nanogui: Calibration
Subject:
Re: [nanogui] calibration
From:
Jordan Crouse ####@####.####
Date:
16 Aug 2001 19:50:26 -0000
Message-Id: <01081613392502.02056@cosmic>
On the Ipaq, much of the calibration is handled by the kernel driver and the
touchscreen hardware. You simply determine the minimum and maximum values
for both x and y and pass them to the kernel. Check www.handhelds.org for a
few Ipaq calibrators.
Jordan
On Thursday 16 August 2001 07:47, victor mentioned:
> Hi,
> I am now using mou_ipaq driver for my touch screen. But I can't access
> some part on the side of my microwindow, and I think I need to do the
> calibration. But in the mou_ipaq.c, I don't see a function to read in
> the value-file after calibration like /etc/pointercal. Nor did the file
> include some transformation function. Do you know how should I do the
> calibration with this??
> The calibration program I use is tpcal and it returns 7 numbers.
>
> thank you
>
> Vic
>
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