Xenarc USB touchscreen for Beagleboard/OMAP3 EVM - Revision history

Bugra: add category beagleboard

2009-05-25T18:10:10Z

add category beagleboard

Dirk: Add category, add some links, improve layout

2009-04-21T16:07:56Z

Add category, add some links, improve layout

Pratheeshg: Xenaarc USB touchscreen for Beagleboard/OMAP3 EVM moved to Xenarc USB touchscreen for Beagleboard/OMAP3 EVM: To match the hardware title

2009-04-21T12:01:06Z

Xenaarc USB touchscreen for Beagleboard/OMAP3 EVM moved to Xenarc USB touchscreen for Beagleboard/OMAP3 EVM: To match the hardware title

Pratheeshg at 11:47, 21 April 2009

2009-04-21T11:47:53Z

Pratheeshg at 11:46, 21 April 2009

2009-04-21T11:46:59Z

Pratheeshg at 11:22, 21 April 2009

2009-04-21T11:22:01Z

Pratheeshg at 11:15, 21 April 2009

2009-04-21T11:15:58Z

Pratheeshg at 10:40, 21 April 2009

2009-04-21T10:40:00Z

Pratheeshg at 10:25, 21 April 2009

2009-04-21T10:25:03Z

Pratheeshg at 10:21, 21 April 2009

2009-04-21T10:21:41Z

@@ Line 1: / Line 1: @@
 [[Category: Linux]]
 [[Category: OMAP]]
 [https://www.xenarcdirect.com/product.php?productid=16194 XENARC] is a 7" LCD touchscreen, which takes DVI for digital input and has a USB touchscreen interface. The touchscreen is detected as ''eGalax Inc. USB TouchController''. The below are the steps followed to make touchscreen work with OMAP3 EVM or [[BeagleBoard]] running Angstrom distribution. There are lots of information in the web - this page kind of tries to consolidate the necessary steps.

@@ Line 1: / Line 1: @@
-XENARC is a 7" LCD touchscreen (https://www.xenarcdirect.com/product.php?productid=16194), which takes DVI for digital input and has a USB touchscreen interface. The touchscreen is detected as ''eGalax Inc. USB TouchController''. The below are the steps followed to make touchscreen work with OMAP3 EVM or Beagleboard running Angstrom distribution. There are lots of information in the web - this page kind of tries to consolidate the necessary steps.
+[[Category: Linux]]
-(1)   Enable HID, USB HID and EVDEV support in linux kernel
+'''(2)'''   Build the evtouch driver(http://www.conan.de/touchscreen/evtouch.html) for X.org – if you are using OE just create
-−
 (2)   Build the evtouch driver(http://www.conan.de/touchscreen/evtouch.html) for X.org – if you are using OE just create
 xf86-input-evtouch_0.8.8.bb file in openembedded/packages/xorg-driver folder as shown below and do a bitbake –b  xf86-input-evtouch_0.8.8
@@ Line 25: / Line 26: @@
 </pre>
-)    Copy the generated binary evdev_drv.so  to /usr/lib/xorg/modules/input/ o
+'''(3)'''    Copy the generated binary evdev_drv.so  to /usr/lib/xorg/modules/input/ o
 r install xf86-input-evtouch_0.8.8-r1.1_armv7a.ipk on your target. ARM binary built for Angstrom can be accessed here, http://elinux.org/upload/4/4a/Xf86-input-evtouch_0.8.8-r1.1_armv7a.ipk
-(4)   Create 69-touchscreen.rules as shown below and copy this to /etc/udev/rules.d/ folder. This is to make sure that touchscreen is always mapped to /dev/input/evtouch_event and even if you detach USB cable during a session. This is important as we are going to hardcode this event in xorg.conf
+'''(4)'''   Create 69-touchscreen.rules as shown below and copy this to /etc/udev/rules.d/ folder. This is to make sure that touchscreen is always mapped to /dev/input/evtouch_event and even if you detach USB cable during a session. This is important as we are going to hardcode this event in xorg.conf
 -touchscreen.rules
@@ Line 35: / Line 36: @@
 </pre>
-(5)   Time to calibrate. calibrator.c is patched (http://elinux.org/upload/5/59/Calibrator.patch) version of calibrator.c (http://www.harbaum.org/till/cnc/cx-t100/calibrator.c). this patch is required because ABS_X and ABS_Y key values are different for this touchscreen. Build calibrator.c. calibrator ARM binary can be accessed here, http://elinux.org/upload/9/97/Calibrator
+'''(5)'''   Time to calibrate. calibrator.c is patched (http://elinux.org/upload/5/59/Calibrator.patch) version of calibrator.c (http://www.harbaum.org/till/cnc/cx-t100/calibrator.c). this patch is required because ABS_X and ABS_Y key values are different for this touchscreen. Build calibrator.c. calibrator ARM binary can be accessed here, http://elinux.org/upload/9/97/Calibrator
-(6)   Do ./calibrator /dev/input/evtouch_event from Xterm and follow the instructions to click four points in the corners. This program will printout Max/Min X/Y values which we need to copy to xorg.conf. '''Please note that you need to disable evtouch driver from xorg.conf during calibration , comment touchscreen section from ServerLayout in xorg.conf (#InputDevice "touchscreen" "SendCoreEvents")'''
+'''(6)'''   Do ./calibrator /dev/input/evtouch_event from Xterm and follow the instructions to click four points in the corners. This program will printout Max/Min X/Y values which we need to copy to xorg.conf. '''Please note that you need to disable evtouch driver from xorg.conf during calibration , comment touchscreen section from ServerLayout in xorg.conf (#InputDevice "touchscreen" "SendCoreEvents")'''
-(7)   Copy paste the Min/Max/X/Y values output by calibrator to xorg.conf, important sections in xorg.conf looks as shown below
+'''(7)'''   Copy paste the Min/Max/X/Y values output by calibrator to xorg.conf, important sections in xorg.conf looks as shown below
 <pre>
@@ Line 66: / Line 67: @@
 </pre>
-(8)   Restart X and that’s about it.
+'''(8)'''   Restart X and that’s about it.

← Older revision		Revision as of 11:47, 21 April 2009
Line 1:		Line 1:
−	~~XENAARC~~ is a 7" LCD touchscreen (https://www.xenarcdirect.com/product.php?productid=16194), which takes DVI for digital input and has a USB touchscreen interface. The touchscreen is detected as ''eGalax Inc. USB TouchController''. The below are the steps followed to make touchscreen work with OMAP3 EVM or Beagleboard running Angstrom distribution. There are lots of information in the web - this page kind of tries to consolidate the necessary steps.	+	XENARC is a 7" LCD touchscreen (https://www.xenarcdirect.com/product.php?productid=16194), which takes DVI for digital input and has a USB touchscreen interface. The touchscreen is detected as ''eGalax Inc. USB TouchController''. The below are the steps followed to make touchscreen work with OMAP3 EVM or Beagleboard running Angstrom distribution. There are lots of information in the web - this page kind of tries to consolidate the necessary steps.

← Older revision		Revision as of 11:46, 21 April 2009
Line 66:		Line 66:
	</pre>		</pre>

−	(6) Restart X and that’s about it.	+	(8) Restart X and that’s about it.

@@ Line 35: / Line 35: @@
 </pre>
-(5)   Time to calibrate. calibrator.c is patched (http://elinux.org/upload/5/59/Calibrator.patch) version of calibrator.c (http://www.harbaum.org/till/cnc/cx-t100/calibrator.c). this patch is required because ABS_X and ABS_Y key values are different for this touchscreen. Build calibrator.c. calibrator ARM binary cane be accessed here, http://elinux.org/upload/9/97/Calibrator
+(5)   Time to calibrate. calibrator.c is patched (http://elinux.org/upload/5/59/Calibrator.patch) version of calibrator.c (http://www.harbaum.org/till/cnc/cx-t100/calibrator.c). this patch is required because ABS_X and ABS_Y key values are different for this touchscreen. Build calibrator.c. calibrator ARM binary can be accessed here, http://elinux.org/upload/9/97/Calibrator
 (6)   Do ./calibrator /dev/input/evtouch_event from Xterm and follow the instructions to click four points in the corners. This program will printout Max/Min X/Y values which we need to copy to xorg.conf. '''Please note that you need to disable evtouch driver from xorg.conf during calibration , comment touchscreen section from ServerLayout in xorg.conf (#InputDevice "touchscreen" "SendCoreEvents")'''

@@ Line 1: / Line 1: @@
-XENAARC is a 7" LCD touchscreen (https://www.xenarcdirect.com/product.php?productid=16194), which takes DVI for digital input and USB touchscreen interface. The below are the steps followed to make touchscreen work with OMAP3 EVM or Beagleboard running Angstrom distribution. There are lots of information in the web - this page kind of tries to consolidate the necessary steps.
+XENAARC is a 7" LCD touchscreen (https://www.xenarcdirect.com/product.php?productid=16194), which takes DVI for digital input and has a USB touchscreen interface. The touchscreen is detected as ''eGalax Inc. USB TouchController''. The below are the steps followed to make touchscreen work with OMAP3 EVM or Beagleboard running Angstrom distribution. There are lots of information in the web - this page kind of tries to consolidate the necessary steps.
-(1)     Enable EVDEV support in linux kernel
+(1)   Enable HID, USB HID and EVDEV support in linux kernel
-(2)     Build the evtouch driver(http://www.conan.de/touchscreen/evtouch.html) for X.org – if you are using OE just create xf86-input-evtouch_0.8.8.bb file in openembedded\packages\xorg-driver folder as shown below and do a bitbake –b  xf86-input-evtouch_0.8.8
+(2)   Build the evtouch driver(http://www.conan.de/touchscreen/evtouch.html) for X.org – if you are using OE just create
-openembedded\packages\xorg-driver\xf86-input-evtouch_0.8.8.bb
+openembedded/packages/xorg-driver/xf86-input-evtouch_0.8.8.bb
 require xorg-driver-input.inc
 DESCRIPTION = "X.Org X server -- evtouch input driver"
@@ Line 13: / Line 15: @@
 SRC_URI = "http://www.conan.de/touchscreen/xf86-input-evtouch-0.8.8.tar.bz2 \
+"
-(3)     Copy the generated binary evdev_drv.so  to /usr/lib/xorg/modules/input/ or install xf86-input-evtouch_0.8.8-r1.1_armv7a.ipk on your target
+You might also need to update openembedded/conf/checksums.ini
-(4)     Copy 69-touchscreen.rules to /etc/udev/rules.d/ folder, this will make sure that touchscreen is always mapped to /dev/input/evtouch_event and even if you detach USB cable during a session. This is important as we are going to hardcode this event in xorg.conf
+<pre>
--touchscreen.rules
+)    Copy the generated binary evdev_drv.so  to /usr/lib/xorg/modules/input/ o
 KERNEL=="event*", SUBSYSTEM=="input", SYSFS{idVendor}=="0eef", SYSFS{idProduct}=="0001", SYMLINK+="input/evtouch_event"
-(5)     Time to calibrate. calibrator.c is patched version of (http://www.harbaum.org/till/cnc/cx-t100/calibrator.c). Some changes are needed because ABS_X and ABS_Y key values are different for our touchscreen. Build calibrator.c. Then do ./calibrator /dev/input/evtouch_event from Xterm and follow the instructions to click four points in the corners. This program will printout Max/Min X/Y values which we need to copy to xorg.conf. '''Please note that you need to disable evtouch driver from xorg.conf during calibration , comment touchscreen section from ServerLayout in xorg.conf (#InputDevice "touchscreen" "SendCoreEvents")'''
+(6)   Do ./calibrator /dev/input/evtouch_event from Xterm and follow the instructions to click four points in the corners. This program will printout Max/Min X/Y values which we need to copy to xorg.conf. '''Please note that you need to disable evtouch driver from xorg.conf during calibration , comment touchscreen section from ServerLayout in xorg.conf (#InputDevice "touchscreen" "SendCoreEvents")'''
---- calibrator.c.orig	2009-04-21 15:58:21.000000000 +0530
+(7)   Copy paste the Min/Max/X/Y values output by calibrator to xorg.conf, important sections in xorg.conf looks as shown below
-+++ calibrator.c	2009-04-17 21:42:54.000000000 +0530
-@@ -31,8 +31,11 @@ struct input_event {
- #define EV_ABS			0x03
-−
- /* codes */
--#define ABS_X			0x00
--#define ABS_Y			0x01
-+//#define ABS_X			0x00
-+//#define ABS_Y			0x01
-+#define ABS_X			0x02
-+#define ABS_Y			0x03
-−
- #define SYN_REPORT		0
- #define BTN_LEFT		0x110
- #define BTN_RIGHT		0x111
-@@ -40,7 +43,7 @@ struct input_event {
-−
- /*****************************************************************************/
- /* some constants */
--#define FONT_NAME		"9x15"
-+#define FONT_NAME		"6x13" //"9x15"
- #define IDLETIMEOUT		15
- #define BLINKPERD		0.16
-−
-−
-(5)     Copy paste the Min/Max/X/Y values output by calibrator to xorg.conf, important sections in xorg.conf looks as shown below
 Section "InputDevice"
              Identifier "touchscreen"
@@ Line 75: / Line 64: @@
          InputDevice "touchscreen" "SendCoreEvents"
 EndSection
+</pre>
-(6)     Restart X and that’s about it.
+(6)   Restart X and that’s about it.

@@ Line 23: / Line 23: @@
-(5)     Time to calibrate. calibrator.c is patched version of (http://www.harbaum.org/till/cnc/cx-t100/calibrator.c). Some changes are needed because ABS_X and ABS_Y key values are different for our touchscreen. Build calibrator.c. Then do ./calibrator /dev/input/evtouch_event from Xterm and follow the instructions to click four points in the corners. bold "This program will printout Max/Min X/Y values which we need to copy to xorg.conf. Please note that you need to disable evtouch driver from xorg.conf during calibration , comment touchscreen section from ServerLayout in xorg.conf (#InputDevice "touchscreen" "SendCoreEvents")"
+(5)     Time to calibrate. calibrator.c is patched version of (http://www.harbaum.org/till/cnc/cx-t100/calibrator.c). Some changes are needed because ABS_X and ABS_Y key values are different for our touchscreen. Build calibrator.c. Then do ./calibrator /dev/input/evtouch_event from Xterm and follow the instructions to click four points in the corners. bold "This program will printout Max/Min X/Y values which we need to copy to xorg.conf. '''Please note that you need to disable evtouch driver from xorg.conf during calibration , comment touchscreen section from ServerLayout in xorg.conf (#InputDevice "touchscreen" "SendCoreEvents")'''
-(5)     Copy paste the values output by calibrator to xorg.conf
+(5)     Copy paste the values output by calibrator to xorg.conf, important sections in xorg.conf looks as shown below
 Section "InputDevice"

@@ Line 28: / Line 28: @@
 Section "InputDevice"
              Identifier "touchscreen"
              Driver "evtouch"
              Option "Device" "/dev/input/evtouch_event"
              Option "DeviceName" "touchscreen"
              Option "MinX" "274"
              Option "MinY" "281"
              Option "MaxX" "3839"
              Option "MaxY" "3883"
              Option "ReportingMode" "Raw"
              Option "Emulate3Buttons"
              Option "Emulate3Timeout" "50"
              Option "SendCoreEvents" "On"
              Option "Rotate" "CCW"
              Option "SwapY" "1"
 EndSection
 Section "ServerLayout"
          Identifier      "Builtin Default Layout"
          Screen  "Builtin Default fbdev Screen 0"
          InputDevice "touchscreen" "SendCoreEvents"
 EndSection
 (6)     Restart X and that’s about it.