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Diffstat (limited to 'libraries/Ethernet/examples/TwitterClient/TwitterClient.ino')
-rw-r--r-- | libraries/Ethernet/examples/TwitterClient/TwitterClient.ino | 136 |
1 files changed, 0 insertions, 136 deletions
diff --git a/libraries/Ethernet/examples/TwitterClient/TwitterClient.ino b/libraries/Ethernet/examples/TwitterClient/TwitterClient.ino deleted file mode 100644 index 9fee1fe..0000000 --- a/libraries/Ethernet/examples/TwitterClient/TwitterClient.ino +++ /dev/null @@ -1,136 +0,0 @@ -/* - Twitter Client with Strings - - This sketch connects to Twitter using an Ethernet shield. It parses the XML - returned, and looks for <text>this is a tweet</text> - - You can use the Arduino Ethernet shield, or the Adafruit Ethernet shield, - either one will work, as long as it's got a Wiznet Ethernet module on board. - - This example uses the DHCP routines in the Ethernet library which is part of the - Arduino core from version 1.0 beta 1 - - This example uses the String library, which is part of the Arduino core from - version 0019. - - Circuit: - * Ethernet shield attached to pins 10, 11, 12, 13 - - created 21 May 2011 - modified 9 Apr 2012 - by Tom Igoe - - This code is in the public domain. - - */ -#include <SPI.h> -#include <Ethernet.h> - - -// Enter a MAC address and IP address for your controller below. -// The IP address will be dependent on your local network: -byte mac[] = { - 0x00, 0xAA, 0xBB, 0xCC, 0xDE, 0x01 }; -IPAddress ip(192,168,1,20); - -// initialize the library instance: -EthernetClient client; - -const unsigned long requestInterval = 60000; // delay between requests - -char serverName[] = "api.twitter.com"; // twitter URL - -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); - - // Open serial communications and wait for port to open: - Serial.begin(9600); - while (!Serial) { - ; // wait for serial port to connect. Needed for Leonardo only - } - - - // attempt a DHCP connection: - Serial.println("Attempting to get an IP address using DHCP:"); - if (!Ethernet.begin(mac)) { - // if DHCP fails, start with a hard-coded address: - Serial.println("failed to get an IP address using DHCP, trying manually"); - Ethernet.begin(mac, ip); - } - Serial.print("My address:"); - Serial.println(Ethernet.localIP()); - // connect to Twitter: - 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 = ""; - } - // 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(serverName, 80)) { - Serial.println("making HTTP request..."); - // make HTTP GET request to twitter: - client.println("GET /1/statuses/user_timeline.xml?screen_name=arduino&count=1 HTTP/1.1"); - client.println("HOST: api.twitter.com"); - client.println("Connection: close"); - client.println(); - } - // note the time of this connect attempt: - lastAttemptTime = millis(); -} - |