Re: [avrdude-dev] Add CRC to transfers?

[Gary Spivey]

Thanks a bunch. That will get us going. Further notifications as events
warrant ;-)

-Gary


On Tuesday, April28, 2009 9:14 PM, "Joerg Wunsch" <address@hidden>
wrote:

> As Gary Spivey wrote:
> 
>> > Well, we can take a stab at it ... is there any documentation that
>> > would walk us through the steps of making a new programmer? As in -
>> > copy the stk500v2 file, change one line in a grammar file, ...
> 
> Not really, but it's essentially a copy&paste job.
> 
> However, you know that the STK500v2 protocol already features a simple
> (XOR across all bytes of a packet) checksum, do you?  The JTAG ICE
> mkII protocol even has a full CRC implementation.  So if you want, you
> could perhaps use that protocol inside your bootloader.
> 
> --
> cheers, J"org               .-.-.   --... ...--   -.. .  DL8DTL
> 
> http://www.sax.de/~joerg/                        NIC: JW11-RIPE
> Never trust an operating system you don't have sources for. ;-)
> 
> 
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