Defines
#define	__LL_TIM_CALC_DEADTIME(__TIMCLK__, __CKD__, __DT__)
	HELPER macro calculating DTG[0:7] in the TIMx_BDTR register to achieve the requested dead time duration.
#define	__LL_TIM_CALC_PSC(__TIMCLK__, __CNTCLK__) (((__TIMCLK__) >= (__CNTCLK__)) ? (uint32_t)(((__TIMCLK__)/(__CNTCLK__)) - 1U) : 0U)
	HELPER macro calculating the prescaler value to achieve the required counter clock frequency.
#define	__LL_TIM_CALC_ARR(__TIMCLK__, __PSC__, __FREQ__) ((((__TIMCLK__)/((__PSC__) + 1U)) >= (__FREQ__)) ? (((__TIMCLK__)/((__FREQ__) * ((__PSC__) + 1U))) - 1U) : 0U)
	HELPER macro calculating the auto-reload value to achieve the required output signal frequency.
#define	__LL_TIM_CALC_DELAY(__TIMCLK__, __PSC__, __DELAY__)
	HELPER macro calculating the compare value required to achieve the required timer output compare active/inactive delay.
#define	__LL_TIM_CALC_PULSE(__TIMCLK__, __PSC__, __DELAY__, __PULSE__)
	HELPER macro calculating the auto-reload value to achieve the required pulse duration (when the timer operates in one pulse mode).
#define	__LL_TIM_GET_ICPSC_RATIO(__ICPSC__) ((uint32_t)(0x01U << (((__ICPSC__) >> 16U) >> TIM_CCMR1_IC1PSC_Pos)))
	HELPER macro retrieving the ratio of the input capture prescaler.

Define Documentation

#define __LL_TIM_CALC_ARR	(	__TIMCLK__,
		__PSC__,
		__FREQ__
	)	((((__TIMCLK__)/((__PSC__) + 1U)) >= (__FREQ__)) ? (((__TIMCLK__)/((__FREQ__) * ((__PSC__) + 1U))) - 1U) : 0U)

HELPER macro calculating the auto-reload value to achieve the required output signal frequency.

Note:: ex: __LL_TIM_CALC_ARR (1000000, LL_TIM_GetPrescaler (), 10000);

Parameters:

__TIMCLK__	timer input clock frequency (in Hz)
__PSC__	prescaler
__FREQ__	output signal frequency (in Hz)

Return values:

Auto-reload value (between Min_Data=0 and Max_Data=65535)

Definition at line 1058 of file stm32f4xx_ll_tim.h.

#define __LL_TIM_CALC_DEADTIME	(	__TIMCLK__,
		__CKD__,
		__DT__
	)

Value:

( (((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)

HELPER macro calculating DTG[0:7] in the TIMx_BDTR register to achieve the requested dead time duration.

Note:: ex: __LL_TIM_CALC_DEADTIME (80000000, LL_TIM_GetClockDivision (), 120);

Parameters:

__TIMCLK__	timer input clock frequency (in Hz)
__CKD__	This parameter can be one of the following values: LL_TIM_CLOCKDIVISION_DIV1 LL_TIM_CLOCKDIVISION_DIV2 LL_TIM_CLOCKDIVISION_DIV4
__DT__	deadtime duration (in ns)

Return values:

DTG[0:7]

Definition at line 1026 of file stm32f4xx_ll_tim.h.

#define __LL_TIM_CALC_DELAY	(	__TIMCLK__,
		__PSC__,
		__DELAY__
	)

Value:

((uint32_t)(((uint64_t)(__TIMCLK__) * (uint64_t)(__DELAY__)) \
              / ((uint64_t)1000000U * (uint64_t)((__PSC__) + 1U))))

HELPER macro calculating the compare value required to achieve the required timer output compare active/inactive delay.

Note:: ex: __LL_TIM_CALC_DELAY (1000000, LL_TIM_GetPrescaler (), 10);

Parameters:

__TIMCLK__	timer input clock frequency (in Hz)
__PSC__	prescaler
__DELAY__	timer output compare active/inactive delay (in us)

Return values:

Compare value (between Min_Data=0 and Max_Data=65535)

Definition at line 1070 of file stm32f4xx_ll_tim.h.

#define __LL_TIM_CALC_PSC	(	__TIMCLK__,
		__CNTCLK__
	)	(((__TIMCLK__) >= (__CNTCLK__)) ? (uint32_t)(((__TIMCLK__)/(__CNTCLK__)) - 1U) : 0U)

HELPER macro calculating the prescaler value to achieve the required counter clock frequency.

Note:: ex: __LL_TIM_CALC_PSC (80000000, 1000000);

Parameters:

__TIMCLK__	timer input clock frequency (in Hz)
__CNTCLK__	counter clock frequency (in Hz)

Return values:

Prescaler value (between Min_Data=0 and Max_Data=65535)

Definition at line 1047 of file stm32f4xx_ll_tim.h.

#define __LL_TIM_CALC_PULSE	(	__TIMCLK__,
		__PSC__,
		__DELAY__,
		__PULSE__
	)

Value:

((uint32_t)(__LL_TIM_CALC_DELAY((__TIMCLK__), (__PSC__), (__PULSE__)) \
              + __LL_TIM_CALC_DELAY((__TIMCLK__), (__PSC__), (__DELAY__))))

HELPER macro calculating the auto-reload value to achieve the required pulse duration (when the timer operates in one pulse mode).

Note:: ex: __LL_TIM_CALC_PULSE (1000000, LL_TIM_GetPrescaler (), 10, 20);

Parameters:

__TIMCLK__	timer input clock frequency (in Hz)
__PSC__	prescaler
__DELAY__	timer output compare active/inactive delay (in us)
__PULSE__	pulse duration (in us)

Return values:

Auto-reload value (between Min_Data=0 and Max_Data=65535)

Definition at line 1084 of file stm32f4xx_ll_tim.h.

#define __LL_TIM_GET_ICPSC_RATIO ( __ICPSC__ ) ((uint32_t)(0x01U << (((__ICPSC__) >> 16U) >> TIM_CCMR1_IC1PSC_Pos)))

HELPER macro retrieving the ratio of the input capture prescaler.

Note:: ex: __LL_TIM_GET_ICPSC_RATIO (LL_TIM_IC_GetPrescaler ());

Parameters:

__ICPSC__

This parameter can be one of the following values:

Return values:

Input capture prescaler ratio (1, 2, 4 or 8)

Definition at line 1098 of file stm32f4xx_ll_tim.h.

Defines

Define Documentation