能够进入DMA1_Channel1_IRQHandler,然后就死了。
核心代码:
void DMA1_Channel1_IRQHandler(void) __attribute__((interrupt("WCH-Interrupt-fast")));
void DMA1_Channel1_IRQHandler(void)
{
if(DMA_GetITStatus(DMA1_IT_TC1))
{
//ControlTask(NULL);
DMA_ClearITPendingBit(DMA1_IT_TC1);
}
//DMA_ClearFlag(DMA1_FLAG_TC1);
}
void ADC_Config()
{
ADC_InitTypeDef ADC_InitStructure = {0};
GPIO_InitTypeDef GPIO_InitStructure = {0};
RCC_APB2PeriphClockCmd(RCC_APB2Periph_GPIOA, ENABLE);
RCC_APB2PeriphClockCmd(RCC_APB2Periph_ADC1, ENABLE);
GPIO_InitStructure.GPIO_Pin = GPIO_Pin_1;
GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AIN;
GPIO_Init(GPIOA, &GPIO_InitStructure);
ADC_DeInit(ADC1);
ADC_CLKConfig(ADC1, ADC_CLK_Div6);
ADC_InitStructure.ADC_Mode = ADC_Mode_Independent;
ADC_InitStructure.ADC_ScanConvMode = ENABLE; //AAAA,从disable改的
ADC_InitStructure.ADC_ContinuousConvMode = ENABLE;
ADC_InitStructure.ADC_ExternalTrigConv = ADC_ExternalTrigConv_None;
ADC_InitStructure.ADC_DataAlign = ADC_DataAlign_Right;
ADC_InitStructure.ADC_NbrOfChannel = PW_ADC_CHANNEL_NO;
ADC_Init(ADC1, &ADC_InitStructure);
ADC_DMACmd(ADC1, ENABLE);
ADC_Cmd(ADC1, ENABLE);
DMA_InitTypeDef DMA_InitStructure = {0};
RCC_AHBPeriphClockCmd(RCC_AHBPeriph_DMA1, ENABLE);
DMA_DeInit(DMA1_Channel1);
DMA_InitStructure.DMA_PeripheralBaseAddr = (u32)&ADC1->RDATAR;
DMA_InitStructure.DMA_MemoryBaseAddr = (u32)power_ADC.channel[0];
DMA_InitStructure.DMA_DIR = DMA_DIR_PeripheralSRC;
DMA_InitStructure.DMA_BufferSize = PW_ADC_CHANNEL_NO;
DMA_InitStructure.DMA_PeripheralInc = DMA_PeripheralInc_Disable;
DMA_InitStructure.DMA_MemoryInc = DMA_MemoryInc_Enable;
DMA_InitStructure.DMA_PeripheralDataSize = DMA_PeripheralDataSize_HalfWord;
DMA_InitStructure.DMA_MemoryDataSize = DMA_MemoryDataSize_HalfWord;
DMA_InitStructure.DMA_Mode = DMA_Mode_Normal;
DMA_InitStructure.DMA_Priority = DMA_Priority_VeryHigh;
DMA_InitStructure.DMA_M2M = DMA_M2M_Disable; //AAA
DMA_Init(DMA1_Channel1, &DMA_InitStructure);
NVIC_InitTypeDef NVIC_InitStructure;
DMA_ITConfig(DMA1_Channel1,DMA_IT_TC, ENABLE); //使能传输完成中断
NVIC_InitStructure.NVIC_IRQChannel = DMA1_Channel1_IRQn;
NVIC_InitStructure.NVIC_IRQChannelCmd = ENABLE;
NVIC_Init(&NVIC_InitStructure);
DMA_Cmd(DMA1_Channel1, ENABLE);
ADC_RegularChannelConfig(ADC1, ADC_Channel_1, 1, ADC_SampleTime_11Cycles);
ADC_RegularChannelConfig(ADC1, ADC_Channel_2, 1, ADC_SampleTime_11Cycles);
ADC_RegularChannelConfig(ADC1, ADC_Channel_3, 1, ADC_SampleTime_11Cycles);
ADC_RegularChannelConfig(ADC1, ADC_Channel_4, 1, ADC_SampleTime_11Cycles);
ADC_SoftwareStartConvCmd(ADC1, ENABLE);
Delay_Ms(50);
ADC_SoftwareStartConvCmd(ADC1, DISABLE);
}