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TI Home » TI E2E Community » Support Forums » Data Converters » Audio Converters » Audio Converters Forum » PCM2707 HID status write
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PCM2707 HID status write

PCM2707 HID status write

This question is not answered
Kevin Lee59777
Posted by Kevin Lee59777
on Apr 18 2012 23:50 PM
Prodigy65 points

Dear All.

I can write HID status by SPI interface and windows get the HID command.

But the status bit does not clear automatically and windows get repeated commands so much.

What duration ( ms or us) is required for sending only one HID command to OS before clearing the HID status bit.

Thanks and best regards,

Kevin.

PCM2707 SPI HID
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  • Hanns
    Posted by Hanns
    on Apr 19 2012 05:11 AM
    Intellectual810 points

    Hi Kevin!

    I also noticed that the status bits need be cleared or else it will be repeated to the host.

    I wait approximately 50 ms before clearing and I've never seen a repeat. You can probably experiment with this to find a minimum interval but actual recommendations is bound to be found in the USB HID device specification. I haven't read it but it's probably a really large document...

    Good luck with project!

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