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Sharp Memory LCD

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@bitbank2 bitbank2 released this 22 Aug 22:01
· 140 commits to master since this release
2c5b837

This release adds support for the SPI connected 144x168 Sharp Memory LCD. This device is a bit more challenging to control than other types of displays because it has a much simpler controller and must be updated a line at a time. To make use of the graphics functions in OneBitDisplay, I had to force the use of a back buffer (3K RAM) and drawing can only occur to that memory, followed by a obdDumpBuffer() to display the frame buffer. On the plus side, the display can be updated at > 100FPS and looks very good. It also uses less power than a traditional LCD.