diff options
Diffstat (limited to 'src/clock.c')
| -rw-r--r-- | src/clock.c | 28 |
1 files changed, 17 insertions, 11 deletions
diff --git a/src/clock.c b/src/clock.c index a91cd829b6..66923e5c00 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_tick_get_millisecond() */ #include <rthw.h> @@ -25,17 +26,6 @@ static rt_tick_t rt_tick = 0; #endif /** - * This function will initialize system tick and set it to zero. - * @ingroup SystemInit - * - * @deprecated since 1.1.0, this function does not need to be invoked - * in the system initialization. - */ -void rt_system_tick_init(void) -{ -} - -/** * @addtogroup Clock */ @@ -127,5 +117,21 @@ rt_tick_t rt_tick_from_millisecond(rt_int32_t ms) } RTM_EXPORT(rt_tick_from_millisecond); +/** + * This function will provide the passed millisecond from boot. + * + * @return passed millisecond from boot + */ +RT_WEAK rt_tick_t rt_tick_get_millisecond(void) +{ +#if 1000 % RT_TICK_PER_SECOND == 0u + 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 +} + /**@}*/ |