HAL_NVIC_SetPriority(DMA1_Channel2_IRQn, 1, 0); HAL_NVIC_SetPriority(DMA1_Channel2_IRQn, 1, 0);是用于配置中断优先级的函数,通常在 STM32 微控制器编程中使用。以下是这行代码的一些详细信息: 函数含义 HAL_NVIC_SetPriority: 这是一个来自 STM32 HAL 库的函数,用于设置指定中断通道的优先级。 参数...
void USART2_IRQHandler(void)（接系统板）{ //u8 rec_data;if(USART_GetITStatus(USART2, USART_...
DMA_Cmd(USART1_RX_CHANNEL, DISABLE); RxBufferSize = DMASIZE - DMA_GetCurrDataCounter(USART1_RX_CHANNEL); decode(); // uart_dma_send_enable(2); 用于测试验证 DMA_SetCurrDataCounter(USART1_RX_CHANNEL, DMASIZE); DMA_Cmd(USART1_RX_CHANNEL, ENABLE); } } void DMA1_Channel4_IRQHandler(voi...
ADC_RegularChannelConfig(ADC1, ADC_Channel_10, 11, ADC_SampleTime_239Cycles5 ); //PC0 ADC_RegularChannelConfig(ADC1, ADC_Channel_11, 12, ADC_SampleTime_239Cycles5 ); //PC1 ADC_RegularChannelConfig(ADC1, ADC_Channel_12, 13, ADC_SampleTime_239Cycles5 ); //PC2 ADC_RegularChannelConfig(ADC1,...
voidADC1_2_IRQHandler(void) {if(ADC_GetITStatus(ADC1,ADC_IT_EOC)) {/*重启DMA*/DMA_Cmd(DMA1_Channel1,DISABLE); DMA_SetCurrDataCounter(DMA1_Channel1,2);//设置还要转换的数据个数DMA_Cmd(DMA1_Channel1,ENABLE); ADC_ClearITPendingBit(ADC1, ADC_IT_EOC);//清除转换完成标志} ...
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DMA中断对于每个数据流都有一个中断服务函数,比如DMA2_Stream0的中断服务函数为DMA2_Stream0_IRQHandler。HAL库提供了通用DMA中断处理函数HAL_DMA_IRQHandler,在该函数内部,会对DMA传输状态进行分析,然后调用相应的中断处理回调函数: void HAL_UART_TxCpltCallback(UART_HandleTypeDef *huart); /* 发送完成回调函数 ...
aTIM3_EV0[translate] a0: No wakeup event generated on DMA1 channel 2 and 3[translate] aBit 6 DMA1CH01_EV: DMA1 channel 0 and 1 interrupt event[translate] a1: DMA1 channel 0and 1interrupts configured to generate wakeup events[translate]...
void DMA1_Channel1_IRQHandler (){ int i,j=0;int input[2]={0 ,0};int sum = 0;u8 count;// vu16 value_buf[N];/*ÏÞ·ùƽ¾ù*/ for (i=0;i<M;i++){ for ( count=0;count<N;count++){ input[1]=input[0];input[0]= AD_Value...
aBit 7 DMA1CH23_EV: DMA1 channel 2 and 3 interrupt event[translate] a0: No wakeup event generated on DMA1 channel 2 and 3[translate] aThis bit is written by software to select the DMA1 channel 0 and 1 interrupt sources used to wake up the CPU from WFE mode.[translate]...