During spare time I have
been playing with graphical LCD. This time I decided to display simple
signals that are stored in microcontroller memory. The idea was to read
signal values from look-up table and display waveform on Graphical LCD.
To make things more interesting I divided LCD screen in to smaller four
screens so I could activate them separately and draw signals in them.
Graphical
LCD is the same old HQM1286404 with KS0108 controller. I have used
Proteus simulator 128×64 graphical LCD(LGM12641BS1R) which is based on
KS0108. How to implement and connect LCD there was a blog post (Simulate KS0108 graphical LCD with Proteus simulator)about it. I am just going to show main program routine.
As I mentioned I have split 128×64 in to four smaller screens like this:
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