dizzzan/busyboard.cpp

## busyboard.cpp
#include <ESP8266WiFi.h>


const char* ssid = "ChangeMe";
const char* password = "ChangeMe";
bool busy = false;

int ledPinRed = 13; // GPIO13---D7 of NodeMCU
int ledPinGreen = 2; // GPIO02--D4 of NodeMCU
WiFiServer server(80);

void setup() {
  Serial.begin(115200);
  delay(10);

  pinMode(ledPinRed, OUTPUT);
  digitalWrite(ledPinRed, LOW);

  pinMode(ledPinGreen, OUTPUT);
  digitalWrite(ledPinGreen, LOW);

  // 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
  Serial.print("Use this URL to connect: ");
  Serial.print("http://");
  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();

  // Match the request

  if (request.indexOf("/busy") != -1)  {
    busy = true;
    digitalWrite(ledPinRed, HIGH);
    digitalWrite(ledPinGreen, LOW);
  }
  if (request.indexOf("/available") != -1)  {
    busy = false;
    digitalWrite(ledPinRed, LOW);
    digitalWrite(ledPinGreen, HIGH);
  }


  // 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>");


  if(busy) {
    client.print("BUSY");
  } else {
    client.print("AVAILABLE");
  }
  client.println("<br><br>");
  client.println("<a href=\"/busy\"\"><button>Busy</button></a>");
  client.println("<a href=\"/available\"\"><button>Available</button></a><br />");
  client.println("</html>");

  delay(1);
  Serial.println("Client disonnected");
  Serial.println("");

}
	#include <ESP8266WiFi.h>


	const char* ssid = "ChangeMe";
	const char* password = "ChangeMe";
	bool busy = false;

	int ledPinRed = 13; // GPIO13---D7 of NodeMCU
	int ledPinGreen = 2; // GPIO02--D4 of NodeMCU
	WiFiServer server(80);

	void setup() {
	Serial.begin(115200);
	delay(10);

	pinMode(ledPinRed, OUTPUT);
	digitalWrite(ledPinRed, LOW);

	pinMode(ledPinGreen, OUTPUT);
	digitalWrite(ledPinGreen, LOW);

	// 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
	Serial.print("Use this URL to connect: ");
	Serial.print("http://");
	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();

	// Match the request

	if (request.indexOf("/busy") != -1) {
	busy = true;
	digitalWrite(ledPinRed, HIGH);
	digitalWrite(ledPinGreen, LOW);
	}
	if (request.indexOf("/available") != -1) {
	busy = false;
	digitalWrite(ledPinRed, LOW);
	digitalWrite(ledPinGreen, HIGH);
	}


	// 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>");


	if(busy) {
	client.print("BUSY");
	} else {
	client.print("AVAILABLE");
	}
	client.println("<br><br>");
	client.println("<a href=\"/busy\"\"><button>Busy</button></a>");
	client.println("<a href=\"/available\"\"><button>Available</button></a><br />");
	client.println("</html>");

	delay(1);
	Serial.println("Client disonnected");
	Serial.println("");

	}