[hpsdr] Blackfin

[Philip Covington]

On 7/11/07, Lyle Johnson <kk7p at wavecable.com> wrote:
> ***** High Performance Software Defined Radio Discussion List *****
>
> > One thing I over looked (thanks to Steve KA6S) is that, there is going
> > to be a huge software effort to port/rewrite dttsp in fixed point.
> > Sasquash does not have that problem. TI C67xx floating point tools can
> > be used to cross compile DTTSP for C67xx and some C-level
> > optimizations can be done specific to C67xx without even writing any
> > assembly code for it.
>
> This will be done for Sasquatch because it is being done for the AMSAT
> SDX, but some of the core stuff is also being/has been ported to the
> dsPIC for SuitSat-2, so there will be some 16-bit fixed-point code base
> to work from.
>
> And a DSP-based portable radio doesn't have to be based on this core,
> see EMRFD, Johan Forrer's ASP code, Bob Larkin's DSP-10 and Peter
> Rhodes' Pic A Star for some examples.
>
> Lyle
>

I still wonder if it would not be just as cost effective to use a
mini-ITX board instead of custom DSP board for a stand alone radio?
It might not be as power efficient, but everything as far as the DSP
code is already in place (DttSP) to get the job done.

73 Phil N8VB

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