RE: Re: xAP switch

[Kevin Hawkins]

I was thinking a little more about this - I think it's the 100%
predictability as well - there is no possible situation where some devices
interpret it as short and some as long in borderline situations.

K

> -----Original Message-----
> From: Patrick Lidstone [mailto:<a
href="/group/xAP_developer/post?postID=YXCZHhcPmGdROi1Cng1lDRUsCcUIyhgej3sN8udn4pVAOhsARdnNOzebhVy1I1amduKrQEUx4poZJw">patrick@l...</a>]
> Sent: 18 April 2003 11:58
> To: <a
href="/group/xAP_developer/post?postID=Cjqk_75vMnrQGDRETxYjkFlbSLMdyZP78UWK0E-ntc1zDX6K7vjwWURqeQko88GrCnw2y2H8aHwh0em0c4gfZRr_uOfbQw">xAP_developer@xxxxxxx</a>
> Subject: [xAP_developer] Re: xAP switch
>
> --- In <a
href="/group/xAP_developer/post?postID=Cjqk_75vMnrQGDRETxYjkFlbSLMdyZP78UWK0E-ntc1zDX6K7vjwWURqeQko88GrCnw2y2H8aHwh0em0c4gfZRr_uOfbQw">xAP_developer@xxxxxxx</a>,
"Paul Gordon"
> <paul_gordon@h...> wrote:
> > Hi Kev,
> >
> > Yeah, I appreciate the need to differentiate, I was just curious
as
> to why
> > its necessary to use any more than two events or two states to do
> so...
> > Think of the way a PC keyboard operates, - there is a key down
> event
> > generated when a key is pressed, and a key up event generated
when
> it's
> > released.. - the time duration between these two events is how
long
> it's
> > held down for, - thus enabling a short press or a long press to
be
> > deduced...
> >
> > Not that it matters though, I was just curious on a purely
> intellectual
> > level... :-)
> >
>
> I think it's probably just a design tradeoff. It's easier/cheaper to
> detect a long vs short push at source than to insist all receiving
> devices have built-in timer/intelligence to decode the third state.
>
> Patrick
>
>
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