mChip, your distributor, and the Promate software can all serialize your
chips as they are burned.

Bob Ammerman
RAm Systems
(contract development of high performance, high function, low-level
software)


----- Original Message -----
From: "Tony Pan" <weidong.pan@VERIZON.NET>
To: <PICLIST@MITVMA.MIT.EDU>
Sent: Thursday, August 16, 2001 2:32 PM
Subject: Re: [PIC]: Generating a "truly" random number on the application of
power


> 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
> >
> > --
> > http://www.piclist.com hint: The list server can filter out subtopics
> > (like ads or off topics) for you. See http://www.piclist.com/#topics
> >
> >
>
> --
> http://www.piclist.com hint: The list server can filter out subtopics
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>
>

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