Day4 04-DCmotor, button

• 버튼을 이용한 모터제어

const int MA_IA = 9;

const int MA_IB = 10;

const int btnStartPin = 2;

const int btnStopPin = 3;

volatile bool isStartPressed = false;

volatile bool isStopPressed = false;

void ISRButtonStart() {

  isStartPressed = true;

  Serial.println("Start pressed!");

}

void ISRButtonStop() {

  isStopPressed = true;

  Serial.println("Stop pressed!");

}

void setup() {

  // put your setup code here, to run once:

  Serial.begin(9600);

  pinMode(MA_IA, OUTPUT);

  pinMode(MA_IB, OUTPUT);

  pinMode(btnStartPin, INPUT_PULLUP);

  pinMode(btnStopPin, INPUT_PULLUP);

  attachInterrupt(digitalPinToInterrupt(btnStartPin), ISRButtonStart, FALLING);  //2

  attachInterrupt(digitalPinToInterrupt(btnStopPin), ISRButtonStop, FALLING);   //3

}

void loop() {

  // put your main code here, to run repeatedly:

  if (isStartPressed && !isStopPressed) {

    isStartPressed = false;

    analogWrite(MA_IA, 250);

    analogWrite(MA_IB, 0);

  }

  if (isStopPressed && !isStartPressed) {

    isStopPressed = false;

    analogWrite(MA_IA, 0);

    analogWrite(MA_IB, 0);

  }

}