juj

If there are two fbcp-ili9341 processes running, then that is certainly an issue and will cause a crash. There should be only one. However that one fbcp-ili9341 process will spawn...

It is possible that the display can work. I don't recall which controller that display has, sorry. The list of supported displays can be found at https://github.com/juj/fbcp-ili9341#tested-displays

To my knowledge the version of Raspbian OS should not matter. However I have not tried the driver on newer Raspbian versions than 32-bit Jessie and Stretch (which are both...

I am not aware of anyone having tried that display with the driver. There are several other ST7789-based displays that have been used though with a ST7789 driver backend, so...

The mention of ``` LCD TE (Tear Effect) pin connected ``` at https://pinout.xyz/pinout/display_hat_mini# caught my eye. In original documentation at https://github.com/juj/fbcp-ili9341#about-tearing I wrote these musings ``` For example, the 4...

> the "TE" pin sends a clock pulse from the display controller to the host when the display reaches a given row- a bit like a scanline interrupt. It's then...

You can adjust the overscan crop factors at https://github.com/juj/fbcp-ili9341/blob/4aa3b97f4d295e3301651bd3dc3d314b25f2531e/gpu.cpp#L386-L390 to crop away left/right/top/bottom fractions of the screen.

Thanks for reporting. I have not actually tested the Arm-v8a path at all, I do not have a 64-bit Raspberry Pi OS installation on any of my dev boards yet....

Ah darn, it looks like the assembler code is not 64-bit AArch/ARMv8A capable. This does make me suspect if 64-bit ARM OSes will work at all. The handwritten assembly code...

Thanks for the info. Fbcp-ili9341 uses `bcm_host.h` for the following functionality: - `bcm_host_init()`, `bcm_host_deinit()`: needed to init and deinit access to DispmanX GPU API. - `vc_dispmanx_*()` GPU API functions, -...