SimedruF · January 17, 2024 18:10
diff --git a/ESP32_Stepper_control.ino b/ESP32_Stepper_control.ino
 /*
  Florin Simedru
  Complete project details at https://blog.automatic-house.ro
  
  Permission is hereby granted, free of charge, to any person obtaining a copy
  of this software and associated documentation files.
  
  The above copyright notice and this permission notice shall be included in all
  copies or substantial portions of the Software.
 */
 /*
 ; PlatformIO Project Configuration File
 ;
 ;   Build options: build flags, source filter
 ;   Upload options: custom upload port, speed and extra flags
 ;   Library options: dependencies, extra library storages
 ;   Advanced options: extra scripting
 ;
 ; Please visit documentation for the other options and examples
 ; https://docs.platformio.org/page/projectconf.html

 [env:esp32doit-devkit-v1]
 platform = espressif32
 board = esp32doit-devkit-v1
 framework = arduino
 upload_port = COM9
 monitor_port = COM9
 monitor_speed = 115200
 lib_deps = 
 	ottowinter/ESPAsyncWebServer-esphome@^3.1.0
 */
 #include <ESPAsyncWebServer.h>
 void Setup_and_Start_Server();
 void notFound(AsyncWebServerRequest *request);

 // Define stepper motor connections
 const int DIR = 12;
 const int STEP = 14;
 const int steps_per_rev = 200;
 int rotations = 0;
 bool clockwise = false;
 bool counter_clockwise = false;
 bool selected_rotations = false;
 String directionParam = "";

 const char *ssid = "ssid";
 const char *password = "password";

 AsyncWebServer server(80);

 void notFound(AsyncWebServerRequest *request)
 {
  request->send(404, "text/plain", "Not found");
 }

 void setup()
 {
  Serial.begin(115200);
  pinMode(STEP, OUTPUT);
  pinMode(DIR, OUTPUT);

  WiFi.mode(WIFI_STA);
  WiFi.begin(ssid, password);
  if (WiFi.waitForConnectResult() != WL_CONNECTED)
  {
    Serial.printf("WiFi Failed!\n");
    return;
  }

  Serial.print("IP Address: ");
  Serial.println(WiFi.localIP());
  Setup_and_Start_Server();
 }
 void loop()
 {
  if(clockwise==true)
  {
    digitalWrite(DIR, HIGH);
    Serial.println("Spinning Clockwise...");

    for (int i = 0; i < steps_per_rev; i++)
    {
      digitalWrite(STEP, HIGH);
      delayMicroseconds(1000);
      digitalWrite(STEP, LOW);
      delayMicroseconds(1000);
    }
  }
  if(counter_clockwise==true)
  {
    digitalWrite(DIR, LOW); // Select the direction backward
    Serial.println("Spinning Counter clockwise...");
    for (int i = 0; i < steps_per_rev; i++)
    {
      digitalWrite(STEP, HIGH);
      delayMicroseconds(1000);
      digitalWrite(STEP, LOW);
      delayMicroseconds(1000);
    }
  }
  if(selected_rotations == true)
  {
    int directionPin;
    if (directionParam == "forward")
    {
      directionPin = HIGH; // Select the direction forward
    }
    else
    {
      directionPin = LOW; // Select the direction backward
    }
    digitalWrite(DIR, directionPin);
    for (int i = 0; i < rotations; i++)
    {
      digitalWrite(STEP, HIGH);
      delayMicroseconds(1000);
      digitalWrite(STEP, LOW);
      delayMicroseconds(1000);
    }
    selected_rotations = false;
  }
 }

 void Setup_and_Start_Server()
 {
  server.on("/", HTTP_GET, [](AsyncWebServerRequest *request)
            {
    String html = "<html><head>";
    html += "<style>";
    html += "body { font-family: Arial, sans-serif; text-align: center; }";
    html += "button { padding: 10px 20px; font-size: 16px; margin: 10px; }";
    html += "</style>";
    html += "</head><body>";
    html += "<h1>Stepper motor control</h1>";
    html += "<label for='rotationsInput'>Number of rotations:</label>";
    html += "<input type='number' id='rotationsInput' placeholder='Input number of rotations'>";
    html += "<label for='directionSelect'>Select direction:</label>";
    html += "<select id='directionSelect'>";
    html += "   <option value='forward'>Forward</option>";
    html += "   <option value='backward'>Backward</option>";
    html += "</select>";

    html += "<button id='startRotationButton'>Start rotation</button>";
    html += "<br><button id='forwardButton'>Forward</button>";
    html += "<button id='stopButton'>Stop</button>";
    html += "<button id='backwardButton'>Backward</button>";

    html += "<script>";
    html += "document.getElementById('startRotationButton').onclick = function() {";
    html += "   var rotations = document.getElementById('rotationsInput').value;";
    html += "   var direction = document.getElementById('directionSelect').value;";
    html += "   sendCommand('/startRotation?rotations=' + rotations + '&direction=' + direction);";
    html += "};";
    html += "document.getElementById('forwardButton').onclick = function() {";
    html += "   sendCommand('/forward');";
    html += "};";
    html += "document.getElementById('stopButton').onclick = function() {";
    html += "   sendCommand('/stop');";
    html += "};";
    html += "document.getElementById('backwardButton').onclick = function() {";
    html += "   sendCommand('/backward');";
    html += "};";
    html += "function sendCommand(command) {";
    html += "   var xhr = new XMLHttpRequest();";
    html += "   xhr.open('GET', command, true);";
    html += "   xhr.send();";
    html += "}";
    html += "</script>";
    html += "</body></html>";

    request->send(200, "text/html", html); });

  server.on("/forward", HTTP_GET, [](AsyncWebServerRequest *request)
            {
    digitalWrite(DIR, HIGH);  // Select the direction forward
    clockwise = true;
    counter_clockwise = false;
    selected_rotations = false;

    request->send(200, "text/plain", "forward"); });

  server.on("/backward", HTTP_GET, [](AsyncWebServerRequest *request)
            {
    digitalWrite(DIR, LOW);   // Select the direction backward
    clockwise = false;
    counter_clockwise = true;
    selected_rotations = false;

    request->send(200, "text/plain", "backward"); });

  server.on("/stop", HTTP_GET, [](AsyncWebServerRequest *request)
            {
    digitalWrite(DIR, LOW);   // Setează direcția înapoi
    clockwise = false;
    counter_clockwise = false;
    selected_rotations = false;

    Serial.println("Stop spinning !");
    request->send(200, "text/plain", "stop"); });

  server.on("/startRotation", HTTP_GET, [](AsyncWebServerRequest *request)
  {
    String rotationsParam = request->getParam("rotations")->value();
    directionParam = request->getParam("direction")->value();

    rotations = rotationsParam.toInt();
    clockwise = false;
    counter_clockwise = false;
    selected_rotations = true;
 
    request->send(200, "text/plain", "Free Rotation"); });
  server.onNotFound(notFound);
  server.begin();
 }
	/*
	Florin Simedru
	Complete project details at https://blog.automatic-house.ro

	Permission is hereby granted, free of charge, to any person obtaining a copy
	of this software and associated documentation files.

	The above copyright notice and this permission notice shall be included in all
	copies or substantial portions of the Software.
	*/
	/*
	; PlatformIO Project Configuration File
	;
	; Build options: build flags, source filter
	; Upload options: custom upload port, speed and extra flags
	; Library options: dependencies, extra library storages
	; Advanced options: extra scripting
	;
	; Please visit documentation for the other options and examples
	; https://docs.platformio.org/page/projectconf.html

	[env:esp32doit-devkit-v1]
	platform = espressif32
	board = esp32doit-devkit-v1
	framework = arduino
	upload_port = COM9
	monitor_port = COM9
	monitor_speed = 115200
	lib_deps =
	ottowinter/ESPAsyncWebServer-esphome@^3.1.0
	*/
	#include <ESPAsyncWebServer.h>
	void Setup_and_Start_Server();
	void notFound(AsyncWebServerRequest *request);

	// Define stepper motor connections
	const int DIR = 12;
	const int STEP = 14;
	const int steps_per_rev = 200;
	int rotations = 0;
	bool clockwise = false;
	bool counter_clockwise = false;
	bool selected_rotations = false;
	String directionParam = "";

	const char *ssid = "ssid";
	const char *password = "password";

	AsyncWebServer server(80);

	void notFound(AsyncWebServerRequest *request)
	{
	request->send(404, "text/plain", "Not found");
	}

	void setup()
	{
	Serial.begin(115200);
	pinMode(STEP, OUTPUT);
	pinMode(DIR, OUTPUT);

	WiFi.mode(WIFI_STA);
	WiFi.begin(ssid, password);
	if (WiFi.waitForConnectResult() != WL_CONNECTED)
	{
	Serial.printf("WiFi Failed!\n");
	return;
	}

	Serial.print("IP Address: ");
	Serial.println(WiFi.localIP());
	Setup_and_Start_Server();
	}
	void loop()
	{
	if(clockwise==true)
	{
	digitalWrite(DIR, HIGH);
	Serial.println("Spinning Clockwise...");

	for (int i = 0; i < steps_per_rev; i++)
	{
	digitalWrite(STEP, HIGH);
	delayMicroseconds(1000);
	digitalWrite(STEP, LOW);
	delayMicroseconds(1000);
	}
	}
	if(counter_clockwise==true)
	{
	digitalWrite(DIR, LOW); // Select the direction backward
	Serial.println("Spinning Counter clockwise...");
	for (int i = 0; i < steps_per_rev; i++)
	{
	digitalWrite(STEP, HIGH);
	delayMicroseconds(1000);
	digitalWrite(STEP, LOW);
	delayMicroseconds(1000);
	}
	}
	if(selected_rotations == true)
	{
	int directionPin;
	if (directionParam == "forward")
	{
	directionPin = HIGH; // Select the direction forward
	}
	else
	{
	directionPin = LOW; // Select the direction backward
	}
	digitalWrite(DIR, directionPin);
	for (int i = 0; i < rotations; i++)
	{
	digitalWrite(STEP, HIGH);
	delayMicroseconds(1000);
	digitalWrite(STEP, LOW);
	delayMicroseconds(1000);
	}
	selected_rotations = false;
	}
	}

	void Setup_and_Start_Server()
	{
	server.on("/", HTTP_GET, [](AsyncWebServerRequest *request)
	{
	String html = "<html><head>";
	html += "<style>";
	html += "body { font-family: Arial, sans-serif; text-align: center; }";
	html += "button { padding: 10px 20px; font-size: 16px; margin: 10px; }";
	html += "</style>";
	html += "</head><body>";
	html += "<h1>Stepper motor control</h1>";
	html += "<label for='rotationsInput'>Number of rotations:</label>";
	html += "<input type='number' id='rotationsInput' placeholder='Input number of rotations'>";
	html += "<label for='directionSelect'>Select direction:</label>";
	html += "<select id='directionSelect'>";
	html += " <option value='forward'>Forward</option>";
	html += " <option value='backward'>Backward</option>";
	html += "</select>";

	html += "<button id='startRotationButton'>Start rotation</button>";
	html += "<br><button id='forwardButton'>Forward</button>";
	html += "<button id='stopButton'>Stop</button>";
	html += "<button id='backwardButton'>Backward</button>";

	html += "<script>";
	html += "document.getElementById('startRotationButton').onclick = function() {";
	html += " var rotations = document.getElementById('rotationsInput').value;";
	html += " var direction = document.getElementById('directionSelect').value;";
	html += " sendCommand('/startRotation?rotations=' + rotations + '&direction=' + direction);";
	html += "};";
	html += "document.getElementById('forwardButton').onclick = function() {";
	html += " sendCommand('/forward');";
	html += "};";
	html += "document.getElementById('stopButton').onclick = function() {";
	html += " sendCommand('/stop');";
	html += "};";
	html += "document.getElementById('backwardButton').onclick = function() {";
	html += " sendCommand('/backward');";
	html += "};";
	html += "function sendCommand(command) {";
	html += " var xhr = new XMLHttpRequest();";
	html += " xhr.open('GET', command, true);";
	html += " xhr.send();";
	html += "}";
	html += "</script>";
	html += "</body></html>";

	request->send(200, "text/html", html); });

	server.on("/forward", HTTP_GET, [](AsyncWebServerRequest *request)
	{
	digitalWrite(DIR, HIGH); // Select the direction forward
	clockwise = true;
	counter_clockwise = false;
	selected_rotations = false;

	request->send(200, "text/plain", "forward"); });

	server.on("/backward", HTTP_GET, [](AsyncWebServerRequest *request)
	{
	digitalWrite(DIR, LOW); // Select the direction backward
	clockwise = false;
	counter_clockwise = true;
	selected_rotations = false;

	request->send(200, "text/plain", "backward"); });

	server.on("/stop", HTTP_GET, [](AsyncWebServerRequest *request)
	{
	digitalWrite(DIR, LOW); // Setează direcția înapoi
	clockwise = false;
	counter_clockwise = false;
	selected_rotations = false;

	Serial.println("Stop spinning !");
	request->send(200, "text/plain", "stop"); });

	server.on("/startRotation", HTTP_GET, [](AsyncWebServerRequest *request)
	{
	String rotationsParam = request->getParam("rotations")->value();
	directionParam = request->getParam("direction")->value();

	rotations = rotationsParam.toInt();
	clockwise = false;
	counter_clockwise = false;
	selected_rotations = true;

	request->send(200, "text/plain", "Free Rotation"); });
	server.onNotFound(notFound);
	server.begin();
	}