Difference between revisions of "BeagleBone/PrussDemoSubmission"

From eLinux.org
Jump to: navigation, search
(Design)
(Design)
Line 9: Line 9:
 
*** Example will have be one driving the display and another incrementing the clock (in seconds).
 
*** Example will have be one driving the display and another incrementing the clock (in seconds).
 
* Userspace can also talk to the PRUSS to update data in almost real time.
 
* Userspace can also talk to the PRUSS to update data in almost real time.
* Explaining why SPI transfers, GPIO bit banging doesn't work with applications like these.
+
* Explaining why SPI transfers, and GPIO bit banging doesn't work with applications like these.
  
 
== Software ==
 
== Software ==

Revision as of 21:38, 22 December 2012

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).
  • 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 but final demo will have the clock being ran completely from PRUSS and not touching outside of it at all.

Multimedia

Breadboard PRUS Demo Picture
Videos
Beaglebone PRUSS Demo

References