Hello, I have pi3 with picoplayer 6 to install on it. I also have a 4 inch screen from the brand "waveshare": https://www.waveshare.com/wiki/4inch_HDMI_LCD
After configuring the config.txt file on picoreplayer, I have the display that works correctly through the pi3's HDMI port, jivelite also works. I just bought a pi4 and I connected the screen still in HDMI to the HDMI0 port of the pi4 and I have nothing displayed on the screen. Not even the rainbow when booting the pi4 . And yet picoreplayer starts well, I can listen to music without problem. I then decide to connect the HDMI0 port of pi4 on my 65 inch Sony TV, the display works correctly, jivelite too. Just a screen orientation problem, but it doesn't matter. I specify that the 4 inch screen is powered by an external 5v power supply and not by the pi4 usb port. I then reconnected the 4 inch screen to the pi3 and it works. There is therefore a driver or parameter problem in config.txt to operate the 4 inch screen on the pi4. Here is an excerpt from my config.txt file : #Custom Configuration Area, for config settings that are not managed by pCP. #pCP will retain these settings during insitu-update #---Begin-Custom-(Do not alter Begin or End Tags)----- #hdmi_ignore_edid=0xa5000080 hdmi_force_hotplug=1 hdmi_group=2 hdmi_mode=87 hdmi_cvt 480 800 60 6 0 0 0 hdmi_drive=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 #---End-Custom---------------------------------------- I added the command hdmi_force_hotplug = 1, and uncommented above in the file the command config_hdmi_boost = 9 but it still does not work. Thanks for your help. ------------------------------------------------------------------------ julien29's Profile: http://forums.slimdevices.com/member.php?userid=68459 View this thread: http://forums.slimdevices.com/showthread.php?t=111787 _______________________________________________ unix mailing list [email protected] http://lists.slimdevices.com/mailman/listinfo/unix
