Have a look at Application Note AN2940, "LCD Driver for the HC08/HCS08 Family", and the associated software file. It covers both 4-bit and 8-bit interface modes for LCD displays based on the HD44780 device.
I've to drive a grayscale 128*64 graphic display. If your code is able to drive this type of LCD, I can try to include it on my project.
Thanks a lot
I'm working with OLED 128x64. I can scan the columns correctly. but the rows are not incrementing properly.. please help me.
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