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service:hardware:appnote:connect5wiretouch

Connect a 5-Wire Touch Panel to the Trizeps 4-wire Touch Controller

Driver with 4-wire and 5-wire functionality for WINCE 6.0 Trizeps-IV Series: ucb_touch.zip

Set Registry Keys to set 5-Wire Mode:

[HKEY_LOCAL_MACHINE\HARDWARE\DEVICEMAP\TOUCH]
    "CalibrationPoints"=dword:5 ; 5 or 13 (0d) pts  (5=default)
    "FiveWire"=dword:1          ; Fivewire: TSMX=Input TSPX=TL, TSPY=TR, GND=BL, TSMY=BR,
    "PressureL"=dword:0c        ; default value for 5-wire. 
    "PressureH"=dword:1F        ; default value for 5-wire. 

;!!! Note pressure measurement result is much lower than in 4-wire mode !!!
;!!! Be sure that codec offset values do not conflict with your settings!!!

If 5 Calibrationpoints are selected: The Calibration Points are (in display-resolution percent x, percent y )

For lower than VGA:  1) 50,50, 2) 10,10, 3) 10,90, 4) 90,90, 5) 90,10
VGA or higher     :  1) 50,50, 2) 20,20, 3) 20,80, 4) 80,80, 5) 80,20

If 13 Calibration Points are selected: The Calibration Points are (in display-resolution percent x, percent y )

All Displays       :  1) 50,50,  2) 25,25,  3) 25,75,  4) 75,75,  5) 75,25,
                      6) 05,05,  7) 05,50,  8) 05,95,  9) 50,95, 10) 95,95,
                     11) 95,50, 12) 95,05, 13) 50,05

To use this driver:

1) add the new registry keys to your platform.reg
2) copy it to your BSP binary folder: %_PLATFORMROOT%\%_TGTPLAT%\binary\target\ARMV4I\retail (and ,,,\debug)
3) copy it to %_FLATRELEASEDIR% or build current BSP
4) and rebuild your image.

To get the environment path-variables you can open a command window from VS2005 with ' 'Build/Open Releasedirectory in Build Window' ' and get the variable values by entering ' 'set _FLATRELEASEDIR' ' for instance.

See Also

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service/hardware/appnote/connect5wiretouch.txt · Zuletzt geändert: 2011/06/08 12:42 von