text: /** @defgroup usart_file USART
  
  @ingroup STM32F4xx
  
  @brief <b>libopencm3 STM32F4xx USART</b>
  
  @version 1.0.0
  
  @date 30 August 2012
  
  LGPL License Terms @ref lgpl_license
  */
  
  /*
   * This file is part of the libopencm3 project.
   *
   * This library is free software: you can redistribute it and/or modify
   * it under the terms of the GNU Lesser General Public License as published by
   * the Free Software Foundation, either version 3 of the License, or
   * (at your option) any later version.
   *
   * This library 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 Lesser General Public License for more details.
   *
   * You should have received a copy of the GNU Lesser General Public License
   * along with this library.  If not, see <http://www.gnu.org/licenses/>.
   */
  
  #include <libopencm3/stm32/usart.h>
  