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LL USART Generic Driver

UM1940

1274/1371

DocID028236 Rev 2

Return values

State: of bit (1 or 0).

Reference Manual to

LL API cross

reference:

CR1 RWU LL_USART_IsActiveFlag_RWU

LL_USART_ClearFlag_PE

Function name

__STATIC_INLINE void LL_USART_ClearFlag_PE

(USART_TypeDef * USARTx)

Function description

Clear Parity Error Flag.

Parameters

USARTx: USART Instance

Return values

None:

Notes

Clearing this flag is done by a read access to the

USARTx_SR register followed by a read access to the

USARTx_DR register.

Please also consider that when clearing this flag, other flags

as NE, FE, ORE, IDLE would also be cleared.

Reference Manual to

LL API cross

reference:

SR PE LL_USART_ClearFlag_PE

LL_USART_ClearFlag_FE

Function name

__STATIC_INLINE void LL_USART_ClearFlag_FE

(USART_TypeDef * USARTx)

Function description

Clear Framing Error Flag.

Parameters

USARTx: USART Instance

Return values

None:

Notes

Clearing this flag is done by a read access to the

USARTx_SR register followed by a read access to the

USARTx_DR register.

Please also consider that when clearing this flag, other flags

as PE, NE, ORE, IDLE would also be cleared.

Reference Manual to

LL API cross

reference:

SR FE LL_USART_ClearFlag_FE

LL_USART_ClearFlag_NE

Function name

__STATIC_INLINE void LL_USART_ClearFlag_NE

(USART_TypeDef * USARTx)

Function description

Clear Noise detected Flag.

Parameters

USARTx: USART Instance

Return values

None:

Notes

Clearing this flag is done by a read access to the

USARTx_SR register followed by a read access to the

Brand	ST
Model	STM32F2
Category	Microcontrollers
Language	English

ST STM32F2 User Manual

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