//  =======================================================
//              Controle fonctionnement moteur
//       par mesure front montant et etat bas temporisé
//               sur borne W de l'alternateur
//  =========================================================

int inputPin = 2;                                            // Define input pin (! 14V AC)
int outputPin = 13;                                          // Define output pin
int memory = 0;                                              // Define memory  (Run=1)

int prevInput = 0;                                           // Define previous input state
int currInput = 0;                                           // Define current input state

unsigned long prevTime = 0;                                  // Define previous time
unsigned long currTime = 0;                                  // Define current time
unsigned long Tempo = 1000;                                  // Define Temporisation value

void setup() {
  pinMode(inputPin, INPUT);                                   // Set input pin as input
  pinMode(outputPin, OUTPUT);
}


void loop() {
  currInput = digitalRead(inputPin);                         // Read current input state
  currTime = millis();                                       // Update current time

  if (prevInput == 0 && currInput == 1) {                    // Check if input has changed from 0 to 1
    memory = 1;                                              // Set memory to 1
    digitalWrite(outputPin, HIGH);                           // Set output to 1
    prevTime = currTime;                                     // Update previous time
  }


  if (currTime - prevTime >= Tempo && currInput == 0) {     // Check if Temporisation has passed
    memory = 0;                                             // Set memory to 0
    digitalWrite(outputPin, LOW);                           // Set output to 0
  }

  prevInput = currInput;                                    // Update previous input state
}