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palmax - Palmax (TR88L803) touchscreen driver
Option "Device" "devpath"
palmax is an Xorg input driver for the Palmax PD1000/PD1100
The palmax driver functions as a pointer input device, and is normally
used as the X server's core pointer. It supports positioning and mouse buttons
using the touchscreen display and lid buttons on the Palmax machines.
Palmax PD1000, Palmax PD1100. In theory also any other system using
a TR88L803 wired to a serial port.
Please refer to
for general configuration details and for options that can
be used with all input drivers. This section only covers configuration
details specific to this driver.
The following driver options are supported
The driver has been tested on the
Palmax systems, the defaults reflect the Palmax hardware and should work
out of the box. No testing has been done on other systems using the same
- Option "MinX" "integer"
- Set the left hand X value from the touchscreen,
- Option "MaxX" "integer"
- Set the right hand X value from
the touchscreen, for calibration.
- Option "MinY" "integer"
- Set the top Y
value from the touchscreen, for calibration.
- Option "MaxY" "integer"
the bottom Y value from the touchscreen, for calibration.
- Option "Screen"
- The screen to attach to the touchscreen when running with multiple
screens. The default is screen 0.
- Option "Device" "string"
- The serial port
that is attached to the touchscreen interface. On the Palmax PD1000 and
PD1100 this is ttyS0.
- Option "DeviceName" "string"
- Set the X11 device name
for the touchscreen. This defaults to TOUCHSCREEN.
- Option "PortraitMode"
- Set the display orientation. The default is "landscape" but you
can rotate the screen clockwise ("portrait") or anticlockwise ("portraitCCW").
- Option "SwapXY" "boolean"
- Swap the X and Y values on the display. The default
- Option "TapButton" "boolean"
- Set the touchscreen tap to act as
mouse button 1. This allows single handed operation except when using the
menu buttons. The default is false.
Support for a double-tap menu button option would be nice.
smoothing algorithm would benefit from real mathematics.
Xorg needs a nice
Authors include... Alan Cox
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