Defines
#define	__HAL_USART_RESET_HANDLE_STATE(__HANDLE__)
	Reset USART handle state.
#define	__HAL_USART_GET_FLAG(__HANDLE__, __FLAG__) (((__HANDLE__)->Instance->ISR & (__FLAG__)) == (__FLAG__))
	Check whether the specified USART flag is set or not.
#define	__HAL_USART_CLEAR_FLAG(__HANDLE__, __FLAG__) ((__HANDLE__)->Instance->ICR = (__FLAG__))
	Clear the specified USART pending flag.
#define	__HAL_USART_CLEAR_PEFLAG(__HANDLE__) __HAL_USART_CLEAR_FLAG((__HANDLE__), USART_CLEAR_PEF)
	Clear the USART PE pending flag.
#define	__HAL_USART_CLEAR_FEFLAG(__HANDLE__) __HAL_USART_CLEAR_FLAG((__HANDLE__), USART_CLEAR_FEF)
	Clear the USART FE pending flag.
#define	__HAL_USART_CLEAR_NEFLAG(__HANDLE__) __HAL_USART_CLEAR_FLAG((__HANDLE__), USART_CLEAR_NEF)
	Clear the USART NE pending flag.
#define	__HAL_USART_CLEAR_OREFLAG(__HANDLE__) __HAL_USART_CLEAR_FLAG((__HANDLE__), USART_CLEAR_OREF)
	Clear the USART ORE pending flag.
#define	__HAL_USART_CLEAR_IDLEFLAG(__HANDLE__) __HAL_USART_CLEAR_FLAG((__HANDLE__), USART_CLEAR_IDLEF)
	Clear the USART IDLE pending flag.
#define	__HAL_USART_ENABLE_IT(__HANDLE__, __INTERRUPT__)
	Enable the specified USART interrupt.
#define	__HAL_USART_DISABLE_IT(__HANDLE__, __INTERRUPT__)
	Disable the specified USART interrupt.
#define	__HAL_USART_GET_IT(__HANDLE__, __INTERRUPT__) ((((__HANDLE__)->Instance->ISR & ((uint32_t)1 << ((__INTERRUPT__)>> 0x08))) != RESET) ? SET : RESET)
	Check whether the specified USART interrupt has occurred or not.
#define	__HAL_USART_GET_IT_SOURCE(__HANDLE__, __INTERRUPT__)
	Check whether the specified USART interrupt source is enabled or not.
#define	__HAL_USART_CLEAR_IT(__HANDLE__, __IT_CLEAR__) ((__HANDLE__)->Instance->ICR = (uint32_t)(__IT_CLEAR__))
	Clear the specified USART ISR flag, in setting the proper ICR register flag.
#define	__HAL_USART_SEND_REQ(__HANDLE__, __REQ__) ((__HANDLE__)->Instance->RQR \|= (__REQ__))
	Set a specific USART request flag.
#define	__HAL_USART_ONE_BIT_SAMPLE_ENABLE(__HANDLE__) ((__HANDLE__)->Instance->CR3\|= USART_CR3_ONEBIT)
	Enable the USART one bit sample method.
#define	__HAL_USART_ONE_BIT_SAMPLE_DISABLE(__HANDLE__) ((__HANDLE__)->Instance->CR3 &= ~USART_CR3_ONEBIT)
	Disable the USART one bit sample method.
#define	__HAL_USART_ENABLE(__HANDLE__) ((__HANDLE__)->Instance->CR1 \|= USART_CR1_UE)
	Enable USART.
#define	__HAL_USART_DISABLE(__HANDLE__) ((__HANDLE__)->Instance->CR1 &= ~USART_CR1_UE)
	Disable USART.

Define Documentation

#define __HAL_USART_CLEAR_FEFLAG ( __HANDLE__ ) __HAL_USART_CLEAR_FLAG((__HANDLE__), USART_CLEAR_FEF)

Clear the USART FE pending flag.

Parameters:

__HANDLE__ specifies the USART Handle.

Return values:

None

Definition at line 549 of file stm32l4xx_hal_usart.h.

#define __HAL_USART_CLEAR_FLAG	(	__HANDLE__,
		__FLAG__
	)	((__HANDLE__)->Instance->ICR = (__FLAG__))

Clear the specified USART pending flag.

Parameters:

__HANDLE__ specifies the USART Handle.

__FLAG__

specifies the flag to check. This parameter can be any combination of the following values:

USART_CLEAR_PEF Parity Error Clear Flag
USART_CLEAR_FEF Framing Error Clear Flag
USART_CLEAR_NEF Noise detected Clear Flag
USART_CLEAR_OREF Overrun Error Clear Flag
USART_CLEAR_IDLEF IDLE line detected Clear Flag
USART_CLEAR_TXFECF TXFIFO empty clear Flag
USART_CLEAR_TCF Transmission Complete Clear Flag
USART_CLEAR_UDRF SPI slave underrun error Clear Flag

Return values:

None

Definition at line 537 of file stm32l4xx_hal_usart.h.

Referenced by HAL_USART_Abort(), HAL_USART_Abort_IT(), HAL_USART_DMAResume(), HAL_USART_Transmit(), HAL_USART_Transmit_DMA(), HAL_USART_TransmitReceive_DMA(), USART_DMARxAbortCallback(), and USART_DMATxAbortCallback().

#define __HAL_USART_CLEAR_IDLEFLAG ( __HANDLE__ ) __HAL_USART_CLEAR_FLAG((__HANDLE__), USART_CLEAR_IDLEF)

Clear the USART IDLE pending flag.

Parameters:

__HANDLE__ specifies the USART Handle.

Return values:

None

Definition at line 567 of file stm32l4xx_hal_usart.h.

#define __HAL_USART_CLEAR_IT	(	__HANDLE__,
		__IT_CLEAR__
	)	((__HANDLE__)->Instance->ICR = (uint32_t)(__IT_CLEAR__))

Clear the specified USART ISR flag, in setting the proper ICR register flag.

Parameters:

__HANDLE__ specifies the USART Handle.

__IT_CLEAR__

specifies the interrupt clear register flag that needs to be set to clear the corresponding interrupt. This parameter can be one of the following values:

USART_CLEAR_PEF Parity Error Clear Flag
USART_CLEAR_FEF Framing Error Clear Flag
USART_CLEAR_NEF Noise detected Clear Flag
USART_CLEAR_OREF Overrun Error Clear Flag
USART_CLEAR_IDLEF IDLE line detected Clear Flag
USART_CLEAR_TXFECF TXFIFO empty clear Flag
USART_CLEAR_TCF Transmission Complete Clear Flag

Return values:

None

Definition at line 691 of file stm32l4xx_hal_usart.h.

Referenced by HAL_USART_IRQHandler().

#define __HAL_USART_CLEAR_NEFLAG ( __HANDLE__ ) __HAL_USART_CLEAR_FLAG((__HANDLE__), USART_CLEAR_NEF)

Clear the USART NE pending flag.

Parameters:

__HANDLE__ specifies the USART Handle.

Return values:

None

Definition at line 555 of file stm32l4xx_hal_usart.h.

#define __HAL_USART_CLEAR_OREFLAG ( __HANDLE__ ) __HAL_USART_CLEAR_FLAG((__HANDLE__), USART_CLEAR_OREF)

Clear the USART ORE pending flag.

Parameters:

__HANDLE__ specifies the USART Handle.

Return values:

None

Definition at line 561 of file stm32l4xx_hal_usart.h.

Referenced by HAL_USART_Transmit(), and USART_EndTransmit_IT().

#define __HAL_USART_CLEAR_PEFLAG ( __HANDLE__ ) __HAL_USART_CLEAR_FLAG((__HANDLE__), USART_CLEAR_PEF)

Clear the USART PE pending flag.

Parameters:

__HANDLE__ specifies the USART Handle.

Return values:

None

Definition at line 543 of file stm32l4xx_hal_usart.h.

#define __HAL_USART_DISABLE ( __HANDLE__ ) ((__HANDLE__)->Instance->CR1 &= ~USART_CR1_UE)

Disable USART.

Parameters:

__HANDLE__ specifies the USART Handle.

Return values:

None

Definition at line 726 of file stm32l4xx_hal_usart.h.

Referenced by HAL_USART_Init().

#define __HAL_USART_DISABLE_IT	(	__HANDLE__,
		__INTERRUPT__
	)

Value:

(((((uint8_t)(__INTERRUPT__)) >> 5U) == 1)? ((__HANDLE__)->Instance->CR1 &= ~ (1U << ((__INTERRUPT__) & USART_IT_MASK))): \
                                                            ((((uint8_t)(__INTERRUPT__)) >> 5U) == 2)? ((__HANDLE__)->Instance->CR2 &= ~ (1U << ((__INTERRUPT__) & USART_IT_MASK))): \
                                                            ((__HANDLE__)->Instance->CR3 &= ~ (1U << ((__INTERRUPT__) & USART_IT_MASK))))

Disable the specified USART interrupt.

Parameters:

__HANDLE__ specifies the USART Handle.

__INTERRUPT__

specifies the USART interrupt source to disable. This parameter can be one of the following values:

USART_IT_RXFF RXFIFO Full interrupt
USART_IT_TXFE TXFIFO Empty interrupt
USART_IT_RXFT RXFIFO threshold interrupt
USART_IT_TXFT TXFIFO threshold interrupt
USART_IT_TXE Transmit Data Register empty interrupt
USART_IT_TXFNF TX FIFO not full interrupt
USART_IT_TC Transmission complete interrupt
USART_IT_RXNE Receive Data register not empty interrupt
USART_IT_RXFNE RXFIFO not empty interrupt
USART_IT_IDLE Idle line detection interrupt
USART_IT_PE Parity Error interrupt
USART_IT_ERR Error interrupt(Frame error, noise error, overrun error)

Return values:

None

Definition at line 625 of file stm32l4xx_hal_usart.h.

Referenced by USART_EndTransmit_IT(), USART_TxISR_16BIT(), and USART_TxISR_8BIT().

#define __HAL_USART_ENABLE ( __HANDLE__ ) ((__HANDLE__)->Instance->CR1 |= USART_CR1_UE)

Enable USART.

Parameters:

__HANDLE__ specifies the USART Handle.

Return values:

None

Definition at line 720 of file stm32l4xx_hal_usart.h.

Referenced by HAL_USART_Init().

#define __HAL_USART_ENABLE_IT	(	__HANDLE__,
		__INTERRUPT__
	)

Value:

(((((uint8_t)(__INTERRUPT__)) >> 5U) == 1)? ((__HANDLE__)->Instance->CR1 |= (1U << ((__INTERRUPT__) & USART_IT_MASK))): \
                                                            ((((uint8_t)(__INTERRUPT__)) >> 5U) == 2)? ((__HANDLE__)->Instance->CR2 |= (1U << ((__INTERRUPT__) & USART_IT_MASK))): \
                                                            ((__HANDLE__)->Instance->CR3 |= (1U << ((__INTERRUPT__) & USART_IT_MASK))))

Enable the specified USART interrupt.

Parameters:

__HANDLE__ specifies the USART Handle.

__INTERRUPT__

specifies the USART interrupt source to enable. This parameter can be one of the following values:

USART_IT_RXFF RXFIFO Full interrupt
USART_IT_TXFE TXFIFO Empty interrupt
USART_IT_RXFT RXFIFO threshold interrupt
USART_IT_TXFT TXFIFO threshold interrupt
USART_IT_TXE Transmit Data Register empty interrupt
USART_IT_TXFNF TX FIFO not full interrupt
USART_IT_TC Transmission complete interrupt
USART_IT_RXNE Receive Data register not empty interrupt
USART_IT_RXFNE RXFIFO not empty interrupt
USART_IT_IDLE Idle line detection interrupt
USART_IT_PE Parity Error interrupt
USART_IT_ERR Error interrupt(Frame error, noise error, overrun error)

Return values:

None

Definition at line 603 of file stm32l4xx_hal_usart.h.

Referenced by HAL_USART_Transmit_IT(), USART_DMATransmitCplt(), USART_TxISR_16BIT(), and USART_TxISR_8BIT().

#define __HAL_USART_GET_FLAG	(	__HANDLE__,
		__FLAG__
	)	(((__HANDLE__)->Instance->ISR & (__FLAG__)) == (__FLAG__))

Check whether the specified USART flag is set or not.

Parameters:

__HANDLE__ specifies the USART Handle

__FLAG__

specifies the flag to check. This parameter can be one of the following values:

USART_FLAG_TXFT TXFIFO threshold flag
USART_FLAG_RXFT RXFIFO threshold flag
USART_FLAG_RXFF RXFIFO Full flag
USART_FLAG_TXFE TXFIFO Empty flag
USART_FLAG_REACK Receive enable acknowledge flag
USART_FLAG_TEACK Transmit enable acknowledge flag
USART_FLAG_BUSY Busy flag
USART_FLAG_UDR SPI slave underrun error flag
USART_FLAG_TXE Transmit data register empty flag
USART_FLAG_TXFNF TXFIFO not full flag
USART_FLAG_TC Transmission Complete flag
USART_FLAG_RXNE Receive data register not empty flag
USART_FLAG_RXFNE RXFIFO not empty flag
USART_FLAG_IDLE Idle Line detection flag
USART_FLAG_ORE OverRun Error flag
USART_FLAG_NE Noise Error flag
USART_FLAG_FE Framing Error flag
USART_FLAG_PE Parity Error flag

Return values:

The	new state of __FLAG__ (TRUE or FALSE).

Definition at line 521 of file stm32l4xx_hal_usart.h.

Referenced by USART_WaitOnFlagUntilTimeout().

#define __HAL_USART_GET_IT	(	__HANDLE__,
		__INTERRUPT__
	)	((((__HANDLE__)->Instance->ISR & ((uint32_t)1 << ((__INTERRUPT__)>> 0x08))) != RESET) ? SET : RESET)

Check whether the specified USART interrupt has occurred or not.

Parameters:

__HANDLE__ specifies the USART Handle.

__INTERRUPT__

specifies the USART interrupt source to check. This parameter can be one of the following values:

USART_IT_RXFF RXFIFO Full interrupt
USART_IT_TXFE TXFIFO Empty interrupt
USART_IT_RXFT RXFIFO threshold interrupt
USART_IT_TXFT TXFIFO threshold interrupt
USART_IT_TXE Transmit Data Register empty interrupt
USART_IT_TXFNF TX FIFO not full interrupt
USART_IT_TC Transmission complete interrupt
USART_IT_RXNE Receive Data register not empty interrupt
USART_IT_RXFNE RXFIFO not empty interrupt
USART_IT_IDLE Idle line detection interrupt
USART_IT_ORE OverRun Error interrupt
USART_IT_NE Noise Error interrupt
USART_IT_FE Framing Error interrupt
USART_IT_PE Parity Error interrupt

Return values:

The	new state of __INTERRUPT__ (SET or RESET).

Definition at line 650 of file stm32l4xx_hal_usart.h.

#define __HAL_USART_GET_IT_SOURCE	(	__HANDLE__,
		__INTERRUPT__
	)

Value:

((((((((uint8_t)(__INTERRUPT__)) >> 0x05U) == 0x01U) ? (__HANDLE__)->Instance->CR1 : \
                                                                (((((uint8_t)(__INTERRUPT__)) >> 0x05U) == 0x02U) ? (__HANDLE__)->Instance->CR2 : \
                                                                (__HANDLE__)->Instance->CR3)) & (0x01U << (((uint16_t)(__INTERRUPT__)) & USART_IT_MASK)))  != RESET) ? SET : RESET)

Check whether the specified USART interrupt source is enabled or not.

Parameters:

__HANDLE__ specifies the USART Handle.

__INTERRUPT__

specifies the USART interrupt source to check. This parameter can be one of the following values:

USART_IT_RXFF RXFIFO Full interrupt
USART_IT_TXFE TXFIFO Empty interrupt
USART_IT_RXFT RXFIFO threshold interrupt
USART_IT_TXFT TXFIFO threshold interrupt
USART_IT_TXE Transmit Data Register empty interrupt
USART_IT_TXFNF TX FIFO not full interrupt
USART_IT_TC Transmission complete interrupt
USART_IT_RXNE Receive Data register not empty interrupt
USART_IT_RXFNE RXFIFO not empty interrupt
USART_IT_IDLE Idle line detection interrupt
USART_IT_ORE OverRun Error interrupt
USART_IT_NE Noise Error interrupt
USART_IT_FE Framing Error interrupt
USART_IT_PE Parity Error interrupt

Return values:

The	new state of __INTERRUPT__ (SET or RESET).

Definition at line 672 of file stm32l4xx_hal_usart.h.

#define __HAL_USART_ONE_BIT_SAMPLE_DISABLE ( __HANDLE__ ) ((__HANDLE__)->Instance->CR3 &= ~USART_CR3_ONEBIT)

Disable the USART one bit sample method.

Parameters:

__HANDLE__ specifies the USART Handle.

Return values:

None

Definition at line 714 of file stm32l4xx_hal_usart.h.

#define __HAL_USART_ONE_BIT_SAMPLE_ENABLE ( __HANDLE__ ) ((__HANDLE__)->Instance->CR3|= USART_CR3_ONEBIT)

Enable the USART one bit sample method.

Parameters:

__HANDLE__ specifies the USART Handle.

Return values:

None

Definition at line 708 of file stm32l4xx_hal_usart.h.

#define __HAL_USART_RESET_HANDLE_STATE ( __HANDLE__ )

Value:

do{                                            \
                                                      (__HANDLE__)->State = HAL_USART_STATE_RESET; \
                                                      (__HANDLE__)->MspInitCallback = NULL;        \
                                                      (__HANDLE__)->MspDeInitCallback = NULL;      \
                                                    } while(0U)

Reset USART handle state.

Parameters:

__HANDLE__ USART handle.

Return values:

None

Definition at line 488 of file stm32l4xx_hal_usart.h.

#define __HAL_USART_SEND_REQ	(	__HANDLE__,
		__REQ__
	)	((__HANDLE__)->Instance->RQR \|= (__REQ__))

Set a specific USART request flag.

Parameters:

__HANDLE__	specifies the USART Handle.
__REQ__	specifies the request flag to set. This parameter can be one of the following values: USART_RXDATA_FLUSH_REQUEST Receive Data flush Request USART_TXDATA_FLUSH_REQUEST Transmit data flush Request

Return values:

None

Definition at line 702 of file stm32l4xx_hal_usart.h.

Referenced by HAL_USART_Abort(), HAL_USART_Abort_IT(), HAL_USART_Receive(), HAL_USART_Transmit(), USART_EndTransmit_IT(), USART_RxISR_16BIT(), and USART_RxISR_8BIT().

Defines

Define Documentation