mbed-os/libraries/tests/net/echo/udp_server/main.cpp

25 lines
591 B
C++

#include "mbed.h"
#include "EthernetInterface.h"
#define ECHO_SERVER_PORT 7
int main (void) {
EthernetInterface eth;
eth.init(); //Use DHCP
eth.connect();
printf("IP Address is %s\n", eth.getIPAddress());
UDPSocket server;
server.bind(ECHO_SERVER_PORT);
Endpoint client;
char buffer[256];
while (true) {
printf("\nWait for packet...\n");
int n = server.receiveFrom(client, buffer, sizeof(buffer));
printf("Received packet from: %s\n", client.get_address());
server.sendTo(client, buffer, n);
}
}