Debug board

[Kyle Bassett]

I will give it a go when I get home from vacation in a week or so...

Good luck!

-Kyle

On 8/7/07, Greg Johnson <gjohnson at superweasel.com> wrote:
>
> Hi,
>
> Has anyone else tried using the debug board?  I tried for the first time
> last night and thought I'd share my experience.
>
> First, I had a hard time
> getting it connected.  I was not previously familiar with the connectors
> for the ribbon cable, and it wasn't clear how far the cable must be
> pushed into the connector.  The pictures on
> http://wiki.openmoko.org/wiki/Connecting_Neo1973_with_Debug_Board_v2
> were useful, but it still took me a while to get it connected.
>
> Second, while I did get openocd working with it, I was never able to get
> serial output through the debug board.  /dev/ttyUSB0 appeared on my
> Linux laptop, but using minicom on it (115200 baud, no/hardware flow
> control, 8N1) didn't produce any output.  I tried "setting the console
> to serial" through the bootloader, but no luck.  I've taken the
> "console=ttySAC0,115200" out of my kernel boot command line by changing
> the u-boot environment variables, so I didn't expect kernel output.
> Neither the getty on ttySAC0 or 'echo "foo" > /dev/ttySAC0' produced any
> output in minicom.
>
> Third, I saw the debug board in the output of "lsusb" on my laptop, but
> not the Neo when it was plugged into the debug board.  I was unable to
> use usbnet.  Luckily, my laptop has three usb ports, so I just plugged
> the Neo directly into the laptop.
>
> Finally, the Neo didn't charge when connected to the Debug board.
>
> Is there more documentation available about the debug board?  For
> example, what do the various LEDs mean?  Are schematics available?
> On Harald's blog, I see that he mentioned a version 3 of the debug
> board.  What changed?  I thought that the intent was to make no major
> changes to the debug board.  Will the one I have will work with the
> GTA02?
>
> Having fun,
>
> Greg
>
>
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