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feat(mcpwm): support update timer period dynamically

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Implement the requirement asked in
https://www.esp32.com/viewtopic.php?f=13&t=35919
This commit is contained in:
morris
2023-10-11 17:50:18 +08:00
parent 8c6114d0d2
commit 9b4a42e728
9 changed files with 90 additions and 33 deletions
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3
components/hal/esp32c6/include/hal/mcpwm_ll.h
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@@ -218,13 +218,12 @@ static inline void mcpwm_ll_timer_set_clock_prescale(mcpwm_dev_t *mcpwm, int tim
* @param peak Peak value
* @param symmetric True to set symmetric peak value, False to set asymmetric peak value
*/
__attribute__((always_inline))
static inline void mcpwm_ll_timer_set_peak(mcpwm_dev_t *mcpwm, int timer_id, uint32_t peak, bool symmetric)
{
if (!symmetric) { // in asymmetric mode, period = [0,peak-1]
HAL_ASSERT(peak > 0 && peak <= MCPWM_LL_MAX_COUNT_VALUE);
HAL_FORCE_MODIFY_U32_REG_FIELD(mcpwm->timer[timer_id].timer_cfg0, timer_period, peak - 1);
} else { // in symmetric mode, period = [0,peak-1] + [peak,1]
HAL_ASSERT(peak < MCPWM_LL_MAX_COUNT_VALUE);
HAL_FORCE_MODIFY_U32_REG_FIELD(mcpwm->timer[timer_id].timer_cfg0, timer_period, peak);
}
}