Arduino-Motor-Driver-Sketch

const int controlPin1 =2;
const int controlPin2 = 3;
const int enablePin =9;
const int directionSwitchPin =4;
const int onOffSwitchStateSwitchPin = 5;
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() {  
// put your setup code here, to run once:

pinMode(directionSwitchPin, INPUT);
pinMode(onOffSwitchStateSwitchPin, INPUT);
pinMode(controlPin1, OUTPUT);
pinMode(controlPin2, OUTPUT);
pinMode(enablePin, OUTPUT);
digitalWrite(enablePin, LOW);
}

void loop() {  
  // put your main code here, to run repeatedly:
  onOffSwitchState = digitalRead(onOffSwitchStateSwitchPin);
  delay(1);
  directionSwitchState = digitalRead(directionSwitchPin);
  motorSpeed = analogRead(potPin)/4;
  if(onOffSwitchState != previousOnOffSwitchState){
    if(onOffSwitchState == HIGH){
      motorEnabled = !motorEnabled;
    }
  }
  if(directionSwitchState != previousDirectSwitchState) {
    if(directionSwitchState == HIGH) {
      motorDirection = !motorDirection;
      }
    }