View source for Teaching Documents: User Guide

<big>
== First: setup ==
</big>

Note-1: LCD Power(Your PI must powered by 5V 2A or 5V 3A is better)

Note-2: insert the touch screen driver line and HDMI line 

Note--3: 
When the screen is unstable and flash, you need to power the lcd external power supply ,After powering , wait for a few minutes until the LCD display stable

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== Second:driving the LCD ==
</big>

For driving the LCD , you can use our configured image provided :<br />

IMAGE/

install the image please reference ：(your SD card must be 8G)
Install Raspbian.doc

Also, you can install the driver at youself Raspbian OS. Copy the “Driver”document to your Pi, Then On the LXTerminal, enter<br />

<nowiki>sudo ./LCD7-USB-CAP-show</nowiki>
<nowiki>After reboot ,The LCD can display and touch</nowiki>

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== Third：Virtual Keyboard ==
</big>

Use our configured image provided
Use yourself image

<sub>sudo apt-get update
<nowiki>sudo apt-get install libfakekey-dev libpng-dev libxft-dev autoconf libtool –y</nowiki>
<nowiki>Copy  “Software/ matchbox-keyboard “ to your Pi</nowiki>
<nowiki>cd matchbox-keyboard</nowiki>
<nowiki>./autogen.shmake</nowiki>
<nowiki>sudo make install</nowiki>
<nowiki>sudo apt-get install libmatchbox1 -y</nowiki>
<nowiki>sudo nano /usr/bin/toggle-matchbox-keyboard.sh</nowiki>
</sub>

And copy in the text below;<br />
<nowiki>#!/bin/bash</nowiki> <br />
<nowiki>#This script toggle the virtual keyboard </nowiki><br />

<nowiki>PID=`pidof matchbox-keyboard`</nowiki>
<nowiki>if [ ! -e $PID ]; then</nowiki>
  <nowiki>killall matchbox-keyboard</nowiki>
else
 <nowiki>matchbox-keyboard -s 50 extended&</nowiki>
fi

<nowiki>sudo chmod +x /usr/bin/toggle-matchbox-keyboard.sh</nowiki>
<nowiki>sudo nano </nowiki> 
<nowiki>/usr/local/share/applications/toggle-matchbox-keyboard.desktop</nowiki> 


Copy in this text;<br />

<nowiki>[Desktop Entry]</nowiki><br />

Name=Toggle Matchbox Keyboard<br />
Comment=Toggle Matchbox Keyboard<br />
Exec=toggle-matchbox-keyboard.sh<br />
Type=Application<br />
Icon=matchbox-keyboard.png<br />
Categories=Panel;Utility;MB<br />
X-MB-INPUT-MECHANSIM=True<br />

<nowiki>nano ~/.config/lxpanel/LXDE-pi/panels/panel</nowiki><br />

Find this section of config (it is near the bottom);<br />
Plugin {
    type = launchbar
    Config {
        Button {
            id=lxde-screenlock.desktop
        }
        Button {
            id=lxde-logout.desktop
        }
    }
and change it to;<br />

Plugin {
    type = launchbar
    Config {
        Button {
            id=toggle-matchbox-keyboard.desktop
        }
        Button {
            id=lxde-screenlock.desktop
        }
        Button {
            id=lxde-logout.desktop
        }
    }
Save and exit,  After reboot ,you can use the software keyboard