hra1129/ShaRPIKeebo-customize-for-japanese

16bit color depth support please?

Closed this issue · 6 comments

taskx6004 commented

Hi, newer kernel now has no frame buffer option for 32bit depth, after some try and error with modifying your code I could not hack it to make it work on a recent 16bit depth only OS. Would you kindly update your code?

hra1129 commented

Ok.
After we finish the audio-related work we are currently working on, we will Consider 16-bit color depth support.

hra1129 commented

First, only sharpikeebo_lcd is now 16bpp compliant.
Can you please check if this works without any problem?
If it works fine, we will implement the same fix for sharpikeebo_glib.

taskx6004 commented

Sorry screen could talk to SPI but not rendering correctly. I guess you have forgot to modify RGB8888 -> to RGB565 in the pixel converting function, if 16bit depth is RGB565.

hra1129 commented

I reinstalled the latest version of RaspberryPiOS Lite 32bit and tried it and it worked fine.

In /boot/config.txt, I need to set framebuffer to 400x240 size and disable dtoverlay=vc4-kms-v3d.
I have specified how to modify config.txt.

https://github.com/hra1129/ShaRPIKeebo-customize-for-japanese/blob/main/sharp_memory_display/readme_en.txt

taskx6004 commented

Sorry didn't notice dt part needs some modification

hra1129 commented

Please let me know if it works.😉