Environment Setup

Arch Linux

Install the arm-none-eabi-gcc toolchain and Tup:

pacman -S arm-none-eabi-gcc tup

Install stlink:

pacman -S stlink

Mac OS

This assumes you already have HomeBrew and MacPorts installed.

Install the GCC ARM toolchain (v4.9) (based on Pixhawk instructions):

brew tap PX4/homebrew-px4
brew update
brew install genromfs
brew install kconfig-frontends
brew install gcc-arm-none-eabi-49

Verify installation:

arm-none-eabi-gcc --version

Install Tup, the build system:

brew install tup

Install stlink per these instructions. This is the programmer.

You are now ready to follow the build instructions in the firmware readme.