[submodule "builder/frameworks/libopencm3"] path = builder/frameworks/libopencm3 url = https://github.com/platformio/builder-framework-libopencm3.git [submodule "builder/frameworks/arduino/mbed-core"] path = builder/frameworks/arduino/mbed-core url = https://github.com/platformio/builder-framework-arduino-core-mbed.git