USART TXFIFO level. More...

Macros
#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.

Macro Definition Documentation

#define USART_TXFIFO_THRESHOLD_1_2 USART_CR3_TXFTCFG_1

TXFIFO reaches 1/2 of its depth

#define USART_TXFIFO_THRESHOLD_1_4 USART_CR3_TXFTCFG_0

TXFIFO reaches 1/4 of its depth

#define USART_TXFIFO_THRESHOLD_1_8 0x00000000U

TXFIFO reaches 1/8 of its depth

#define USART_TXFIFO_THRESHOLD_3_4 (USART_CR3_TXFTCFG_0|USART_CR3_TXFTCFG_1)

TXFIFO reaches 3/4 of its depth

#define USART_TXFIFO_THRESHOLD_7_8 USART_CR3_TXFTCFG_2

TXFIFO reaches 7/8 of its depth

#define USART_TXFIFO_THRESHOLD_8_8 (USART_CR3_TXFTCFG_2|USART_CR3_TXFTCFG_0)

TXFIFO becomes empty