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Implement proper shutdown procedure for R1 neo #2371

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Merged
liamcottle merged 1 commit into from
Apr 22, 2026
Merged

Implement proper shutdown procedure for R1 neo #2371

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5 changes: 4 additions & 1 deletion variants/muziworks_r1_neo/R1NeoBoard.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -14,9 +14,12 @@ const PowerMgtConfig power_config = {

void R1NeoBoard::initiateShutdown(uint8_t reason) {
// Disable LoRa module power before shutdown
MESH_DEBUG_PRINTLN("R1Neo: shutting down");
digitalWrite(SX126X_POWER_EN, LOW);

// Signal IO controller that MCU is off, then release DCDC latch
digitalWrite(PIN_SOFT_SHUTDOWN, LOW);
digitalWrite(PIN_DCDC_EN_MCU_HOLD, LOW);

if (reason == SHUTDOWN_REASON_LOW_VOLTAGE ||
reason == SHUTDOWN_REASON_BOOT_PROTECT) {
configureVoltageWake(power_config.lpcomp_ain_channel, power_config.lpcomp_refsel);
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6 changes: 6 additions & 0 deletions variants/muziworks_r1_neo/R1NeoBoard.h
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Expand Up @@ -18,6 +18,12 @@ class R1NeoBoard : public NRF52BoardDCDC {
R1NeoBoard() : NRF52Board("R1NEO_OTA") {}
void begin();

#ifdef NRF52_POWER_MANAGEMENT
void powerOff() override {
initiateShutdown(SHUTDOWN_REASON_USER);
}
#endif

#if defined(P_LORA_TX_LED)
void onBeforeTransmit() override {
digitalWrite(P_LORA_TX_LED, HIGH); // turn TX LED on
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