[hpsdr] Blackfin 32*32 bits multiply

[Lyle Johnson]

> I would like to see some discussion of other DSPs with either 32 bit 
> MACs with 80 bit accumulators or floating point that are hobbyist 
> friendly. The main reason I have not used a floating point DSP is the 
> expensive closed tools. GCC is what drew me to use the Blackfin.

TMS320VC33 32-bit floating point DSP has free tools from the TI website 
(download the code for the "University SDK") as well as gnu (from the 
University of Canterbury, New Zealand).

73,

Lyle KK7P


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