/* WiFi 7697 LED control If the IP address of your shield is yourAddress: http://yourAddress/R to light red http://yourAddress/G to light green http://yourAddress/B to light blue http://yourAddress/W to light white http://yourAddress/o to turn off LED Circuit: LinkIt 7697 HDK RGB LED (common cathode) R - LinkIt D11 G - LinkIt D9 B - LinkIt D7 created 25 Nov 2012 by Tom Igoe modified 3 Nov 2017 by CAVEDU */ #include char ssid[] = "ssid"; // your network SSID (name) char pass[] = "pass"; // your network password int keyIndex = 0; // your network key Index number (needed only for WEP) int status = WL_IDLE_STATUS; WiFiServer server(80); void setup() { Serial.begin(9600); // initialize serial communication pinMode(LED_BUILTIN, OUTPUT); // set the LED pin mode pinMode(11, OUTPUT); //R pinMode(9, OUTPUT); //G pinMode(7, OUTPUT); //B // attempt to connect to Wifi network: while (status != WL_CONNECTED) { Serial.print("Attempting to connect to Network named: "); Serial.println(ssid); // print the network name (SSID); // Connect to WPA/WPA2 network. Change this line if using open or WEP network: status = WiFi.begin(ssid, pass); } server.begin(); // start the web server on port 80 printWifiStatus(); // you're connected now, so print out the status } void loop() { WiFiClient client = server.available(); // listen for incoming clients if (client) { // if you get a client, Serial.println("new client"); // print a message out the serial port String currentLine = ""; // make a String to hold incoming data from the client while (client.connected()) { // loop while the client's connected if (client.available()) { // if there's bytes to read from the client, char c = client.read(); // read a byte, then Serial.write(c); // print it out the serial monitor if (c == '\n') { // if the byte is a newline character // if the current line is blank, you got two newline characters in a row. // that's the end of the client HTTP request, so send a response: if (currentLine.length() == 0) { // HTTP headers always start with a response code (e.g. HTTP/1.1 200 OK) // and a content-type so the client knows what's coming, then a blank line: client.println("HTTP/1.1 200 OK"); client.println("Content-type:text/html"); client.println(); // the content of the HTTP response follows the header: client.print("Click here to light red
"); client.print("Click here to light green
"); client.print("Click here to light blue
"); client.print("Click here to light white
"); client.print("Click here to light off
"); // The HTTP response ends with another blank line: client.println(); // break out of the while loop: break; } else { // if you got a newline, then clear currentLine: currentLine = ""; } } else if (c != '\r') { // if you got anything else but a carriage return character, currentLine += c; // add it to the end of the currentLine } // Check client request if (currentLine.startsWith("GET /R")) { // GET /R to light red led(1,0,0); } if (currentLine.startsWith("GET /G")) { // GET /G to light green led(0,1,0); } if (currentLine.startsWith("GET /B")) { // GET /B to light blue led(0,0,1); } if (currentLine.startsWith("GET /W")) { // GET /W to light white led(1,1,1); } if (currentLine.startsWith("GET /o")) { // GET /o to light off led(0,0,0); } } } // close the connection: client.stop(); Serial.println("client disonnected"); } } void printWifiStatus() { // print the SSID of the network you're attached to: Serial.print("SSID: "); Serial.println(WiFi.SSID()); // print your WiFi shield's IP address: IPAddress ip = WiFi.localIP(); Serial.print("IP Address: "); Serial.println(ip); // print the received signal strength: long rssi = WiFi.RSSI(); Serial.print("signal strength (RSSI):"); Serial.print(rssi); Serial.println(" dBm"); // print where to go in a browser: Serial.print("To see this page in action, open a browser to http://"); Serial.println(ip); } void led(int R, int G, int B) { digitalWrite(11, R); digitalWrite(9, G); digitalWrite(7, B); }