diff options
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 02e39e79e..000000000 --- a/tmk_core/common/timer.h +++ /dev/null | |||
| @@ -1,67 +0,0 @@ | |||
| 1 | /* | ||
| 2 | Copyright 2011 Jun Wako <wakojun@gmail.com> | ||
| 3 | Copyright 2021 Simon Arlott | ||
| 4 | |||
| 5 | This program is free software: you can redistribute it and/or modify | ||
| 6 | it under the terms of the GNU General Public License as published by | ||
| 7 | the Free Software Foundation, either version 2 of the License, or | ||
| 8 | (at your option) any later version. | ||
| 9 | |||
| 10 | This program is distributed in the hope that it will be useful, | ||
| 11 | but WITHOUT ANY WARRANTY; without even the implied warranty of | ||
| 12 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | ||
| 13 | GNU General Public License for more details. | ||
| 14 | |||
| 15 | You should have received a copy of the GNU General Public License | ||
| 16 | along with this program. If not, see <http://www.gnu.org/licenses/>. | ||
| 17 | */ | ||
| 18 | |||
| 19 | #pragma once | ||
| 20 | |||
| 21 | #if __has_include_next("_timer.h") | ||
| 22 | # include_next "_timer.h" /* Include the platform's _timer.h */ | ||
| 23 | #endif | ||
| 24 | |||
| 25 | #include <stdint.h> | ||
| 26 | |||
| 27 | #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))))) | ||
| 28 | #define TIMER_DIFF_8(a, b) TIMER_DIFF(a, b, UINT8_MAX) | ||
| 29 | #define TIMER_DIFF_16(a, b) TIMER_DIFF(a, b, UINT16_MAX) | ||
| 30 | #define TIMER_DIFF_32(a, b) TIMER_DIFF(a, b, UINT32_MAX) | ||
| 31 | #define TIMER_DIFF_RAW(a, b) TIMER_DIFF_8(a, b) | ||
| 32 | |||
| 33 | #ifdef __cplusplus | ||
| 34 | extern "C" { | ||
| 35 | #endif | ||
| 36 | |||
| 37 | extern volatile uint32_t timer_count; | ||
| 38 | |||
| 39 | void timer_init(void); | ||
| 40 | void timer_clear(void); | ||
| 41 | uint16_t timer_read(void); | ||
| 42 | uint32_t timer_read32(void); | ||
| 43 | uint16_t timer_elapsed(uint16_t last); | ||
| 44 | uint32_t timer_elapsed32(uint32_t last); | ||
| 45 | |||
| 46 | // Utility functions to check if a future time has expired & autmatically handle time wrapping if checked / reset frequently (half of max value) | ||
| 47 | #define timer_expired(current, future) ((uint16_t)(current - future) < UINT16_MAX / 2) | ||
| 48 | #define timer_expired32(current, future) ((uint32_t)(current - future) < UINT32_MAX / 2) | ||
| 49 | |||
| 50 | // Use an appropriate timer integer size based on architecture (16-bit will overflow sooner) | ||
| 51 | #if FAST_TIMER_T_SIZE < 32 | ||
| 52 | # define TIMER_DIFF_FAST(a, b) TIMER_DIFF_16(a, b) | ||
| 53 | # define timer_expired_fast(current, future) timer_expired(current, future) | ||
| 54 | typedef uint16_t fast_timer_t; | ||
| 55 | fast_timer_t inline timer_read_fast(void) { return timer_read(); } | ||
| 56 | fast_timer_t inline timer_elapsed_fast(fast_timer_t last) { return timer_elapsed(last); } | ||
| 57 | #else | ||
| 58 | # define TIMER_DIFF_FAST(a, b) TIMER_DIFF_32(a, b) | ||
| 59 | # define timer_expired_fast(current, future) timer_expired32(current, future) | ||
| 60 | typedef uint32_t fast_timer_t; | ||
| 61 | fast_timer_t inline timer_read_fast(void) { return timer_read32(); } | ||
| 62 | fast_timer_t inline timer_elapsed_fast(fast_timer_t last) { return timer_elapsed32(last); } | ||
| 63 | #endif | ||
| 64 | |||
| 65 | #ifdef __cplusplus | ||
| 66 | } | ||
| 67 | #endif | ||
