TwitterExample.cpp

00001 /*
00002   Update: 21-06-2010
00003   The basic authentication service for twitter is going down at the end of the week.
00004   To continue using that program, the code has been updated to use http://supertweet.net which acts as an API proxy.
00005   Simply visit the website to setup your twitter account for this API.
00006   See: http://www.supertweet.net/about/documentation
00007 */
00008 
00009 #include "mbed.h"
00010 #include "EthernetNetIf.h"
00011 #include "HTTPClient.h"
00012 
00013 EthernetNetIf eth; 
00014 
00015 int main() {
00016 
00017   printf("Init\n");
00018 
00019   printf("\r\nSetting up...\r\n");
00020   EthernetErr ethErr = eth.setup();
00021   if(ethErr)
00022   {
00023     printf("Error %d in setup.\n", ethErr);
00024     return -1;
00025   }
00026   printf("\r\nSetup OK\r\n");
00027 
00028   HTTPClient twitter;
00029   
00030   HTTPMap msg;
00031   //msg["status"] = "I am tweeting from my mbed!"; //A good example of Key/Value pair use with Web APIs
00032   LocalFileSystem local("local");
00033   char   s[256];
00034   FILE   *fp;
00035   
00036   printf("\r\nreading a message file.\r\n");
00037   
00038   if(NULL == (fp = fopen("/local/tweet.txt","r")) ) {
00039     printf("\r\nError: The message file cannot be accessed\r\n");
00040     return -1;
00041   }
00042   
00043   fgets(s,256,fp);
00044   fclose(fp);
00045   
00046   msg["status"] = s;
00047 
00048   twitter.basicAuth("user", "pass"); //We use basic authentication, replace with you account's parameters
00049   
00050   //No need to retieve data sent back by the server
00051   HTTPResult r = twitter.post("http://api.supertweet.net/1/statuses/update.xml", msg, NULL); 
00052   if( r == HTTP_OK )
00053   {
00054     printf("Tweet sent with success!\n");
00055   }
00056   else
00057   {
00058     printf("Problem during tweeting, return code %d\n", r);
00059   }
00060   
00061   return 0;
00062 
00063 }