF, 0x25, 0xA4, 0x25, 0xA4, 0xFE, 0x7F,
+        0x4C, 0x32, 0xF0, 0x0F, 0x00, 0x00, 0x00, 0x00,
+    },
+    /*.icon_color = */ ui::Color::green().v,
+    /*.menu_location = */ app_location_t::TX,
+    /*.desired_menu_position = */ -1,
+
+    /*.m4_app_tag = portapack::spi_flash::image_tag_afsk */ {'P', 'A', 'F', 'T'},
+    /*.m4_app_offset = */ 0x00000000,
+};
+
+}  // extern "C"

firmware/application/external/aprs_tx/ui_aprs_tx.cpp

@@ -37,7 +37,7 @@
 using namespace aprs;
 using namespace portapack;
 
-namespace ui {
+namespace ui::external_app::aprs_tx {
 
 void APRSTXView::focus() {
     tx_view.focus();
@@ -242,4 +242,4 @@ APRSTXView::APRSTXView(NavigationView& nav) {
     // process_coordinates(last_lat, last_lon); //don't load last, so won't confuse users
 }
 
-} /* namespace ui */
+}  // namespace ui::external_app::aprs_tx

firmware/application/external/aprs_tx/ui_aprs_tx.hpp

@@ -33,7 +33,7 @@
 #include "radio_state.hpp"
 #include "portapack.hpp"
 
-namespace ui {
+namespace ui::external_app::aprs_tx {
 
 class APRSTXView : public View {
    public:
@@ -161,4 +161,4 @@ class APRSTXView : public View {
         }};
 };
 
-} /* namespace ui */
+}  // namespace ui::external_app::aprs_tx

firmware/application/external/external.cmake

@@ -403,6 +403,10 @@ set(EXTCPPSRC
 	external/aprs_rx/main.cpp
 	external/aprs_rx/ui_aprs_rx.cpp
 
+	#aprs tx
+	external/aprs_tx/main.cpp
+	external/aprs_tx/ui_aprs_tx.cpp
+
 )
 
 set(EXTAPPLIST
@@ -500,6 +504,7 @@ set(EXTAPPLIST
 	adsbrx
 	ais_rx
 	aprs_rx
+	aprs_tx
 )
 
 # sdusb has type conflicts with PRALINE (HackRF Pro) - add only for non-PRALINE builds

firmware/application/external/external.ld

@@ -118,6 +118,7 @@ MEMORY
     ram_external_app_adsbrx                (rwx) : org = 0xAE0D0000, len = 32k
     ram_external_app_ais_rx                (rwx) : org = 0xAE0E0000, len = 32k
     ram_external_app_aprs_rx               (rwx) : org = 0xAE0F0000, len = 32k
+    ram_external_app_aprs_tx               (rwx) : org = 0xAE100000, len = 32k
 }
 
 SECTIONS
@@ -692,6 +693,12 @@ SECTIONS
         *(*ui*external_app*aprs_rx*);
     } > ram_external_app_aprs_rx
 
+    .external_app_aprs_tx : ALIGN(4) SUBALIGN(4)
+    {
+        KEEP(*(.external_app.app_aprs_tx.application_information));
+        *(*ui*external_app*aprs_tx*);
+    } > ram_external_app_aprs_tx
+
 
 
 }

firmware/application/ui_navigation.cpp

@@ -30,7 +30,6 @@
 #include "portapack.hpp"
 
 #include "ui_about_simple.hpp"
-#include "ui_aprs_tx.hpp"
 #include "ui_btle_rx.hpp"
 #include "ui_debug.hpp"
 #include "ui_encoders.hpp"
@@ -104,7 +103,6 @@ const NavigationView::AppList NavigationView::appList = {
     {"subghzd", "SubGhzD", RX, Color::yellow(), &bitmap_icon_remote, new ViewFactory<SubGhzDView>()},
     {"weather", "Weather", RX, Color::green(), &bitmap_icon_thermometer, new ViewFactory<WeatherView>()},
     /* TX ********************************************************************/
-    {"aprstx", "APRS TX", TX, ui::Color::green(), &bitmap_icon_aprs, new ViewFactory<APRSTXView>()},
     {"bletx", "BLE Tx", TX, ui::Color::green(), &bitmap_icon_btle, new ViewFactory<BLETxView>()},
     {"ooktx", "OOK", TX, ui::Color::yellow(), &bitmap_icon_remote, new ViewFactory<EncodersView>()},
     {"rdstx", "RDS", TX, ui::Color::green(), &bitmap_icon_rds, new ViewFactory<RDSView>()},

firmware/tools/external_app_info.py

@@ -24,4 +24,4 @@
 # external app address ranges below must match those in linker file "external.ld"
 maximum_application_size = 32*1024
 external_apps_address_start = 0xADB00000
-external_apps_address_end = 0xAE100000
+external_apps_address_end = 0xAE110000