[dorkbotpdx-blabber] Going Over to the Dark Side

[John Luciani]

On Thu, Apr 2, 2009 at 10:07 AM, Paul Stoffregen <paul at pjrc.com> wrote:
>
> I would be really curious how the performance compares, between the 12
> Mbit/sec hardware-based USB and the 1.5 Mbit/sec software emulated USB.
>  Maybe USB scheduling latencies dominate either way, due to the protocol
> used?

The speed hasn't been an issue for me. For the ATmega168s I call avrdude
with a bit clock of 1uS. The downloads are quick enough for 168s or 328s. I had
some problems with too fast a bit clock on some chips.

What was a problem was the bit-banged USB interface wasn't always
recognized on my Linux box. I do not know if this was a driver issue
or something else in the Linux version I am using. The AVR ISPMKII
just worked.

(* jcl *)


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You can't create open hardware with closed EDA tools.

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