Fetch Current UTC Date and Time from NTP (Network Time Protocol)
Dependencies: C12832_lcd EthernetInterface NTPClient mbed-rtos mbed
Diff: main.cpp
- Revision:
- 0:0d3b3b9fd82e
- Child:
- 1:039c06964ad9
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/main.cpp Tue Oct 06 10:38:36 2015 +0000 @@ -0,0 +1,42 @@ +#include "mbed.h" +#include "EthernetInterface.h" +#include "NTPClient.h" +#include "C12832_lcd.h" + +C12832_LCD lcd; //Graphics LCD +EthernetInterface eth; +NTPClient ntp; + +static const char* mbedIp = "192.168.0.160"; //IP +static const char* mbedMask = "255.255.255.0"; // Mask +static const char* mbedGateway = "192.168.0.254"; //Gateway + +int main() +{ + EthernetInterface eth; + eth.init(mbedIp,mbedMask,mbedGateway); //Use these parameters for static IP + eth.connect(); + lcd.printf("Connected! IP Address is %s\n", eth.getIPAddress()); + + lcd.cls(); + lcd.printf("Trying to update time...\r\n"); + if (ntp.setTime("0.pool.ntp.org") == 0) { + lcd.printf("Set time successfully\r\n"); + while(1) { + lcd.cls(); + lcd.locate(0,0); + time_t ctTime; + ctTime = time(NULL); + lcd.printf("%s\r\n", ctime(&ctTime)); + lcd.printf("Current Time (UTC)"); + wait(1); + } + } else { + lcd.printf("NTP Error\r\n"); + } + + eth.disconnect(); + + while(1) { + } +}