#define SAIA_RX_DMA2_StreamX_IRQn DMA2_Stream4_IRQn #define SAIA_RX_DMA2_StreamX_IRQHandler...
#define UART1_DMA_TX_IRQHandler DMA2_Stream7_IRQHandler #define UART1_TX_DMA_RCC RCC_AHB1ENR_DMA2EN #define UART1_TX_DMA_INSTANCE DMA2_Stream7 #define UART1_TX_DMA_CHANNEL DMA_CHANNEL_4 #define UART1_TX_DMA_IRQ DMA2_Stream7_IRQn 之后在 stm32_control 中会调用 stm32_dma_config()...
DMA1_Stream4->CR&=~(1<<4); //关闭传输完成中断(这里不用中断送数据)I2S2ext_RX_DMA_Init...
* @brief This function handles DMA2 stream5 global interrupt. */ void DMA2_Stream5_IRQHandler(void) { /* USER CODE BEGIN DMA2_Stream5_IRQn 0 */ /* USER CODE END DMA2_Stream5_IRQn 0 */ HAL_DMA_IRQHandler(&hdma_usart3_rx); /* USER CODE BEGIN DMA2_Stream5_IRQn 1 */ /...
DMA1_Stream0->CR |= (0x1 << 0);// enable IRQ NVIC_EnableIRQ(DMA1_Stream0_IRQn);printf(...
NVIC_IRQChannel = USART2_IRQn; //串口2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); //根据指定的参数初始化...
while (1){ 我重新测试了一下，代码没有问题，写卡都能够成功 问题是在那个HAL_SD_ErrorCallback函数...
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）。...
Channel7_IRQChannel;和 NVIC_InitStructure.NVIC_IRQChannel = DMA1_Channel7_IRQn;外，没看出啥 ...