FLAG_Management

Functions
__STATIC_INLINE uint32_t	LL_USART_IsActiveFlag_PE (USART_TypeDef *USARTx)
	Check if the USART Parity Error Flag is set or not.
__STATIC_INLINE uint32_t	LL_USART_IsActiveFlag_FE (USART_TypeDef *USARTx)
	Check if the USART Framing Error Flag is set or not.
__STATIC_INLINE uint32_t	LL_USART_IsActiveFlag_NE (USART_TypeDef *USARTx)
	Check if the USART Noise error detected Flag is set or not.
__STATIC_INLINE uint32_t	LL_USART_IsActiveFlag_ORE (USART_TypeDef *USARTx)
	Check if the USART OverRun Error Flag is set or not.
__STATIC_INLINE uint32_t	LL_USART_IsActiveFlag_IDLE (USART_TypeDef *USARTx)
	Check if the USART IDLE line detected Flag is set or not.
__STATIC_INLINE uint32_t	LL_USART_IsActiveFlag_RXNE (USART_TypeDef *USARTx)
	Check if the USART Read Data Register Not Empty Flag is set or not.
__STATIC_INLINE uint32_t	LL_USART_IsActiveFlag_TC (USART_TypeDef *USARTx)
	Check if the USART Transmission Complete Flag is set or not.
__STATIC_INLINE uint32_t	LL_USART_IsActiveFlag_TXE (USART_TypeDef *USARTx)
	Check if the USART Transmit Data Register Empty Flag is set or not.
__STATIC_INLINE uint32_t	LL_USART_IsActiveFlag_LBD (USART_TypeDef *USARTx)
	Check if the USART LIN Break Detection Flag is set or not.
__STATIC_INLINE uint32_t	LL_USART_IsActiveFlag_nCTS (USART_TypeDef *USARTx)
	Check if the USART CTS Flag is set or not.
__STATIC_INLINE uint32_t	LL_USART_IsActiveFlag_SBK (USART_TypeDef *USARTx)
	Check if the USART Send Break Flag is set or not.
__STATIC_INLINE uint32_t	LL_USART_IsActiveFlag_RWU (USART_TypeDef *USARTx)
	Check if the USART Receive Wake Up from mute mode Flag is set or not.
__STATIC_INLINE void	LL_USART_ClearFlag_PE (USART_TypeDef *USARTx)
	Clear Parity Error Flag.
__STATIC_INLINE void	LL_USART_ClearFlag_FE (USART_TypeDef *USARTx)
	Clear Framing Error Flag.
__STATIC_INLINE void	LL_USART_ClearFlag_NE (USART_TypeDef *USARTx)
	Clear Noise detected Flag.
__STATIC_INLINE void	LL_USART_ClearFlag_ORE (USART_TypeDef *USARTx)
	Clear OverRun Error Flag.
__STATIC_INLINE void	LL_USART_ClearFlag_IDLE (USART_TypeDef *USARTx)
	Clear IDLE line detected Flag.
__STATIC_INLINE void	LL_USART_ClearFlag_TC (USART_TypeDef *USARTx)
	Clear Transmission Complete Flag.
__STATIC_INLINE void	LL_USART_ClearFlag_RXNE (USART_TypeDef *USARTx)
	Clear RX Not Empty Flag.
__STATIC_INLINE void	LL_USART_ClearFlag_LBD (USART_TypeDef *USARTx)
	Clear LIN Break Detection Flag.
__STATIC_INLINE void	LL_USART_ClearFlag_nCTS (USART_TypeDef *USARTx)
	Clear CTS Interrupt Flag.

---

Function Documentation

__STATIC_INLINE void LL_USART_ClearFlag_FE

(

USART_TypeDef *

USARTx

)

Clear Framing Error Flag.

Note:

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

Parameters:

USARTx

USART Instance

Return values:

None

Definition at line 1911 of file stm32f4xx_ll_usart.h.

__STATIC_INLINE void LL_USART_ClearFlag_IDLE

(

USART_TypeDef *

USARTx

)

Clear IDLE line detected Flag.

Note:

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, FE, ORE would also be cleared.

Reference Manual to LL API cross reference:

SR IDLE LL_USART_ClearFlag_IDLE

Parameters:

USARTx

USART Instance

Return values:

None

Definition at line 1968 of file stm32f4xx_ll_usart.h.

__STATIC_INLINE void LL_USART_ClearFlag_LBD

(

USART_TypeDef *

USARTx

)

Clear LIN Break Detection Flag.

Note:

Macro IS_UART_LIN_INSTANCE(USARTx) can be used to check whether or not LIN feature is supported by the USARTx instance.

Reference Manual to LL API cross reference:

SR LBD LL_USART_ClearFlag_LBD

Parameters:

USARTx

USART Instance

Return values:

None

Definition at line 2007 of file stm32f4xx_ll_usart.h.

__STATIC_INLINE void LL_USART_ClearFlag_nCTS

(

USART_TypeDef *

USARTx

)

Clear CTS Interrupt Flag.

Note:

Macro IS_UART_HWFLOW_INSTANCE(USARTx) can be used to check whether or not Hardware Flow control feature is supported by the USARTx instance.

Reference Manual to LL API cross reference:

SR CTS LL_USART_ClearFlag_nCTS

Parameters:

USARTx

USART Instance

Return values:

None

Definition at line 2020 of file stm32f4xx_ll_usart.h.

__STATIC_INLINE void LL_USART_ClearFlag_NE

(

USART_TypeDef *

USARTx

)

Clear Noise detected Flag.

Note:

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, FE, ORE, IDLE would also be cleared.

Reference Manual to LL API cross reference:

SR NF LL_USART_ClearFlag_NE

Parameters:

USARTx

USART Instance

Return values:

None

Definition at line 1930 of file stm32f4xx_ll_usart.h.

__STATIC_INLINE void LL_USART_ClearFlag_ORE

(

USART_TypeDef *

USARTx

)

Clear OverRun Error Flag.

Note:

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, FE, IDLE would also be cleared.

Reference Manual to LL API cross reference:

SR ORE LL_USART_ClearFlag_ORE

Parameters:

USARTx

USART Instance

Return values:

None

Definition at line 1949 of file stm32f4xx_ll_usart.h.

__STATIC_INLINE void LL_USART_ClearFlag_PE

(

USART_TypeDef *

USARTx

)

Clear Parity Error Flag.

Note:

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

Parameters:

USARTx

USART Instance

Return values:

None

Definition at line 1892 of file stm32f4xx_ll_usart.h.

__STATIC_INLINE void LL_USART_ClearFlag_RXNE

(

USART_TypeDef *

USARTx

)

Clear RX Not Empty Flag.

Reference Manual to LL API cross reference:

SR RXNE LL_USART_ClearFlag_RXNE

Parameters:

USARTx

USART Instance

Return values:

None

Definition at line 1994 of file stm32f4xx_ll_usart.h.

__STATIC_INLINE void LL_USART_ClearFlag_TC

(

USART_TypeDef *

USARTx

)

Clear Transmission Complete Flag.

Reference Manual to LL API cross reference:

SR TC LL_USART_ClearFlag_TC

Parameters:

USARTx

USART Instance

Return values:

None

Definition at line 1983 of file stm32f4xx_ll_usart.h.

__STATIC_INLINE uint32_t LL_USART_IsActiveFlag_FE

(

USART_TypeDef *

USARTx

)

Check if the USART Framing Error Flag is set or not.

Reference Manual to LL API cross reference:

SR FE LL_USART_IsActiveFlag_FE

Parameters:

USARTx

USART Instance

Return values:

State

of bit (1 or 0).

Definition at line 1763 of file stm32f4xx_ll_usart.h.

__STATIC_INLINE uint32_t LL_USART_IsActiveFlag_IDLE

(

USART_TypeDef *

USARTx

)

Check if the USART IDLE line detected Flag is set or not.

Reference Manual to LL API cross reference:

SR IDLE LL_USART_IsActiveFlag_IDLE

Parameters:

USARTx

USART Instance

Return values:

State

of bit (1 or 0).

Definition at line 1796 of file stm32f4xx_ll_usart.h.

__STATIC_INLINE uint32_t LL_USART_IsActiveFlag_LBD

(

USART_TypeDef *

USARTx

)

Check if the USART LIN Break Detection Flag is set or not.

Note:

Macro IS_UART_LIN_INSTANCE(USARTx) can be used to check whether or not LIN feature is supported by the USARTx instance.

Reference Manual to LL API cross reference:

SR LBD LL_USART_IsActiveFlag_LBD

Parameters:

USARTx

USART Instance

Return values:

State

of bit (1 or 0).

Definition at line 1842 of file stm32f4xx_ll_usart.h.

__STATIC_INLINE uint32_t LL_USART_IsActiveFlag_nCTS

(

USART_TypeDef *

USARTx

)

Check if the USART CTS Flag is set or not.

Note:

Macro IS_UART_HWFLOW_INSTANCE(USARTx) can be used to check whether or not Hardware Flow control feature is supported by the USARTx instance.

Reference Manual to LL API cross reference:

SR CTS LL_USART_IsActiveFlag_nCTS

Parameters:

USARTx

USART Instance

Return values:

State

of bit (1 or 0).

Definition at line 1855 of file stm32f4xx_ll_usart.h.

__STATIC_INLINE uint32_t LL_USART_IsActiveFlag_NE

(

USART_TypeDef *

USARTx

)

Check if the USART Noise error detected Flag is set or not.

Reference Manual to LL API cross reference:

SR NF LL_USART_IsActiveFlag_NE

Parameters:

USARTx

USART Instance

Return values:

State

of bit (1 or 0).

Definition at line 1774 of file stm32f4xx_ll_usart.h.

__STATIC_INLINE uint32_t LL_USART_IsActiveFlag_ORE

(

USART_TypeDef *

USARTx

)

Check if the USART OverRun Error Flag is set or not.

Reference Manual to LL API cross reference:

SR ORE LL_USART_IsActiveFlag_ORE

Parameters:

USARTx

USART Instance

Return values:

State

of bit (1 or 0).

Definition at line 1785 of file stm32f4xx_ll_usart.h.

__STATIC_INLINE uint32_t LL_USART_IsActiveFlag_PE

(

USART_TypeDef *

USARTx

)

Check if the USART Parity Error Flag is set or not.

Reference Manual to LL API cross reference:

SR PE LL_USART_IsActiveFlag_PE

Parameters:

USARTx

USART Instance

Return values:

State

of bit (1 or 0).

Definition at line 1752 of file stm32f4xx_ll_usart.h.

__STATIC_INLINE uint32_t LL_USART_IsActiveFlag_RWU

(

USART_TypeDef *

USARTx

)

Check if the USART Receive Wake Up from mute mode Flag is set or not.

Reference Manual to LL API cross reference:

CR1 RWU LL_USART_IsActiveFlag_RWU

Parameters:

USARTx

USART Instance

Return values:

State

of bit (1 or 0).

Definition at line 1877 of file stm32f4xx_ll_usart.h.

__STATIC_INLINE uint32_t LL_USART_IsActiveFlag_RXNE

(

USART_TypeDef *

USARTx

)

Check if the USART Read Data Register Not Empty Flag is set or not.

Reference Manual to LL API cross reference:

SR RXNE LL_USART_IsActiveFlag_RXNE

Parameters:

USARTx

USART Instance

Return values:

State

of bit (1 or 0).

Definition at line 1807 of file stm32f4xx_ll_usart.h.

__STATIC_INLINE uint32_t LL_USART_IsActiveFlag_SBK

(

USART_TypeDef *

USARTx

)

Check if the USART Send Break Flag is set or not.

Reference Manual to LL API cross reference:

CR1 SBK LL_USART_IsActiveFlag_SBK

Parameters:

USARTx

USART Instance

Return values:

State

of bit (1 or 0).

Definition at line 1866 of file stm32f4xx_ll_usart.h.

__STATIC_INLINE uint32_t LL_USART_IsActiveFlag_TC

(

USART_TypeDef *

USARTx

)

Check if the USART Transmission Complete Flag is set or not.

Reference Manual to LL API cross reference:

SR TC LL_USART_IsActiveFlag_TC

Parameters:

USARTx

USART Instance

Return values:

State

of bit (1 or 0).

Definition at line 1818 of file stm32f4xx_ll_usart.h.

__STATIC_INLINE uint32_t LL_USART_IsActiveFlag_TXE

(

USART_TypeDef *

USARTx

)

Check if the USART Transmit Data Register Empty Flag is set or not.

Reference Manual to LL API cross reference:

SR TXE LL_USART_IsActiveFlag_TXE

Parameters:

USARTx

USART Instance

Return values:

State

of bit (1 or 0).

Definition at line 1829 of file stm32f4xx_ll_usart.h.