DMA_DeInit(DMA1_Channel1);
凡是遇到DMA1_Channel1 都是找不到，我是参考2.0库ADC转换例子
下边是例子
void adc_init_Configuration(void)
{
GPIO_adc_Configuration();
// DMA 通道1配置
RCC_AHBPeriphClockCmd(RCC_AHBPeriph_DMA1, ENABLE); // 使能DMA的时钟
/* DMA1 channel1 configuration ----------------------------------------------*/
DMA_DeInit(DMA1_Channel1); // 复位
DMA_InitStructure.DMA_PeripheralBaseAddr = ADC1_DR_Address; // 外围设备的基址
DMA_InitStructure.DMA_MemoryBaseAddr = (u32)&ADC_collection; // 存储空间的基址
DMA_InitStructure.DMA_DIR = DMA_DIR_PeripheralSRC; // 方向：外围->内存
DMA_InitStructure.DMA_BufferSize = ADC_number; // 传输的数目
DMA_InitStructure.DMA_PeripheralInc = DMA_PeripheralInc_Disable; // 外围设备地址不增加
DMA_InitStructure.DMA_MemoryInc = DMA_MemoryInc_Enable; // 内存空间地址加1
DMA_InitStructure.DMA_PeripheralDataSize = DMA_PeripheralDataSize_Word; // 外围设备的字长
DMA_InitStructure.DMA_MemoryDataSize = DMA_MemoryDataSize_Word; // 内存空间的字长
DMA_InitStructure.DMA_Mode = DMA_Mode_Circular; // 模式：循环缓冲
DMA_InitStructure.DMA_Priority = DMA_Priority_High; // 优先级：高
DMA_InitStructure.DMA_M2M = DMA_M2M_Disable; // 没有使用内存到内存方式
DMA_Init(DMA1_Channel1, &DMA_InitStructure);
DMA_Cmd(DMA1_Channel1, ENABLE); // 使能
/* ADC1 configuration ------------------------------------------------------*/
ADC_InitStructure.ADC_Mode = ADC_Mode_RegSimult;
ADC_InitStructure.ADC_ScanConvMode = ENABLE;
ADC_InitStructure.ADC_ContinuousConvMode = ENABLE;
ADC_InitStructure.ADC_ExternalTrigConv = ADC_ExternalTrigConv_None;
ADC_InitStructure.ADC_DataAlign = ADC_DataAlign_Right;
ADC_InitStructure.ADC_NbrOfChannel = 9;//装换9个通道
ADC_Init(ADC1, &ADC_InitStructure);
/* ADC1 regular channels configuration */
ADC_RegularChannelConfig(ADC1, ADC_Channel_UA, 1, ADC_SampleTime_239Cycles5);
ADC_RegularChannelConfig(ADC1, ADC_Channel_UB, 2, ADC_SampleTime_239Cycles5);
ADC_RegularChannelConfig(ADC1, ADC_Channel_UC, 3, ADC_SampleTime_239Cycles5);
ADC_RegularChannelConfig(ADC1, ADC_Channel_UA, 4, ADC_SampleTime_239Cycles5);
ADC_RegularChannelConfig(ADC1, ADC_Channel_UB, 5, ADC_SampleTime_239Cycles5);
ADC_RegularChannelConfig(ADC1, ADC_Channel_UC, 6, ADC_SampleTime_239Cycles5);
ADC_RegularChannelConfig(ADC1, ADC_Channel_UA, 7, ADC_SampleTime_239Cycles5);
ADC_RegularChannelConfig(ADC1, ADC_Channel_UB, 8, ADC_SampleTime_239Cycles5);
ADC_RegularChannelConfig(ADC1, ADC_Channel_UC, 9, ADC_SampleTime_239Cycles5);
ADC_DiscModeChannelCountConfig (ADC1, 3);//一次转换3个数据
/* Enable ADC1 DMA */
ADC_DMACmd(ADC1, ENABLE);
/* ADC2 configuration ------------------------------------------------------*/
ADC_InitStructure.ADC_Mode = ADC_Mode_RegSimult;
ADC_InitStructure.ADC_ScanConvMode = ENABLE;
ADC_InitStructure.ADC_ContinuousConvMode = ENABLE;
ADC_InitStructure.ADC_ExternalTrigConv = ADC_ExternalTrigConv_None;
ADC_InitStructure.ADC_DataAlign = ADC_DataAlign_Right;
ADC_InitStructure.ADC_NbrOfChannel = 9; //装换9个通道
ADC_Init(ADC2, &ADC_InitStructure);
/* ADC2 regular channels configuration */
ADC_RegularChannelConfig(ADC2, ADC_Channel_IA1, 1, ADC_SampleTime_239Cycles5);
ADC_RegularChannelConfig(ADC2, ADC_Channel_IB2, 2, ADC_SampleTime_239Cycles5);
ADC_RegularChannelConfig(ADC2, ADC_Channel_IC3, 3, ADC_SampleTime_239Cycles5);
ADC_RegularChannelConfig(ADC2, ADC_Channel_IA4, 4, ADC_SampleTime_239Cycles5);
ADC_RegularChannelConfig(ADC2, ADC_Channel_IB5, 5, ADC_SampleTime_239Cycles5);
ADC_RegularChannelConfig(ADC2, ADC_Channel_IC6, 6, ADC_SampleTime_239Cycles5);
ADC_RegularChannelConfig(ADC2, ADC_Channel_IA7, 7, ADC_SampleTime_239Cycles5);
ADC_RegularChannelConfig(ADC2, ADC_Channel_IB8, 8, ADC_SampleTime_239Cycles5);
ADC_RegularChannelConfig(ADC2, ADC_Channel_IC9, 9, ADC_SampleTime_239Cycles5);
ADC_DiscModeChannelCountConfig (ADC2, 3);//一次转换3个数据
/* Enable ADC2 external trigger conversion */
ADC_ExternalTrigConvCmd(ADC2, ENABLE);
/* Enable ADC1 */
ADC_Cmd(ADC1, ENABLE);//使能ADC
/* Enable Vrefint channel17 */
ADC_TempSensorVrefintCmd(ENABLE);//使能温度传感器和内部电压参考通道
/* Enable ADC1 reset calibaration register */
ADC_ResetCalibration(ADC1);//校准ADC1
/* Check the end of ADC1 reset calibration register */
while(ADC_GetResetCalibrationStatus(ADC1));//获取ADC校准的状态
/* Start ADC1 calibaration */
ADC_StartCalibration(ADC1);//开始指定ADC校准状态
/* Check the end of ADC1 calibration */
while(ADC_GetCalibrationStatus(ADC1));//获取指定ADC的校准状态
/* Enable ADC2 */
ADC_Cmd(ADC2, ENABLE); //使能ADC
/* Enable ADC2 reset calibaration register */
ADC_ResetCalibration(ADC2);//校准ADC1
/* Check the end of ADC2 reset calibration register */
while(ADC_GetResetCalibrationStatus(ADC2));//获取ADC校准的状态
/* Start ADC2 calibaration */
ADC_StartCalibration(ADC2);
/* Check the end of ADC2 calibration */
while(ADC_GetCalibrationStatus(ADC2));
/* Start ADC1 Software Conversion */
ADC_SoftwareStartConvCmd(ADC1, ENABLE);
/* Test on DMA1 channel1 transfer complete flag */
while(!DMA_GetFlagStatus(DMA1_FLAG_TC1));
/* Clear DMA1 channel1 transfer complete flag */
DMA_ClearFlag(DMA1_FLAG_TC1);
} |
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