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Minimum / non-frame(8) number of uFrames per HS / SS isoch transfer. RRS feed

  • Question

  • HI All.  Based on https://msdn.microsoft.com/en-us/library/windows/hardware/ff538112(v=vs.85).aspx and a wealth of other info, its easy to determine the MAXIMUM size of an isoch transfer.  What is the minimum?

    Is it possible to send less than a full frame, say 4 or 5 or a non-frame(8) integral, say 11 or 12,  number of uFrames per isoch transfer and receive the completion based on those frames?

    For example, Lets say I'd like the iso callback to happen every 1250us or 10 uFrames... Is this possible? 

    Thanks for your time.


    Thursday, September 17, 2015 2:01 PM