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Re: [avrdude-dev] Re: program error?
From: |
Alex Shepherd |
Subject: |
Re: [avrdude-dev] Re: program error? |
Date: |
Wed, 2 Apr 2003 12:00:09 +1200 |
> Could be. What part in specific are you trying to program, Alex?
> Just for sanity's sake, lets first lets double check the various time
> related parameters associated with the part (chip_erase_delay and
> min/max_write_delay for the flash memory).
I'm using a Mega8
> For now, please double check the values of the chip_erase_delay and
> min/max_write_delay listed in the avrdude.conf config file for the
> part you are using. Or let me know what part it is and I'll check the
> datasheet. You can adjust those values without in the config file and
> they will affect avrdude without having to recompile, which is the
> easiest thing to do.
Yeah I wondered if this was the easy option. I can give it a try.
> Eric mentioned the timing differences between using ioctl() on Unix vs
> in/out instructions on Windows. The in/out instructions are
> undoubtedly faster. It may be possible that these signals are
> changing slightly too fast - not sure about that. Eric - just
> wondering if you might consider placing a short sleep or something
> within a few of the parallel port manipulation functions for the
> Windows port to slow them down a little at the right places, maybe
> make this enabled with a #define so that they can be easily compiled
> out?
Whatever you guys think is best. Adding a few environment variables would
just allow me to experiement with the values - thats all.
Thanks for the effort to get this tool onto Windows!
Alex