RT-Thread RTOS is free software; you can redistribute it and/or modify it
under terms of the GNU General Public License version 2 as published by the
Free Software Foundation. RT-Thread RTOS is distributed in the hope that it
will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General
Public License for more details. You should have received a copy of the GNU
General Public License along with RT-Thread; see file COPYING. If not, write
to the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.

As a special exception, including RT-Thread RTOS header files in a file,
instantiating RT-Thread RTOS generics or templates, or linking other files
with RT-Thread RTOS objects to produce an executable application, does not
by itself cause the resulting executable application to be covered by the
GNU General Public License. This exception does not however invalidate any
other reasons why the executable file might be covered by the GNU Public
License.
