UARTEx RXFIFO 阈值电平

UART RXFIFO 阈值电平。 更多...

宏定义
#define	UART_RXFIFO_THRESHOLD_1_8   0x00000000U
#define	UART_RXFIFO_THRESHOLD_1_4   USART_CR3_RXFTCFG_0
#define	UART_RXFIFO_THRESHOLD_1_2   USART_CR3_RXFTCFG_1
#define	UART_RXFIFO_THRESHOLD_3_4   (USART_CR3_RXFTCFG_0|USART_CR3_RXFTCFG_1)
#define	UART_RXFIFO_THRESHOLD_7_8   USART_CR3_RXFTCFG_2
#define	UART_RXFIFO_THRESHOLD_8_8   (USART_CR3_RXFTCFG_2|USART_CR3_RXFTCFG_0)

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详细描述

UART RXFIFO 阈值电平。

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宏定义说明

#define UART_RXFIFO_THRESHOLD_1_2   USART_CR3_RXFTCFG_1

RX FIFO 达到其深度的 1/2

Definition at line 117 of file stm32g4xx_hal_uart_ex.h.

#define UART_RXFIFO_THRESHOLD_1_4   USART_CR3_RXFTCFG_0

RX FIFO 达到其深度的 1/4

Definition at line 116 of file stm32g4xx_hal_uart_ex.h.

#define UART_RXFIFO_THRESHOLD_1_8   0x00000000U

RX FIFO 达到其深度的 1/8

Definition at line 115 of file stm32g4xx_hal_uart_ex.h.

#define UART_RXFIFO_THRESHOLD_3_4   (USART_CR3_RXFTCFG_0|USART_CR3_RXFTCFG_1)

RX FIFO 达到其深度的 3/4

Definition at line 118 of file stm32g4xx_hal_uart_ex.h.

#define UART_RXFIFO_THRESHOLD_7_8   USART_CR3_RXFTCFG_2

RX FIFO 达到其深度的 7/8

Definition at line 119 of file stm32g4xx_hal_uart_ex.h.

#define UART_RXFIFO_THRESHOLD_8_8   (USART_CR3_RXFTCFG_2|USART_CR3_RXFTCFG_0)

RX FIFO 满

Definition at line 120 of file stm32g4xx_hal_uart_ex.h.