DMAMUX 同步极性选择

宏定义
#define	HAL_DMAMUX_SYNC_NO_EVENT   0U
#define	HAL_DMAMUX_SYNC_RISING   ((uint32_t)DMAMUX_CxCR_SPOL_0)
#define	HAL_DMAMUX_SYNC_FALLING   ((uint32_t)DMAMUX_CxCR_SPOL_1)
#define	HAL_DMAMUX_SYNC_RISING_FALLING   ((uint32_t)DMAMUX_CxCR_SPOL)

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宏定义说明

#define HAL_DMAMUX_SYNC_FALLING   ((uint32_t)DMAMUX_CxCR_SPOL_1)

与下降沿事件同步

Definition at line 132 of file stm32g4xx_hal_dma_ex.h.

#define HAL_DMAMUX_SYNC_NO_EVENT   0U

阻止同步事件

Definition at line 130 of file stm32g4xx_hal_dma_ex.h.

#define HAL_DMAMUX_SYNC_RISING   ((uint32_t)DMAMUX_CxCR_SPOL_0)

与上升沿事件同步

Definition at line 131 of file stm32g4xx_hal_dma_ex.h.

#define HAL_DMAMUX_SYNC_RISING_FALLING   ((uint32_t)DMAMUX_CxCR_SPOL)

与上升沿和下降沿事件同步

Definition at line 133 of file stm32g4xx_hal_dma_ex.h.