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Diffstat (limited to 'libraries/WiFi/examples/SimpleWebServerWiFi')
| -rw-r--r-- | libraries/WiFi/examples/SimpleWebServerWiFi/SimpleWebServerWiFi.ino | 129 | 
1 files changed, 129 insertions, 0 deletions
| diff --git a/libraries/WiFi/examples/SimpleWebServerWiFi/SimpleWebServerWiFi.ino b/libraries/WiFi/examples/SimpleWebServerWiFi/SimpleWebServerWiFi.ino new file mode 100644 index 0000000..cdb4e62 --- /dev/null +++ b/libraries/WiFi/examples/SimpleWebServerWiFi/SimpleWebServerWiFi.ino @@ -0,0 +1,129 @@ +/* +  WiFi Web Server LED Blink +  + A simple web server that lets you blink an LED via the web. + This sketch will print the IP address of your WiFi Shield (once connected) + to the Serial monitor. From there, you can open that address in a web browser + to turn on and off the LED on pin 9. +  + If the IP address of your shield is yourAddress: + http://yourAddress/H turns the LED on + http://yourAddress/L turns it off +  + This example is written for a network using WPA encryption. For  + WEP or WPA, change the Wifi.begin() call accordingly. +  + Circuit: + * WiFi shield attached + * LED attached to pin 9 +  + created 25 Nov 2012 + by Tom Igoe + */ +#include <SPI.h> +#include <WiFi.h> + +char ssid[] = "yourNetwork";      //  your network SSID (name)  +char pass[] = "secretPassword";   // 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(9, OUTPUT);      // set the LED pin mode + +  // check for the presence of the shield: +  if (WiFi.status() == WL_NO_SHIELD) { +    Serial.println("WiFi shield not present");  +    while(true);        // don't continue +  }  + +  // 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); +    // wait 10 seconds for connection: +    delay(10000); +  }  +  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 <a href=\"/H\">here</a> turn the LED on pin 9 on<br>"); +            client.print("Click <a href=\"/L\">here</a> turn the LED on pin 9 off<br>"); + +            // 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 to see if the client request was "GET /H" or "GET /L": +        if (currentLine.endsWith("GET /H")) { +          digitalWrite(9, HIGH);               // GET /H turns the LED on +        } +        if (currentLine.endsWith("GET /L")) { +          digitalWrite(9, LOW);                // GET /L turns the LED off +        } +      } +    } +    // 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); +} | 
