ST STM32F2

LL USART Generic Driver
UM1940
1250/1371
DocID028236 Rev 2
Notes
Macro IS_USART_INSTANCE(USARTx) can be used to
check whether or not Synchronous mode is supported by the
USARTx instance.
Reference Manual to
LL API cross
reference:
CR2 CPHA LL_USART_GetClockPhase
LL_USART_SetClockPolarity
Function name
__STATIC_INLINE void LL_USART_SetClockPolarity
(USART_TypeDef * USARTx, uint32_t ClockPolarity)
Function description
Select the polarity of the clock output on the SCLK pin in
synchronous mode.
Parameters
USARTx: USART Instance
ClockPolarity: This parameter can be one of the following
values:
LL_USART_POLARITY_LOW
LL_USART_POLARITY_HIGH
Return values
None:
Notes
Macro IS_USART_INSTANCE(USARTx) can be used to
check whether or not Synchronous mode is supported by the
USARTx instance.
Reference Manual to
LL API cross
reference:
CR2 CPOL LL_USART_SetClockPolarity
LL_USART_GetClockPolarity
Function name
__STATIC_INLINE uint32_t LL_USART_GetClockPolarity
(USART_TypeDef * USARTx)
Function description
Return polarity of the clock output on the SCLK pin in synchronous
mode.
Parameters
USARTx: USART Instance
Return values
Returned: value can be one of the following values:
LL_USART_POLARITY_LOW
LL_USART_POLARITY_HIGH
Notes
Macro IS_USART_INSTANCE(USARTx) can be used to
check whether or not Synchronous mode is supported by the
USARTx instance.
Reference Manual to
LL API cross
reference:
CR2 CPOL LL_USART_GetClockPolarity
LL_USART_ConfigClock
Function name
__STATIC_INLINE void LL_USART_ConfigClock
(USART_TypeDef * USARTx, uint32_t Phase, uint32_t Polarity,
uint32_t LBCPOutput)