AVR-Chat

--- In AVR-Chat@yahoogroups.com, "Dave VanHorn" <microbrix@...> wrote:
>
> > Why re-invent the wheel?
>
> :)  I need a slightly differently shaped wheel.
>
> Source in ASM, and I need to talk to a linux embedded system, so PC
> apps that speak odd protocols won't work. So I'm doing xmodem protocol
> since we can get command line utils in linux to send the file.
>

Like Dave Hylands I prefer to use print statements if I need them. I
usually start from a known place and then incrementally update and add
to the code, testing as I go. Each increment is small and I always have
working code at hand. It helps to have an overall plan so you know where
you are going and don't leave all of the "hard stuff" to the end. If you
break up the hard struff into small enough chunks, it isn't so hard
anymore. A local CVS server can be useful for keeping track of the code
levels as you make changes.

You may have found this already. Piconomic Design already have an
ATmega128 bootloader that uses the xmodem protocol - see
http://www.piconomic.co.za/download/avr_bootloader_4.zip
<http://www.piconomic.co.za/download/avr_bootloader_4.zip>  . The source
is shipped under the "Modified BSD" open source license which is not too
restrictive.

Mike
oakmicros.com <http://oakmicros.com/>
AVR, BasicX and ZBasic Microcontrollers



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