I see now. So, what gets sent to the display is this:

<width><height><data>...

where <data> represents the pixels of the bitmap packed as bytes + any padding zeros necessary to fill out the last byte.

Is this correct? It seems sensible to me, I'll give it a go.

Thanks!

Ron

>The reason your bitmap maybe garbled is that between rev 1.x and 2.x the way the bitmap is
>stored has been changed, V1 scanned the bitmap vertically while V2 scans it horizontally.

So, the actual bitmap file is not uploaded but rather the pixel data only? If so, what specifies the dimensions of ...

About a month and a half ago I asked about how to upload a bitmap file to a GLK240128-25 since I couldn't get it to work as in the manual. Clark kindly posted a reply saying the manual was wrong and I should try this approach:

---------------------------------------------------------------
Host ...

Clark-

Regarding "by programming means", what can I say? That's what happens when I work on this stuff so early in the morning.

I'm sure the protocol you posted will help considerably, thank you!

Ron

I'm trying to write code to upload a bitmap file to a GLK240128-25 and the board does not seem to be responding as the manual would have you believe it should. For test purposes I'm using Python under Linux. Here's what I'm seeing:

If I upload a bitmap using MOGD# the board displays it for me when ...