I believe we will make tens of thousands of this product. Can't compile each
time. It will work me to death. :)


----- Original Message -----
From: "wouter van ooijen & floortje hanneman" <wf@XS4ALL.NL>
To: <PICLIST@MITVMA.MIT.EDU>
Sent: Thursday, August 16, 2001 2:15 PM
Subject: Re: [PIC]: Generating a "truly" random number on the application of
power


> > My question is: how to generate a "truly" random number on the
application
> > of power. The number should not be determined upon the compilation of
the
> > software, but should be upon the initial powerup of the chip. (Or, it
> should
> > be determine by each individual chip.)
>
> You program each chip, so how about compiling anew for each chip with
> something like -DSERIAL=nnn where you set nnn to for instance increment
for
> each chip? It could all be automated easily (for instance with tcl or
> python) as part of the programming process. Or use programming software
that
> allows you to modify the hex file on the fly from the command line (does
> such programing software exist?).
>
> Wouter van Ooijen
>
> van Ooijen Technische Informatica: http://www.xs4all.nl/~wf/
> Jal compiler for PIC uC's:  http://www.xs4all.nl/~wf/wouter/pic/jal
>
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>

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