#include <AccelStepper.h>

#define FULLSTEP 4
#define STEP_PER_REVOLUTION 2038

#define BTN_UP 51
#define BTN_DOWN 31

AccelStepper stepper(FULLSTEP, 11, 9, 10, 8);
void setup() {
  // put your setup code here, to run once:
  Serial.begin(9600);
  stepper.setMaxSpeed(1000.0);
  //stepper.setAcceleration(50.0);
  stepper.setSpeed(200);
  //stepper.setCurrentPosition(0);
  //stepper.moveTo(STEP_PER_REVOLUTION);

  //pinMode(BTN_UP, INPUT_PULLUP);
  pinMode(BTN_UP, INPUT);
  pinMode(BTN_DOWN, INPUT);
}

void loop() {
  // put your main code here, to run repeatedly:
  //  if (stepper.distanceToGo() == 0)
  //    stepper.moveTo(-stepper.currentPosition());

  //  stepper.run();
  // Serial.print(F("Current Position: "));
  //Serial.println(stepper.currentPosition());
  stepper.setMaxSpeed(1000);

  if(digitalRead(BTN_UP))
    stepper.setSpeed(-600);
  else if(digitalRead(BTN_DOWN))
    stepper.setSpeed(600);
  
  
  while (!digitalRead(BTN_UP) || !digitalRead(BTN_DOWN)) {
    stepper.runSpeed();
  }
  stepper.stop();
    Serial.println(digitalRead(BTN_UP));

   
    }