There isn't a lot of support for the Matrix Orbital displays in a Linux environment, and recently I was trying to find a tool that could be used to create bitmaps. The main problem I ran into is that most graphic tools do way more than necessary. However, there is a bitmap tool (named bitmap) includ...

I was using this code to upload smaller bitmaps and originally did not include MSB when calculating the bitmap length to iterate through the remainder of the buffer. After the post from Gerd asking about LSB-MSB I realized that the code needed to be updated to include MSB when calculating the length...

Hi Troy, Glad I can help and it would be great if you want to include this in the code samples provided by Matrix Orbital. C# is actually the main language I use these days... had to brush off the C cobwebs to work on the driver... but the upload code should be something that anyone with C, C++, C# ...

I've seen several posts asking how to upload bitmaps and thought I would post a function I'm using to do the uploads. The function is written in C mainly because it will be added as a utility to lcdproc and it needs to follow their code standards. The documentation shows how to code a font, which is...

Hi Gerd, The correct format is PBM for the GLK19264. The example for a font in the document shows how to calculate the specific bytes to send. http://en.wikipedia.org/wiki/Netpbm_format There is also an error in the documentation. After sending the command with size the device will send back a confi...

Hello Troy, Thanks for the reply! I had a feeling this wouldn't be something too easy to change... would definitely be something nice to have in the future. Flow control is definitely the way to go with drawing the rectangles. I had originally implemented it with a separate routine that would check ...

I'm writing a driver for lcdproc (linux) to support the GLK19264 and found that the bar graph functionality works great for displaying vertical and horizontal bars. The only drawback is that documentation states only 16 bar graphs can be used at one time. One of the screens from the lcdproc client d...