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+--- Thread: Waveshare 7.9" HDMI Capacitive Touch Screen on Moode 9 (/showthread.php?tid=6416)
Waveshare 7.9" HDMI Capacitive Touch Screen on Moode 9 - popeye65 - 04-21-2024
I have built a Stealth V3 player, comprising a Raspberry 4b, a set of DC power supply, and a Waveshare 7.9" HDMI screen. This is a small how-to for Moode 9, currently tested on ~pre4 version. I will try to keep this updated after V9 is released. Basically it works for me and maybe it's not optimal, I'm not a guru in RPI hardware detection and firmware options.
Steps:
- setup the PI image, get ssh working
- adapt /boot/firmware/cmdline.txt /home/pi/.xinitrc as shown below
- reboot
- your console will scroll boot messages
- and start the GUI after a while (I still have to check if the 2 min I observe until the GUI is available is due to some timeout or the result of loading X11 and Chromium)
Quote:#add this to the end of the line:
video=HDMI-A-1:400x1280M@60,rotate=90
# the full line should look similar to this, but might vary slightly
console=serial0,115200 console=tty1 root=PARTUUID=92517673-02 rootfstype=ext4 fsck.repair=yes rootwait video=HDMI-A-1:400x1280M@60,rotate=90
sudo vi /home/pi/.xinitrc
Quote:# before the "xset" commands, add this:
DISPLAY=:0 xrandr --output HDMI-1 --rotate left
# in the "SCREENSIZE="$(fbset ...." line, swap $2 and $3, so the lines become :
SCREENSIZE="$(fbset -s | awk '$1 == "geometry" { print $3","$2 }')"
The touch screen worked out of the box. However, you may need to press the "Rotate Touch" button a few times until it works correctly. The display modules saves the rotation setting internally.
[attachment=3738]
RE: Waveshare 7.9" HDMI Capacitive Touch Screen on Moode 9 - popeye65 - 04-21-2024
installed on top of my Teac UD 503 DAC.
[attachment=3739]
RE: Waveshare 7.9" HDMI Capacitive Touch Screen on Moode 9 - Tim Curtis - 04-21-2024
(04-21-2024, 06:41 PM)popeye65 Wrote: installed on top of my Teac UD 503 DAC.
Very cool :-)
RE: Waveshare 7.9" HDMI Capacitive Touch Screen on Moode 9 - pkdick - 08-26-2024
Hello popey65,
I followed your advice on my Waveshare 7.9" HDMI screen and it worked properly. The only concern that I have is that the display intialisation takes more than one minute... do you have the same result ? (for your information I use a raspberry pi 5).
Thank you in advance for the support you may bring to me ?
RE: Waveshare 7.9" HDMI Capacitive Touch Screen on Moode 9 - pkdick - 08-26-2024
Sorry Popey65, I just saw that you had the same concern as mine in your post
...
RE: Waveshare 7.9" HDMI Capacitive Touch Screen on Moode 9 - popeye65 - 08-26-2024
(08-26-2024, 05:56 PM)pkdick Wrote: Sorry Popey65, I just saw that you had the same concern as mine in your post
yes it take long to start. Not sure it's a X11 issue or some timeouts and retries. I haven't time to properly investigate this, sorry.