#define dirPin 8
#define stepPin 9
#define enaPin 10

int microstepping = 16; //1, 2, 4, 8, 16
int steps = 200 * microstepping;
int x;
int count;

const int STEPS_PER_REV = 200 * 16; // Change this to match your stepper motor
const int DEFAULT_RPM = 30; // Change this to your desired default RPM value

unsigned int prevMillis;
unsigned int delayMillis = 2;
unsigned int currentmillis;

//int microstepping = 16;
float stepsperrev =  200 * microstepping;
float rpm = 60;
float stepspersecond = (rpm * stepsperrev) / 60;
float inputSteps = 400;
int incInSteps = 0;
boolean pulseStat = LOW;

void setup() {
  Serial.begin(115200);
  // put your setup code here, to run once:
  pinMode(dirPin, OUTPUT);
  pinMode(stepPin, OUTPUT);
  pinMode(enaPin, OUTPUT);

  digitalWrite(enaPin, LOW);
}

void loop() {
  //basic();
  //generateStepPulses(9, 8, 10, DEFAULT_RPM);
  stepmillis();
}

void basic() {
  digitalWrite(enaPin, HIGH); //if toggled HIGH, it will release its hold
  digitalWrite(dirPin, HIGH);  //if toggled HIGH, it will go clockwise

  //For Making a pulse using for Loop
  for(x = 0; x != steps; x++) {
	  digitalWrite(stepPin, HIGH);
	  //delayMicroseconds(1000);
	  digitalWrite(stepPin, LOW);
	  //delayMicroseconds(1000);
    Serial.println(x);
  }

  digitalWrite(enaPin, LOW);  //if toggled HIGH, it will release its hold
  steps = 0; 
}

void generateStepPulses(int stepPin1, int dirPin1, int steps1, int rpm1) {
  // Calculate the step pulse duration based on the RPM and steps per revolution
  float steps_per_second = (rpm1 * STEPS_PER_REV) / 60.0;
  float step_pulse_duration = 1.0 / steps_per_second * 1000;
  
  // Set the direction pin based on the desired direction of rotation
  if (steps > 0) {
    digitalWrite(dirPin1, HIGH);
  } else {
    digitalWrite(dirPin1, LOW);
    steps1 = -steps1;
  }
  
  // Generate the desired number of step pulses
  unsigned long previous_time;
  unsigned long current_time = millis();
  for (int i = 0; i <= steps1; i++) {
    previous_time = current_time;
    if (current_time - previous_time >= step_pulse_duration) {
      digitalWrite(stepPin1, HIGH);
      digitalWrite(stepPin1, LOW);
    }
  }
}

void stepmillis() {
  digitalWrite(enaPin, HIGH); //if toggled HIGH, it will release its hold
  digitalWrite(dirPin, HIGH);  //if toggled HIGH, it will go clockwise
  float microseconds = round(stepspersecond/1000000);
  if (incInSteps <= inputSteps) {
    if (micros() - prevMillis >= microseconds && pulseStat == LOW) {
      digitalWrite(stepPin, HIGH);
      digitalWrite(stepPin, LOW);
      pulseStat = HIGH;
      prevMillis = micros();
    }
    else if (micros() - prevMillis >= microseconds/2 && pulseStat == HIGH) {
      incInSteps++;
      pulseStat = LOW;
      prevMillis = micros();
      Serial.print("incrementing: ");
      Serial.println(incInSteps);
    }
  }
}