STM32内存到内存的传输仅触发一次

// DMA初始化结构体
DMA_InitTypeDef DMA_InitStruct;

// 配置DMA控制器
DMA_InitStruct.DMA_Channel = DMA_Channel_0;
DMA_InitStruct.DMA_PeripheralBaseAddr = (uint32_t)SourceAddress;
DMA_InitStruct.DMA_MemoryBaseAddr = (uint32_t)DestinationAddress;
DMA_InitStruct.DMA_DIR = DMA_DIR_PeripheralToMemory;
DMA_InitStruct.DMA_BufferSize = 1; // 设置传输计数为1
DMA_InitStruct.DMA_PeripheralInc = DMA_PeripheralInc_Disable;
DMA_InitStruct.DMA_MemoryInc = DMA_MemoryInc_Enable;
DMA_InitStruct.DMA_PeripheralDataSize = DMA_PeripheralDataSize_Word;
DMA_InitStruct.DMA_MemoryDataSize = DMA_MemoryDataSize_Word;
DMA_InitStruct.DMA_Mode = DMA_Mode_Normal; // 单次传输模式
DMA_InitStruct.DMA_Priority = DMA_Priority_High;
DMA_InitStruct.DMA_FIFOMode = DMA_FIFOMode_Disable;
DMA_InitStruct.DMA_FIFOThreshold = DMA_FIFOThreshold_Full;
DMA_InitStruct.DMA_MemoryBurst = DMA_MemoryBurst_Single;
DMA_InitStruct.DMA_PeripheralBurst = DMA_PeripheralBurst_Single;

// 初始化DMA通道
DMA_Init(DMA1_Channel0, &DMA_InitStruct);

// 启用DMA中断（可选）
DMA_ITConfig(DMA1_Channel0, DMA_IT_TC, ENABLE);

// 启动DMA传输
DMA_Cmd(DMA1_Channel0, ENABLE);