USARTEx Slave Select Management

Macros
#define	USART_NSS_HARD   0x00000000U
#define	USART_NSS_SOFT   USART_CR2_DIS_NSS

Detailed Description

Macro Definition Documentation

USART_NSS_HARD

#define USART_NSS_HARD   0x00000000U

SPI slave selection depends on NSS input pin

USART_NSS_SOFT

#define USART_NSS_SOFT   USART_CR2_DIS_NSS

SPI slave is always selected and NSS input pin is ignored