Example program for the Ethernet Shield V2.0 by SeeedStudio. The example gets an IP address via DHCP and then requests http://mbed.org/media/uploads/mbed_official/hello.txt
Dependencies: WIZ820ioInterface mbed
main.cpp
- Committer:
- screamer
- Date:
- 2014-07-25
- Revision:
- 6:4bb23453ce91
- Parent:
- 4:14045b8557cb
File content as of revision 6:4bb23453ce91:
/* Copyright (c) 2010-2011 mbed.org, MIT License * * Permission is hereby granted, free of charge, to any person obtaining a copy of this software * and associated documentation files (the "Software"), to deal in the Software without * restriction, including without limitation the rights to use, copy, modify, merge, publish, * distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the * Software is furnished to do so, subject to the following conditions: * * The above copyright notice and this permission notice shall be included in all copies or * substantial portions of the Software. * * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING * BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ #include "mbed.h" #include "WIZ820ioInterface.h" Serial pc(USBTX, USBRX); /** * D11 - MOSI pin * D12 - MISO pin * D13 - SCK pin * D10 - SEL pin * NC - Reset pin; use D5 otherwise the shield might get into reset loop */ WIZ820ioInterface eth(D11, D12, D13, D10, D5); int main() { wait(3); // Initialize the interface. // If no param is passed to init() then DHCP will be used on connect() int s = eth.init(); if (s != NULL) { printf(">>> Could not initialise. Halting!\n"); exit(0); } printf(">>> Get IP address...\n"); while (1) { s = eth.connect(); // Connect to network if (s == false || s < 0) { printf(">>> Could not connect to network! Retrying ...\n"); wait(3); } else { break; } } printf(">>> Got IP address: %s\n", eth.getIPAddress()); // Prepare the http request to mbed.org printf(">>> Open socket to mbed.org:80\n"); char http_cmd[] = "GET /media/uploads/mbed_official/hello.txt HTTP/1.0\n\n"; TCPSocketConnection sock; while (sock.connect("mbed.org", 80) == -1) { printf(">>> Unable to open socket! Retrying ...\n"); }; printf(">>> Request %s\n", http_cmd); sock.send_all(http_cmd, sizeof(http_cmd)-1); // Read the response char buffer[300]; int ret; while (true) { ret = sock.receive(buffer, sizeof(buffer)-1); if (ret <= 0) break; buffer[ret] = '\0'; printf(">>> Received %d chars from mbed.org:\n%s\n", ret, buffer); } printf(">>> Close socket\n"); sock.close(); // Disconnect from network printf(">>> Disconnect from network\n"); eth.disconnect(); return 0; }