BeagleBone Black desk clock using PRU to ILI9341

PRU programming example that implements a modified SPI protocol with addition of command / data control line for small LCDs. Packaged as disk image with PRU debugging tools.

Posted by gomer on 2023-09-26T10:12:10-04:00

Categories: Advanced, BeagleBone Black, Demo

Example of using PRU to drive a miniature ILI9341 LCD via bit-banged SPI signals to generate a clock image. Full microSD disk image provided with debugging tools for learning about PRU programming.

Video:

Disk image: https://drive.google.com/file/d/1Va7U4zgoVnjmociYIhewZVZxAi4f5EHE/view?usp=share_link

See https://forum.beagleboard.org/t/turnkey-pru-deskclock-application-for-bbb/34126 for complete summary

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