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{{ADFImage|RASP-PiTFT-Extra-22.png}}
{{ADFImage|RASP-PiTFT-Extra-22.png}}
== Démarrer X Windows sur PiTFT ==
To enable booting straight to X windows on the PiTFT follow the steps below. First make sure a display configuration which would conflict is not present by executing in a terminal on the Pi:
sudo mv /usr/share/X11/xorg.conf.d/99-fbturbo.conf ~
Don't worry if the command fails with an error that the file doesn't exist. This failure is normal and should happen on a good PiTFT install. You can ignore it and move on.
Next run the command below to open the nano text editor as root and create the file {{fname|/usr/share/X11/xorg.conf.d/99-pitft.conf}}:
sudo nano /usr/share/X11/xorg.conf.d/99-pitft.conf
When the editor loads to a blank file, copy in the text below:
<nowiki>Section "Device"
Identifier "Adafruit PiTFT"
Driver "fbdev"
Option "fbdev" "/dev/fb1"
EndSection</nowiki>
Then save the file by pressing '''Ctrl-O''' and then enter, and finally exit by pressing '''Ctrl-X'''.
The step above will create a configuration file which tells X windows that it should use the PiTFT framebuffer (located at /dev/fb1) by default when it runs.
At this point you can use the raspi-config tool to enable booting to desktop just like normal on the Pi. Run the following command:
sudo raspi-config
Then pick the '''Enable Boot to Desktop/Scratch''' option and choose if you want to boot to the console, desktop, or scratch environment. After exiting the tool and rebooting you should see the Pi load X windows on the PiTFT after (be patient it can take around 30 seconds to load).Obviously if you have a touchscreen, it cannot tell what finger you are pressing with. This means that all 'clicks' are left clicks. But if you want a right-click, you can do it.
Just add the following lines into your InputClass of {{fname|/etc/X11/xorg.conf.d/99-calibration.conf}} after the calibration section
<nowiki>Option "EmulateThirdButton" "1"
Option "EmulateThirdButtonTimeout" "750"
Option "EmulateThirdButtonMoveThreshold" "30"</nowiki>
Votre fichier pourrait ressembler à ceci
<nowiki>Section "InputClass"
Identifier "calibration"
MatchProduct "stmpe-ts"
Option "Calibration" "3800 120 200 3900"
Option "SwapAxes" "1"
Option "EmulateThirdButton" "1"
Option "EmulateThirdButtonTimeout" "750"
Option "EmulateThirdButtonMoveThreshold" "30"
EndSection</nowiki>
Cela permet d'émuler le clique droit sur la souris lorsque le stylet est maintenu pendant 750 ms.
{{RASP-PiTFT-TRAILER}}
{{RASP-PiTFT-TRAILER}}