Chicken_door_security_with_power_save.ino

#include "LowPower.h"

int enablePin = 11;
int in1Pin = 10;
int in2Pin = 9;
int switchPin = 7;
const int analogInPin = A0;
const int speed = 128;
boolean direction = true;
boolean prevdirection = false;
int sensorValue = 0;  
int var = 0;    
//int outputValue = 0;

void setup()
{

  pinMode(in1Pin, OUTPUT);
  pinMode(in2Pin, OUTPUT);
  pinMode(enablePin, OUTPUT);
  pinMode(switchPin, INPUT_PULLUP);
  pinMode(LED_BUILTIN, OUTPUT);
  //Serial.begin (9600);
  
//test run  setMotor(speed, direction);
  //delay(3000);
  //setMotor(0, direction);
  //delay(3000);
}

void loop()
{
   //LowPower.powerDown(SLEEP_8S, ADC_ON, BOD_ON); 
   var = 0;
while(var < 10){
  // do something 10 times
  var++;
     LowPower.idle(SLEEP_8S, ADC_OFF, TIMER2_OFF, TIMER1_OFF, TIMER0_OFF, 
                SPI_OFF, USART0_OFF, TWI_OFF);
}
   //delay(20);
   
   sensorValue = analogRead(analogInPin);

  digitalWrite(LED_BUILTIN, HIGH);   // turn the LED on (HIGH is the voltage level)
  delay(1000);                       // wait for a second
  digitalWrite(LED_BUILTIN, LOW);    // turn the LED off by making the voltage LOW
  delay(1000); 
  
    //Serial.print("sensor = ");
  //Serial.println(sensorValue);

  
  //if it is daylight, & the last action is NOT opening, open the door
if (sensorValue >= 350 && prevdirection == direction){
  
  setMotor(speed, direction);
  delay(3000);
  setMotor(0, direction);
  delay(3000);
  //switch direction
  direction = ! direction;

}
//if it is night, & the last action is NOT closing, close the door
if (sensorValue <= 350 && prevdirection != direction){
  
    setMotor(speed, direction);
  delay(3000);
  setMotor(0, direction);
  delay(3000);
//switch direction
direction = ! direction;

}
 
}

void setMotor(int speed, boolean direction)
{
  analogWrite(enablePin, speed);
  digitalWrite(in1Pin, ! direction);
  digitalWrite(in2Pin, direction);
}