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I would 1st try to adapt RPi procedure. Here's good introduction http://futurice.com/blog/id-like-to-have-some-lcd-on-my-pi - it's for 3.5in LCD but with 4in the procedure is almost identical, the only difference is touch input calibration. Basically you will need working SPI and figure out the diff between RPi GPIO pinout and OPi. |
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