main.cpp

00001 #include "mbed.h"
00002 #include "TextLCD.h"
00003 
00004 void SetDateTime(int year,int mon, int day, int hour,int min,int sec);
00005 
00006 TextLCD lcd(D12, D11, D5, D4, D3, D2, TextLCD::LCD16x2); // rs, e, d4-d7
00007 DigitalOut myled(LED1);
00008 char buf[16];
00009 
00010 int main()
00011 {
00012     lcd.printf("RTC example.");
00013 //set_time(1387188323);
00014     SetDateTime(2016,10,24,14,17,0);
00015     lcd.locate(0,1);
00016     lcd.printf("Time is set.");
00017     wait(2);
00018     lcd.locate(0,1);
00019     lcd.printf(" ");
00020     while(1) {
00021         lcd.locate(0,1);
00022         time_t seconds = time(NULL);
00023 //lcd.printf("Time: ", ctime(&seconds));
00024         strftime(buf,16, "%H:%M:%S", localtime(&seconds));
00025         lcd.printf(buf);
00026         myled = !myled;
00027         wait(1);
00028 
00029     }
00030 }
00031 
00032 void SetDateTime(int year=2013,int mon=0, int day=1, int hour=0,int min=0,int sec=0)
00033 {
00034     struct tm Clock;
00035     Clock.tm_year = year - 1900;
00036     Clock.tm_mon = mon;
00037     Clock.tm_mday = day;
00038     Clock.tm_hour = hour;
00039     Clock.tm_min = min;
00040     Clock.tm_sec = sec;
00041     time_t epoch = mktime(&Clock);
00042     if (epoch == (time_t) -1) {
00043         error("Error in clock setting\n");
00044         // Stop here
00045     }
00046     set_time(epoch);
00047 }