/*
 * Amber
 */
#include <LiquidCrystal.h>
#include <Servo.h>

Servo miServito;
const int PotPin=A0;
int PotVal;
int angle;

LiquidCrystal lcd (11, 13, 8, 10, 12, 7);
const int photoPin = A2;
int photoVal = 0;

const int controlPin1 = 2;
const int controlPin2 = 3;
const int enablePin = 9;
const int directionSwitchPin = 4;
const int onOffSwitchStateSwitchPin = 6;
const int potPin = A0;

int onOffSwitchState = 0;
int previousOnOffSwitchState = 0;
int directionSwitchState = 0;
int previousDirectionSwitchState = 0;

int motorEnabled = 0;
int motorSpeed = 0;
int motorDirection = 1;


void setup()
{

pinMode (PotPin, INPUT);
miServito.attach (9);
Serial.begin (9600);

pinMode (potPin, INPUT);
pinMode (directionSwitchPin, INPUT);
pinMode (onOffSwitchStateSwitchPin, INPUT);
pinMode (controlPin1, OUTPUT);
pinMode (controlPin2, OUTPUT);
pinMode (enablePin, OUTPUT);
Serial.begin (9600);

digitalWrite (enablePin, LOW);

pinMode (photoPin, INPUT);
Serial.begin (9600);
lcd.begin (16,2);
lcd.clear ();

for (int counter=0; counter < 14; counter ++)
{
  lcd.setCursor (counter, 0);
  lcd.print ("Amber");
  delay (200);
  lcd.clear ();
}

}

void loop()
{
  photoVal = analogRead (photoPin);
  lcd.print ("the value is:");
  lcd.setCursor (6, 1);
  lcd.print (photoVal);
  delay (100);
 lcd.clear ();

 onOffSwitchState = digitalRead (onOffSwitchStateSwitchPin);
  delay (1);
  directionSwitchState = digitalRead (directionSwitchPin);
  Serial.println (directionSwitchState);
  motorSpeed= analogRead (potPin);

  motorSpeed= map (motorSpeed, 0, 1023, 0, 255);
  motorSpeed = constrain (motorSpeed, 0, 255);

  if (onOffSwitchState != previousOnOffSwitchState) {
    if (onOffSwitchState == HIGH) {
      motorEnabled = !motorEnabled;
    }
  }

    if (directionSwitchState != previousDirectionSwitchState) {
      if (directionSwitchState == HIGH) {
        motorDirection = !motorDirection;
      }
    }
    if (motorDirection == 1) {
      digitalWrite (controlPin1, HIGH);
      digitalWrite (controlPin2, LOW);
    }

    else {
      digitalWrite (controlPin1, LOW);
      digitalWrite (controlPin2, HIGH);
      }
 if (motorDirection == 1) {
  analogWrite (enablePin, motorSpeed);
 }
 else {
  analogWrite (enablePin, 0);
 }
 previousDirectionSwitchState=
 directionSwitchState;
 previousOnOffSwitchState = onOffSwitchState;

 PotVal=analogRead (PotPin);
angle= map (PotVal, 0, 1023, 0, 179);
angle = constrain (angle, 0, 179);
miServito.write(angle);

//miServito.write (0);
//delay (500);
//
//miServito.write (45);
//delay (500);
//
//miServito.write (90);
//delay (500);
//
//miServito.write (135);
//delay (500);
//
//miServito.write (180);
//delay (500);

}