mirror of https://github.com/ARMmbed/mbed-os.git
29 lines
743 B
C++
29 lines
743 B
C++
#include "mbed.h"
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#include "EthernetInterface.h"
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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 sock;
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sock.init();
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Endpoint nist;
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nist.set_address("utcnist.colorado.edu", 37);
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char out_buffer[] = "plop"; // Does not matter
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sock.sendTo(nist, out_buffer, sizeof(out_buffer));
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char in_buffer[4];
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int n = sock.receiveFrom(nist, in_buffer, sizeof(in_buffer));
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unsigned int timeRes = ntohl( *((unsigned int*)in_buffer));
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printf("Received %d bytes from server %s on port %d: %u seconds since 1/01/1900 00:00 GMT\n", n, nist.get_address(), nist.get_port(), timeRes);
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sock.close();
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eth.disconnect();
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while(1) {}
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}
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