hekras/blink-motor-wifi.c

## blink-motor-wifi.c
#include <ESP8266WiFi.h>

uint8_t Pwm1 = 5; //Nodemcu PWM pin
uint8_t Pwm2 = 4; //Nodemcu PWM pin
//Seven segment pins attachecd with nodemcu pins
int a0 = 15;  //Gpio-15 of nodemcu esp8266
int a1 = 13;  //Gpio-13 of nodemcu esp8266
int a2 = 12;  //Gpio-12 of nodemcu esp8266
int a3 = 14;  //Gpio-14 of nodemcu esp8266

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

WiFiServer server(80);

void setup() {
//  pinMode(LED_BUILTIN, OUTPUT);
  Serial.begin(115200);
  delay(10);

  pinMode(a0, OUTPUT);
  pinMode(a1, OUTPUT);
  pinMode(a2, OUTPUT);
  pinMode(a3, OUTPUT);
  delay(2000);

  // Connect to WiFi network
  Serial.println();
  Serial.println();
  Serial.print("Connecting to ");
  Serial.println(ssid);

  WiFi.begin(ssid, password);

  while (WiFi.status() != WL_CONNECTED) {
    delay(500);
    Serial.print(".");
  }
  Serial.println("");
  Serial.println("WiFi connected");

  // Start the server
  server.begin();
  Serial.println("Server started");

  // Print the IP address on serial monitor
  Serial.print("Use this URL to connect: ");
  Serial.print("http://");    //URL IP to be typed in mobile/desktop browser
  Serial.print(WiFi.localIP());
  Serial.println("/");
}

void loop() {
  // Check if a client has connected
  WiFiClient client = server.available();
  if (!client) {
    return;
  }

  // Wait until the client sends some data
  Serial.println("new client");
  while(!client.available()){
    delay(1);
  }

  // Read the first line of the request
  String request = client.readStringUntil('\r');
  Serial.println(request);
  client.flush();

 int Ms=0,dir=0,Pw=0;

 // Match the request
 if (request.indexOf("/start=1") != -1)  {
  digitalWrite(a0, HIGH); //Start first motor
  digitalWrite(a1, LOW);

  digitalWrite(a2, LOW); //Start second motor
  digitalWrite(a3, HIGH);
  Ms=1;
  dir=1;
}

if (request.indexOf("/stop=1") != -1)  {
  digitalWrite(a0, LOW); //Stop first motor
  digitalWrite(a1, LOW);

  digitalWrite(a2, LOW); //Stop second motor
  digitalWrite(a3, LOW);
  Ms=0;
}

if (request.indexOf("/tog=1") != -1)  {
  digitalWrite(a0, LOW);  //Change First motor rotation direction
  digitalWrite(a1, HIGH);

  digitalWrite(a2, LOW); //Change Second motor rotation direction
  digitalWrite(a3, HIGH);
  delay(2000); //5 seconds delay
  dir=0;
}

if (request.indexOf("/Req=2") != -1)  {
analogWrite(Pwm1, 150);  //Pwm duty cycle 75%
analogWrite(Pwm2, 150);  //Pwm duty cycle 75%
Pw=1;
}
if (request.indexOf("/Req=3") != -1)  {
analogWrite(Pwm1, 100);  //Pwm duty cycle 50%
analogWrite(Pwm2, 100);  //Pwm duty cycle 50%
Pw=2;
}
if (request.indexOf("/Req=4") != -1)  {
analogWrite(Pwm1, 50);  //Pwm duty cycle 25%
analogWrite(Pwm2, 50);  //Pwm duty cycle 25%
Pw=3;
}

  // Return the response
  client.println("HTTP/1.1 200 OK");
  client.println("Content-Type: text/html");
  client.println(""); //  do not forget this one
  client.println("<!DOCTYPE HTML>");
  client.println("<html>");
  client.println("<h1 align=center>Nodemcu Dc motor control over WiFi</h1><br><br>");
  client.println("<br><br>");
  client.println("<a href=\"/start=1\"\"><button>Start Motor </button></a><br/>");
  client.println("<a href=\"/stop=1\"\"><button>Stop Motor </button></a><br/>");
  client.println("<a href=\"/tog=1\"\"><button>Toggle Direction</button></a><br/>");
  client.println("<a href=\"/Req=2\"\"><button>Duty cycle 75% </button></a><br/>");
  client.println("<a href=\"/Req=3\"\"><button>Duty cycle 50% </button></a><br/>");
  client.println("<a href=\"/Req=4\"\"><button>Duty cycle 25% </button></a><br/>");

  if(Ms==1){
    client.println("Motor Powered Working<br/>" );
    }
    else
    client.println("Motor at Halt<br/>" );

  if(dir==1){
    client.println("Motor rotating in forward direction<br/>" );
    }
    else
    client.println("Motor rotating in backward direction<br/>" );

switch(Pw){
      case 1:
        client.println("Pwm duty cycle 75%<br/>" );
        break;
      case 2:
        client.println("Pwm duty cycle 50%<br/>" );
        break;
      case 3:
        client.println("Pwm duty cycle 25%<br/>" );
        break;

      default:
        client.println("Pwm duty cycle 100%<br/>" );
  }

  client.println("</html>");
  delay(1);
  Serial.println("Client disonnected");
  Serial.println("");
}
	#include <ESP8266WiFi.h>

	uint8_t Pwm1 = 5; //Nodemcu PWM pin
	uint8_t Pwm2 = 4; //Nodemcu PWM pin
	//Seven segment pins attachecd with nodemcu pins
	int a0 = 15; //Gpio-15 of nodemcu esp8266
	int a1 = 13; //Gpio-13 of nodemcu esp8266
	int a2 = 12; //Gpio-12 of nodemcu esp8266
	int a3 = 14; //Gpio-14 of nodemcu esp8266

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

	WiFiServer server(80);

	void setup() {
	// pinMode(LED_BUILTIN, OUTPUT);
	Serial.begin(115200);
	delay(10);

	pinMode(a0, OUTPUT);
	pinMode(a1, OUTPUT);
	pinMode(a2, OUTPUT);
	pinMode(a3, OUTPUT);
	delay(2000);

	// Connect to WiFi network
	Serial.println();
	Serial.println();
	Serial.print("Connecting to ");
	Serial.println(ssid);

	WiFi.begin(ssid, password);

	while (WiFi.status() != WL_CONNECTED) {
	delay(500);
	Serial.print(".");
	}
	Serial.println("");
	Serial.println("WiFi connected");

	// Start the server
	server.begin();
	Serial.println("Server started");

	// Print the IP address on serial monitor
	Serial.print("Use this URL to connect: ");
	Serial.print("http://"); //URL IP to be typed in mobile/desktop browser
	Serial.print(WiFi.localIP());
	Serial.println("/");
	}

	void loop() {
	// Check if a client has connected
	WiFiClient client = server.available();
	if (!client) {
	return;
	}

	// Wait until the client sends some data
	Serial.println("new client");
	while(!client.available()){
	delay(1);
	}

	// Read the first line of the request
	String request = client.readStringUntil('\r');
	Serial.println(request);
	client.flush();

	int Ms=0,dir=0,Pw=0;

	// Match the request
	if (request.indexOf("/start=1") != -1) {
	digitalWrite(a0, HIGH); //Start first motor
	digitalWrite(a1, LOW);

	digitalWrite(a2, LOW); //Start second motor
	digitalWrite(a3, HIGH);
	Ms=1;
	dir=1;
	}

	if (request.indexOf("/stop=1") != -1) {
	digitalWrite(a0, LOW); //Stop first motor
	digitalWrite(a1, LOW);

	digitalWrite(a2, LOW); //Stop second motor
	digitalWrite(a3, LOW);
	Ms=0;
	}

	if (request.indexOf("/tog=1") != -1) {
	digitalWrite(a0, LOW); //Change First motor rotation direction
	digitalWrite(a1, HIGH);

	digitalWrite(a2, LOW); //Change Second motor rotation direction
	digitalWrite(a3, HIGH);
	delay(2000); //5 seconds delay
	dir=0;
	}

	if (request.indexOf("/Req=2") != -1) {
	analogWrite(Pwm1, 150); //Pwm duty cycle 75%
	analogWrite(Pwm2, 150); //Pwm duty cycle 75%
	Pw=1;
	}
	if (request.indexOf("/Req=3") != -1) {
	analogWrite(Pwm1, 100); //Pwm duty cycle 50%
	analogWrite(Pwm2, 100); //Pwm duty cycle 50%
	Pw=2;
	}
	if (request.indexOf("/Req=4") != -1) {
	analogWrite(Pwm1, 50); //Pwm duty cycle 25%
	analogWrite(Pwm2, 50); //Pwm duty cycle 25%
	Pw=3;
	}

	// Return the response
	client.println("HTTP/1.1 200 OK");
	client.println("Content-Type: text/html");
	client.println(""); // do not forget this one
	client.println("<!DOCTYPE HTML>");
	client.println("<html>");
	client.println("<h1 align=center>Nodemcu Dc motor control over WiFi</h1><br><br>");
	client.println("<br><br>");
	client.println("<a href=\"/start=1\"\"><button>Start Motor </button></a><br/>");
	client.println("<a href=\"/stop=1\"\"><button>Stop Motor </button></a><br/>");
	client.println("<a href=\"/tog=1\"\"><button>Toggle Direction</button></a><br/>");
	client.println("<a href=\"/Req=2\"\"><button>Duty cycle 75% </button></a><br/>");
	client.println("<a href=\"/Req=3\"\"><button>Duty cycle 50% </button></a><br/>");
	client.println("<a href=\"/Req=4\"\"><button>Duty cycle 25% </button></a><br/>");

	if(Ms==1){
	client.println("Motor Powered Working<br/>" );
	}
	else
	client.println("Motor at Halt<br/>" );

	if(dir==1){
	client.println("Motor rotating in forward direction<br/>" );
	}
	else
	client.println("Motor rotating in backward direction<br/>" );

	switch(Pw){
	case 1:
	client.println("Pwm duty cycle 75%<br/>" );
	break;
	case 2:
	client.println("Pwm duty cycle 50%<br/>" );
	break;
	case 3:
	client.println("Pwm duty cycle 25%<br/>" );
	break;

	default:
	client.println("Pwm duty cycle 100%<br/>" );
	}

	client.println("</html>");
	delay(1);
	Serial.println("Client disonnected");
	Serial.println("");
	}