// Author : Mariam Nahapetyan
// Lab : Dilijan Fab Lab
// Version .02

#include <AFMotor.h>   // Libraries to run motors
#include <Servo.h> 

const int Up_Switch   = 8; //PB0 pin
const int Down_Switch = 9; //PB1 pin
int Set_Point_up =650 ;    //Initilized Set Point_up value for photoresistor
int Set_Point_down =400 ;  //Initilized Set Point_down value for photoresistor
const int pResistor = A0;  //PC0 pin
AF_DCMotor motor(3);       //Initilized DC motor for pin PB3



void setup() {
  Serial.begin(9600);
  
  pinMode(Up_Switch, INPUT);    // Up_Switch as input
  pinMode(Down_Switch, INPUT);  // Down_Switch as input 
  pinMode(pResistor, INPUT);    // Photoresistor pin as an input to read ADC
  
  Serial.println("Starting");   // It prints text on serial monitor
  motor.setSpeed(50);           // Set speed of motor
  motor.run(RELEASE);           // Motor starting condition is stop
}

void loop() 
{
  if(analogRead(pResistor)<= 400){    // It's very bright and curtain should go up while Up_Switch is not pressed..
  motor.run(FORWARD);                 // Motor is runing FORWARD(up)
  while(Up_Switch != HIGH){           // Runing while loop until Up_Switch is not pressed 
  Serial.println(analogRead(pResistor));  // It prints ADC value from photoresistor(from 0 to 1023) on serial monitor 
  }
  motor.run(RELEASE);                 // After switch is pressed this command will stop motor
  delay(1000);                        // delay 1 second
  }
  else if(analogRead(pResistor) >=600){ // It's very dark and curtain should go up while Up_Switch is not pressed...
  motor.run(BACKWARD);                // Motor is runing BACKWARD(down)   
  while(Down_Switch != HIGH){         // Runing while loop until Down_Switch is not pressed 
  Serial.println(analogRead(pResistor));  //  It prints ADC value from photoresistor(from 0 to 1023) on serial monitor 
  }
  motor.run(RELEASE);                 // After switch is pressed this command will stop motor
  delay(1000);                        // delay 1 second  
  }

  }