tmk
10 years ago
1 changed files with 5 additions and 0 deletions
+ 5
- 0
common/timer.h
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| @@ -20,6 +20,11 @@ along with this program. If not, see <http://www.gnu.org/licenses/>. | |||
| #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) | |||