main.cpp

00001 /* Copyright (c) 2010-2011 mbed.org, MIT License
00002 *
00003 * Permission is hereby granted, free of charge, to any person obtaining a copy of this software
00004 * and associated documentation files (the "Software"), to deal in the Software without
00005 * restriction, including without limitation the rights to use, copy, modify, merge, publish,
00006 * distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the
00007 * Software is furnished to do so, subject to the following conditions:
00008 *
00009 * The above copyright notice and this permission notice shall be included in all copies or
00010 * substantial portions of the Software.
00011 *
00012 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING
00013 * BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
00014 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
00015 * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
00016 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
00017 */
00018 
00019 #include "mbed.h"
00020 #include "WIZ820ioInterface.h"
00021 
00022 Serial pc(USBTX, USBRX);
00023 
00024 /**
00025  * D11 - MOSI pin
00026  * D12 - MISO pin
00027  * D13 - SCK pin
00028  * D10 - SEL pin
00029  * NC - Reset pin; use D5 otherwise the shield might get into reset loop
00030  */
00031 WIZ820ioInterface eth(D11, D12, D13, D10, D5);
00032 
00033 int main()
00034 {
00035     wait(3);
00036     
00037     // Initialize the interface.
00038     // If no param is passed to init() then DHCP will be used on connect()
00039     int s = eth.init();
00040     if (s != NULL) {
00041         printf(">>> Could not initialise. Halting!\n");
00042         exit(0);
00043     }
00044 
00045     printf(">>> Get IP address...\n");
00046     while (1) {
00047         s = eth.connect(); // Connect to network
00048 
00049         if (s == false || s < 0) {
00050             printf(">>> Could not connect to network! Retrying ...\n");
00051             wait(3);
00052         } else {
00053             break;
00054         }
00055     }
00056     printf(">>> Got IP address: %s\n", eth.getIPAddress());
00057 
00058     // Prepare the http request to mbed.org
00059     printf(">>> Open socket to mbed.org:80\n");
00060     char http_cmd[] = "GET /media/uploads/mbed_official/hello.txt HTTP/1.0\n\n";
00061     TCPSocketConnection sock;
00062     
00063     while (sock.connect("mbed.org", 80) == -1) {
00064         printf(">>> Unable to open socket! Retrying ...\n");
00065     };
00066     
00067     printf(">>> Request %s\n", http_cmd);
00068     sock.send_all(http_cmd, sizeof(http_cmd)-1);
00069 
00070     // Read the response
00071     char buffer[300];
00072     int ret;
00073     while (true) {
00074         ret = sock.receive(buffer, sizeof(buffer)-1);
00075         if (ret <= 0)
00076             break;
00077         buffer[ret] = '\0';
00078         printf(">>> Received %d chars from mbed.org:\n%s\n", ret, buffer);
00079     }
00080 
00081     printf(">>> Close socket\n");
00082     sock.close();
00083     
00084     // Disconnect from network
00085     printf(">>> Disconnect from network\n");
00086     eth.disconnect();
00087 
00088     return 0;
00089 }