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Well everyone, I didn't wait for your answer and went ahead. It's possible to recover from the Terasic demo code what is needed to initialize the LCD, display pixels anywhere in any color, as well as the bitmaps for a number of character fonts.
Terasic's functions for drawing geometry and printing strings are hugely inefficient, obviously lifted from a more generic library intended for more powerful processors. If you're proficient in C and bit manipulation, however, it's not very difficult to do your own "printf".
If you need help, reply to this post.
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I, too, have found the documentation to be lacking. I am trying to drive my LT24 with a DE2-70 board or my DE0-NANO without using the NIOS processor. I have been playing with the signals and timing and have got something to happen using a state machine. But so far only greyscale will show on the screen. Trying to figure out if I have to establish a color LUT using the COLOR SET command (0x2D). I have an E-mail in to Ilitek (the control chip people) and will let you know if I hear anything back. Anything you can share re: commands and timing would be helpful.
Regards,
Geof
Honored Contributor
