Thank you for your answer. I'll post the corrected .h and my whole library as soon as I'm sure the functionalities I need are ok.

As you suggested, I'm trying to upload the smiley example from the datasheed instead of my whole bitmap.

I'm first reading the module type, which is properly returned ...

You're welcome.

There are some mistakes in this file, I will post my whole library as soon as I've tested it extensively.
Maybe Matrix orbital could consider opening a ghithub open project to allow a community to grow around your products and provide free and open sources libraries.

In the ...

I've been looking for a GLK19264-7T-1U header file command definitions.

As I didn't find what I was looking for, here is mine.
Feel free to use it, and contact me if there's any mistake.

Kind rgards,

Laurent

PS : If anybody feels like writing a library / starting a open project, I'm interested ...