040000 tree e541409e85c8c66d1d77b7b692894f20c075a0ca	libboard_sam3s-ek
040000 tree 2aedab2b5522a0ee10d78372e732609864998588	libchip_sam3s
040000 tree a3f452575c547ed071eddc058e3fc23f9275da08	usb