Alan B. Pearce wrote:
>
> Roman
> I cannot remember if you said there was more than one packet, but what you could
> do is use the two bits in each packet combined together to make a hamming code
> across a number of packets. If you had 10 packets in the message this would give
> you 20 bits across the message.
>
> The number of bits required does not grow as fast as the number of bits you are
> protecting, as in by adding one bit of protection you can protect twice as many
> bits.
>
> Doing this you may be able to get to the point where you can detect (and maybe
> correct) 1 bit errors across the message.


That's very clever! I like that.
It's going to take a bit of thinking, my
data is stored in external eeprom and can only
load it to ram in 64byte chunks max, but I may be
able to do some pre-processing.
Thanks!:o)
-Roman

--
http://www.piclist.com hint: PICList Posts must start with ONE topic:
[PIC]:,[SX]:,[AVR]: ->uP ONLY! [EE]:,[OT]: ->Other [BUY]:,[AD]: ->Ads