您好,我将工作代码从 STM32F4 移植到了 STM32H7 (STM32H7A3NI)。到目前为止,大多数都按预期工作,但是在用作 I2S 的 SPI2 上,循环 RX DMA1 Stream3 没有启动。NTD 保持 ...
= HAL_OK)/* DMA初始化 */ 44 { 45 Error_Handler(); 46 } 47 /* DMA2_Stream0_IRQn中断配置 */ 48 HAL_NVIC_SetPriority(DMA2_Stream0_IRQn, 2, 0); 49 HAL_NVIC_EnableIRQ(DMA2_Stream0_IRQn); 50 /* DMA2_Stream1_IRQn中断配置 */ 51 HAL_NVIC_SetPriority(DMA2_Stream1_IRQn, 2, 1...
/* DMA1_Stream0_IRQn interrupt configuration */ HAL_NVIC_SetPriority(DMA1_Stream5_IRQn, 0, 0); HAL_NVIC_EnableIRQ(DMA1_Stream5_IRQn); /* DMA1_Stream1_IRQn interrupt configuration */ HAL_NVIC_SetPriority(DMA1_Stream1_IRQn, 0, 0); HAL_NVIC_EnableIRQ(DMA1_Stream1_IRQn); 第五步, 使...
SD_Handle.hdmarx->Instance = DMA2_Stream3; SD_Handle.hdmarx->Init.Channel = DMA_CHANNEL_4; SD_Handle.hdmarx->Init.Direction = DMA_PERIPH_TO_MEMORY; SD_Handle.hdmarx->Init.FIFOMode = DMA_FIFOMODE_ENABLE; SD_Handle.hdmarx->Init.FIFOThreshold = DMA_FIFO_THRESHOLD_FULL; SD_Handle.hd...
NVIC_InitStructure.NVIC_IRQChannel = DMA2_Stream0_IRQn;NVIC_InitStructure.NVIC_IRQChannelPreemption...
DMA_Init(DMA2_Stream7,&DMA_InitStructure);//初始化DMAStream //DMANVIC NVIC_InitStructure.NVIC_IRQChannel=DMA2_Stream7_IRQn; NVIC_InitStructure.NVIC_IRQChannelPreemptionPriority=0; NVIC_InitStructure.NVIC_IRQChannelSubPriority=0; NVIC_InitStructure.NVIC_IRQChannelCmd=ENABLE; ...
ö´¥·¢Îª¸üÐÂģʽ51TIM2->CR2 |=0x0020;//触发更新模式52//TIM_SelectOutputTrigger(TIM2,TIM_TRGOSource_Update);5354TIM_Cmd(TIM2,ENABLE);//ʹÄܶ¨Ê±Æ÷255//56//NVIC_InitStructure.NVIC_IRQChannel=TIM3_IRQn;//¶¨Ê±Æ÷3ÖÐ...
71 DMA_Init(DMA2_Stream7, &DMA_InitStructure); //初始化DMA Stream7 72 DMA_ITConfig(DMA2_Stream7, DMA_IT_TC, ENABLE); //DMA2传输完成中断 73 USART_DMACmd(USART1,USART_DMAReq_Tx,ENABLE); //使能USART1DMA发送 74 75 NVIC_InitStructure.NVIC_IRQChannel = DMA2_Stream7_IRQn ;//串口1发送...
NVIC_IRQChannel = USART1_IRQn; //串口1中断通道 NVIC_InitStructure.NVIC_IRQChannelPreemptionPriority=1; //抢占优先级1 NVIC_InitStructure.NVIC_IRQChannelSubPriority =3; //子优先级3 NVIC_InitStructure.NVIC_IRQChannelCmd = ENABLE; //IRQ通道使能 NVIC_Init(&NVIC_InitStructure); } static void Usart1...
1， DMA2数据流3对应DMAMUX的通道11（从0开始算起，8~15对应的是DMA2，第4和刚好是通道11）。...