Shields / Mbed 2 deprecated Seeed_Ethernet_Shield

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@0:1e952439b254, 2014-04-11 (annotated)

Committer:
screamer
Date:
Fri Apr 11 13:07:20 2014 +0000
Revision:
0:1e952439b254
Child:
1:bb040724d21b
Initial commit

Who changed what in which revision?

UserRevisionLine numberNew contents of line
screamer 0:1e952439b254 1 #include "mbed.h"
screamer 0:1e952439b254 2 #include "WIZ820ioInterface.h"
screamer 0:1e952439b254 3
screamer 0:1e952439b254 4 Serial pc(USBTX, USBRX);
screamer 0:1e952439b254 5 WIZ820ioInterface eth(D11, D12, D13, D10, NC);
screamer 0:1e952439b254 6
screamer 0:1e952439b254 7 int main()
screamer 0:1e952439b254 8 {
screamer 0:1e952439b254 9 wait(3);
screamer 0:1e952439b254 10 pc.printf(">>> Get IP via DHCP...\n");
screamer 0:1e952439b254 11 int s = eth.init(); // Use DHCP
screamer 0:1e952439b254 12
screamer 0:1e952439b254 13 if (s != NULL) {
screamer 0:1e952439b254 14 pc.printf(">>> Could not initialise. Halting!\n");
screamer 0:1e952439b254 15 exit(0);
screamer 0:1e952439b254 16 }
screamer 0:1e952439b254 17
screamer 0:1e952439b254 18 while (1) {
screamer 0:1e952439b254 19 s = eth.connect();
screamer 0:1e952439b254 20
screamer 0:1e952439b254 21 if (s == false || s < 0) {
screamer 0:1e952439b254 22 pc.printf(">>> Could not connect to network. Retrying!\n");
screamer 0:1e952439b254 23 wait(3);
screamer 0:1e952439b254 24 } else {
screamer 0:1e952439b254 25 break;
screamer 0:1e952439b254 26 }
screamer 0:1e952439b254 27 }
screamer 0:1e952439b254 28
screamer 0:1e952439b254 29 // successful DHCP
screamer 0:1e952439b254 30 pc.printf(">>> Got IP Address: %s\n", eth.getIPAddress());
screamer 0:1e952439b254 31
screamer 0:1e952439b254 32 char http_cmd[] = "GET /media/uploads/mbed_official/hello.txt HTTP/1.0\n\n";
screamer 0:1e952439b254 33 TCPSocketConnection sock;
screamer 0:1e952439b254 34 sock.connect("mbed.org", 80);
screamer 0:1e952439b254 35 sock.send_all(http_cmd, sizeof(http_cmd)-1);
screamer 0:1e952439b254 36 pc.printf(">>> Sent request to mbed.org\n");
screamer 0:1e952439b254 37
screamer 0:1e952439b254 38 char buffer[300];
screamer 0:1e952439b254 39 int ret;
screamer 0:1e952439b254 40 while (true) {
screamer 0:1e952439b254 41 ret = sock.receive(buffer, sizeof(buffer)-1);
screamer 0:1e952439b254 42 if (ret <= 0)
screamer 0:1e952439b254 43 break;
screamer 0:1e952439b254 44 buffer[ret] = '\0';
screamer 0:1e952439b254 45 pc.printf(">>> Received %d chars from mbed.org:\n%s\n", ret, buffer);
screamer 0:1e952439b254 46 }
screamer 0:1e952439b254 47 sock.close();
screamer 0:1e952439b254 48
screamer 0:1e952439b254 49 eth.disconnect();
screamer 0:1e952439b254 50 return 0;
screamer 0:1e952439b254 51 }