At 11:33 AM 3/30/2004 -0500, you wrote:
>At 10:20 AM 3/30/2004 -0600, Matt Pobursky wrote:
>
> >On Tue, 30 Mar 2004 10:38:52 -0500, David VanHorn wrote:
> >> I've not found the busy flag on LCDs to be very reliable. Some work,
> >> some don't. Maybe I just got lucky.. :)
> >
> >That's interesting. I do a fair bit of consulting work with several LCD
> >manufacturers. I've used probably 100+ different character LCD models
> >in products and testing and never experienced a single Busy Flag issue.
>
>Like I said, Maybe I just got lucky.
>
>Anyway, I try to avoid things that require "sit and spin" delays in the
>millisecond range.

What do you do about EEPROMs? I find that good design can avoid problems
with such delays, you just have to use buffers and interrupts and flags
to good advantage. And interrupt-driven timeouts in some cases.

Best regards,

Spehro Pefhany --"it's the network..."            "The Journey is the reward"
speff@interlog.com             Info for manufacturers: http://www.trexon.com
Embedded software/hardware/analog  Info for designers:  http://www.speff.com

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