Difference between revisions of "X11 server"

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(Installing)
(Launching)
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==Launching==
 
==Launching==
* For example, with a mouse and a keyboard (event0):
+
{|
 +
|-
 +
! Low RAM !! High RAM
 +
|-
 +
|* For example, with a mouse and a keyboard (event0):
 
<pre class="apf">
 
<pre class="apf">
 
# /usr/bin/X -mouse evdev -retro -keybd evdev,,device=/dev/input/event0 &
 
# /usr/bin/X -mouse evdev -retro -keybd evdev,,device=/dev/input/event0 &
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# /usr/bin/X -retro -mouse tslib,,device=/dev/input/event0 &
 
# /usr/bin/X -retro -mouse tslib,,device=/dev/input/event0 &
 
</pre>
 
</pre>
 +
|
 +
* if not automatically started up at boot:
 +
<pre class="apf">
 +
# /usr/bin/Xorg :0.0 vt01 -s 0 -noreset -retro
 +
</pre>
 +
|}
  
 
then you will need to launch a window manager (like [[Matchbox]]/[[Blackbox]]/[[Fluxbox]]/Openbox) and some applications....
 
then you will need to launch a window manager (like [[Matchbox]]/[[Blackbox]]/[[Fluxbox]]/Openbox) and some applications....

Revision as of 11:39, 20 January 2023

Introduction

Even if using an Xserver in an embedded context is most of the times not a necessity, it could be interesting in some "PDA like" applications, where existing applications reuse is needed. Even if recent embedded systems are capable of running a full Xorg server, in low RAM embedded systems we prefer to use the reduced version TinyX/Xfbdev, which is an upper layer of the Linux Framebuffer.

Installing

$ make menuconfig
Low RAM > 256 Mbytes RAM
Target packages  --->
    Graphic libraries and applications (graphic/text)  --->
        [*] X.org X Window System  --->
            X11R7 Servers  --->
                [*] xorg-server
                    X Window System server type (KDrive / TinyX)  --->
                [ ] Null root cursor
                [ ] Enable AIGLX Extension
                [*] Enable KDrive/TinyX evdev input driver
                [*] Enable KDrive/TinyX kbd input driver
                [*] Enable KDrive/TinyX mouse input driver
                    *** Optional Servers ***
                [ ] Xvfb server
Target packages  --->
    ...
    Graphic libraries and applications (graphic/text)  --->
        [*] X.org X Window System  --->
            X11R7 Servers  --->
                X Window System server type (Modular X.org)  --->
            ...
            X11R7 Drivers  --->
                [*] xf86-input-evdev
                [*] xf86-input-keyboard
                [*] xf86-input-mouse
                [*] xf86-input-tslib
                [*] xf86-input-fbdev
  • Add some applications ;-)
            ...
            X11R7 Applications  --->
                ...
                [*] xclock
                ...
                [*] xeyes
        ...
        [*] xterm

Launching

Low RAM High RAM
* For example, with a mouse and a keyboard (event0):
# /usr/bin/X -mouse evdev -retro -keybd evdev,,device=/dev/input/event0 &
  • Or with a touchscreen (event0):
# /usr/bin/X -retro -mouse tslib,,device=/dev/input/event0 &
  • if not automatically started up at boot:
# /usr/bin/Xorg :0.0 vt01 -s 0 -noreset -retro

then you will need to launch a window manager (like Matchbox/Blackbox/Fluxbox/Openbox) and some applications....

# xterm &
# xeyes &

X server with xeyes app on APF27