#Install Octoscreen

#Dependencies install (if problems encountered at autoreconf then go over install lines again:

    #Run:

        sudo apt update

        sudo apt full-upgrade

        sudo apt-get install git build-essential xorg-dev xutils-dev x11proto-dri2-dev

        sudo apt-get install libltdl-dev libtool automake libdrm-dev

        sudo apt-get install libgtk-3-0 xserver-xorg xinit x11-xserver-utils

        git clone https://github.com/ssvb/xf86-video-fbturbo.git

        cd xf86-video-fbturbo

        autoreconf -vi

        ./configure --prefix=/usr

        make

        sudo make install

        sudo cp xorg.conf /etc/X11/xorg.conf

#Octoscreen install:

    #(Follow install instructions on Octoscreen Releases Page)
    #Run:

        sudo apt-get install libgtk-3-0 xserver-xorg xinit x11-xserver-utils

        wget https://github.com/Z-Bolt/OctoScreen/releases/download/v2.2.1/octoscreen_2.2-2_armhf.deb

        sudo dpkg -i octoscreen_2.2-2_armhf.deb

#Edit Octoscreen Resolution

    #Run:

        sudo nano /etc/octoscreen/config

    #Edit OCTOSCREEN RESOLUTION as below:
        OCTOSCREEN_RESOLUTION=800x533

        #ctrl-o
        #enter
        #ctrl-x

#Install Touchscreen driver:

#Run:

    git clone https://github.com/Elecrow-keen/Elecrow-LCD35.git

    cd Elecrow-LCD35

    sudo ./Elecrow-LCD35

    sudo nano /etc/X11/xorg.conf.d/99-calibration.conf

    #Add following lines between "Option SwapAxes" and EndSection. This is for rotating the touch coordinates
        Option "InvertX" "true"
        Option "InvertY" "true"

    #Go to the bottom of the text and hit "enter" to create a blank line.
    #After that line type in the following lines:
        Section “Device”
          Identifier “touchscreen”
          Driver “fbdev”
          Option “fbdev” “/dev/fb0”
        EndSection

    #ctrl-o
    #enter
    #ctrl-x

#Install fbcp to "clone" the HDMI output:

#Run:
    sudo apt-get -y install cmake

    git clone https://github.com/tasanakorn/rpi-fbcp

    cd rpi-fbcp

    mkdir build

    cd build

    cmake ..

    make

    sudo install fbcp /usr/local/bin/fbcp

#Make fbcp start on every boot:

#Run:
    sudo nano /etc/rc.local

#Go at the end of file (but before the exit 0 ) and add a line where to find fbcp :

    /usr/local/bin/fbcp &

    #ctrl-o5
    #enter
    #ctrl-x

#Activate and setup HDMI:

#Run:
    sudo nano /boot/config.txt

    #Uncomment the following and change resolution
        framebuffer_width=800
        framebuffer_height=533

    #add line
        hdmi_cvt 800 533 60 6 0 0 0

    #edit line starting in dtoverlay=elecrow35a to include rotation (180 = 270)
        dtoverlay=elecrow35a,rotate=270,speed=22000000,fps=60

    #ctrl-o
    #enter
    #ctrl-x

    sudo reboot