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[dsp] AFSK demodulator code for ARM7TDMI?

Mark Jordan mark at cpovo.net
Fri Feb 11 11:39:15 UTC 2005


	The AVR family has a TWO clock cycle instruction that does
8x8bit multiplication. And a 16MHz AVR can do 16 MIPS!
	Signed 16bit multiplication can be done in 20 clock cycles.
	It is amazing what can be done with the AVR processors.

	Mark Jordan - PY3SS

On 11 Feb 2005 at 1:34, David Willmore wrote:

> > 	Hi Scott,
> > 
> > 	I wrote that code for a client so I guess I shouldn't make 
> > it available, sorry. But I can help you write your own code.
> > 	The fixed point 16-bit math routines I used are available 
> > from Atmel. No need for floating point.
> > 
> > 	Mark Jordan
> > 	PY3SS
> 
> Mark,
> 
> I'd be interested in looking at some of this, too.  I'm currently
> doing some DSP on PICs and will probably be moving to dsPICs before
> long.  I'm finding it surprising how much work can be done with 
> such a small chip. :)
> 
> Cheers,
> David n0ymv
> 







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