حل شده مشکل در فایل مارلین

//X

const int stepPin = A0; 

const int dirPin = A1; 

const int en = 38; 

const int freq = 500;



//Y

//const int stepPin = A6; 

//const int dirPin = A7; 

//const int en = A2; 

//const int freq = 500;



//E0

//const int stepPin = 26;

//const int dirPin = 28; 

//const int en = 24; 

//const int freq = 500;



void setup() {

  // Sets the two pins as Outputs

  pinMode(stepPin,OUTPUT); 

  pinMode(dirPin,OUTPUT);

  pinMode(en,OUTPUT);

  Serial.begin(115200);

  digitalWrite(en,LOW);

  Serial.println("Enable motor");

  delay(1000);

}

void loop() {

  if (Serial.available()>0){

    

    Serial.println("Setup motor ...");

    digitalWrite(dirPin,LOW); // Enables the motor to move in a particular direction

    // Makes 200 pulses for making one full cycle rotation

    for(int x = 0; x < 400; x++) {

      digitalWrite(stepPin,HIGH); 

      delayMicroseconds(freq); 

      digitalWrite(stepPin,LOW); 

      delayMicroseconds(freq); 

    }

    Serial.println("reverse direction");

    delay(2000); // One second delay

    

    digitalWrite(dirPin,HIGH); //Changes the rotations direction

    // Makes 400 pulses for making two full cycle rotation

    for(int x = 0; x < 400; x++) {

      digitalWrite(stepPin,HIGH);

      delayMicroseconds(freq);

      digitalWrite(stepPin,LOW);

      delayMicroseconds(freq);

    }

    delay(2000);

  }



}