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    Navigation: All forums > Cores > Message List > Message Post

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    From: dghadia at slscorp.com<dghadia@s...>
    Date: Fri Oct 26 15:50:25 CEST 2007
    Subject: [oc] AC97-Controller on Avalon bus?
    Top

    Hi All,

    I am Divyesh i have also tested with avalone and i am faced some of
    problem on real harware i have used LM4550 Ac97 Codec controller.

    if you have test on real hardware ?

    if you had completed then please give me some of idea how to interface
    SDATA_ IN line (line_in to line_out) i have configure all channel but not
    yet sdata_in so please let me about this as soon as possibale


    regards
    Divyesh



    ----- Original Message -----
    From: otto otto<damc4@g...>
    To:
    Date: Tue Mar 15 12:06:59 CET 2005
    Subject: [oc] AC97-Controller on Avalon bus?

    > Hello,
    >
    > I put the AC'97 Controller on the Avalon bus and it is working fine
    > (thanks
    > Rudi!!!)... most of the time ;(
    > I record via microphone, store the data in SDRAM and play it via
    > line out.
    > Most of the time it is working, but sometimes it is played very
    > much too
    > fast, and I have no idea why? The same data can came out normally
    > if I give
    > it another try....
    > I have only one interrupt (from the AC'97 Controller) in the
    > system, don't
    > use the AC'97 Controllers DMA. In the interrupt service function I
    > read/write the data to/from the AC'97 controller to/from SDRAM.
    > That's all.
    > Anybody made the same strange experiences or has any idea where
    to
    > look for
    > the bug?
    > Thanks
    > Otto
    > P.S. I don't think that the bug is in the AC'97 Controller, I think
    > it's in
    > my adaptation, but where?
    > --
    > SMS bei wichtigen e-mails und Ihre Gedanken sind frei ...
    > Alle Infos zur SMS-Benachrichtigung: http://www.gmx.net/de/go/sms
    >
    >

     
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