text: /**
    ******************************************************************************
    * @file    OPAMP/OPAMP_PGA/Inc/main.h
    * @author  MCD Application Team
    * @brief   Header for main.c module
    ******************************************************************************
    * @attention
    *
    * <h2><center>&copy; COPYRIGHT(c) 2017 STMicroelectronics</center></h2>
    *
    * Redistribution and use in source and binary forms, with or without modification,
    * are permitted provided that the following conditions are met:
    *   1. Redistributions of source code must retain the above copyright notice,
    *      this list of conditions and the following disclaimer.
    *   2. Redistributions in binary form must reproduce the above copyright notice,
    *      this list of conditions and the following disclaimer in the documentation
    *      and/or other materials provided with the distribution.
    *   3. Neither the name of STMicroelectronics nor the names of its contributors
    *      may be used to endorse or promote products derived from this software
    *      without specific prior written permission.
    *
    * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
    * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
    * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
    * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
    * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
    * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
    * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
    * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
    * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
    * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
    *
    ******************************************************************************
    */
  
  /* Define to prevent recursive inclusion -------------------------------------*/
  #ifndef __MAIN_H
  #define __MAIN_H
  
  /* In CORTEX sleep mode gain can be changed in main or via IT                 */
  /* Uncomment the line below in order to switch gain using IT                  */
  #define CHANGE_GAIN_IN_SLEEP_IN_MAIN 1    
  
  /* Includes ------------------------------------------------------------------*/
  #include "stm32l4xx_hal.h"
  #include "stm32l4xx_nucleo.h"
  
  /* Exported types ------------------------------------------------------------*/
  /* Exported constants --------------------------------------------------------*/
  /* Exported macro ------------------------------------------------------------*/
  /* Exported functions ------------------------------------------------------- */
  
  #endif /* __MAIN_H */
  
  /************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/
  