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TPCTL(8)		  BSD System Manager's Manual		      TPCTL(8)

NAME
     tpctl — touch panel calibration utility

SYNOPSIS
     tpctl [-D dispdevname] [-d devname] [-f filename] [-hnuv]

DESCRIPTION
     tpctl is a touch panel calibration utility.  tpctl calibrates a touch
     panel and saves and restores the calibration parameters into/from a
     parameter database file.

     Available command-line flags are:
     -D dispdevname   Specify display device name.
     -d devname	      Specify touch panel device name.
     -f filename      Specify alternate parameter database file name.
     -h		      Print brief description.
     -n		      Do not change the parameter database file.
     -u		      Force calibration.  Without this flag, tpctl won't do
		      calibration if the database file already contains param‐
		      eters for the touch panel.
     -v		      Verbose mode.

     You calibrate the touch panel the first time you run tpctl.  If you see a
     cross cursor on the screen, you should tap the center of the cursor to
     calibrate the touch panel, or you can abort the calibration with the
     ‘ESC’ key.	 Five cursors will appear on the screen in turn.  Once cali‐
     bration is done, tpctl saves the calibration parameters into the database
     file and uses the saved parameters to calibrate the touch panel.

     You can run tpctl automatically with /etc/rc.d/tpctl.

FILES
     /etc/tpctl.dat  The default calibration parameter database file.  The -f
		     flag may be used to specify an alternate database file
		     name.  tpctl will create an empty database file if it
		     doesn't exist.
     /dev/ttyE0	     The default display device, which is used to display the
		     cursor during calibration.	 The -D flag may be used to
		     specify an alternate display device name.	The display
		     device must provide the ‘hpcfb’ interface as defined in
		     /usr/include/dev/hpc/hpcfbio.h.
     /dev/wsmux0     The default touch panel device.  The -d flag may be used
		     to specify an alternate touch panel device name.

SEE ALSO
     rc.conf(5)

BUGS
     tpctl isn't available on all ports because it requires a display device
     which provides the ‘hpcfb’ interface.

BSD				August 25, 2002				   BSD

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