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TI Home » TI E2E Community » Support Forums » Digital Signal Processors (DSP) » C5000 Ultra Low Power DSP » C5000 Ultra Low Power DSP Forum » EzDSP ADC
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    EzDSP ADC

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    Avvi
    Posted by Avvi
    on Jan 17 2010 21:13 PM
    Prodigy30 points

    Hi,

    I'm trying to get the ADC going on EzDSP. I set up everything as per the application note and once the busy flag is cleared I read the data. For some reason the data is always 0xff even i ground the input pin (GPAIN0).

    Does anyone have some sample code that could be help.

    Any help very much appreciated.


    Regards

     

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    • Mark Mckeown
      Posted by Mark Mckeown
      on Jan 18 2010 10:36 AM
      Genius10210 points

      Hi Avvi,

      You should check out the example projects included in the C5505 Chip Support Library.

      For C5505 eZdsp, you need to download C55XCSL-LOWPOWER from http://focus.ti.com/docs/toolsw/folders/print/sprc133.html

      Once installed, the following three ADC examples will be located under <install path>\VC5505_CSL\CCS_v4.0_Examples\sar\ :

      CSL_SAR_DmaExample
      CSL_SAR_IntcExample
      CSL_SAR_PollExample


      These projects should get you started with the ADC. Please be sure to read the Release Notes that get installed with the CSL for CCS4.0 usage instructions.

      Let us know how it goes.

      Thanks,
      Mark

       

       

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    • Avvi
      Posted by Avvi
      on Jan 24 2010 16:35 PM
      Prodigy30 points

      Thanks Mark,

      Just managed to put in some more time into last few days - it works like a charm! Excellent stuff!

      Appreciate the help.

      Regards

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