/*
  L9110 H-Bridge Demo

  Demonstrates operation of L9110 H-Bridge Motor Driver
  Mo
*/

// Motor Connections (Both must use PWM pins)
#define IN1 5 //PWM pins: 5, 6, 16, 19  //9
#define IN2 6 //10

#define ledPin 22//21//4 //2
#define buttonPin 23//16//22//23//17 //16

int btnCounter = 0;
// variables will change:
int buttonState = 0;         // variable for reading the pushbutton status
int count_value =0;
int prestate =0;

void setup() {

  // Set motor connections as outputs
  pinMode(IN1, OUTPUT);
  pinMode(IN2, OUTPUT);
  pinMode(buttonPin, INPUT);
  
  // Stop motor
  digitalWrite(IN1, LOW);
  digitalWrite(IN2, LOW);
  Serial.begin(9600);
}

void loop() {

  // read the state of the pushbutton value:
  buttonState = digitalRead(buttonPin);

  // check if the pushbutton is pressed. If it is, then the buttonState is HIGH:
  if (buttonState == HIGH && prestate == 0) {
    count_value++;
    Serial.println("Pressed: ");
    Serial.println(count_value);
    // turn LED on
    digitalWrite(ledPin, HIGH);
    delay(3000);
    // turn LED off
    digitalWrite(ledPin, LOW);

    prestate = 1;
  } 
  else if(buttonState == LOW) {
    prestate = 0;
    Serial.println("Not Pressed");
  }

/*
  
  //////////////////////////////////////////////
  if (digitalRead(buttonPin) == HIGH) {
    btnCounter += 1;
    delay(750);
  }
  
  btnCounter=digitalRead(buttonPin);
  btnCounter = btnCOunter + 1; //Increment the button counter as long as it's pressed.
  if (btnCounter == 1)
  {
    //Motor Forward
    analogWrite(IN1, HIGH); 
    analogWrite(IN2, LOW); 
    delay(200);
  }
  
  if (btnCounter==0)
  {
    //Motor Reverse
    analogWrite(IN1, LOW); 
    analogWrite(IN2, HIGH); 
    delay(200);
  }
///////////////////////////////////////////////////
  // Accelerate forward
  digitalWrite(IN1, LOW);
  for (int i = 0; i < 245; i++) //255
  {
    analogWrite(IN2, i);
    delay(20);
  }

  delay(500);

  // Decelerate forward
  for (int i = 245; i >= 0; i--) //255
  {
    analogWrite(IN2, i);
    delay(20);
  }

  delay(500);

  // Accelerate reverse
  digitalWrite(IN2, LOW);
  for (int i = 0; i < 255; i++) {
    analogWrite(IN1, i);
    delay(20);
  }

  delay(500);

  // Decelerate reverse
  for (int i = 255; i >= 0; i--) {
    analogWrite(IN1, i);
    delay(20);
  }

  delay(500);
  */
}

// void loop() {

//   // Accelerate forward
//   digitalWrite(IN1, LOW);
//   for (int i = 0; i < 245; i++) //255
//   {
//     analogWrite(IN2, i);
//     delay(20);
//   }

//   delay(500);

//   // Decelerate forward
//   for (int i = 245; i >= 0; i--) //255
//   {
//     analogWrite(IN2, i);
//     delay(20);
//   }

//   delay(500);

//   // Accelerate reverse
//   digitalWrite(IN2, LOW);
//   for (int i = 0; i < 255; i++) {
//     analogWrite(IN1, i);
//     delay(20);
//   }

//   delay(500);

//   // Decelerate reverse
//   for (int i = 255; i >= 0; i--) {
//     analogWrite(IN1, i);
//     delay(20);
//   }

//   delay(500);
// }