DEBJYOTI SINHA / Mbed OS Ethernet_Interface

Ethernet Interface example coding

main.cpp@0:6b383744246e, 2017-01-19 (annotated)

Committer:
mab5449
Date:
Thu Jan 19 11:46:10 2017 -0600
Revision:
0:6b383744246e
Child:
1:965d7fb768b6
Ported mbed OS 2 to mbed OS 5

Who changed what in which revision?

UserRevisionLine numberNew contents of line
mab5449 0:6b383744246e 1 #include "mbed.h"
mab5449 0:6b383744246e 2 #include "EthernetInterface.h"
mab5449 0:6b383744246e 3
mab5449 0:6b383744246e 4 // Network interface
mab5449 0:6b383744246e 5 EthernetInterface net;
mab5449 0:6b383744246e 6
mab5449 0:6b383744246e 7 // Socket demo
mab5449 0:6b383744246e 8 int main() {
mab5449 0:6b383744246e 9 // Bring up the ethernet interface
mab5449 0:6b383744246e 10 printf("Ethernet socket example\n");
mab5449 0:6b383744246e 11 net.connect();
mab5449 0:6b383744246e 12
mab5449 0:6b383744246e 13 // Show the network address
mab5449 0:6b383744246e 14 const char *ip = net.get_ip_address();
mab5449 0:6b383744246e 15 printf("IP address is: %s\n", ip ? ip : "No IP");
mab5449 0:6b383744246e 16
mab5449 0:6b383744246e 17 // Open a socket on the network interface, and create a TCP connection to mbed.org
mab5449 0:6b383744246e 18 TCPSocket socket;
mab5449 0:6b383744246e 19 socket.open(&net);
mab5449 0:6b383744246e 20 socket.connect("developer.mbed.org", 80);
mab5449 0:6b383744246e 21
mab5449 0:6b383744246e 22 // Send a simple http request
mab5449 0:6b383744246e 23 char sbuffer[] = "GET / HTTP/1.1\r\nHost: developer.mbed.org\r\n\r\n";
mab5449 0:6b383744246e 24 int scount = socket.send(sbuffer, sizeof sbuffer);
mab5449 0:6b383744246e 25 printf("sent %d [%.*s]\n", scount, strstr(sbuffer, "\r\n")-sbuffer, sbuffer);
mab5449 0:6b383744246e 26
mab5449 0:6b383744246e 27 // Recieve a simple http response and print out the response line
mab5449 0:6b383744246e 28 char rbuffer[64];
mab5449 0:6b383744246e 29 int rcount = socket.recv(rbuffer, sizeof rbuffer);
mab5449 0:6b383744246e 30 printf("recv %d [%.*s]\n", rcount, strstr(rbuffer, "\r\n")-rbuffer, rbuffer);
mab5449 0:6b383744246e 31
mab5449 0:6b383744246e 32 // Close the socket to return its memory and bring down the network interface
mab5449 0:6b383744246e 33 socket.close();
mab5449 0:6b383744246e 34
mab5449 0:6b383744246e 35 // Bring down the ethernet interface
mab5449 0:6b383744246e 36 net.disconnect();
mab5449 0:6b383744246e 37 printf("Done\n");
mab5449 0:6b383744246e 38 }