Been looking at the circuit for the ATUSB

Werner Almesberger werner at
Sat Mar 26 02:01:22 EDT 2011

Richard Sharpe wrote:
> that the only fields that are important are RequestType, Request and
> Length? That is, that you don't particularly care about Value and
> Index and that I can set them to zero?

Both wIndex and wValue are used. wIndex is the register number or
the buffer address, wValue the value to write (in ATUSB_REG_WRITE).
My EP0 protocol is described in ben-wpan/atusb/fw/include/atusb/ep0.h

- Werner

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