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Visual feedback on radio init failure - #3244

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ViezeVingertjes:radio-init-failure-indicator
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Visual feedback on radio init failure#3244
ViezeVingertjes wants to merge 1 commit into
meshcore-dev:devfrom
ViezeVingertjes:radio-init-failure-indicator

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Closes #1742.

Radio init failure used to hang silently (while(1);), with no feedback unless a serial console was attached.

On failure now:

  • the onboard LED blinks a repeating SOS pattern (prefers LED_PIN, falls back to LED_BUILTIN; boards with neither just hang as before)
  • boards that already bring up a display before radio init (companion_radio, simple_repeater, simple_room_server, simple_sensor) show "Radio Error" on screen

@ViezeVingertjes ViezeVingertjes changed the title examples: signal radio init failure via LED SOS blink and display mes… Visual feedback on radio init failure Aug 18, 2026
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