mbed official / Mbed 2 deprecated MulticastSend

Example multicasting of packets

Dependencies:   EthernetInterface mbed-rtos mbed

Fork of MulticastSend by Emilio Monti

Legacy Warning

This is an mbed 2 example. To learn more about mbed OS 5, visit the docs.

main.cpp@1:547a9ffe63c8, 2014-05-14 (annotated)

Committer:
Kojto
Date:
Wed May 14 15:40:51 2014 +0000
Revision:
1:547a9ffe63c8
Parent:
0:1d4435904b0b 
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emilmont 0:1d4435904b0b 1 #include "mbed.h"
emilmont 0:1d4435904b0b 2 #include "EthernetInterface.h"
emilmont 0:1d4435904b0b 3
emilmont 0:1d4435904b0b 4 const char* MCAST_GRP = "224.1.1.1";
emilmont 0:1d4435904b0b 5 const int MCAST_PORT = 5007;
emilmont 0:1d4435904b0b 6
emilmont 0:1d4435904b0b 7 int main() {
emilmont 0:1d4435904b0b 8 EthernetInterface eth;
emilmont 0:1d4435904b0b 9 eth.init(); //Use DHCP
emilmont 0:1d4435904b0b 10 eth.connect();
emilmont 0:1d4435904b0b 11
emilmont 0:1d4435904b0b 12 UDPSocket sock;
emilmont 0:1d4435904b0b 13 sock.init();
emilmont 0:1d4435904b0b 14
emilmont 0:1d4435904b0b 15 Endpoint multicast_group;
emilmont 0:1d4435904b0b 16 multicast_group.set_address(MCAST_GRP, MCAST_PORT);
emilmont 0:1d4435904b0b 17
emilmont 0:1d4435904b0b 18 char out_buffer[] = "very important data";
emilmont 0:1d4435904b0b 19 while (true) {
emilmont 0:1d4435904b0b 20 printf("Multicast to group: %s\n", MCAST_GRP);
emilmont 0:1d4435904b0b 21 sock.sendTo(multicast_group, out_buffer, sizeof(out_buffer));
emilmont 0:1d4435904b0b 22 Thread::wait(1000);
emilmont 0:1d4435904b0b 23 }
emilmont 0:1d4435904b0b 24 }