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