diff options
Diffstat (limited to 'src')
| -rw-r--r-- | src/clock.c | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/src/clock.c b/src/clock.c index 9fd276cf6f..778126fb23 100644 --- a/src/clock.c +++ b/src/clock.c @@ -13,6 +13,7 @@ * 2010-07-13 Bernard fix rt_tick_from_millisecond issue found by kuronca * 2011-06-26 Bernard add rt_tick_set function. * 2018-11-22 Jesven add per cpu tick + * 2020-12-29 Meco Man add function rt_hw_1ms_tick_get() */ #include <rthw.h> @@ -116,5 +117,21 @@ rt_tick_t rt_tick_from_millisecond(rt_int32_t ms) } RTM_EXPORT(rt_tick_from_millisecond); +/** + * This function provides a tick value ALWAYS in millisecond + * + * @return 1ms-based tick + */ +RT_WEAK rt_tick_t rt_hw_1ms_tick_get(void) +{ +#if 1000 % RT_TICK_PER_SECOND == 0 + return rt_tick_get() * (1000U / RT_TICK_PER_SECOND); +#else + #warning "rt-thread cannot provide a correct 1ms-based tick any longer,\ + please redefine this function in another file by using a high-precision hard-timer." + return 0; +#endif +} + /**@}*/ |