Lpc2000

Solved!!! using IAR Technical Note 91733

The CRC16 check value is working!!!



--- In lpc2000@yahoogroups.com, "carlosahsilva" <carlosahsilva@t...> 
wrote:
>
> The help says it is a sum, but I found an apllication note and a 
> sample of CRC checksum in the IAR suport page, I am testing it now
>  
> --- In lpc2000@yahoogroups.com, Robert Adsett <subscriptions@a...> 
> wrote:
> >
> > At 08:30 PM 1/10/06 +0000, carlosahsilva wrote:
> > >I have made some tests on the Program CheckSum generated by IAR
> > >compiler and there is realy something fish.
> > <snip>
> > 
> > >    for (long byte = 0; byte < 0x00037FFF-0x00000000; byte++) {
> > >      // Read a byte and sum it
> > >      ValCheckSum += *pby;
> > >      // Increment pointer
> > >      pby++;
> > >    }
> > 
> > Just a thought, are you sure they are using addition for the 
> > checksum.  Not, say, xor?
> > 
> > Robert
> > 
> > " 'Freedom' has no meaning of itself.  There are always 
> restrictions,   be 
> > they legal, genetic, or physical.  If you don't believe me, try 
to 
> chew a 
> > radio signal. "  -- Kelvin Throop, III
> > http://www.aeolusdevelopment.com/
> >
>