General • RP2350 reset reason (CHIP_RESET) always shows POR

Code:

reset_reason_t hal_reset_reason_get(void){    // Use this function instead of checking the watchdog bits because it uses additional,    // scratch-register-based heuristics to determine if the watchdog reboot was "real",    // or if it was caused by a non-actual-WD-timeout reason like loading firmware through the bootrom    if(watchdog_enable_caused_reboot()) {        return RESET_REASON_WATCHDOG;    }    const uint32_t powman_chip_reset = powman_hw->chip_reset;    if(powman_chip_reset & (POWMAN_CHIP_RESET_HAD_GLITCH_DETECT_BITS | POWMAN_CHIP_RESET_HAD_BOR_BITS)) {        return RESET_REASON_BROWN_OUT;    }    else if(powman_chip_reset & POWMAN_CHIP_RESET_HAD_SWCORE_PD_BITS) {        // I THINK this is set only when waking from dormant (core completely off) mode,        // which Mbed does not currently support        return RESET_REASON_WAKE_LOW_POWER;    }    else if(powman_chip_reset & POWMAN_CHIP_RESET_HAD_RESCUE_BITS) {        // Note: This will only be reached with the debugger resets the core from a lockup,        // but may as well add it.        return RESET_REASON_LOCKUP;    }    else if(powman_chip_reset & POWMAN_CHIP_RESET_HAD_DP_RESET_REQ_BITS) {        return RESET_REASON_DEBUGGER;    }    else if(powman_chip_reset & POWMAN_CHIP_RESET_HAD_RUN_LOW_BITS) {        return RESET_REASON_PIN_RESET;    }    else if(powman_chip_reset & POWMAN_CHIP_RESET_HAD_POR_BITS) {        return RESET_REASON_POWER_ON;    }    return RESET_REASON_UNKNOWN;}