What is this repository for

This repository contains hardware and software for building practical Visible Light Communication system. The PURPLE board is a cape that works with BeagleBone Black embedded computer. With PURPLE, one can send and receive information using visible light.

The hardware design is available in the eagle folder.

What's included

Firmware running on PRU including both transmitter and receiver
User-space program to run on embedded Linux environment
Hardware schematic
Partlist to assemble your own cape Digi-Key
PCB ordering OSH Park

config/

This directory contains all configuration files used before make.

docs/

This directory contains all documents and notes used as instructions and tutorials deployed in class.

example/

This directory contains the userspace program to send and receive msgs through light.

firmware/

This directory contains the binary files that's going to run on PRU

pcb/

This directory contains the hardware schematic and the PCB layout as well as the partlists.

src/

This directory contains the source file that needs to be compiled into the binary file under firmware folder.

test/

This directory contains the test and debugging file in user space for the PRU source code.

How do I get set up?

Summary of set up
1. Hardware
  - Beaglebone Black
  - Purple Cape
  - SD card
  - Micro USB cable
2. Software
  - BBB Driver[Windows][Mac][Linux]
  - SSH[Windows][Mac/Linux]
3. Internet Connection (optional)
  - Ethernet Cable (Required physical access to the LAN port of your router/access point)
  - Wireless Dongle