大约0.1的跳动,而且过一段时间会突然出现一次零,这是我的ADC程序,大哥们帮小弟看看,在线等
void Adc1_Init(void)
{
ADC_InitTypeDef ADC_InitStructure;
GPIO_InitTypeDef GPIO_InitStructure;
RCC_APB2PeriphClockCmd(RCC_APB2Periph_GPIOA|RCC_APB2Periph_ADC1 , ENABLE );
RCC_ADCCLKConfig(RCC_PCLK2_Div6);
GPIO_InitStructure.GPIO_Pin = GPIO_Pin_1;
GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AIN;
GPIO_Init(GPIOA, &GPIO_InitStructure);
ADC_DeInit(ADC1); /
ADC_InitStructure.ADC_Mode = ADC_Mode_Independent ;
ADC_InitStructure.ADC_ScanConvMode = DISABLE;
ADC_InitStructure.ADC_ContinuousConvMode = ENABLE;
ADC_InitStructure.ADC_ExternalTrigConv = ADC_ExternalTrigConv_None;
ADC_InitStructure.ADC_DataAlign = ADC_DataAlign_Right;
ADC_InitStructure.ADC_NbrOfChannel = 1;
ADC_Init(ADC1, &ADC_InitStructure); /
ADC_DMACmd(ADC1, ENABLE);
ADC_Cmd(ADC1, ENABLE);
ADC_ResetCalibration(ADC1);
while(ADC_GetResetCalibrationStatus(ADC1)); /
ADC_SoftwareStartConvCmd(ADC1, ENABLE);
ADC_StartCalibration(ADC1);
while(ADC_GetCalibrationStatus(ADC1));
// ADC_SoftwareStartConvCmd(ADC1, ENABLE);
ADC_RegularChannelConfig(ADC1, ADC_Channel_1, 1, ADC_SampleTime_239Cycles5 );
}
一周热门 更多>