Trying out an ebay touchscreen ( Mcufriend - 3.6" & 3.95" ones). Has anyone gotten one to work?

Mahonroy

Hey guys,
I figured I would try out one of the ebay TFT touchscreens. Specifically the Mcufriend ones (3.6" & 3.95" I have here).
Links to screens:
http://www.amazon.com/gp/product/B016JXF5BA?redirect=true&ref_=cfb_at_prodpg
http://www.ebay.com/itm/141647130960?_trksid=p2060353.m2749.l2649&ssPageName=STRK:MEBIDX:IT

The postings on the 3.95" say that they use the ILI9325 Driver IC, but after doing some reading, it seems it may be the ILI9488 Driver IC?
The circuitry and IC's located on the back of each screen seems to be identical.

I found this library, but it does not seem to work:
http://obex.parallax.com/object/282

I notice the screen flash and flicker a little and thats about it... otherwise its just a white screen.

Has anyone gotten one of these types of screens to work, and maybe could offer some advice? Thanks and any help is greatly appreciated!

EDIT:
In the event that these are a poor choice of screens to attempt to use... can you guys recommend some that are reasonable priced and people have been using successfully?
I found these, and they look to be more promising as far as support goes... though there are a lot of options to choose from and I don't know what is best?
http://www.buydisplay.com/default/tft-display/4-3-inch

Mahonroy

I think I will create a new thread on touchscreens in general instead of this... there seem to be too many screens out there, different drivers, etc. I am mainly interested in what people have been able to get working and if there are any available spin drivers available or if this needs to be created from scratch.

Mark_T

If its not an ILI9325 screen then my ILI9325 driver cannot possibly work. You would need
to delve around at the register level to try and verify if it looks like a 9325 or not, if this isn't
in any documentation.

Feel free to port to the ILI9488 if that's what it is - yes sometimes you have to do stuff yourself
if no-ones been there before.

Mark_T

The comments for the eBay one have some code even - you could compare the register numbers that is using
to the datasheets for the ILI9488 and ILI9327 (the one's mentioned).

Good luck.