/*Program to open the roof of my Observatory.
With 2 buttons Open,Close and an Emergency Stop.
With realy supply power
There are also 2 limit switches and a control as the telescope and of course the park position.*/
 
const int ledRepos = 3;         // LedWaiting
const int RelaisOuverture1 = 4; // Open relay1
const int RelaisOuverture2 = 5; // Open relay2
const int RelaisFermeture1 = 6; // Close relay1
const int RelaisFermeture2 = 7; // Close relay2
const int BoutonOpen = A0;      // Open button
const int BoutonClose = A1;     // Close button
const int BoutonStop = A2;      // Stop button
const int FinOuverture = 12;    // limit switche Open
const int FinFermeture = 10;    // limit switche Close
const int Telescope_Parc =2;    // park position switche
const int BoutonRelais   =A3;   // Power supply control
const int pinRelais      =8;    // Power supply relay
 
int BoutonOpenState = 0;
int BoutonCloseState = 0;
int FinOuvertureState = 0;
int FinFermetureState = 0;
int Telescope_ParcState = 0;
int BoutonStopState = 0;
 
bool BoutonRelaisState   = LOW; 
 
//les états possible
 
enum {Repos, Ouverture, Ouvert, Fermeture, Fermer};
int etat = Repos;
 
bool estAlimente = false; 
 
// le N° des connection et fonction
 
void setup() {
  pinMode(ledRepos, OUTPUT);  //  LedWaiting
  pinMode(RelaisOuverture1, OUTPUT);
  pinMode(RelaisOuverture2, OUTPUT);
  pinMode(RelaisFermeture1, OUTPUT);
  pinMode(RelaisFermeture2, OUTPUT);
 
  pinMode(BoutonOpen, INPUT_PULLUP);
  pinMode(BoutonClose, INPUT_PULLUP);
  pinMode(BoutonStop, INPUT_PULLUP);
  pinMode(FinOuverture, INPUT_PULLUP);
  pinMode(FinFermeture, INPUT_PULLUP);
  pinMode(Telescope_Parc, INPUT_PULLUP);
 
 
}// fin setup
 
 
void position_toit () {       // début des statuts pour le loop
  switch (etat)  {           // début du switch avec les possibilté
    case Repos:
      digitalWrite(ledRepos, HIGH);  //  LedWaiting
      digitalWrite(RelaisOuverture1, LOW);
      digitalWrite(RelaisOuverture2, LOW);
      digitalWrite(RelaisFermeture1, LOW);
      digitalWrite(RelaisFermeture2, LOW);
     if (BoutonOpenState == LOW && Telescope_ParcState == LOW ) {
      etat = Ouverture;
        delay(30);
      }
    else if(BoutonCloseState == LOW && FinFermetureState == HIGH ){
      etat = Fermeture;
      delay(30);
    }
      break;
    case Ouverture:
      digitalWrite(ledRepos, LOW);  //  LedWaiting
      digitalWrite(RelaisOuverture1, HIGH);
      digitalWrite(RelaisOuverture2, HIGH);
      digitalWrite(RelaisFermeture1, LOW);
      digitalWrite(RelaisFermeture2, LOW);
      if (FinOuvertureState == LOW) {
        etat = Ouvert;
        delay(30);
      }
    else if(Telescope_ParcState == HIGH || BoutonStopState == LOW) {
      etat = Repos;
      delay(30);
    }
      break;
    case Ouvert:
      digitalWrite(ledRepos, HIGH);  //  LedWaiting
      digitalWrite(RelaisOuverture1, LOW);
      digitalWrite(RelaisOuverture2, LOW);
      digitalWrite(RelaisFermeture1, LOW);
      digitalWrite(RelaisFermeture2, LOW);
      if (BoutonCloseState == LOW && Telescope_ParcState == LOW ) {
        etat = Fermeture;
        delay(30);
      }
      break;
    case Fermeture:
      digitalWrite(ledRepos, LOW);  //  LedWaiting
      digitalWrite(RelaisOuverture1, LOW);
      digitalWrite(RelaisOuverture2, LOW);
      digitalWrite(RelaisFermeture1, HIGH);
      digitalWrite(RelaisFermeture2, HIGH);
      if (FinFermetureState == LOW) {
        etat = Fermer;
        delay(30);
      }
      else if(Telescope_ParcState == HIGH || BoutonStopState == LOW) {
      etat = Repos;
      delay(30);  
 
      }
     break;
   case Fermer:
      digitalWrite(ledRepos, LOW);  //  LedWaiting
      digitalWrite(RelaisOuverture1, LOW);
      digitalWrite(RelaisOuverture2, LOW);
      digitalWrite(RelaisFermeture1, LOW);
      digitalWrite(RelaisFermeture2, HIGH);
      etat = Repos;
        break;
  } //fin switch
 
}// fin void
 
void loop() { 
BoutonRelaisState = digitalRead (BoutonRelais) ;
  if (BoutonRelaisState == HIGH) {
    estAlimente = !estAlimente; 
    delay (30);
  }
  if (estAlimente) {
    digitalWrite (pinRelais, HIGH); 
 
     // début du programme des fonctions
  BoutonOpenState = digitalRead (BoutonOpen) ;
  BoutonCloseState = digitalRead (BoutonClose) ;
  FinOuvertureState = digitalRead (FinOuverture) ;
  FinFermetureState = digitalRead (FinFermeture) ;
  Telescope_ParcState = digitalRead (Telescope_Parc);
  BoutonStopState = digitalRead (BoutonStop);
  position_toit() ;
 
  } else digitalWrite (pinRelais, LOW); 
 
} // fin loop ou programme