X11 server

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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 embedded systems we prefer to use the reduced version TinyX/Xfbdev, which is an upper layer of the Linux Framebuffer.

Installing

$ make menuconfig

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
            ...
            X11R7 Applications  --->
                ...
                [*] xclock
                ...
                [*] xeyes
        ...
        [*] xterm

Launching

• For example, with a mouse and a keyboard (event0)

# /usr/bin/X -mouse evdev -retro -keybd evdev,,device=/dev/input/event0 &

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

# xterm &
# xeyes &