Najia Hossain / Mbed 2 deprecated RTC_clock

This is the REAL TIME CLOCK for LPC1768

Dependencies:   TextLCD mbed

Fork of clock by masa miya

This code is for RTC of LPC1768. To give the value of year , one needs to substruct 1900 from the present year.

main.cpp@1:63e1320ed4f8, 2013-04-09 (annotated)

Committer:
tadns
Date:
Tue Apr 09 13:22:38 2013 +0000
Revision:
1:63e1320ed4f8
Parent:
0:11c4cf24f38b 
RTC clock for LPC 1768

Who changed what in which revision?

UserRevisionLine numberNew contents of line
jf1vrr 0:11c4cf24f38b 1 #include "mbed.h"
jf1vrr 0:11c4cf24f38b 2 #include "TextLCD.h"
jf1vrr 0:11c4cf24f38b 3
jf1vrr 0:11c4cf24f38b 4 TextLCD lcd(p24, p26, p27, p28, p29, p30);
jf1vrr 0:11c4cf24f38b 5
jf1vrr 0:11c4cf24f38b 6 int main() {
tadns 1:63e1320ed4f8 7 // setup time structure for Wed, 11 April 2013 5:00:00
tadns 1:63e1320ed4f8 8 struct tm t;
tadns 1:63e1320ed4f8 9 t.tm_sec = 00; // 0-59
tadns 1:63e1320ed4f8 10 t.tm_min = 00; // 0-59
tadns 1:63e1320ed4f8 11 t.tm_hour = 5; // 0-23
tadns 1:63e1320ed4f8 12 t.tm_mday = 11; // 1-31
tadns 1:63e1320ed4f8 13 t.tm_mon = 3; // 0-11
tadns 1:63e1320ed4f8 14 t.tm_year = 113; // year since 1900
jf1vrr 0:11c4cf24f38b 15
tadns 1:63e1320ed4f8 16 // convert to timestamp
tadns 1:63e1320ed4f8 17 time_t seconds = mktime(&t);
tadns 1:63e1320ed4f8 18
tadns 1:63e1320ed4f8 19 // Set RTC time today
tadns 1:63e1320ed4f8 20 set_time(mktime(&t));
tadns 1:63e1320ed4f8 21
tadns 1:63e1320ed4f8 22 while(1) {
tadns 1:63e1320ed4f8 23
jf1vrr 0:11c4cf24f38b 24 time_t seconds = time(NULL);
jf1vrr 0:11c4cf24f38b 25
tadns 1:63e1320ed4f8 26 lcd.locate(0,0);
tadns 1:63e1320ed4f8 27 char day[16];
tadns 1:63e1320ed4f8 28 strftime(day, 16, "%Y/%m/%d %a\n", localtime(&seconds));
tadns 1:63e1320ed4f8 29 lcd.printf("%s", day);
tadns 1:63e1320ed4f8 30
tadns 1:63e1320ed4f8 31 char time[16];
tadns 1:63e1320ed4f8 32 strftime(time, 16, "%H:%M:%S\n", localtime(&seconds));
tadns 1:63e1320ed4f8 33 lcd.locate(0,1);
tadns 1:63e1320ed4f8 34 lcd.printf("%s", time);
tadns 1:63e1320ed4f8 35
tadns 1:63e1320ed4f8 36
jf1vrr 0:11c4cf24f38b 37 wait(1.0);
tadns 1:63e1320ed4f8 38 }
tadns 1:63e1320ed4f8 39
tadns 1:63e1320ed4f8 40
tadns 1:63e1320ed4f8 41
tadns 1:63e1320ed4f8 42
jf1vrr 0:11c4cf24f38b 43 }