#define SAIA_RX_DMA2_StreamX_IRQHandler DMA2_Stream4_IRQHandler #define SAIA_RX_DMA_CHANNEL_X...
#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()...
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）。...
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 */ /* USER CODE END DMA2_Stream5_IRQn 1 */ ...
当串口接收到一帧遥控器数据包时(18字节),产生空闲中断,此时会进入UART5的中断函数UART5_IRQHandler(在stm32h7xx.it.c里) Go to Definition一下看看这个函数是怎么写的,是如何进入HAL_UARTEx_RxEventCallback的 该函数写在stm32h7xx_hal_uart.c里的2209行 ,其中2209行至2375行都是HAL库的一些错误处理,只要...
printf("DMA1_Stream0 %u rn", (DMA1_Stream0->CR & 0x1));} 中断例程：void TIM2_IRQHandler...
(USART2_TX_DMA_STREAM,DMA_FLAG_TCIF6); /* Clear USART Transfer Complete Flags */ USART_ClearFlag(USART2,USART_FLAG_TC); DMA_SetCurrDataCounter(USART2_TX_DMA_STREAM,lengh); DMA_Cmd(USART2_TX_DMA_STREAM,ENABLE); } void USART2_IRQHandler(void) { uint16_t lengh=0; if(USART_GetIT...
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...
c:void DMA2_Stream0_IRQHandler(void){ if(DMA_GetITStatus(DMA2_Stream0, DMA_IT_TCIF0))...