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Add hardware watchdog and QuickMsgScreen

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Watchdog: nRF52840 hardware WDT with 30s timeout, runs during sleep.
Resets device if main loop stalls for >30s. Pets in every loop()
iteration so normal operation never triggers it.

QuickMsgScreen: new UI screen accessible from home screen pages.
Two-phase UI: contact picker (shows all contacts with hop count),
then predefined message picker (location, I'm OK, need help, on my
way, ETA 10min, ETA 30min). Location message uses live GPS fix if
available. Sends via the_mesh.sendMessage() and shows sent/error alert.

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
This commit is contained in:
Jakub
2026-05-10 18:45:35 +02:00
parent 1fe5922c79
commit af2aca151f
3 changed files with 208 additions and 0 deletions
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10
examples/companion_radio/main.cpp
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@@ -221,9 +221,19 @@ void setup() {
#ifdef DISPLAY_CLASS
ui_task.begin(disp, &sensors, the_mesh.getNodePrefs()); // still want to pass this in as dependency, as prefs might be moved
#endif
#ifdef NRF52_PLATFORM
NRF_WDT->CONFIG = 0x01; // run during sleep; pause during debug halt
NRF_WDT->CRV = 32768*30-1; // 30 second timeout
NRF_WDT->RREN = 0x01; // enable reload register 0
NRF_WDT->TASKS_START = 1;
#endif
}
void loop() {
#ifdef NRF52_PLATFORM
NRF_WDT->RR[0] = 0x6E524635UL; // pet watchdog
#endif
the_mesh.loop();
sensors.loop();
#ifdef DISPLAY_CLASS