[hpsdr] Help with Metis protocol please

[Bob Cowdery]

Hi John

Thanks for that. I can live with it as its not part of the problem I'm
seeing.

Bob

On 27/10/2013 12:17, John Melton wrote:
>
> Hi Bob
>
> I told Phil about this problem with the wideband data a couple of
> weeks ago. It is only a bug in the Metis code and not Hermes.
>
> I have a fixed version of the Met is firmware if you want a copy? Phil
> is going to put the fix in the next official release.
>
> Regards,
>
> -- John g0orx/n6lyt
>
> On Oct 27, 2013 11:34 AM, "Bob Cowdery" <bob at bobcowdery.plus.com
> <mailto:bob at bobcowdery.plus.com>> wrote:
>
>     ***** High Performance Software Defined Radio Discussion List *****
>
>     Hi,
>
>     I'm debugging some problems on a new back-end. In order to
>     eliminate the
>     old versions of firmware I was using I upgraded to the latest
>     releases.
>     It didn't help so I'm going through with a fine tooth comb, and so
>     starts a few questions.
>
>     1. When I installed the new firmware I was getting continuous sequence
>     errors and found that a larger read buffer fixed it. I'm pretty sure
>     this is due to the wide band bandscope throwing a lot more data at me
>     (was 4K now 16K).
>
>     2. In order to just concentrate on the IQ data I wanted to turn off WB
>     data but found I couldn't. According to the docs the Cmd byte bit 0
>     turns on IQ and bit 1 turns on WB. However I seem to get both with any
>     combination of bit 0 and 1 except 00 which gives me nothing. I also
>     tried to selectively turn off WB by sending a stop command with
>     Cmd byte
>     0x02 immediately after the start but that didn't work either.
>
>     Any help appreciated.
>
>     73 Bob G3UKB
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