README


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ToyKeeper's flashlight firmware repository
==========================================

This is a collection of firmware for flashlights or torches, mostly 
collected from BLF (http://budgetlightforum.com/).  It's collected 
here mostly for convenience, and to provide bug tracking and revision 
control services for the code.


Getting Started
===============

A general overview of what you need to get going is here:

  http://flashlightwiki.com/AVR_Drivers

To set up an attiny dev environment on Ubuntu (13.10):

  sudo apt-get install flex byacc bison gcc libusb-dev libc6-dev
  sudo apt-get install gcc-avr avr-libc binutils-avr
  sudo apt-get install avrdude avrdude-doc

Installing attiny dev tools on UNIX systems in general:

  http://www.ladyada.net/learn/avr/setup-unix.html

To build a .hex file from a .c file, in Windows:

  http://budgetlightforum.com/node/29081

After wiring everything up, this tests the connection to the ATTINY13A chip:

  avrdude -p t13 -c usbasp -n
  (you may need to put 'sudo' in front, on UNIX systems...
  or set the suid bit on the avrdude binary, which is convenient but a
  potential security risk)

To test if you can flash firmware correctly, or to restore a light to something
like a default state, try flashing the NLITE driver from DrJones.  It's similar
to the default nanjg / qlite firmware, but better.

  ./bin/flash.sh DrJones/NLITE/nlite.hex

For a quick test to make sure your tool chain works and your flashing tools
are working, try the 'hello world' program:

  cd hello_world
  make
  make flash

If that works, you should be ready to start making changes to the code, or
flashing any of the pre-built firmwares.