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Added reboot logic to esp32 if fails to connect #217

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Added reboot logic to esp32 if fails to connect #217

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1 change: 1 addition & 0 deletions src/mitsubishi2mqtt/config.h
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Original file line number Diff line number Diff line change
Expand Up @@ -41,6 +41,7 @@ const PROGMEM uint8_t redLedPin = 0;
// Define global variables for network
const PROGMEM char* hostnamePrefix = "HVAC_";
const PROGMEM uint32_t WIFI_RETRY_INTERVAL_MS = 300000;
const int CONNECTION_TIMEOUT = 10;
unsigned long wifi_timeout;
bool wifi_config_exists;
String hostname = "";
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9 changes: 9 additions & 0 deletions src/mitsubishi2mqtt/mitsubishi2mqtt.ino
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Original file line number Diff line number Diff line change
Expand Up @@ -1655,6 +1655,8 @@ bool connectWifi() {
WiFi.begin(ap_ssid.c_str(), ap_pwd.c_str());
// Serial.println("Connecting to " + ap_ssid);
wifi_timeout = millis() + 30000;
int timeout_counter = 0;

while (WiFi.status() != WL_CONNECTED && millis() < wifi_timeout) {
Serial.write('.');
//Serial.print(WiFi.status());
Expand All @@ -1663,6 +1665,13 @@ bool connectWifi() {
delay(250);
digitalWrite(blueLedPin, HIGH);
delay(250);
//reboot ESP32 if fails to connect after retries
#ifdef ESP32
timeout_counter++;
if(timeout_counter >= CONNECTION_TIMEOUT * 5){
ESP.restart();
}
#endif
}
if (WiFi.status() != WL_CONNECTED) {
// Serial.println(F("Failed to connect to wifi"));
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