UART TXFIFO threshold level. More...

Defines
#define	UART_TXFIFO_THRESHOLD_1_8 0x00000000U
#define	UART_TXFIFO_THRESHOLD_1_4 USART_CR3_TXFTCFG_0
#define	UART_TXFIFO_THRESHOLD_1_2 USART_CR3_TXFTCFG_1
#define	UART_TXFIFO_THRESHOLD_3_4 (USART_CR3_TXFTCFG_0\|USART_CR3_TXFTCFG_1)
#define	UART_TXFIFO_THRESHOLD_7_8 USART_CR3_TXFTCFG_2
#define	UART_TXFIFO_THRESHOLD_8_8 (USART_CR3_TXFTCFG_2\|USART_CR3_TXFTCFG_0)

Detailed Description

UART TXFIFO threshold level.

Define Documentation

#define UART_TXFIFO_THRESHOLD_1_2 USART_CR3_TXFTCFG_1

TX FIFO reaches 1/2 of its depth

Definition at line 103 of file stm32h7xx_hal_uart_ex.h.

#define UART_TXFIFO_THRESHOLD_1_4 USART_CR3_TXFTCFG_0

TX FIFO reaches 1/4 of its depth

Definition at line 102 of file stm32h7xx_hal_uart_ex.h.

TX FIFO reaches 1/8 of its depth

Definition at line 101 of file stm32h7xx_hal_uart_ex.h.

#define UART_TXFIFO_THRESHOLD_3_4 (USART_CR3_TXFTCFG_0|USART_CR3_TXFTCFG_1)

TX FIFO reaches 3/4 of its depth

Definition at line 104 of file stm32h7xx_hal_uart_ex.h.

#define UART_TXFIFO_THRESHOLD_7_8 USART_CR3_TXFTCFG_2

TX FIFO reaches 7/8 of its depth

Definition at line 105 of file stm32h7xx_hal_uart_ex.h.

#define UART_TXFIFO_THRESHOLD_8_8 (USART_CR3_TXFTCFG_2|USART_CR3_TXFTCFG_0)

TX FIFO becomes empty

Definition at line 106 of file stm32h7xx_hal_uart_ex.h.