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Adjust up_timer_getmask to handle 16-bit timers correctly.

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This commit is contained in:
Anthony Merlino 2021-05-15 17:14:27 -04:00 committed by Xiang Xiao
parent 30f6dbc613
commit c3745c8441
1 changed files with 5 additions and 14 deletions
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19
arch/arm/src/stm32h7/stm32_tickless.c
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@ -117,9 +117,6 @@ struct stm32_tickless_s
uint8_t channel; /* The timer channel to use for intervals */
FAR struct stm32_tim_dev_s *tch; /* Handle returned by stm32_tim_init() */
uint32_t frequency;
#ifdef CONFIG_CLOCK_TIMEKEEPING
uint64_t counter_mask;
#endif
uint32_t overflow; /* Timer counter overflow */
volatile bool pending; /* True: pending task */
uint32_t period; /* Interval period */
@ -555,13 +552,6 @@ void up_timer_initialize(void)
STM32_TIM_SETCLOCK(g_tickless.tch, g_tickless.frequency);
#ifdef CONFIG_CLOCK_TIMEKEEPING
/* Should this be changed to 0xffff because we use 16 bit timers? */
g_tickless.counter_mask = 0xffffffffull;
#endif
/* Set up to receive the callback when the counter overflow occurs */
STM32_TIM_SETISR(g_tickless.tch, stm32_tickless_handler, NULL, 0);
@ -761,10 +751,11 @@ int up_timer_getcounter(FAR uint64_t *cycles)
void up_timer_getmask(FAR uint64_t *mask)
{
DEBUGASSERT(mask != NULL);
/* Should this be changed to 0xffff because we use 16 bit timers? */
*mask = 0xffffffffull;
#ifdef HAVE_32BIT_TICKLESS
*mask = UINT32_MAX;
#else
*mask = UINT16_MAX;
#endif
}
#endif /* CONFIG_CLOCK_TIMEKEEPING */