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Thread: ADC problem in CrossView Pro C166/ST10

  1. #1
    New Member New Member Nancy is on a distinguished road
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    ADC problem in CrossView Pro C166/ST10

    Dear Sir/Madam,

    I use Tasking EDE C166-ST10 ver 8.8r1 and CrossView Pro C166/ST10 simulator to debug the code. I set PIN_ADC00 =3, PIN_VAREF= 5; PIN_VAGND=0; But the ADC result is always 0. And the ADC0_GLOBSTR.BUSY bit is always 0, ADC0_RCR0.VF bit is always 0. It seems that I cannot get the correct ADC value. Could you please help me to solve this problem?

    The following is the code design(also shown in the attached file):

    I used Infenion XC2365b to design ADC driver. Using Dave configuration; using ADC0, Parallel source, Permanent arbition; Configure ADC0 Channel 0, resultReg 0; enable Autoscan in Parallel source;

    The code is as follows:
    main ()
    {

    MAIN_vInit();

    while(1)
    {

    // USER CODE BEGIN (Main,4)
    static uword ChannelNum;


    ChannelNum = (1<<ADC0_ANA_0)&0x0001;
    ADC0_vStartParReqChNum(ChannelNum);
    ADC0_vStartParPReqChNum(ChannelNum);
    ADC0_vSetLoadEvent();
    while((ADC0_uwBusy()==1 );
    raw_result = ADC0_uwGetResultData(RESULT_REG_0);
    }
    }
    ?????

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