diff options
| author | Cristian Maglie <c.maglie@bug.st> | 2012-10-22 09:17:24 +0200 | 
|---|---|---|
| committer | Cristian Maglie <c.maglie@bug.st> | 2012-10-22 09:17:24 +0200 | 
| commit | e03133b1b43fd445d3ed79a83d12786ef351cd35 (patch) | |
| tree | b8c10307727d0cb1571b1eb139f2f98537e29995 /libraries/WiFi/examples/WifiWebClientRepeating | |
| parent | 46d658fac872f7aa8856c792b1744b74f2d9946d (diff) | |
Moved WiFi library in the proper place
Diffstat (limited to 'libraries/WiFi/examples/WifiWebClientRepeating')
| -rw-r--r-- | libraries/WiFi/examples/WifiWebClientRepeating/WifiWebClientRepeating.ino | 138 | 
1 files changed, 138 insertions, 0 deletions
| diff --git a/libraries/WiFi/examples/WifiWebClientRepeating/WifiWebClientRepeating.ino b/libraries/WiFi/examples/WifiWebClientRepeating/WifiWebClientRepeating.ino new file mode 100644 index 0000000..96eb628 --- /dev/null +++ b/libraries/WiFi/examples/WifiWebClientRepeating/WifiWebClientRepeating.ino @@ -0,0 +1,138 @@ +/* +  Repeating Wifi Web client +  + This sketch connects to a a web server and makes a request + using an Arduino Wifi shield. +  + Circuit: + * Wifi shield attached to pins 10, 11, 12, 13 +  + created 23 April 2012 + modifide 31 May 2012 + by Tom Igoe +  + http://arduino.cc/en/Tutorial/WifiWebClientRepeating + This code is in the public domain. + */ + +#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; + +// Initialize the Wifi client library +WiFiClient client; + +// server address: +char server[] = "www.arduino.cc"; +//IPAddress server(64,131,82,241); + +unsigned long lastConnectionTime = 0;           // last time you connected to the server, in milliseconds +boolean lastConnected = false;                  // state of the connection last time through the main loop +const unsigned long postingInterval = 10*1000;  // delay between updates, in milliseconds + +void setup() { +  //Initialize serial and wait for port to open: +  Serial.begin(9600);  +  while (!Serial) { +    ; // wait for serial port to connect. Needed for Leonardo only +  } +   +  // check for the presence of the shield: +  if (WiFi.status() == WL_NO_SHIELD) { +    Serial.println("WiFi shield not present");  +    // don't continue: +    while(true); +  }  +   +  // attempt to connect to Wifi network: +  while ( status != WL_CONNECTED) {  +    Serial.print("Attempting to connect to SSID: "); +    Serial.println(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); +  }  +  // you're connected now, so print out the status: +  printWifiStatus(); +} + +void loop() { +  // if there's incoming data from the net connection. +  // send it out the serial port.  This is for debugging +  // purposes only: +  while (client.available()) { +    char c = client.read(); +    Serial.write(c); +  } + +  // if there's no net connection, but there was one last time +  // through the loop, then stop the client: +  if (!client.connected() && lastConnected) { +    Serial.println(); +    Serial.println("disconnecting."); +    client.stop(); +  } + +  // if you're not connected, and ten seconds have passed since +  // your last connection, then connect again and send data: +  if(!client.connected() && (millis() - lastConnectionTime > postingInterval)) { +    httpRequest(); +  } +  // store the state of the connection for next time through +  // the loop: +  lastConnected = client.connected(); +} + +// this method makes a HTTP connection to the server: +void httpRequest() { +  // if there's a successful connection: +  if (client.connect(server, 80)) { +    Serial.println("connecting..."); +    // send the HTTP PUT request: +    client.println("GET /latest.txt HTTP/1.1"); +    client.println("Host: www.arduino.cc"); +    client.println("User-Agent: arduino-ethernet"); +    client.println("Connection: close"); +    client.println(); + +    // note the time that the connection was made: +    lastConnectionTime = millis(); +  }  +  else { +    // if you couldn't make a connection: +    Serial.println("connection failed"); +    Serial.println("disconnecting."); +    client.stop(); +  } +} + + +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"); +} + + + + + + | 
