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__LL_TIM_CALC_DEADTIME macro
HELPER macro calculating DTG[0:7] in the TIMx_BDTR register to achieve the requested dead time duration.
Syntax
#define __LL_TIM_CALC_DEADTIME(__TIMCLK__, __CKD__, __DT__) \
( (((uint64_t)((__DT__)*1000U)) < ((DT_DELAY_1+1U) * TIM_CALC_DTS((__TIMCLK__), (__CKD__)))) ? \
(uint8_t)(((uint64_t)((__DT__)*1000U) / TIM_CALC_DTS((__TIMCLK__), (__CKD__))) & DT_DELAY_1) : \
(((uint64_t)((__DT__)*1000U)) < ((64U + (DT_DELAY_2+1U)) * 2U * TIM_CALC_DTS((__TIMCLK__), (__CKD__)))) ? \
(uint8_t)(DT_RANGE_2 | ((uint8_t)((uint8_t)((((uint64_t)((__DT__)*1000U))/ TIM_CALC_DTS((__TIMCLK__), \
(__CKD__))) >> 1U) - (uint8_t) 64) & DT_DELAY_2)) :\
(((uint64_t)((__DT__)*1000U)) < ((32U + (DT_DELAY_3+1U)) * 8U * TIM_CALC_DTS((__TIMCLK__), (__CKD__)))) ? \
(uint8_t)(DT_RANGE_3 | ((uint8_t)((uint8_t)(((((uint64_t)(__DT__)*1000U))/ TIM_CALC_DTS((__TIMCLK__), \
(__CKD__))) >> 3U) - (uint8_t) 32) & DT_DELAY_3)) :\
(((uint64_t)((__DT__)*1000U)) < ((32U + (DT_DELAY_4+1U)) * 16U * TIM_CALC_DTS((__TIMCLK__), (__CKD__)))) ? \
(uint8_t)(DT_RANGE_4 | ((uint8_t)((uint8_t)(((((uint64_t)(__DT__)*1000U))/ TIM_CALC_DTS((__TIMCLK__), \
(__CKD__))) >> 4U) - (uint8_t) 32) & DT_DELAY_4)) :\
0U)
Arguments
Argument
Description
__TIMCLK__
timer input clock frequency (in Hz)
__CKD__
This parameter can be one of the following values: @arg ![]()
LL_TIM_CLOCKDIVISION_DIV1
@arg ![]()
LL_TIM_CLOCKDIVISION_DIV2
@arg ![]()
LL_TIM_CLOCKDIVISION_DIV4
__DT__
deadtime duration (in ns)
Return value
DTG[0:7]
Notes
ex: ![]()
__LL_TIM_CALC_DEADTIME
(80000000, LL_TIM_GetClockDivision (), 120);