Output_relay.h

/* Output with relay

   Author:  Christian Langrock
   Date:    2022-August-22
   new functions toggleRelays() and 
   void wind_max_max()
*/

int timeMaxWindSpeed = 0;
long timeMaxMaxWindSpeed = 0;
bool relay = false;

void initRelays() {
  pinMode(output_pin_Relay_1, OUTPUT);
  pinMode(output_pin_Relay_2, OUTPUT);

  // switch off the relays at startup
  digitalWrite(output_pin_Relay_1, HIGH);
  digitalWrite(output_pin_Relay_2, HIGH);
}


void toggleRelays(){
    // toggle relays
  if (relay) {
    digitalWrite(output_pin_Relay_1, LOW);
    digitalWrite(output_pin_Relay_2, LOW);
  }
  else {
    digitalWrite(output_pin_Relay_1, HIGH);
    digitalWrite(output_pin_Relay_2, HIGH);
  }
}

void wind_max_max(){
  relay = true;
  timeMaxMaxWindSpeed = Config_timeMaxMaxWindSpeed;
  toggleRelays();
}

void wind_max(int wind) {
  // task runs every 2s!

  // decrase timer for max max wind speed
  if (timeMaxMaxWindSpeed >= 1) {
    timeMaxMaxWindSpeed = timeMaxMaxWindSpeed - 2;
  }

  if (wind >= Config_max_max_wind_speed) {
    relay = true;
    timeMaxMaxWindSpeed = Config_timeMaxMaxWindSpeed;
  }
  else if (wind >= Config_max_wind_speed) {
    if (timeMaxWindSpeed <= Config_timeMaxWindSpeed) {
      timeMaxWindSpeed = timeMaxWindSpeed + 2;
    }
  }
  else if (wind <= (Config_max_wind_speed - Config_wind_hyst) && (timeMaxMaxWindSpeed <= 0)) {
    if (timeMaxWindSpeed >= 4) {
      timeMaxWindSpeed = timeMaxWindSpeed - 4;
    }
    else if (timeMaxWindSpeed == 2) {
      timeMaxWindSpeed = timeMaxWindSpeed - 2;
    }
  }

  if (timeMaxWindSpeed > Config_timeMaxWindSpeed) {
    relay = true;
  }
  else if (timeMaxWindSpeed <= 0) {
    relay = false;
  }
  // toggle relays
  toggleRelays();
}