make-wiring

I got fed up with it being difficult to build Arduino libraries from the command line/without the Arduino IDE.. so I did something about it.

This is a copy of the Arduino libraries (placed in src), a Makefile template, and a fancy build helper written in Ruby

Usage

Usage is quite simple

./build.sh build arduino
./build.sh build Wire

and afterwards, you'll have the relevant header files and compiled libraries in the output directory

There are three possible options for every library

1. build -- This will build the library. It will not do more work than necessary
2. clean -- This will remove all the compiled files from the src directory. It will not remove files from the output directory
3. rebuild -- will clean and then build

Retargetting

I could've crafted a crufty set of makefiles, but I chose this because it's RIDICULOUSLY EASY to retarget.

I have everything configured by default for atmega328p with the "standard" pin layout. This is trivial to change though. Just open up build.rb and change the relevant files

VARIANT='standard' #where to get the `pins_arduino.h` file
CPUFREQ="16000000UL"
MCU="atmega328p"

If you're unsure of your board's "variant", frequency, or other variables, you can look at boards.txt to get a few clues. It should be straight forward to map your board's configuration to this build file for easy building of libraries.

You can also tweak other parameters like CFLAGS to your liking as well.

Usage from within programs

After compiling your dependent libraries, using them from your own programs is easy.

avr-g++ -o hello.elf hello.c ${CFLAGS} -L~/make-wiring/output/lib -I~/make-wiring/output/include -lSoftwareSerial -lWire -lArduino

Of course, yours will probably vary, but you get the point. Everything is put in one simple place, the output directory.

Updating

I pulled these from Master on Arduino at the moment. If you want to update (or downgrade), it's trivial.

1. Clone the Arduino git repository
2. Checkout the appropriate version
3. cp -r Arduino/libraries/* make-wiring/src/
4. cp -r Arduino/hardware/arduino/cores/* make-wiring/src/

Note, this puts "cores" as "libraries" while this isn't really the case. So, basically, don't build both robot and arduino. They conflict with each other