[hpsdr] Alex Control

Dan Habecker dan.habecker at gmail.com
Fri Sep 2 17:31:43 PDT 2011

How about the possibility of creating a firmware config tool similar to what
some of the config tools do for some of the various Softrocks?

Dan W9EQ

On Fri, Sep 2, 2011 at 12:49 AM, Bill Tracey <bill at ewjt.com> wrote:

> ***** High Performance Software Defined Radio Discussion List *****
> I'm sure we can sort this out with Phil when he gets back.  I argued for
> having the firmware do the filter selection directly since it knows the
> frequency in use and the capabilities of the filter board.  My thinking was
> I did not want to have knowledge of the filters have to be in the PC side
> code  -  if the firmware could just 'do the right thing' then why not do it
> that way and  save folks from having to write PC code to do it.  However
> 'the right thing' may not be easily defined so we probably need to think a
> bit more on this.
> Cheers,
> Bill (kd5tfd)
> At 04:34 PM 9/1/2011, Gordon & Lois Duff wrote:
>> ***** High Performance Software Defined Radio Discussion List *****
>> Content-Type: multipart/alternative;
>>        boundary="----=_NextPart_000_**00B6_01CC68CD.714BF710"
>> Content-Language: en-us
>> Looking at the protocol for communications between the PC and Ozy/Metis,
>> there is no provision for Alex filter selection, hence it would appear to be
>> done downstream from any PC software.
>> I would prefer to have filter selection under software control (and I
>> would like to be able to bypass all filters, which Alex RX provides for.)
>>  Why software select?  Suppose there are multiple RX's and I want to
>> optimize one, suppose I want the Broad spectrum to not be treated by a
>> high-pass filter.   There may be other reasons, but these come to mind.   I
>> don't have the skill to implement the code in Metis, so I hope someone else
>> will see the need and make it happen.
>> Gordon, KA2NLM
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