defined(UART1_RX_DMA_INSTANCE) #define UART1_DMA_RX_IRQHandler DMA2_Stream2_IRQHandler #define UART1_RX_DMA_RCC RCC_AHB1ENR_DMA2EN #define UART1_RX_DMA_INSTANCE DMA2_Stream2 #define UART1_RX_DMA_CHANNEL DMA_CHA
其它代码保持不变：void UART4_IRQHandler(void){/* USER CODE BEGIN UART4_IRQn 0 */uint32_t ...
问DMA2 (periph to memory)流2通道l6在24字节后停止工作EN1.原理: 通过定时器每隔一段时间触发一次DA...