2 #include "EthernetInterface.h"
6 const char *HTTP_SERVER_NAME = "utcnist.colorado.edu";
7 const int HTTP_SERVER_PORT = 37;
8 const float YEARS_TO_PASS = 114.0;
13 MBED_HOSTTEST_TIMEOUT(20);
14 MBED_HOSTTEST_SELECT(default_auto);
15 MBED_HOSTTEST_DESCRIPTION(NIST Internet Time Service);
16 MBED_HOSTTEST_START("NET_2");
19 EthernetInterface eth;
20 eth.init(); //Use DHCP
22 printf("UDP client IP Address is %s\n", eth.getIPAddress());
28 nist.set_address(HTTP_SERVER_NAME, HTTP_SERVER_PORT);
30 char out_buffer[] = "plop"; // Does not matter
31 sock.sendTo(nist, out_buffer, sizeof(out_buffer));
34 char in_buffer_tab[4];
35 unsigned int in_buffer_uint;
38 const int n = sock.receiveFrom(nist, in_buffer_tab, sizeof(in_buffer_tab));
41 const unsigned int timeRes = ntohl(in_buffer_uint);
42 const float years = timeRes / 60.0 / 60.0 / 24.0 / 365.0;
43 const float days = timeRes / 24.0 / 60.0 / 60.0;
44 printf("UDP: Received %d bytes from server %s on port %d\r\n", n, nist.get_address(), nist.get_port());
45 printf("UDP: %u seconds since 01/01/1900 00:00 GMT ... %s\r\n", timeRes, timeRes > 0 ? "[OK]" : "[FAIL]");
46 printf("UDP: %.2f days since 01/01/1900 00:00 GMT ... %s\r\n", days, timeRes > 0 ? "[OK]" : "[FAIL]");
47 printf("UDP: %.2f years since 01/01/1900 00:00 GMT ... %s\r\n", years, timeRes > YEARS_TO_PASS ? "[OK]" : "[FAIL]");
49 if (years < YEARS_TO_PASS) {
55 MBED_HOSTTEST_RESULT(result);