mirror of
https://github.com/qmk/qmk_firmware.git
synced 2024-11-24 20:32:58 +00:00
54 lines
1.4 KiB
C
54 lines
1.4 KiB
C
/*
|
|
Copyright 2011 Jun Wako <wakojun@gmail.com>
|
|
|
|
This program is free software: you can redistribute it and/or modify
|
|
it under the terms of the GNU General Public License as published by
|
|
the Free Software Foundation, either version 2 of the License, or
|
|
(at your option) any later version.
|
|
|
|
This program is distributed in the hope that it will be useful,
|
|
but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
GNU General Public License for more details.
|
|
|
|
You should have received a copy of the GNU General Public License
|
|
along with this program. If not, see <http://www.gnu.org/licenses/>.
|
|
*/
|
|
|
|
#ifndef TIMER_H
|
|
#define TIMER_H 1
|
|
|
|
#include <stdint.h>
|
|
|
|
#if defined(__AVR__)
|
|
#include "avr/timer_avr.h"
|
|
#endif
|
|
|
|
|
|
#define TIMER_DIFF(a, b, max) ((a) >= (b) ? (a) - (b) : (max) - (b) + (a))
|
|
#define TIMER_DIFF_8(a, b) TIMER_DIFF(a, b, UINT8_MAX)
|
|
#define TIMER_DIFF_16(a, b) TIMER_DIFF(a, b, UINT16_MAX)
|
|
#define TIMER_DIFF_32(a, b) TIMER_DIFF(a, b, UINT32_MAX)
|
|
#define TIMER_DIFF_RAW(a, b) TIMER_DIFF_8(a, b)
|
|
|
|
|
|
#ifdef __cplusplus
|
|
extern "C" {
|
|
#endif
|
|
|
|
extern volatile uint32_t timer_count;
|
|
|
|
|
|
void timer_init(void);
|
|
void timer_clear(void);
|
|
uint16_t timer_read(void);
|
|
uint32_t timer_read32(void);
|
|
uint16_t timer_elapsed(uint16_t last);
|
|
uint32_t timer_elapsed32(uint32_t last);
|
|
|
|
#ifdef __cplusplus
|
|
}
|
|
#endif
|
|
|
|
#endif
|