Re: [Handhelds] Re: Touch Screen Driver Generic Interface for allLinux SA11x0 platforms.

[Bradley D. LaRonde]

----- Original Message -----
From: "Russ Nelson" <[EMAIL PROTECTED]>
To: <[EMAIL PROTECTED]>; <[EMAIL PROTECTED]>
Sent: Tuesday, July 11, 2000 5:35 PM
Subject: Re: [Handhelds] Re: Touch Screen Driver Generic Interface for
allLinux SA11x0 platforms.


> Nicolas Pitre writes:
>  > > Agreed.  Yet another reason for not munging things in the kernel.
Give
>  > > every point to userspace so that all timing is known.
>  >
>  > You won't have reliable time stamping in user space.  This has to be
done
>  > at the interrupt level.
>
> Some people are assuming that the digitizer is spitting out points at
> a constant interval.  Others are assuming that the digitizer is only
> spitting out deltas.

Yup, I'm a constant interval assumer.  :-)

To all:  is that safe to assume?  Is there touch panel hardware out there
that won't do this?

Regards,
Brad


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