tool/mbed/mbed-sdk/libraries/tests/net/helloworld/broadcast_receive/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 socket;
  12     socket.bind(BROADCAST_PORT);
  13     socket.set_broadcasting();
  14
  15     Endpoint broadcaster;
  16     char buffer[256];
  17     while (true) {
  18         printf("\nWait for packet...\n");
  19         int n = socket.receiveFrom(broadcaster, buffer, sizeof(buffer));
  20         buffer[n] = '\0';
  21         printf("Packet from \"%s\": %s\n", broadcaster.get_address(), buffer);
  22     }
  23 }