tool/mbed/mbed-sdk/libraries/tests/net/helloworld/broadcast_send/main.cpp

   1 #include "mbed.h"
   2 #include "EthernetInterface.h"
   3
   4 const int BROADCAST_PORT = 58083;
   5
   6 int main() {
   7     EthernetInterface eth;
   8     eth.init(); //Use DHCP
   9     eth.connect();
  10
  11     UDPSocket sock;
  12     sock.init();
  13     sock.set_broadcasting();
  14
  15     Endpoint broadcast;
  16     broadcast.set_address("255.255.255.255", BROADCAST_PORT);
  17
  18     char out_buffer[] = "very important data";
  19
  20     while (true) {
  21         printf("Broadcasting...\n");
  22         sock.sendTo(broadcast, out_buffer, sizeof(out_buffer));
  23         Thread::wait(1000);
  24     }
  25 }