I am using a Waveshare ePaper 2.9" but it is V2.
Too, I am running the GxEPD2_Example sketch.
The sketch run, the problem is that the display ignores the partial screen functions on the sketch. Only reacts to the functions with the line display.setFullWindow () ;. the functions with display.setPartialWindow (); are ignored for the display, even when the functions are executed.
The sketch sends the message: "fast partial mode" in the console if I put an message in the code, so I suppose that the display allows the partial refresh of the screen.
My question is if the GxEPD2 library supports the V2 of the Waveshare 2.9" ePaper display, as the test programs that Waveshare provides are different for V1 and V2 2.9" displays.