User manual

Ausgabe 13.10.2017 Copyright by Joy-IT 7
3
3.2 / 3.5 Touch-Display
Aerwars, you will see 4 values which needs to be entered as new calibraon-data to the
„99-calibraon.conf“ at:
The rst value is assigned to „MinX“, the second to „MaxX“, the third to „MinY“ and the fourth to
„MaxY“.
Restart your Raspberry Pi, aer saving your changes, to load your new calibraon-prole.
5. Simultaneously using the LCD and the HDMI output
To simultaneously use the LCD display aswell as the HDMI output, some addional conguraon is
needed.
At rst, the „Framebuer-Copy“-program needs to be compiled and installed with the following steps:
To automacally start this programm, while boong the Raspberry Pi, you need to edit the following le…
… and append the following line right before toe line with the „exit 0“.
Now you need to edit the „/boot/cong.txt“-File.
Here you can congure the resoluon of HDMI-output and LCD-Display by commenng the needed block
of “hmdi_group”,”hdmi_mode” and “hdmi_cvt”.
The following example is congured for a resoluon of 800x600.
“Option "Calibration" "160 3723 3896 181"
cd /tmp
sudo apt-get install -y cmake
git clone https://github.com/tasanakorn/rpi-fbcp
mkdir -p rpi-fbcp/build
cd rpi-fbcp/build
cmake ..
make
sudo install fbcp /usr/local/bin/fbcp
sudo nano /etc/rc.local
fbcp &