HTTP_Client

Published 31 Mar 2010, by Yoshihiro TSUBOI
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Show/hide line numbers main.cpp Source File
main.cpp

00001 #include "mbed.h"
00002 // import Library from http://mbed.org/projects/cookbook/svn/EMAC/lwip/trunk
00003 // Name: HTTPClient
00004 #include "HTTPClient.h"
00005 
00006 DigitalOut led(LED1);
00007 
00008 // see http://mbed.org/projects/cookbook/api/EMAC/lwip/trunk/HTTPClient/HTTPClient#HTTPClient.HTTPClientd
00009 HTTPClient http("wolf",                 // Brings up the device with static IP address and domain name.
00010                 IPv4(192,168,15,123),   // IPv4 address
00011                 IPv4(255,255,255,0),    // netmask
00012                 IPv4(192,168,15,2),     // default gateway
00013                 IPv4(192,168,15,2));    // dns server
00014                 
00015 LocalFileSystem local("local");
00016 /**
00017  * Request a google search for HelloWorld and display the first 2000 characters 
00018  * of the page source on the serial terminal.
00019  */
00020 int main(void) {
00021   char url[256];
00022 
00023   // Open a file to write.
00024   FILE *fd = fopen("/local/hello.htm", "w");
00025 
00026   // Insert the search term into the URL
00027   sprintf(url, "http://www.google.co.jp/search?hl=en&q=%s&btnG=Search&meta=", "HelloWorld");
00028 
00029   // Request a page and store it into a file.
00030   http.get(url, fd);
00031 
00032   // Close the file.
00033   fclose(fd);
00034 
00035   // The file is written on the local disk.
00036   // "/hello.htm" Have a look.
00037 
00038   // Work is done!
00039   while(1) {
00040     led = !led;
00041     wait(0.2);
00042   }
00043 }