The Example of SNTP for W5500 running on Nucleo board
Dependencies: SNTPClient WIZnet_Library mbed
Fork of SNTP_Ethernet_W5500 by
main.cpp
- Committer:
- xeon011
- Date:
- 2014-12-19
- Revision:
- 0:2176bc9b0007
- Child:
- 1:c4d6fee8d958
File content as of revision 0:2176bc9b0007:
#include "mbed.h" #include "EthernetInterface.h" #include "SNTPClient.h" int main() { // EthernetInterface eth; // change for W5500 interface. #if defined(TARGET_LPC1114) SPI spi(dp2, dp1, dp6); // mosi, miso, sclk EthernetInterface eth(&spi, dp25, dp26); // spi, cs, reset #elif defined(TARGET_LPC1768) SPI spi(p11, p12, p13); // mosi, miso, sclk EthernetInterface eth(&spi, p14, p15); // spi, cs, reset #elif defined(TARGET_LPC11U68) SPI spi(P0_9, P0_8, P1_29); // mosi, miso, sclk EthernetInterface eth(&spi, P0_2, P1_28);//, nRESET(p9); // reset pin is dummy, don't affect any pin of WIZ550io #else #warning "The Device is Undefined" #endif spi.format(8,0); // 8bit, mode 0 spi.frequency(7000000); // 7MHz wait(1); // 1 second for stable state eth.init(); //Use DHCP //eth.init("192.168.11.111", "255.255.255.0", "192.168.11.1"); //Use Static IP eth.connect(); printf("IP Address is %s\n\r", eth.getIPAddress()); SNTPClient sntp("time.nist.gov", 40); // timezone: Korea, Republic of sntp.connect(); datetime time; #if 0 // execute once.. while (sntp.getTime(&time) != true) { ; } printf("%d-%d-%d, %d:%d:%d\r\n", time.yy, time.mo, time.dd, time.hh, time.mm, time.ss); #else // infinete loop.. while (1) { if(sntp.getTime(&time) == true) { printf("%d-%d-%d, %d:%d:%d\r\n", time.yy, time.mo, time.dd, time.hh, time.mm, time.ss); wait(1.0); } else { printf("failed receive..\r\n"); } } #endif }