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Revision as of 18:58, 14 March 2015
Contents
Design
Using the PRUSS functionality of AM335x core for driving an vacuum fluorescent display using a shift register in realtime.
This proposal will have the following:
- Having PRU control everything once loaded
- Multiple PRU cores utilized.
- Example will have be one driving the display and another incrementing the clock (in seconds).
- Multiple PRU cores utilized.
- Userspace can also talk to the PRUSS to update data in almost real time.
- Explaining why SPI transfers, and GPIO bit banging doesn't work with applications like these.
Software
All PRU source is available on GitHub[1]
Currently the userspace utility code exists and standalone demo that is a clock being ran completely from PRUSS and not needing an input outside of it at all.
Multimedia
- Videos
- Beaglebone PRUSS Demo