读两个通道的ADC值时的疑惑

isky · 发表于 2015-11-24 14:06:50

[mw_shl_code=c,true]void Adc_Init(void) { ADC_InitTypeDef ADC_InitStructure; GPIO_InitTypeDef GPIO_InitStructure; RCC_APB2PeriphClockCmd(RCC_APB2Periph_GPIOC |RCC_APB2Periph_ADC1 , ENABLE ); RCC_ADCCLKConfig(RCC_PCLK2_Div6); //PC4 GPIO_InitStructure.GPIO_Pin = GPIO_Pin_4; GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AIN; GPIO_Init(GPIOC, &GPIO_InitStructure); //PC5 GPIO_InitStructure.GPIO_Pin = GPIO_Pin_5; GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AIN; GPIO_Init(GPIOC, &GPIO_InitStructure); ADC_DeInit(ADC1); ADC_InitStructure.ADC_Mode = ADC_Mode_Independent; 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 = 2; ADC_Init(ADC1, &ADC_InitStructure); ADC_RegularChannelConfig(ADC1,ADC_Channel_14,1,ADC_SampleTime_239Cycles5); ADC_RegularChannelConfig(ADC1,ADC_Channel_15,2,ADC_SampleTime_239Cycles5); ADC_Cmd(ADC1, ENABLE); ADC_ResetCalibration(ADC1); while(ADC_GetResetCalibrationStatus(ADC1)); ADC_StartCalibration(ADC1); while(ADC_GetCalibrationStatus(ADC1)); ADC_SoftwareStartConvCmd(ADC1, ENABLE); } [/mw_shl_code]

我想读取两个管脚PC4、PC5的ADC的值，请问应这样设置吗？然后应该怎么才能读出来呢，用什么语句。项目比较小，不太想用DMA的方式。求大神指点，先谢为敬！