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Constantine 2025-07-28 23:56:34 +02:00 committed by GitHub
commit 41f61ae7f9
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@ -282,10 +282,14 @@ void cpuDeepSleep(uint32_t msecToWake)
#if SPI_INTERFACES_COUNT > 1
SPI1.end();
#endif
// This may cause crashes as debug messages continue to flow.
Serial.end();
if (Serial) // Another check in case of disabled default serial, does nothing bad
Serial.end(); // This may cause crashes as debug messages continue to flow.
// This causes troubles with waking up on nrf52 (on pro-micro in particular):
// we have no Serial1 in use on nrf52, check Serial and GPS modules.
#ifdef PIN_SERIAL1_RX
Serial1.end();
if (Serial1) // A straightforward solution to the wake from deepsleep problem
Serial1.end();
#endif
setBluetoothEnable(false);
@ -362,6 +366,7 @@ void cpuDeepSleep(uint32_t msecToWake)
// Resume on user button press
// https://github.com/lyusupov/SoftRF/blob/81c519ca75693b696752235d559e881f2e0511ee/software/firmware/source/SoftRF/src/platform/nRF52.cpp#L1738
constexpr uint32_t DFU_MAGIC_SKIP = 0x6d;
sd_power_gpregret_clr(0, 0xFF); // Clear the register before setting a new values in it for stability reasons
sd_power_gpregret_set(0, DFU_MAGIC_SKIP); // Equivalent NRF_POWER->GPREGRET = DFU_MAGIC_SKIP
// FIXME, use system off mode with ram retention for key state?
@ -378,6 +383,12 @@ void cpuDeepSleep(uint32_t msecToWake)
nrf_gpio_cfg_sense_set(PIN_BUTTON2, sense1);
#endif
#ifdef PROMICRO_DIY_TCXO
nrf_gpio_cfg_input(BUTTON_PIN, NRF_GPIO_PIN_PULLUP); // Enable internal pull-up on the button pin
nrf_gpio_pin_sense_t sense = NRF_GPIO_PIN_SENSE_LOW; // Configure SENSE signal on low edge
nrf_gpio_cfg_sense_set(BUTTON_PIN, sense); // Apply SENSE to wake up the device from the deep sleep
#endif
auto ok = sd_power_system_off();
if (ok != NRF_SUCCESS) {
LOG_ERROR("FIXME: Ignoring soft device (EasyDMA pending?) and forcing system-off!");