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#include "mbed.h"
#include "EthernetInterface.h"
const char* MCAST_GRP = "224.1.1.1";
const int MCAST_PORT = 5007;
int main() {
EthernetInterface eth;
eth.init(); //Use DHCP
eth.connect();
UDPSocket server;
server.bind(MCAST_PORT);
if (server.join_multicast_group(MCAST_GRP) != 0) {
printf("Error joining the multicast group\n");
while (true) {}
}
Endpoint client;
char buffer[256];
while (true) {
printf("\nWait for packet...\n");
int n = server.receiveFrom(client, buffer, sizeof(buffer));
printf("Packet from \"%s\": %s\n", client.get_address(), buffer);
}
}
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