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Diffstat (limited to 'tmk_core/common/timer.h')
| -rw-r--r-- | tmk_core/common/timer.h | 67 |
1 files changed, 0 insertions, 67 deletions
diff --git a/tmk_core/common/timer.h b/tmk_core/common/timer.h deleted file mode 100644 index 02e39e79e7..0000000000 --- a/tmk_core/common/timer.h +++ /dev/null @@ -1,67 +0,0 @@ -/* -Copyright 2011 Jun Wako <wakojun@gmail.com> -Copyright 2021 Simon Arlott - -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/>. -*/ - -#pragma once - -#if __has_include_next("_timer.h") -# include_next "_timer.h" /* Include the platform's _timer.h */ -#endif - -#include <stdint.h> - -#define TIMER_DIFF(a, b, max) ((max == UINT8_MAX) ? ((uint8_t)((a) - (b))) : ((max == UINT16_MAX) ? ((uint16_t)((a) - (b))) : ((max == UINT32_MAX) ? ((uint32_t)((a) - (b))) : ((a) >= (b) ? (a) - (b) : (max) + 1 - (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); - -// Utility functions to check if a future time has expired & autmatically handle time wrapping if checked / reset frequently (half of max value) -#define timer_expired(current, future) ((uint16_t)(current - future) < UINT16_MAX / 2) -#define timer_expired32(current, future) ((uint32_t)(current - future) < UINT32_MAX / 2) - -// Use an appropriate timer integer size based on architecture (16-bit will overflow sooner) -#if FAST_TIMER_T_SIZE < 32 -# define TIMER_DIFF_FAST(a, b) TIMER_DIFF_16(a, b) -# define timer_expired_fast(current, future) timer_expired(current, future) -typedef uint16_t fast_timer_t; -fast_timer_t inline timer_read_fast(void) { return timer_read(); } -fast_timer_t inline timer_elapsed_fast(fast_timer_t last) { return timer_elapsed(last); } -#else -# define TIMER_DIFF_FAST(a, b) TIMER_DIFF_32(a, b) -# define timer_expired_fast(current, future) timer_expired32(current, future) -typedef uint32_t fast_timer_t; -fast_timer_t inline timer_read_fast(void) { return timer_read32(); } -fast_timer_t inline timer_elapsed_fast(fast_timer_t last) { return timer_elapsed32(last); } -#endif - -#ifdef __cplusplus -} -#endif |