Arduino beerfiller

beerfiller_v2.ino

// dec 2017
// max 2 open at the same time
// oct 2017, works well
// compact for-loop
// same threshold everywhere
// improved debugging output

const int STOP_BUTTON  = 12;
const int START_BUTTON = 2;
const int ALL_OFF_LED  = 1;
const int COMMANDE_VANNE[6]   = {3, 5, 6, 9, 10, 11}; // PWM's
const int CONTACTEUR_VANNE[6] = {0, 1, 2, 3, 4,   5}; // Analog In
const int THRESHOLD[6]        = {200, 200, 200, 200, 200, 200};
int valeurVanne[6]            = {0, 0, 0, 0, 0, 0}; // from analogRead
int stateVanne[6]             = {0, 0, 0, 0, 0, 0}; // on/off
const int MAX_SIMULT_OPEN = 2;


void setup() {
  Serial.begin(9600);
  Serial.println("setup...");
  for (int i = 0; i <= 5; i++) {
    pinMode(COMMANDE_VANNE[i], OUTPUT);
  }
  pinMode(STOP_BUTTON,  INPUT_PULLUP);
  pinMode(START_BUTTON, INPUT_PULLUP);
  pinMode(ALL_OFF_LED,  OUTPUT);
}

void loop() {

  if (digitalRead(START_BUTTON) == LOW) {
    for (int i = 0; i <= 5; i++) {
      stateVanne[i] = 1;//            = {1, 1, 1, 1, 1, 1};
    }
  }


  int simult_open = 0;
  for (int i = 0; i <= 5; i++) {
    valeurVanne[i] = analogRead(CONTACTEUR_VANNE[i]);
    Serial.print(valeurVanne[i]);
    Serial.print("\t");
    if ( (stateVanne[i] == 1) && simult_open < MAX_SIMULT_OPEN) { //((valeurVanne[i]) < THRESHOLD[i]) &&
      digitalWrite(COMMANDE_VANNE[i], HIGH);
      simult_open += 1;
      Serial.print("*ON");
    }
    if ((digitalRead(STOP_BUTTON) == LOW) || (valeurVanne[i] >= THRESHOLD[i] && stateVanne[i] == 1)) {
      digitalWrite(COMMANDE_VANNE[i], LOW);
      Serial.print("off");
      simult_open -= 1;
      stateVanne[i] = 0; // off
    }
    Serial.print("\t");
  }
  if (simult_open == 6) {
    Serial.print("ALL_OFF");
    digitalWrite(ALL_OFF_LED, HIGH);
  } else {
    digitalWrite(ALL_OFF_LED, LOW);
  }
  Serial.println();

  delay(100);
}