diff options
Diffstat (limited to 'tmk_core/common/timer.h')
| -rw-r--r-- | tmk_core/common/timer.h | 28 |
1 files changed, 10 insertions, 18 deletions
diff --git a/tmk_core/common/timer.h b/tmk_core/common/timer.h index a8dd85663f..853cb98396 100644 --- a/tmk_core/common/timer.h +++ b/tmk_core/common/timer.h @@ -22,16 +22,14 @@ along with this program. If not, see <http://www.gnu.org/licenses/>. #include <stdbool.h> #if defined(__AVR__) -#include "avr/timer_avr.h" +# 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) - +#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" { @@ -39,23 +37,17 @@ extern "C" { extern volatile uint32_t timer_count; - -void timer_init(void); -void timer_clear(void); +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) -inline bool timer_expired(uint16_t current, uint16_t last) -{ - return current - last < 0x8000; -} +inline bool timer_expired(uint16_t current, uint16_t last) { return current - last < 0x8000; } -inline bool timer_expired32(uint32_t current, uint32_t future) { - return current - future < 0x80000000; -} +inline bool timer_expired32(uint32_t current, uint32_t future) { return current - future < 0x80000000; } #ifdef __cplusplus } |