USART TXFIFO level. More...

Defines
#define	USART_TXFIFO_THRESHOLD_1_8 0x00000000U
#define	USART_TXFIFO_THRESHOLD_1_4 USART_CR3_TXFTCFG_0
#define	USART_TXFIFO_THRESHOLD_1_2 USART_CR3_TXFTCFG_1
#define	USART_TXFIFO_THRESHOLD_3_4 (USART_CR3_TXFTCFG_0\|USART_CR3_TXFTCFG_1)
#define	USART_TXFIFO_THRESHOLD_7_8 USART_CR3_TXFTCFG_2
#define	USART_TXFIFO_THRESHOLD_8_8 (USART_CR3_TXFTCFG_2\|USART_CR3_TXFTCFG_0)

Detailed Description

USART TXFIFO level.

Define Documentation

#define USART_TXFIFO_THRESHOLD_1_2 USART_CR3_TXFTCFG_1

TXFIFO reaches 1/2 of its depth

Definition at line 90 of file stm32h7xx_hal_usart_ex.h.

#define USART_TXFIFO_THRESHOLD_1_4 USART_CR3_TXFTCFG_0

TXFIFO reaches 1/4 of its depth

Definition at line 89 of file stm32h7xx_hal_usart_ex.h.

TXFIFO reaches 1/8 of its depth

Definition at line 88 of file stm32h7xx_hal_usart_ex.h.

#define USART_TXFIFO_THRESHOLD_3_4 (USART_CR3_TXFTCFG_0|USART_CR3_TXFTCFG_1)

TXFIFO reaches 3/4 of its depth

Definition at line 91 of file stm32h7xx_hal_usart_ex.h.

#define USART_TXFIFO_THRESHOLD_7_8 USART_CR3_TXFTCFG_2

TXFIFO reaches 7/8 of its depth

Definition at line 92 of file stm32h7xx_hal_usart_ex.h.

#define USART_TXFIFO_THRESHOLD_8_8 (USART_CR3_TXFTCFG_2|USART_CR3_TXFTCFG_0)

TXFIFO becomes empty

Definition at line 93 of file stm32h7xx_hal_usart_ex.h.