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#Altrino Due# Author: Feldenthorne


This is the source code for an alternative build environment for the Arduino Due. The project stemmed from a the need for a more robust development environment for the Arduino Due than could be (easily) managed within the confines of the Arduino IDE and its weird "throw everything in a base folder to compile" approach.

To put a few details to this setup, it:

  • Relies on a modified standard Makefile from the [Atmel Software Framework] ( (ASF)
  • Incorporates many ASF features into a system library (timers, UART, GPIO, etcetera)
  • Requires the user to install BOSSA and gcc-arm-none-eabi

Basically, this build environment should allow you to use all the functions defined for the Arduino Due in the ASF, as well as incorporate FreeRTOS into your project fairly easily.

###Current Capabilities###

Currently, this project builds a slightly modified "Getting Started" example from the Atmel Software Framework source for the Arduino Due, just to give the user an idea of how things work.

##Downloading Source##

In order to download the source, which is maintained with the aid of the version-control software Git, it is necessary to download a Git or Subversion client. (It's actually not entirely necessary, but highly suggested for retrieving updates. If you're put off by installing one more piece of software, you can download a tarball of the most recent release.)

When you have your desired client, follow the general procedure for Git or Subversion checkouts

Repository URL:
Git: 				git clone
Subversion: 		svn checkout

Additionally, when using Subversion, the checked out folder will open directly to the checkout folder if the "append source URL name to subfolder" option is disabled upon checkout. This is often an option on the Checkout window in a GUI or by specifying the folder path explicitly during a command line checkout.

##How to Build##

In order to build anything using this framework, it is necessary to download and install two pieces of software: an ARM-based compiler and a program to upload compiled programs to the Due. A third required download is the Atmel Software Framework, which only needs to be unzipped and placed in the lib directory in a folder called ASF.


The compiler required is arm-none-eabi-gcc, which is a bare-metal (no particular OS) compiler. There multitudinous options for installing it, so you should pick one suitable to your needs. This project was originally developed on a Linux-based system, however, and this terminal-based install method worked for the author:

  • First, grab your dependencies

     sudo apt-get install python-serial python-argparse openocd \
     flex bison libncurses5-dev autoconf texinfo build-essential \
     libftdi-dev libtool zlib1g-dev genromfs git-core wget
  • If you're on a 64-bit system, grab

     sudo apt-get install ia32-libs
  • If that throws errors, either:

    • download the 32-bit packages individually

        sudo apt-get install libc6:i386 libgcc1:i386 gcc-4.6-base:i386 libstdc++5:i386 libstdc++6:i386
    • Or add this entry to your Software Sources:

        deb raring main restricted universe multiverse
  • Download, unzip, and install the toolchain (this takes a while!)

     cd ~
     tar -jxf gcc-arm-none-eabi-4_8-2014q1-20140314-linux.tar.bz2
     exportline="export PATH=$HOME/gcc-arm-none-eabi-4_7-2014q2/bin:\$PATH"
     if grep -Fxq "$exportline" ~/.profile; then echo nothing to do ; else echo $exportline >> ~/.profile; fi
     . ~/.profile

The above setup method is a slightly condensed version of the explanation given by with a little extra thrown in.


BOSSA is an open-source alternative to Atmel's proprietary BIN file uploader for their ARM processors - and it's the one that the Arduino IDE uses, if you're interested. Needless to say, it's necessary to install it to upload any programs to your Due using this environment.

If you're using a Debian/Ubuntu distribution, you can download "bossac" using

sudo apt-get install bossa-cli

Otherwise, you can download the binaries for your particular system on their SourceForge page.

###Atmel Software Framework###

The Atmel Software Framework is Atmel's proprietary framework software for their microcontrollers. This build environment piggybacks on the ASF because there was no real reason to rewrite the drivers or memory management routines that Atmel provides.

It needs to be downloaded only because the file is an absolute behemoth unzipped, weighing in at about 1.5 GB. The download itself [can be found on the bottom of this page] (, but you do need to register on Atmel's site to access it. I'm sure there's a mirror up somewhere that doesn't require registering, but it's a pretty painless process to register - plus you can sign up for email updates, if you're interested.

###Using the Makefile###

Building using the provided Makefile is pretty simplistic: navigate to the project's source directory in a command prompt or terminal window and type


For added convenience, the Makefile also supports:

make clean			Cleans up compiled and temp files
make lib			Builds the library file
make install		Builds the project file and uploads it to your Due using bossac
make putty			Opens a PuTTY terminal to view serial output

##Building Documentation##

Documentation will be added in a future release, but it will eventually be buildable with the command

make doc


An alternate build environment for the Arduino Due




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