f6d56675f9
dc0e46e Rename LUFA to LUFA-git 3bfa7fa Remove LUFA-120730 215b764 Merge commit 'afa0f22a9299686fd88f58ce09c5b521ac917e8f' as 'protocol/lufa/LUFA' afa0f22 Squashed 'protocol/lufa/LUFA/' content from commit def7fca c0c42fa Remove submodule of LUFA 30f897d Merge commit '87ced33feb74e79c3281dda36eb6d6d153399b41' as 'protocol/usb_hid/USB_Host_Shield_2.0' 87ced33 Squashed 'protocol/usb_hid/USB_Host_Shield_2.0/' content from commit aab4a69 14f6d49 Remove submodule of USB_Host_Shield_2.0 git-subtree-dir: tmk_core git-subtree-split: dc0e46eaa4367d4e218f8816e3c117895820f07c
38 lines
576 B
C
38 lines
576 B
C
#include <stdint.h>
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#include <stdlib.h>
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#include <stdio.h>
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#include <LUFA/Common/Common.h>
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#include "clock.h"
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//Counted time
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volatile clock_time_t clock_datetime = 0;
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//Overflow interrupt
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ISR(TIMER1_COMPA_vect, ISR_BLOCK)
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{
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clock_datetime += 1;
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}
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//Initialise the clock
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void clock_init()
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{
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OCR1A = (((F_CPU / 1024) / 100) - 1);
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TCCR1B = ((1 << WGM12) | (1 << CS12) | (1 << CS10));
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TIMSK1 = (1 << OCIE1A);
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}
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//Return time
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clock_time_t clock_time()
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{
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clock_time_t time;
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GlobalInterruptDisable();
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time = clock_datetime;
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GlobalInterruptEnable();
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return time;
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}
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