GxEPD2 with GDEH0154D67 display ghosting

Using Arduino Displays
1

Hello
The issue is described here in more detail:

@ZinggJM could you look at it? How do I ping someone on this forum...

If you want, I can post videos of the ghosting

2

@bettet , welcome to the forum!

GxEPD2 is a library for the Arduino IDE. I don't care if it works with other platforms.

There have been reports that platformio can get confused with library versions.

I took a look at the issue linked. Seems a mess, somehow. And seems ongoing.
-jz-

3

Thanks

If I posted the videos, could you look at them and maybe direct me where the issue could be?

4

No, I have no time for this.

But I would expect that a wrong panel driver class is used.
Note that the display instance is a template instance dependent of the type of the driver class (and the page height, which is the reason for the use of a template class).
This means that the GxEPD2 Arduino library can't be compiled into an object code library.

5

I posted the videos anyway on github

No, the display class didn't change between the change i described in the github issue

Well thanks anyway ¯_(ツ)_/¯

6

Your videos showed me something, the inking on the panels that can be seen.
Check against the inking I provide as comments:

//#define GxEPD2_DRIVER_CLASS GxEPD2_154_D67 // GDEH0154D67 200x200, SSD1681, (HINK-E154A07-A1)

versus:

//#define GxEPD2_DRIVER_CLASS GxEPD2_154_GDEY0154D67 // GDEY0154D67 200x200, SSD1681, (FPC-B001 20.05.21)
7

You mean changing the driver? I did that to the one you specified, while the result was interesting, less flashes there was still grey in the same moment as the rest

8

The panel has a wavetable for "fast full refresh" in OTP, which is used by the matching driver class. Can't help you with your "still grey in the same moment as the rest" and how it relates to your confusing compile environment. Bye and out.