luma.lcd ILI9486 blank screen

Waveshare ILI9486(B) https://www.amazon.com/dp/B07V9WW96D dtoverlay tree not loaded Unable to draw to display using luma.lcd with any examples or demo code, screen remains blank with backlight on.

$ sudo python clock.py --display ili9486 --interface spi --width 320 --height 480 Version: luma.lcd 2.10.0 (luma.core 2.4.0) Display: ili9486 Interface: spi Dimensions: 320 x 480

Type of Raspberry Pi

Pi5

Linux Kernel version

6.1.54-v8+

Expected behaviour

anything written to display

Actual behaviour

display has no writing, just a black/backlight

Aug 27 '24 22:08 craigerl

It looks like the problem is isolated to Raspberry Pi 5 hardware. The same sd card in a PiZero2W works as expected. Changes to Pi5 SPI addressing perhaps? GPIO?

Aug 28 '24 18:08 craigerl

see https://github.com/rm-hull/luma.core/issues/268

Aug 28 '24 21:08 thijstriemstra

I ran into this as well. Using gpiozero worked to address the issue on my RPi5

Aug 29 '24 19:08 JosephHobbs