ESP32 thread snippets

BlynkConnectionHandlerEsp32.cpp

// Settings for Config.h
const char* BLYNK_AUTH = "AuthTokenGoesHere";  // Get the token in the Blynk app on your phone (project settings)
const bool BLYNK_USE_LOCAL_SERVER = false;
// Following settings are obsolete, if BLYNK_USE_LOCAL_SERVER is set to false
const char* BLYNK_SERVER = "yourBlynkServer.ddns.net";
const unsigned short int BLYNK_PORT = 8080;

// Code in sketch
const int BlynkHandlerThreadStackSize = 10000;
ushort cycleDelayInMilliSeconds = 100;
int blynkConnectionTimeout = 10000;
int blynkConnectionStabilizerTimeout = 5000;
const int blynkHandlerThreadStackSize = 10000;
TaskHandle_t blynkConnectionHandlerThreadFunctionHandle;

void setup() {
  xTaskCreatePinnedToCore(blynkConnectionHandlerThreadFunction, "Blynk Connection Handling Thread", BlynkHandlerThreadStackSize, NULL, 20, &blynkConnectionHandlerThreadFunctionHandle, 1);
}

void loop() { Blynk.run(); }

void blynkConnectionHandlerThreadFunction(void* params) {
  uint time;
  while (true) {
    if (!Blynk.connected()) {
      Serial.printf("Connecting to Blynk: %s\n", BLYNK_USE_LOCAL_SERVER == true ? BLYNK_SERVER : "Blynk Cloud Server");
      if (BLYNK_USE_LOCAL_SERVER)
        Blynk.config(BLYNK_AUTH, BLYNK_SERVER, BLYNK_PORT);
      else
        Blynk.config(BLYNK_AUTH);
      Blynk.connect();  // Connects using the chosen Blynk.config
      uint time = 0;
      while (!Blynk.connected()) {
        if (time >= blynkConnectionTimeout || Blynk.connected()) break;
        delay(cycleDelayInMilliSeconds);
        time += cycleDelayInMilliSeconds;
      }
      if (Blynk.connected()) {
        Serial.printf("Connected to Blynk: %s\n", BLYNK_USE_LOCAL_SERVER ? BLYNK_SERVER : "Blynk Cloud Server");
        delay(blynkConnectionStabilizerTimeout);
      }
    }
    delay(1000);
    Serial.printf("Blynk Connection Handler Thread current stack size: %d , current Time: %d\n", blynkHandlerThreadStackSize - uxTaskGetStackHighWaterMark(NULL), xTaskGetTickCount());
  }
}

void WaitForBlynk(int cycleDelayInMilliSeconds) {
  while (!Blynk.connected()) {
    delay(cycleDelayInMilliSeconds);
  }
}