- 如果将DMA_PeripheralBurst_Single改为DMA_PeripheralBurst_INC4，意味着DMA外设传输期间将使用4个传输...
DMA_PeripheralBurst = DMA_PeripheralBurst_Single;//外设突发模式选择,可选单次模式、 4 节拍的增量突发模式、 8 节拍的增量突发模式或 16 节拍的增量突发模式。 DMA_Init(DMA2_Stream2, &DMA_InitStructure); /* DMA Stream enable */ DMA_Cmd(DMA2_Stream2, ENABLE); } 除了配置DMA外设外,我们还需要...
dma.DMA_PeripheralBurst = DMA_PeripheralBurst_Single; DMA_Init(DMA2_Stream2,&dma);nvic.NVIC_IRQChannel = DMA2_Stream2_IRQn; nvic.NVIC_IRQChannelPreemptionPriority = 1; nvic.NVIC_IRQChannelSubPriority = 1; nvic.NVIC_IRQChannelCmd = ENABLE; ...
DMA_InitStructure.DMA_PeripheralBurst = DMA_PeripheralBurst_Single;DMA_InitStructure.DMA_Peripheral...
DMA_PeripheralBurst = DMA_PeripheralBurst_Single; /* DMA初始化 */ DMA_Init(DEBUG_DCMI_DMA_STREAM, &DMA_InitStructure); DMA_Cmd(DEBUG_DCMI_DMA_STREAM,ENABLE); while(DMA_GetCmdStatus(DEBUG_DCMI_DMA_STREAM) != ENABLE) { } } ADC DMA传输应用 这里应用了“外设”到“存储器”的方式,因为ADC...
DMA_InitStructure.DMA_FIFOThreshold=DMA_FIFOThreshold_HalfFull; DMA_InitStructure.DMA_MemoryBurst=DMA_MemoryBurst_Single; DMA_InitStructure.DMA_PeripheralBurst=DMA_PeripheralBurst_Single; DMA_Init(DMA2_Stream4,&DMA_InitStructure); DMA_Cmd(DMA2_Stream4, ENABLE);...
DMA_PeripheralBurst = DMA_PeripheralBurst_Single;//存储器突发单次传输 DMA_InitStructure.DMA_PeripheralDataSize = DMA_PeripheralDataSize_Byte;//外设数据长度:8位 DMA_InitStructure.DMA_PeripheralInc = DMA_PeripheralInc_Disable;//外设非增量模式 DMA_InitStructure.DMA_Priority = DMA_Priority_Low; //低...
DMA_InitStructure.DMA_PeripheralBurst = DMA_PeripheralBurst_Single; //ÍâÉèÍ»·¢µ...
DMA_InitStructure.DMA_PeripheralBurst = DMA_PeripheralBurst_Single; //外设突发单次传输 DMA_Init(DMA_Streamx, &DMA_InitStructure); DMA_Cmd(DMA_Streamx,ENABLE); } //开启一次DMA传输 void DMA_Enable(DMA_Stream_TypeDef *DMA_Streamx,u16 ndtr) ...
DMA_ReceiveInitStruct.DMA_PeripheralBurst = DMA_PeripheralBurst_Single; DMA_Init(DMA2_Stream5, &DMA_ReceiveInitStruct); USART_DMACmd(USART1,USART_DMAReq_Rx,ENABLE); DMA_Cmd(DMA2_Stream5, ENABLE);//默认开启DMA接收 } 1. 2. 3.