Picdude wrote...

>...I'll still treat it as getting a basic non-DSP app running 
>on a dsPIC first, then add on some DSP functionality.

One other point.

Don't know if it's of any interest, but Microchip offers a free
math library for the dsPIC30F.  The math functions are callable
from assembly language and handle both single- and
double-precision IEEE-754 floating point math.  

For a dsPIC30F running at top speed, a single-precision floating
point multiply, subtract or add takes about 3 microseconds; a
divide takes about 11 microseconds.

The library contains the basic functions plus trig and
hyperbolic, logs and exponentials, power functions, type
conversions, etc.

Might be useful in some applications.

Go to the Microchip website, click on dsPIC Digital Signal
Controllers, then on "dsPIC Development Boards, Tools and
Libraries."  The math libs are linked somewhere on that page.

Dave D.

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