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- #include <stdint.h>
- #include <stdlib.h>
- #include <stdio.h>
-
- #include <LUFA/Common/Common.h>
-
- #include "clock.h"
-
- //Counted time
- volatile clock_time_t clock_datetime = 0;
-
- //Overflow interrupt
- ISR(TIMER1_COMPA_vect, ISR_BLOCK)
- {
- clock_datetime += 1;
- }
-
- //Initialise the clock
- void clock_init()
- {
- OCR1A = (((F_CPU / 1024) / 100) - 1);
- TCCR1B = ((1 << WGM12) | (1 << CS12) | (1 << CS10));
- TIMSK1 = (1 << OCIE1A);
- }
-
- //Return time
- clock_time_t clock_time()
- {
- clock_time_t time;
-
- GlobalInterruptDisable();
- time = clock_datetime;
- GlobalInterruptEnable();
-
- return time;
- }
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