定义
#define	UART_GETCLOCKSOURCE(__HANDLE__, __CLOCKSOURCE__)
	报告UART时钟源。
#define	UART_MASK_COMPUTATION(__HANDLE__)
	报告根据字长和奇偶校验位激活情况应用于检索接收数据的UART掩码。
#define	IS_UART_WORD_LENGTH(__LENGTH__)
	确保UART帧长度有效。
#define	IS_UART_ADDRESSLENGTH_DETECT(__ADDRESS__)
	确保UART唤醒地址长度有效。
#define	IS_UART_TXFIFO_THRESHOLD(__THRESHOLD__)
	确保UART TXFIFO阈值电平有效。
#define	IS_UART_RXFIFO_THRESHOLD(__THRESHOLD__)
	确保UART RXFIFO阈值电平有效。

定义文档

#define IS_UART_ADDRESSLENGTH_DETECT ( __ADDRESS__ )

Value:

(((__ADDRESS__) == UART_ADDRESS_DETECT_4B) || \
                                                   ((__ADDRESS__) == UART_ADDRESS_DETECT_7B))

确保UART唤醒地址长度有效。

Parameters:

__ADDRESS__ UART唤醒地址长度。

Return values:

SET	（__ADDRESS__有效）或 RESET（__ADDRESS__无效）

Definition at line 883 of file stm32g4xx_hal_uart_ex.h.

Referenced by HAL_MultiProcessorEx_AddressLength_Set(), and UARTEx_Wakeup_AddressConfig().

#define IS_UART_RXFIFO_THRESHOLD ( __THRESHOLD__ )

Value:

(((__THRESHOLD__) == UART_RXFIFO_THRESHOLD_1_8) || \
                                                 ((__THRESHOLD__) == UART_RXFIFO_THRESHOLD_1_4) || \
                                                 ((__THRESHOLD__) == UART_RXFIFO_THRESHOLD_1_2) || \
                                                 ((__THRESHOLD__) == UART_RXFIFO_THRESHOLD_3_4) || \
                                                 ((__THRESHOLD__) == UART_RXFIFO_THRESHOLD_7_8) || \
                                                 ((__THRESHOLD__) == UART_RXFIFO_THRESHOLD_8_8))

确保UART RXFIFO阈值电平有效。

Parameters:

__THRESHOLD__ UART RXFIFO阈值电平。

Return values:

SET	（__THRESHOLD__有效）或 RESET（__THRESHOLD__无效）

Definition at line 903 of file stm32g4xx_hal_uart_ex.h.

Referenced by HAL_UARTEx_SetRxFifoThreshold().

#define IS_UART_TXFIFO_THRESHOLD ( __THRESHOLD__ )

Value:

(((__THRESHOLD__) == UART_TXFIFO_THRESHOLD_1_8) || \
                                                 ((__THRESHOLD__) == UART_TXFIFO_THRESHOLD_1_4) || \
                                                 ((__THRESHOLD__) == UART_TXFIFO_THRESHOLD_1_2) || \
                                                 ((__THRESHOLD__) == UART_TXFIFO_THRESHOLD_3_4) || \
                                                 ((__THRESHOLD__) == UART_TXFIFO_THRESHOLD_7_8) || \
                                                 ((__THRESHOLD__) == UART_TXFIFO_THRESHOLD_8_8))

确保UART TXFIFO阈值电平有效。

Parameters:

__THRESHOLD__ UART TXFIFO阈值电平。

Return values:

SET	（__THRESHOLD__有效）或 RESET（__THRESHOLD__无效）

Definition at line 891 of file stm32g4xx_hal_uart_ex.h.

Referenced by HAL_UARTEx_SetTxFifoThreshold().

#define IS_UART_WORD_LENGTH ( __LENGTH__ )

Value:

(((__LENGTH__) == UART_WORDLENGTH_7B) || \
                                         ((__LENGTH__) == UART_WORDLENGTH_8B) || \
                                         ((__LENGTH__) == UART_WORDLENGTH_9B))

确保UART帧长度有效。

Parameters:

__LENGTH__ UART帧长度。

Return values:

SET	（__LENGTH__有效）或 RESET（__LENGTH__无效）

Definition at line 874 of file stm32g4xx_hal_uart_ex.h.

Referenced by UART_SetConfig().

#define UART_GETCLOCKSOURCE	(	__HANDLE__,
		__CLOCKSOURCE__
	)

报告UART时钟源。

Parameters:

__HANDLE__	指定UART句柄。
__CLOCKSOURCE__	输出变量。

Return values:

UART	时钟源，写入__CLOCKSOURCE__。

Definition at line 203 of file stm32g4xx_hal_uart_ex.h.

Referenced by UART_SetConfig().

#define UART_MASK_COMPUTATION ( __HANDLE__ )

报告根据字长和奇偶校验位激活情况应用于检索接收数据的UART掩码。

Note:: 如果PCE = 1，则奇偶校验位不包含在接收API（）提取的数据中。此掩码操作在DMA传输中不执行。

Parameters:

__HANDLE__ 指定UART句柄。

Return values:

None,the 要应用于UART RDR寄存器的掩码存储在(__HANDLE__)->Mask字段中。

Definition at line 828 of file stm32g4xx_hal_uart_ex.h.

Referenced by HAL_UART_Receive(), HAL_UARTEx_ReceiveToIdle(), and UART_Start_Receive_IT().