HAL_TIM_Base_Start_IT(&htim1);
HAL_DMA_Start_IT(htim1.hdma[TIM_DMA_ID_UPDATE], (uint32_t)buf1, (uint32_t)buf2,20);
DMA_MEMORY_TO_MEMORY 不支持 DMA_CIRCULAR
定时器触发的dma,DMA_MEMORY_TO_PERIPH 和 DMA_MEMORY_TO_PERIPH,一次搬运数据和MemDataAlignment 有关,
HAL_TIM_Base_Start_IT(&htim1);
HAL_DMA_Start_IT(htim1.hdma[TIM_DMA_ID_UPDATE], (uint32_t)buf1, (uint32_t)buf2,20);
DMA_MEMORY_TO_MEMORY 不支持 DMA_CIRCULAR
定时器触发的dma,DMA_MEMORY_TO_PERIPH 和 DMA_MEMORY_TO_PERIPH,一次搬运数据和MemDataAlignment 有关,