URL: https://linuxfr.org/forums/linux-gui/posts/touchscreen-et-xorg
Title: Touchscreen et Xorg
Authors: Doude
Date: 2008年04月30日T18:02:14+02:00
Tags: debian
Score: 0
Bonjour, 
Je viens de récupérer un Panasonic CF-30 Toughbook qui est équipé d'un écran tactile. Après quelques recherche sur le net, j'ai trouvé ce site : 
[http://www.conan.de/touchscreen/evtouch.html](http://www.conan.de/touchscreen/evtouch.html) . J'ai suivi les instructions de ce site pour l'installation du driver evtouch. 
X se lance bien et l'écran réagit bien quand on le touche mais le curseur de la souris n'est pas bien calibré. J'ai donc cherché à calibrer tout ça. Dans le package evtouch, il y a un script qui permet de faire e calibrage, le problème c'est n'arrive pas lancer X et donc pas moyen de faire le calibrage. Voila ce que me renvois X lorsque le script essaye de le lancer : 
 
 
 (**) Option "Device" "/dev/input/event0" 
 (II) intel(0): [drm] removed 1 reserved context for kernel 
 (II) intel(0): [drm] unmapping 8192 bytes of SAREA 0xf8acb000 at 0xb7b0c000 
 (EE) intel(0): I830 Vblank Pipe Setup Failed 0 
 (EE) intel(0): I830 Vblank Pipe Setup Failed 0 
 (EE) intel(0): I830 Vblank Pipe Setup Failed 0 
 (II) intel(0): xf86UnbindGARTMemory: unbind key 0 
 (II) intel(0): xf86UnbindGARTMemory: unbind key 1 
 (II) intel(0): xf86UnbindGARTMemory: unbind key 2 
 (II) intel(0): xf86UnbindGARTMemory: unbind key 3 
 (II) intel(0): xf86UnbindGARTMemory: unbind key 4 
 FreeFontPath: FPE "/usr/share/fonts/X11/misc" refcount is 2, should be 1; fixing. 
 
 
Je crois que ce script ne lance pas X avec une syntaxe correcte. 
 
De plus, quand je liste les devices du dossier /dev/input, j'obtient : 
 
 drwxr-xr-x 2 root root 80 avr 30 09:25 by-id 
 drwxr-xr-x 2 root root 140 avr 30 09:25 by-path 
 crw-rw---- 1 root root 13, 64 avr 30 11:25 event0 
 crw-rw---- 1 root root 13, 65 avr 30 11:25 event1 
 crw-rw---- 1 root root 13, 66 avr 30 11:25 event2 
 crw-rw---- 1 root root 13, 67 avr 30 11:25 event3 
 crw-rw---- 1 root root 13, 68 avr 30 11:25 event4 
 crw-rw---- 1 root root 13, 69 avr 30 09:25 event5 
 crw-rw-r-- 1 root root 13, 0 avr 30 09:25 js0 
 crw-rw---- 1 root root 13, 63 avr 30 11:25 mice 
 crw-rw---- 1 root root 13, 32 avr 30 11:25 mouse0 
 crw-rw---- 1 root root 13, 33 avr 30 09:25 mouse1 
 
 
Je ne sais pas lequel utiliser, j'ai donc essayé tout les event mais leur réactions sont identiques sauf pour le event5 qui lui place le curseur en bas à droite lorsque l'on touche l'écran n'importe où. 
 
Voila mon xorg.conf : 
 
 
 
 Section "Files" 
 EndSection 
 
 Section "Module" 
 £spaces£	£/spaces£#load	"GLcore" 
 £spaces£	£/spaces£Load "bitmap" 
 £spaces£	£/spaces£Load "dbe" 
 £spaces£	£/spaces£Load "ddc" 
 £spaces£	£/spaces£Load	"dri" 
 £spaces£	£/spaces£Load "extmod" 
 £spaces£	£/spaces£Load "freetype" 
 £spaces£	£/spaces£Load "glx" 
 £spaces£	£/spaces£Load "int10" 
 £spaces£	£/spaces£Load "record" 
 #	Load "type1" 
 £spaces£	£/spaces£Load "vbe" 
 EndSection 
 
 Section "InputDevice" 
 £spaces£	£/spaces£Identifier	"Generic Keyboard" 
 £spaces£	£/spaces£Driver		"kbd" 
 £spaces£	£/spaces£Option		"CoreKeyboard" 
 £spaces£	£/spaces£Option		"XkbRules"	"xorg" 
 £spaces£	£/spaces£Option		"XkbModel"	"pc105" 
 £spaces£	£/spaces£Option		"XkbLayout"	"fr" 
 £spaces£	£/spaces£Option		"XkbVariant"	"latin9" 
 EndSection 
 
 Section "InputDevice" 
 £spaces£	£/spaces£Identifier	"Configured Mouse" 
 £spaces£	£/spaces£Driver		"mouse" 
 £spaces£	£/spaces£Option		"CorePointer" 
 #	Option		"Device"		"/dev/input/mouse0" 
 £spaces£	£/spaces£Option		"Device"		"/dev/input/mice" 
 £spaces£	£/spaces£Option		"Protocol"		"ImPS/2" 
 £spaces£	£/spaces£Option		"Emulate3Buttons"	"true" 
 EndSection 
 
 Section "InputDevice" 
 £spaces£	£/spaces£Identifier	"Synaptics Touchpad" 
 £spaces£	£/spaces£Driver		"synaptics" 
 £spaces£	£/spaces£Option		"SendCoreEvents"	"true" 
 £spaces£	£/spaces£Option		"Device"		"/dev/psaux" 
 £spaces£	£/spaces£Option		"Protocol"		"auto-dev" 
 £spaces£	£/spaces£Option		"HorizScrollDelta"	"0" 
 EndSection 
 
 Section "Device" 
 £spaces£	£/spaces£Identifier	"Intel Mobile 945GM/GMS, 943/940GML Express" 
 #	Driver		"vesa" 
 £spaces£	£/spaces£Driver		"intel" 
 £spaces£	£/spaces£BusID		"PCI:0:2:0" 
 #	Option "AllowGLXWithComposite" "true" 
 EndSection 
 
 Section "Monitor" 
 £spaces£	£/spaces£Identifier	"Écran générique" 
 £spaces£	£/spaces£Option		"DPMS" 
 EndSection 
 
 Section "Screen" 
 £spaces£	£/spaces£Identifier	"Default Screen" 
 £spaces£	£/spaces£Device		"Intel Mobile 945GM/GMS, 943/940GML Express" 
 £spaces£	£/spaces£Monitor		"Écran générique" 
 £spaces£	£/spaces£DefaultDepth	24 
 #	Option "AddARGBGLXVisuals" "True" 
 £spaces£	£/spaces£SubSection "Display" 
 £spaces£		£/spaces£Modes		"1280x768" "1200x800" "1152x864" "1152x768" "1024x768" "800x600" 
 £spaces£	£/spaces£EndSubSection 
 EndSection 
 
 Section "InputDevice" 
 £spaces£ £/spaces£Identifier "touchscreen" 
 £spaces£ £/spaces£Driver "evtouch" 
 £spaces£ £/spaces£Option "Device" "/dev/input/event0" 
 £spaces£ £/spaces£Option "DeviceName" "touchscreen" 
 £spaces£ £/spaces£Option "MinX" "98" 
 £spaces£ £/spaces£Option "MinY" "43" 
 £spaces£ £/spaces£Option "MaxX" "940" 
 £spaces£ £/spaces£Option "MaxY" "925" 
 £spaces£ £/spaces£Option "ReportingMode" "Raw" 
 £spaces£ £/spaces£Option "Emulate3Buttons" 
 £spaces£ £/spaces£Option "Emulate3Timeout" "50" 
 £spaces£ £/spaces£Option "SendCoreEvents" "On" 
 EndSection 
 
 Section "InputDevice" 
 £spaces£ £/spaces£Identifier "dummy" 
 £spaces£ £/spaces£Driver "void" 
 £spaces£ £/spaces£Option "Device" "/dev/input/mice" 
 EndSection 
 
 Section "DRI" 
 £spaces£	£/spaces£Mode 0666 
 EndSection 
 
 Section "Extensions" 
 £spaces£ £/spaces£Option "Composite" "Enable" 
 EndSection 
 
 
 Section "ServerLayout" 
 £spaces£	£/spaces£Identifier	"Default Layout" 
 £spaces£	£/spaces£Screen		"Default Screen" 
 £spaces£	£/spaces£InputDevice	"Generic Keyboard" 
 £spaces£	£/spaces£InputDevice	"Configured Mouse" 
 £spaces£	£/spaces£InputDevice	"Synaptics Touchpad" 
 £spaces£	£/spaces£InputDevice 	"touchscreen" "CorePointer" 
 £spaces£	£/spaces£InputDevice	"dummy" 
 EndSection 
 
 
Je ne vois pas très bien quel est le problème. Je crois qu'il a aussi un soucis avec le touchpad (pourtant il semble bien fonctionner) car dans le log de X, je retrouve cette erreur : 
 
 (EE) Synaptics Touchpad no synaptics touchpad detected and no repeater device 
 (EE) Synaptics Touchpad Unable to query/initialize Synaptics hardware. 
 (EE) PreInit failed for input device "Synaptics Touchpad" 
 
 
Voila un ptit lspci : 
 
 
 00:00.0 Host bridge: Intel Corporation Mobile 945GM/PM/GMS, 943/940GML and 945GT Express Memory Controller Hub (rev 03) 
 00:02.0 VGA compatible controller: Intel Corporation Mobile 945GM/GMS, 943/940GML Express Integrated Graphics Controller (rev 03) 
 00:02.1 Display controller: Intel Corporation Mobile 945GM/GMS/GME, 943/940GML Express Integrated Graphics Controller (rev 03) 
 00:1b.0 Audio device: Intel Corporation 82801G (ICH7 Family) High Definition Audio Controller (rev 02) 
 00:1c.0 PCI bridge: Intel Corporation 82801G (ICH7 Family) PCI Express Port 4 (rev 02) 
 00:1c.1 PCI bridge: Intel Corporation 82801G (ICH7 Family) PCI Express Port 2 (rev 02) 
 00:1c.2 PCI bridge: Intel Corporation 82801G (ICH7 Family) PCI Express Port 3 (rev 02) 
 00:1c.3 PCI bridge: Intel Corporation 82801G (ICH7 Family) PCI Express Port 1 (rev 02) 
 00:1d.0 USB Controller: Intel Corporation 82801G (ICH7 Family) USB UHCI Controller #1 (rev 02) 
 00:1d.1 USB Controller: Intel Corporation 82801G (ICH7 Family) USB UHCI Controller #2 (rev 02) 
 00:1d.2 USB Controller: Intel Corporation 82801G (ICH7 Family) USB UHCI Controller #3 (rev 02) 
 00:1d.3 USB Controller: Intel Corporation 82801G (ICH7 Family) USB UHCI Controller #4 (rev 02) 
 00:1d.7 USB Controller: Intel Corporation 82801G (ICH7 Family) USB2 EHCI Controller (rev 02) 
 00:1e.0 PCI bridge: Intel Corporation 82801 Mobile PCI Bridge (rev e2) 
 00:1f.0 ISA bridge: Intel Corporation 82801GBM (ICH7-M) LPC Interface Bridge (rev 02) 
 00:1f.1 IDE interface: Intel Corporation 82801G (ICH7 Family) IDE Controller (rev 02) 
 00:1f.2 SATA controller: Intel Corporation 82801GBM/GHM (ICH7 Family) SATA AHCI Controller (rev 02) 
 00:1f.3 SMBus: Intel Corporation 82801G (ICH7 Family) SMBus Controller (rev 02) 
 0b:00.0 Network controller: Intel Corporation PRO/Wireless 3945ABG Network Connection (rev 02) 
 0c:00.0 Ethernet controller: Marvell Technology Group Ltd. 88E8055 PCI-E Gigabit Ethernet Controller (rev 13) 
 0d:00.0 CardBus bridge: Ricoh Co Ltd RL5c476 II (rev b1) 
 0d:00.1 FireWire (IEEE 1394): Ricoh Co Ltd R5C552 IEEE 1394 Controller (rev 06) 
 0d:00.2 SD Host controller: Ricoh Co Ltd R5C822 SD/SDIO/MMC/MS/MSPro Host Adapter (rev 15) 
 
 
Merci de votre aide. 
PS: j'utilise une debian en testing avec un noyau 2.6.25
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