#include <AccelStepper.h>

const int stepPin1 = 4;
const int directionPin1 = 3;
const int enablePin = 2;

const int lim_1 = 7;
const int lim_2 = 8;

AccelStepper stepper1(AccelStepper::DRIVER, stepPin1, directionPin1);

unsigned long dist = 300;
unsigned long dist2 = 300;
int home = 0;
int a = 0;
int b = 0;
int c = 0;
int d = 0;
int e = 0;
int f = 0;

int led = 13;
int lim1 = 0;
int lim2 = 0;

void setup() {
  // put your setup code here, to run once:
  stepper1.setEnablePin(enablePin);
  stepper1.enableOutputs();
  stepper1.setMaxSpeed(200000);
  stepper1.setSpeed(150000);
  stepper1.setAcceleration(200);



  pinMode(led, OUTPUT);
  pinMode(lim_1, INPUT_PULLUP);
   pinMode(lim_2, INPUT_PULLUP);

  Serial.begin(9600);
  stepper1.setCurrentPosition(0);

}

void loop() {
  lim1 = digitalRead(lim_1);
   lim2 = digitalRead(lim_2);
if(lim1 == LOW and lim2 == HIGH){
  while(stepper1.currentPosition() < 300){
    stepper1.moveTo(dist);
  stepper1.run();
  }
}

if (lim2 == LOW and lim1 == HIGH){
  while(stepper1.currentPositiom() > 0){
stepper1.moveTo(0);
stepper1.run();
}
}
}