Greenhouse ventilation 09.06.2017 v.0.4

// This is for arduino pro mini. if you use other arduino, check pwm pin numbers
//Temperature sensor DS18B20. I put it inside greenhouse shady place.
// Motor driver is LN-298N


#include <OneWire.h>
#include <DallasTemperature.h>

#define win1MotorA     4
#define win1MotorB     5
#define win2MotorA     6
#define win2MotorB     7
#define inverter       8 //12 to 24v

// Data wire is plugged into pin 3 on the Arduino
#define ONE_WIRE_BUS 3

// Setup a oneWire instance to communicate with any OneWire devices
OneWire oneWire(ONE_WIRE_BUS);

// Pass our oneWire reference to Dallas Temperature.
DallasTemperature sensors(&oneWire);

// Assign the addresses of your 1-Wire temp sensors.
// See the tutorial on how to obtain these addresses:
// http://www.hacktronics.com/Tutorials/arduino-1-wire-address-finder.html

DeviceAddress thermometer = { 0x28, 0xC8, 0xDC, 0x51, 0x07, 0x00, 0x00, 0x72 };


// variables will change:
int winAopenState = 0;
int winAcloseState = 0;
int winBopenState = 0;
int winBcloseState = 0;
int X = 0; //for win 1
int Y = 0; //for win 2


const int winAopenPin = 9;
const int winAclosePin = 10;
const int winBopenPin = 11;
const int winBclosePin = 12;




void setup(void)
{
  pinMode (win1MotorA, OUTPUT);
  pinMode (win1MotorB, OUTPUT);
  pinMode (win2MotorA, OUTPUT);
  pinMode (win2MotorB, OUTPUT);
  pinMode (inverter,   OUTPUT);
  pinMode (winAopenPin, INPUT);
  pinMode (winAclosePin, INPUT);
  pinMode (winBopenPin, INPUT);
  pinMode (winBclosePin, INPUT);
  digitalWrite (win1MotorA, LOW);
  digitalWrite (win1MotorB, LOW);
  digitalWrite (win2MotorA, LOW);
  digitalWrite (win2MotorB, LOW);
  digitalWrite (inverter,   LOW);




  // start serial port
  Serial.begin(9600);
  // Start up the library
  sensors.begin();
  // set the resolution to 10 bit (good enough?)
  sensors.setResolution(thermometer, 10);

}

void printTemperature(DeviceAddress deviceAddress)
{
  float tempC = sensors.getTempC(deviceAddress);
  if (tempC == -40.00) {
    Serial.print("Error getting temperature");
  } else {
    Serial.print("C: ");
    Serial.print(tempC);
    delay(1000);
  }



  //Window 1

  if (tempC >= 15 && X == 0) { // if temp => +15 1. window  opens
    Serial.println("Temp on +15. Opening win 1.");
    digitalWrite(inverter, HIGH);
    digitalWrite(win1MotorA, HIGH); // motor direction if need other direction  change
    digitalWrite(win1MotorB, LOW); // motor direction if need other direction  change
    delay(66000); // time for motor
    digitalWrite(win1MotorA, LOW);
    digitalWrite(inverter, LOW);
    Serial.println("Win 1 is open. ");
    delay(1000);
    X = 1;
  }

  if (tempC <= 14 && X == 1) { // if temp <= 14  1. window closes

    X = 0;
    Serial.println("Temp on +14. Closing win 1.");
    digitalWrite(inverter, HIGH);
    digitalWrite(win1MotorA, LOW);
    digitalWrite(win1MotorB, HIGH);
    delay(65000); // time for motor  full speed
    digitalWrite(win1MotorB, LOW);
    digitalWrite(inverter, LOW);
    Serial.println("Win 1 is closed.");
    delay(1000);
  }

  //window 2

  if (tempC >= 20 && Y == 0) { // if temp => +20 2. window opens
    Serial.println("Temp on +20. Opening win 2.");
    digitalWrite(inverter, HIGH);
    digitalWrite(win2MotorA, HIGH); // motor direction if need other direction  change
    digitalWrite(win2MotorB, LOW); // motor direction if need other direction  change
    delay(66000); // time for motor  full speed
    digitalWrite(win2MotorA, LOW);
    digitalWrite(inverter, LOW);
    Serial.println("Win 2 is open.");
    delay(1000);

    Y = 1;
  }

  if (tempC <= 19 && Y == 1) { // if temp <= 21  2. window closes

    Y = 0;
    Serial.print("Temp on +19. Closing win 2.");
    digitalWrite(inverter, HIGH);
    digitalWrite(win2MotorA, LOW); // motor direction if need other direction  change
    digitalWrite(win2MotorB, HIGH); // motor direction if need other direction  change
    delay(65000); // time for motor  full speed
    digitalWrite(win2MotorB, LOW);
    digitalWrite(inverter, LOW);
    Serial.println("Window 2 closed. ");
    delay(1000);
  }




}

void loop(void) {


{
  Serial.print("Getting temperatures...\n\r");
  sensors.requestTemperatures();
  delay(1000);

  Serial.print("Temperature is: ");
  printTemperature(thermometer);
  Serial.println("\n\r");
  delay(500);
}



{
// read the state of the pushbutton value:
winAopenState = digitalRead(winAopenPin);

// check if the pushbutton is pressed.
// if it is, the winopen or closeState is HIGH:
if (winAopenState == HIGH) {
  //open win1
  digitalWrite(inverter, HIGH);
  digitalWrite(win1MotorA, HIGH);
}else{
  //do nothing
  digitalWrite(inverter, LOW);
  digitalWrite(win1MotorA, LOW);
}
winAcloseState = digitalRead(winAclosePin);

if (winAcloseState == HIGH) {
  //close win1
  digitalWrite(inverter, HIGH);
  digitalWrite(win1MotorB, HIGH);
} else {
  //do nothing
  digitalWrite(inverter, LOW);
  digitalWrite(win1MotorB, LOW);
}
winBopenState = digitalRead(winBopenPin);

if (winBopenState == HIGH) {
  //open win2
  digitalWrite(inverter, HIGH);
  digitalWrite(win2MotorA, HIGH);
} else {
  //do nothing
  digitalWrite(inverter, LOW);
  digitalWrite(win2MotorA, LOW);
}
winBcloseState = digitalRead(winBclosePin);

if (winBcloseState == HIGH) {
  //close win2
  digitalWrite(inverter, HIGH);
  digitalWrite(win2MotorB, HIGH);
} else {
  //do nothing
  digitalWrite(inverter, LOW);
  digitalWrite(win2MotorB, LOW);
}


}
}