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CC1310: CC1310 ADC采集问题

Expert 2290 points
Part Number: CC1310

ADC采集代码如下:

const ADCCC26XX_HWAttrs adcCC26xxHWAttrs[CC1310_LAUNCHXL_ADCCOUNT] = {
    {
        .adcDIO              = CC1310_LAUNCHXL_DIO7_ANALOG, //已修改
        .adcCompBInput       = ADC_COMPB_IN_AUXIO5,
        .refSource           = ADCCC26XX_FIXED_REFERENCE,
        .samplingDuration    = ADCCC26XX_SAMPLING_DURATION_2P7_US,
        .inputScalingEnabled = true,
        .triggerSource       = ADCCC26XX_TRIGGER_MANUAL,
        .returnAdjustedVal   = false
    },
    {
        .adcDIO              = CC1310_LAUNCHXL_DIO24_ANALOG,
        .adcCompBInput       = ADC_COMPB_IN_AUXIO6,
        .refSource           = ADCCC26XX_FIXED_REFERENCE,
        .samplingDuration    = ADCCC26XX_SAMPLING_DURATION_2P7_US,
        .inputScalingEnabled = true,
        .triggerSource       = ADCCC26XX_TRIGGER_MANUAL,
        .returnAdjustedVal   = false
    },
    {
        .adcDIO              = CC1310_LAUNCHXL_DIO25_ANALOG,
        .adcCompBInput       = ADC_COMPB_IN_AUXIO5,
        .refSource           = ADCCC26XX_FIXED_REFERENCE,
        .samplingDuration    = ADCCC26XX_SAMPLING_DURATION_2P7_US,
        .inputScalingEnabled = true,
        .triggerSource       = ADCCC26XX_TRIGGER_MANUAL,
        .returnAdjustedVal   = false
    },
    {
        .adcDIO              = CC1310_LAUNCHXL_DIO26_ANALOG,
        .adcCompBInput       = ADC_COMPB_IN_AUXIO4,
        .refSource           = ADCCC26XX_FIXED_REFERENCE,
        .samplingDuration    = ADCCC26XX_SAMPLING_DURATION_2P7_US,
        .inputScalingEnabled = true,
        .triggerSource       = ADCCC26XX_TRIGGER_MANUAL,
        .returnAdjustedVal   = false
    },
    {
        .adcDIO              = CC1310_LAUNCHXL_DIO27_ANALOG,
        .adcCompBInput       = ADC_COMPB_IN_AUXIO3,
        .refSource           = ADCCC26XX_FIXED_REFERENCE,
        .samplingDuration    = ADCCC26XX_SAMPLING_DURATION_2P7_US,
        .inputScalingEnabled = true,
        .triggerSource       = ADCCC26XX_TRIGGER_MANUAL,
        .returnAdjustedVal   = false
    },
    {
        .adcDIO              = CC1310_LAUNCHXL_DIO28_ANALOG,
        .adcCompBInput       = ADC_COMPB_IN_AUXIO2,
        .refSource           = ADCCC26XX_FIXED_REFERENCE,
        .samplingDuration    = ADCCC26XX_SAMPLING_DURATION_2P7_US,
        .inputScalingEnabled = true,
        .triggerSource       = ADCCC26XX_TRIGGER_MANUAL,
        .returnAdjustedVal   = false
    },
    {
        .adcDIO              = CC1310_LAUNCHXL_DIO29_ANALOG,
        .adcCompBInput       = ADC_COMPB_IN_AUXIO1,
        .refSource           = ADCCC26XX_FIXED_REFERENCE,
        .samplingDuration    = ADCCC26XX_SAMPLING_DURATION_2P7_US,
        .inputScalingEnabled = true,
        .triggerSource       = ADCCC26XX_TRIGGER_MANUAL,
        .returnAdjustedVal   = false
    },
    {
        .adcDIO              = CC1310_LAUNCHXL_DIO30_ANALOG,
        .adcCompBInput       = ADC_COMPB_IN_AUXIO0,
        .refSource           = ADCCC26XX_FIXED_REFERENCE,
        .samplingDuration    = ADCCC26XX_SAMPLING_DURATION_10P9_MS,
        .inputScalingEnabled = true,
        .triggerSource       = ADCCC26XX_TRIGGER_MANUAL,
        .returnAdjustedVal   = false
    },
    {
        .adcDIO              = PIN_UNASSIGNED,
        .adcCompBInput       = ADC_COMPB_IN_DCOUPL,
        .refSource           = ADCCC26XX_FIXED_REFERENCE,
        .samplingDuration    = ADCCC26XX_SAMPLING_DURATION_2P7_US,
        .inputScalingEnabled = true,
        .triggerSource       = ADCCC26XX_TRIGGER_MANUAL,
        .returnAdjustedVal   = false
    },
    {
        .adcDIO              = PIN_UNASSIGNED,
        .adcCompBInput       = ADC_COMPB_IN_VSS,
        .refSource           = ADCCC26XX_FIXED_REFERENCE,
        .samplingDuration    = ADCCC26XX_SAMPLING_DURATION_2P7_US,
        .inputScalingEnabled = true,
        .triggerSource       = ADCCC26XX_TRIGGER_MANUAL,
        .returnAdjustedVal   = false
    },
    {
        .adcDIO              = PIN_UNASSIGNED,
        .adcCompBInput       = ADC_COMPB_IN_VDDS,
        .refSource           = ADCCC26XX_FIXED_REFERENCE,
        .samplingDuration    = ADCCC26XX_SAMPLING_DURATION_2P7_US,
        .inputScalingEnabled = true,
        .triggerSource       = ADCCC26XX_TRIGGER_MANUAL,
        .returnAdjustedVal   = false
    }
};

void ADC_Init(void)
{
    /* Call driver init functions */
    ADC_init();
}


int_fast16_t ADC_GetPowerVol(void)
{
    ADC_Handle   adc;
    ADC_Params   params;
    
    int_fast16_t res;
    uint32_t adcValue0MicroVolt;
    uint16_t adcValue0;

    ADC_Params_init(&params);
    adc = ADC_open(CC1310_LAUNCHXL_ADCBUF0CHANNEL0, &params); //DIO7 

    if (adc == NULL) {
        
    }
    
    /* Blocking mode conversion */
    res = ADC_convert(adc, &adcValue0);

    if (res == ADC_STATUS_SUCCESS) {

        adcValue0MicroVolt = ADC_convertRawToMicroVolts(adc, adcValue0);
        ADC_close(adc);
        return adcValue0MicroVolt;

    }
    ADC_close(adc);
    return -1;
}

CC1310是4*4的, 采集管脚是DIO7

ADC采集到的电压跳动很大从800-12000多.

这个是什么问题?

ADC_convertRawToMicroVolts这个函数转换的电压是mV单位吗?