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Add optional emergency reset 

Add optional emergency reset when Rx is connected to Tx at restart
This commit is contained in:
Theo Arends 2021-09-02 12:25:53 +02:00
parent c9761665e3
commit c47307bd5e
3 changed files with 34 additions and 1 deletions
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26
tasmota/settings.ino
View File

@ -276,6 +276,32 @@ void UpdateQuickPowerCycle(bool update) {
#endif // FIRMWARE_MINIMAL
}
#ifdef USE_EMERGENCY_RESET
/*********************************************************************************************\
* Emergency reset if Rx and Tx are tied together
\*********************************************************************************************/
void EmergencyReset(void) {
Serial.begin(115200);
Serial.write(0xAA);
Serial.write(0x55);
delay(1);
if (Serial.available() == 2) {
if ((Serial.read() == 0xAA) && (Serial.read() == 0x55)) {
SettingsErase(3); // Reset all settings including QuickPowerCycle flag
do { // Wait for user to remove Rx Tx jumper and power cycle
Serial.write(0xA5);
delay(1000); // Satisfy SDK
} while (Serial.read() == 0xA5); // Poll for removal of jumper
ESP_Restart(); // Restart to init default settings
}
}
while (Serial.available()) { Serial.read(); } // Flush input buffer
}
#endif // USE_EMERGENCY_RESET
/*********************************************************************************************\
* Settings services
\*********************************************************************************************/

1
tasmota/support.ino
View File

@ -2368,6 +2368,7 @@ bool GetLog(uint32_t req_loglevel, uint32_t* index_p, char** entry_pp, size_t* l
}
void AddLogData(uint32_t loglevel, const char* log_data, const char* log_data_payload = nullptr, const char* log_data_retained = nullptr) {
if (!TasmotaGlobal.enable_logging) { return; }
// Store log_data in buffer
// To lower heap usage log_data_payload may contain the payload data from MqttPublishPayload()
// and log_data_retained may contain optional retained message from MqttPublishPayload()

6
tasmota/tasmota.ino
View File

@ -141,6 +141,7 @@ struct {
bool module_changed; // Indicate module changed since last restart
bool wifi_stay_asleep; // Allow sleep only incase of ESP32 BLE
bool no_autoexec; // Disable autoexec
bool enable_logging; // Enable logging
StateBitfield global_state; // Global states (currently Wifi and Mqtt) (8 bits)
uint8_t spi_enabled; // SPI configured
@ -224,6 +225,10 @@ void setup(void) {
RtcPreInit();
SettingsInit();
#ifdef USE_EMERGENCY_RESET
EmergencyReset();
#endif // USE_EMERGENCY_RESET
memset(&TasmotaGlobal, 0, sizeof(TasmotaGlobal));
TasmotaGlobal.baudrate = APP_BAUDRATE;
TasmotaGlobal.seriallog_timer = SERIALLOG_TIMER;
@ -233,6 +238,7 @@ void setup(void) {
TasmotaGlobal.tele_period = 9999;
TasmotaGlobal.active_device = 1;
TasmotaGlobal.global_state.data = 0xF; // Init global state (wifi_down, mqtt_down) to solve possible network issues
TasmotaGlobal.enable_logging = 1;
RtcRebootLoad();
if (!RtcRebootValid()) {