Mandy's Farm Smart Greenhouse

// RELAY VARIABLES
#define RELAYPIN1 D2
#define RELAYPIN2 D3
#define RELAYPIN3 D4
#define RELAYPIN4 D5
const int buttonPin1 = D6;
const int buttonPin2 = D7;
const int buttonPin3 = A0;
const int buttonPin4 = A5;
int relaypins[] = {RELAYPIN1, RELAYPIN2, RELAYPIN3, RELAYPIN4};
int relayCount = 4;
int relayState1;
int relayState2;
int Off = HIGH;
int On = LOW;
//TIMER VARIABLE
unsigned long lastRelaytimer = 0;
// SOIL MOISTURE VARIABLES
const int AirValue = 3580;
const int WaterValue = 330;
int intervals = (AirValue - WaterValue) / 3;
int moisturePin1 = A1;
int moisturePin2 = A2;
int moisturePin3 = A3;
int moisturePin4 = A4;
int moisturePins[] = {moisturePin1, moisturePin2, moisturePin3, moisturePin4};
int currentState;
int lastState1 = 0;
int modeCount = 0;


#define FLOWSENSORPIN D13


void setup(){
  Serial.begin(9600);
  init();
  //attachInterrupt(FLOWSENSORPIN, flowMeter, RISING);
}

void loop(){
  modeChangebutton();
  modes();
}
// INITIALIZE SETUP
void init(){
  for (int thispin = 0; thispin <= relayCount; thispin++){
    pinMode(relaypins[thispin], OUTPUT);
    pinMode(moisturePins[thispin], INPUT);
    pinMode(buttonPin1, INPUT);
    relayOff(relaypins[thispin], Off);
    pinMode(D13, INPUT);
  }
}
//Cycles Mode Number 
int modeChangebutton(){
   currentState = digitalRead(buttonPin1);
    if(currentState != lastState1){
      if(currentState == HIGH){
        modeCount++;
        Serial.printf(" %i \n", modeCount);
        if(modeCount == 3){
          modeCount = 0;
          
        }
      } 
    }
  lastState1 = currentState;
  return modeCount;
}
// CHECK SOIL MOISTURE LEVEL & SEND WATER IF NEEDED
int moistureMonitor(int moistPin, int rPin){
  int moistVal = analogRead(moistPin);
  if (moistVal > WaterValue && moistVal < (WaterValue + intervals)){
    Serial.println("Very Wet");
    relayOff(rPin, Off);
  }
  else if (moistVal > (WaterValue + intervals) && moistVal < (AirValue - intervals)){
    Serial.println("Wet");
    relayOff(rPin, Off);
  }
  else if (moistVal < AirValue && moistVal > (AirValue - intervals)){
    Serial.println("Dry");
    relayOn(rPin, On);
  }
  return moistVal;
}
// RELAY TIMER FUNCTION
void relayTimer(int timerInterval){
  unsigned long currentRelaytimer = millis();
  if ((currentRelaytimer - lastRelaytimer) >= timerInterval){
    if(relayState2 == HIGH){
      relayState2 = LOW;
      relayOn(RELAYPIN1, relayState2);
      relayOn(RELAYPIN2, relayState2);
      relayOn(RELAYPIN3, relayState2);
      relayOn(RELAYPIN4, relayState2);
    }
    else{
      relayState2 = HIGH;
      relayOff(RELAYPIN1,relayState2);
      relayOff(RELAYPIN2,relayState2);
      relayOff(RELAYPIN3,relayState2);
      relayOff(RELAYPIN4,relayState2);
    }
     lastRelaytimer = millis();
  }
}
// RELAY ON/OFF FUNCTIONS
void relayOn(int rpin, int state){
  digitalWrite(rpin, state);
  // Serial.printf("ON  \n" );
}
void relayOff(int rpin, int state){
  digitalWrite(rpin, state);
  // Serial.printf("OFF \n" );
}
//On/Off toggle
void zoneToggle(int bpin, int rpin){
  int buttonState1 = digitalRead(bpin);
   if(buttonState1 == LOW && lastState1 == HIGH){
     if (relayState1 == HIGH){
      relayState1 = LOW;
      relayOn(rpin, relayState1);
      Serial.printf("RELAY ON \n");
     }
    else{
      relayState1 = HIGH;
      relayOff(rpin, relayState1);
      Serial.printf("RELAY OFF \n");
       }
     }
     lastState1 = buttonState1;
   }
//Mode environments
   void modes(){
     switch(modeCount){
       case 1:
        moistureMonitor(moisturePin1, RELAYPIN1);
        moistureMonitor(moisturePin2, RELAYPIN2);
        moistureMonitor(moisturePin3, RELAYPIN3);
        moistureMonitor(moisturePin4, RELAYPIN4);
       break;
       case 2:
        relayTimer(10000);
       break;
       default:
       relayOff(RELAYPIN1, Off);
       relayOff(RELAYPIN2, Off);
       relayOff(RELAYPIN3, Off);
       relayOff(RELAYPIN4, Off);
       
     }
   }