宏定义
#define	LL_I2S_POLARITY_LOW 0x00000000U
#define	LL_I2S_POLARITY_HIGH (SPI_I2SCFGR_CKPOL)

宏定义文档

#define LL_I2S_POLARITY_HIGH (SPI_I2SCFGR_CKPOL)

时钟空闲状态为高电平

Definition at line 1530 of file stm32g4xx_ll_spi.h.

#define LL_I2S_POLARITY_LOW 0x00000000U

时钟空闲状态为低电平

Definition at line 1529 of file stm32g4xx_ll_spi.h.