[Gmecm] Any USB developers out there?

[Paul Smith]

>
> Hi Paul.  I have uploaded the project to the TWiki page:
>
> http://www.diy-efi.org/twiki/bin/view.pl/Gmecm/UsbVpw
>
> I think the problem is in hardware instead of software.  I am testing
> the board with a keyboard/mouse demo that is supposed to move the mouse
> in a circle and send keystrokes.  This firmware works on the PIC demo
> board that I bought, but it doesn't work on my PCB.  I ran usbview.exe
> to see that most of the enumeration is correct except the last 4 items:
>
> my board                              demo board
> ----------------------------------------------------------------
> Current Config Value: 0x00            Current Config Value: 0x01
> Device Bus Speed: Low                 Device Bus Speed: Full
> Device Address: 0x00                  Device Address: 0x01
> Open Pipes: 0                         Open Pipes: 1
>
> That stuff is clear as mud to me.  The thing that stands out is the Bus
> Speed.  I don't know why my PCB shows up as Low while the demo board is
> Full.  I have checked the D- and D+ lines and the pullup is in the right
> place.
>
> I am using the PIC18F2455.  I posted to the microchip forums also and
> got some suggestions but haven't found the answer yet.  That thread is
> here:
>
> http://forum.microchip.com/tm.aspx?m=185797
>
> thanks for any help,
>
> --steve
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>


I will start looking at this, I am currently working on a USB board so
should be able to test out some stuff and find out what's wrong, give me a
couple of days to look it over.

Thanks
Paul
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