11 DMA1_Channel3->CPAR = SPI1_DR_Addr; //外设地址 12 DMA1_Channel3->CMAR = (u32) buff; //mem地址 13 DMA1_Channel3->CNDTR = len ; //传输长度 14 DMA1_Channel3->CCR = (0 << 14) | // 非存储器到存储器模式 15 (2 << 12) | // 通道优先级高 16 (0 << 11) | // ...
DMA2_Channel3->CMAR=(u32)srcAdd;//DMA1, 内存地址 DMA2_Channel3->CNDTR=len; //DMA2,...
RCC_APB2PeriphClockCmd(RCC_APB2Periph_USART1, ENABLE);//启动DMA时钟 RCC_AHBPeriphClockCmd(RCC_...
{//DMA channel x memory address registerdam_chx->CMAR =pBuf;//DMA channel x number of data registerdam_chx->CNDTR =length;//Enables or disables the specified DMA Channeln interrupts.DMA_Cmd(dam_chx, ENABLE); } 9.编写MM32F0140 UART1 DMA发送数据函数 MM32F0140 UART1 DMA发送数据函数代码...
{//DMA channel x memory address registerdam_chx->CMAR =pBuf;//DMA channel x number of data registerdam_chx->CNDTR =length;//Enables or disables the specified DMA Channeln interrupts.DMA_Cmd(dam_chx, ENABLE); } 9.編寫MM32F0140 UART1 DMA傳送資料函式 ...