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Showing content with the highest reputation on 10/30/2010 in Posts

  1. Soo, I got busy. Tested the lcd out with my i2c explorer, and then coded up a i2c based lcd controller. It works well enough to initialize and write to an lcd, even commands. At this point, it just runs a test, and that's it. Will be trying to add a RX uart soon (since the biggest code hog was the i2c read routine [i2c.c was about 1k in i2c-explorer] it should fit fine), but it is all setup for 4bit lcd control, and separate functions for lcd commands and lcd data. Two port pins on the expander are still free, and could be used for a larger lcd with 2 enable pins, or reseting the lcd (with a p
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