Tatsuya Iwai
/
set_real_time_clock
Display RTC on LCD. User is also able to update RTC from console.
main.cpp@0:bad75bd13618, 2014-02-21 (annotated)
- Committer:
- bcostm
- Date:
- Fri Feb 21 10:00:46 2014 +0000
- Revision:
- 0:bad75bd13618
- Child:
- 1:1b17dcd80a7d
Initial version.
Who changed what in which revision?
User | Revision | Line number | New contents of line |
---|---|---|---|
bcostm | 0:bad75bd13618 | 1 | #include "mbed.h" |
bcostm | 0:bad75bd13618 | 2 | |
bcostm | 0:bad75bd13618 | 3 | DigitalOut myled(LED1); |
bcostm | 0:bad75bd13618 | 4 | |
bcostm | 0:bad75bd13618 | 5 | int main() { |
bcostm | 0:bad75bd13618 | 6 | |
bcostm | 0:bad75bd13618 | 7 | printf("RTC example\n"); |
bcostm | 0:bad75bd13618 | 8 | set_time(1387188323); // Set RTC time to 16 December 2013 10:05:23 UTC |
bcostm | 0:bad75bd13618 | 9 | printf("Date and time are set.\n"); |
bcostm | 0:bad75bd13618 | 10 | |
bcostm | 0:bad75bd13618 | 11 | while(1) { |
bcostm | 0:bad75bd13618 | 12 | |
bcostm | 0:bad75bd13618 | 13 | time_t seconds = time(NULL); |
bcostm | 0:bad75bd13618 | 14 | |
bcostm | 0:bad75bd13618 | 15 | //printf("Time as seconds since January 1, 1970 = %d\n", seconds); |
bcostm | 0:bad75bd13618 | 16 | |
bcostm | 0:bad75bd13618 | 17 | printf("Time as a basic string = %s", ctime(&seconds)); |
bcostm | 0:bad75bd13618 | 18 | |
bcostm | 0:bad75bd13618 | 19 | //char buffer[32]; |
bcostm | 0:bad75bd13618 | 20 | //strftime(buffer, 32, "%I:%M:%S %p\n", localtime(&seconds)); |
bcostm | 0:bad75bd13618 | 21 | //printf("Time as a custom formatted string = %s", buffer); |
bcostm | 0:bad75bd13618 | 22 | |
bcostm | 0:bad75bd13618 | 23 | myled = !myled; |
bcostm | 0:bad75bd13618 | 24 | wait(1); |
bcostm | 0:bad75bd13618 | 25 | } |
bcostm | 0:bad75bd13618 | 26 | } |