/**
   ESP32 + DHT22 Example for Wokwi
   
   https://wokwi.com/arduino/projects/322410731508073042
*/

/*
#include "DHTesp.h"

const int DHT_PIN = 15;

DHTesp dhtSensor;

void setup() {
  Serial.begin(115200);
  dhtSensor.setup(DHT_PIN, DHTesp::DHT22);
}

void loop() {
  TempAndHumidity  data = dhtSensor.getTempAndHumidity();
  Serial.println("Temp: " + String(data.temperature, 2) + "°C");
  Serial.println("Humidity: " + String(data.humidity, 1) + "%");
  Serial.println("---");
  delay(1000);
}
*/

// Not sure whether you need this or not, but uncomment if required:
// #include <Arduino.h>


// Defines to make code more readable
#define ENABLE_PIN 18
#define STEP_PIN 5
#define DIR_PIN 4

#define Frequency 1000  // Frequency in Hertz
#define Period (int)(1. / ((float)Frequency) * 1000000.)   // Wait Time in µs. Float conversion because integer div doesn't work that way

// Force one-time evaluation of the period to guarantee only one float operation
const int PERIOD = Period;


// Setup is run once at the start of the program
void setup()
  {
  pinMode(ENABLE_PIN, OUTPUT); //Enable
  pinMode(STEP_PIN, OUTPUT); //Puls
  pinMode(DIR_PIN, OUTPUT); //Direction

  // Enable motor driver (Enable is negated)
  digitalWrite(ENABLE_PIN, LOW);
  }

  // Runs repeatedly
  void loop()
  {
  // Select direction as forwards
  digitalWrite(DIR_PIN, HIGH);

  // Perform 5000 steps
  perform_steps(5000, PERIOD);

  delay(10);

  // Invert Direction
  digitalWrite(DIR_PIN, LOW);

  // Perform 5000 steps
  perform_steps(5000, PERIOD);

  delay(10);
  }


  // type uint32_t means 32 bit unsigned integer (max number is 2^32, which is around 4 billion)
  void perform_steps(uint32_t steps, uint32_t delay_micros) {
  for(uint32_t i = 0; i < steps; i++)
  {
  digitalWrite(STEP_PIN, HIGH);
  delayMicroseconds(delay_micros / 2);  // the delay here can be very low generally, as this is basically a pulse
  digitalWrite(STEP_PIN, LOW);
  delayMicroseconds(delay_micros / 2);  // dividing delay by 2. 
  // Note: this will lose accuracy for sufficiently small delay_micros, because
  // 3 / 2 == 1, 5 / 2 == 2, ...
  // Integer division always rounds down.
  }
}