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Diffstat (limited to 'libraries/WiFi/examples/WiFiTwitterClient')
-rw-r--r-- | libraries/WiFi/examples/WiFiTwitterClient/WiFiTwitterClient.ino | 163 |
1 files changed, 0 insertions, 163 deletions
diff --git a/libraries/WiFi/examples/WiFiTwitterClient/WiFiTwitterClient.ino b/libraries/WiFi/examples/WiFiTwitterClient/WiFiTwitterClient.ino deleted file mode 100644 index d500cfb..0000000 --- a/libraries/WiFi/examples/WiFiTwitterClient/WiFiTwitterClient.ino +++ /dev/null @@ -1,163 +0,0 @@ -/* - Wifi Twitter Client with Strings - - This sketch connects to Twitter using using an Arduino WiFi shield. - It parses the XML returned, and looks for <text>this is a tweet</text> - - This example is written for a network using WPA encryption. For - WEP or WPA, change the Wifi.begin() call accordingly. - - This example uses the String library, which is part of the Arduino core from - version 0019. - - Circuit: - * WiFi shield attached to pins 10, 11, 12, 13 - - created 23 apr 2012 - modified 31 May 2012 - by Tom Igoe - - This code is in the public domain. - - */ -#include <SPI.h> -#include <WiFi.h> - -char ssid[] = "yourNetwork"; // your network SSID (name) -char pass[] = "password"; // your network password (use for WPA, or use as key for WEP) -int keyIndex = 0; // your network key Index number (needed only for WEP) - -int status = WL_IDLE_STATUS; // status of the wifi connection - -// initialize the library instance: -WiFiClient client; - -const unsigned long requestInterval = 30*1000; // delay between requests; 30 seconds - -// if you don't want to use DNS (and reduce your sketch size) -// use the numeric IP instead of the name for the server: -//IPAddress server(199,59,149,200); // numeric IP for api.twitter.com -char server[] = "api.twitter.com"; // name address for twitter API - -boolean requested; // whether you've made a request since connecting -unsigned long lastAttemptTime = 0; // last time you connected to the server, in milliseconds - -String currentLine = ""; // string to hold the text from server -String tweet = ""; // string to hold the tweet -boolean readingTweet = false; // if you're currently reading the tweet - -void setup() { - // reserve space for the strings: - currentLine.reserve(256); - tweet.reserve(150); - //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(); - connectToServer(); -} - -void loop() -{ - if (client.connected()) { - if (client.available()) { - // read incoming bytes: - char inChar = client.read(); - - // add incoming byte to end of line: - currentLine += inChar; - - // if you get a newline, clear the line: - if (inChar == '\n') { - currentLine = ""; - } - // if the current line ends with <text>, it will - // be followed by the tweet: - if ( currentLine.endsWith("<text>")) { - // tweet is beginning. Clear the tweet string: - readingTweet = true; - tweet = ""; - // break out of the loop so this character isn't added to the tweet: - return; - } - // if you're currently reading the bytes of a tweet, - // add them to the tweet String: - if (readingTweet) { - if (inChar != '<') { - tweet += inChar; - } - else { - // if you got a "<" character, - // you've reached the end of the tweet: - readingTweet = false; - Serial.println(tweet); - // close the connection to the server: - client.stop(); - } - } - } - } - else if (millis() - lastAttemptTime > requestInterval) { - // if you're not connected, and two minutes have passed since - // your last connection, then attempt to connect again: - connectToServer(); - } -} - -void connectToServer() { - // attempt to connect, and wait a millisecond: - Serial.println("connecting to server..."); - if (client.connect(server, 80)) { - Serial.println("making HTTP request..."); - // make HTTP GET request to twitter: - client.println("GET /1/statuses/user_timeline.xml?screen_name=arduino HTTP/1.1"); - client.println("Host: api.twitter.com"); - client.println("Connection: close"); - client.println(); - } - // note the time of this connect attempt: - lastAttemptTime = millis(); -} - - -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"); -} - - - - |