Stepper.cpp

#define EN 8 // stepper motor enable , active low
#define X_DIR 5 // X -axis stepper motor direction control
#define Y_DIR 6 // y -axis stepper motor direction control
#define Z_DIR 7 // z axis stepper motor direction control
#define X_STP 2 // x -axis stepper control
#define Y_STP 3 // y -axis stepper control
#define Z_STP 4 // z -axis stepper control
/*
// Function : step . function: to control the direction of the stepper motor , the number of steps .
// Parameters : dir direction control , dirPin corresponding stepper motor DIR pin , stepperPin corresponding stepper motor " step " pin , Step number of step of no return value.
*/
void step (boolean dir, byte dirPin, byte stepperPin, int steps)
{
  digitalWrite (dirPin, dir);
  delay (50);
  for (int i = 0; i < steps; i++) {
    digitalWrite (stepperPin, HIGH);
    delayMicroseconds (800);
    digitalWrite (stepperPin, LOW);
    delayMicroseconds (800);
  } 
}

void setup () {// The stepper motor used in the IO pin is set to output
pinMode (X_DIR, OUTPUT); pinMode (X_STP, OUTPUT);
pinMode (Y_DIR, OUTPUT); pinMode (Y_STP, OUTPUT);
pinMode (Z_DIR, OUTPUT); pinMode (Z_STP, OUTPUT);
pinMode (EN, OUTPUT);
digitalWrite (EN, LOW);
}
void loop () {
step (false, X_DIR, X_STP, 200); // X axis motor reverse 1 ring, the 200 step is a circle.
step (false, Y_DIR, Y_STP, 200); // y axis motor reverse 1 ring, the 200 step is a circle.
step (false, Z_DIR, Z_STP, 200); // z axis motor reverse 1 ring, the 200 step is a circle.
delay (1000);
step (true, X_DIR, X_STP, 200); // X axis motor forward 1 laps, the 200 step is a circle.
step (true, Y_DIR, Y_STP, 200); // y axis motor forward 1 laps, the 200 step is a circle.
step (true, Z_DIR, Z_STP, 200); // z axis motor forward 1 laps, the 200 step is a circle.
delay (1000);
}