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PRU Academy

Projects
Supported processors per-project

This directory contains labs for the PRU Academy. It includes the PRU Getting Started Labs, as well as training labs about different topics.

The PRU Academy is a module of the processor academy:

Projects

PRU Getting Started Labs

The PRU Getting Started Labs demonstrate how to create a PRU project. The labs also demonstrate how to write, compile, load, and debug PRU firmware.

assembly_code

  • Example project written in assembly

c_code

  • Example project written in C

c_and_assembly

  • Example project written in C, with a function written in assembly

c_and_inline_assembly

  • Example project written in C, with inline assembly code

Training labs

crc/crc

  • How to use the CRC16/32 module

gpio/gpio_toggle

  • How to toggle the SoC GPIO pins using the PRU GPIO module

intc/intc_mcu

  • How to use the INTC module to send and receive interrupts between the PRU core and an MCU+ core

mac/mac

  • How to use the MAC module in Multiply and Accumulate mode (assembly)

mac/mac_c

  • How to do MAC without using the hardware MAC accelerator (C)

mac/mac_multiply

  • How to use the MAC module in Multiply-Only mode (assembly)

uart/uart_loopback

  • Loopback example with the PRU hardware UART peripheral

Supported processors per-project

Each project is tested on at least one processor. Many projects can be ported to other processors, even if the project does not currently have a build configuration for the other processors.

For more information about porting PRU projects to different processors, refer to app note PRU Subsystem Migration Guide. For more information about the PRU features on each processor, refer to app note PRU Subsystem Features Comparison.

  • Y = project has build infrastructure for this processor
  • Yport = project can be ported to this processor
  • Npru = project is not compatible with the PRU subsystem on this processor
    • The project cannot be ported to this processor
  • N-hw = project relies on SoC hardware that does not exist on this processor
    • The project cannot be ported to this processor, unless the project can be modified to work with the new processor's hardware
  • N-sw = project's non-PRU software is not compatible with this processor
    • The PRU firmware may be able to be ported to this processor, but you will need to write new code for the non-PRU cores
    • There may be limitations related to the OS (for example, let's say the project requires a real-time OS that always responds within 10 usec. This project would not work with OSes like Linux, or even RT Linux)
Project am243x am261x am263px am263x am62x am64x
crc/crc Yport Y Y Y Yport Yport
getting_started_labs Y Y Y Y Y Y
gpio/gpio_toggle Yport Y Y Y N-sw Yport
intc/intc_mcu Yport Y Y Y N-sw Yport
mac/mac Yport Y Y Y Yport Yport
mac/mac_c Yport Yport Yport Yport Y Y
mac/mac_multiply Yport Y Y Y Yport Yport
uart/uart_loopback Yport Yport Yport Yport Y Yport