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Waveshare 4" hdmi display working with Retropie!



  • Here's the solution:

    Before you start the LCD screen install on Retropie, you will need:

    1.Retropie Image on your SD Card
    2.LCD-show-161112.tar.gz file (http://www.waveshare.com/w/upload/4/4b/LCD-show-161112.tar.gz)
    3.PuTTy
    4.FileZilla client
    5.Some Knowledge of using FileZilla client and putty

    Go to retropie settings, then raspi config and turn SSH ON!
    Then go to FileZilla and transfer LCD-show-161112.tar.gzr to pi's main folder.
    Now go to putty and type, { sudo nano /boot/config.txt }.
    Now remove what's in there and paste the following:

    uncomment if you get no picture on HDMI for a default "safe" mode

    #hdmi_safe=1

    uncomment this if your display has a black border of unused pixels visible

    and your display can output without overscan

    #disable_overscan=1

    uncomment the following to adjust overscan. Use positive numbers if console

    goes off screen, and negative if there is too much border

    #overscan_left=16
    #overscan_right=16
    #overscan_top=16
    #overscan_bottom=16

    uncomment to force a console size. By default it will be display's size minus

    overscan.

    #framebuffer_width=1280
    #framebuffer_height=720

    uncomment if hdmi display is not detected and composite is being outputted

    hdmi_force_hotplug=1

    uncomment to force a specific HDMI mode (here we are forcing 800x480!)

    hdmi_group=2
    hdmi_mode=87
    hdmi_cvt=480 800 60 6 0 0 0
    hdmi_drive=2
    max_usb_current=1
    dtoverlay=ads7846,cs=1,penirq=25,penirq_pull=2,speed=50000,keep_vref_on=0,swapxy=0,pmax=255,xohms=150,xmin=200,xmax=3900,ymin=200,ymax=3900
    display_rotate=3

    uncomment to force a HDMI mode rather than DVI. This can make audio work in

    DMT (computer monitor) modes

    #hdmi_drive=2

    uncomment to increase signal to HDMI, if you have interference, blanking, or

    no display

    config_hdmi_boost=4

    uncomment for composite PAL

    sdtv_mode=2

    #uncomment to overclock the arm. 700 MHz is the default.
    #arm_freq=800



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