text: /**
    ******************************************************************************
    * @file    stm32l1xx_wwdg.h
    * @author  MCD Application Team
    * @version V1.3.0
    * @date    31-January-2014
    * @brief   This file contains all the functions prototypes for the WWDG 
    *          firmware library.
    ******************************************************************************
    * @attention
    *
    * <h2><center>&copy; COPYRIGHT(c) 2014 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 __STM32L1xx_WWDG_H
  #define __STM32L1xx_WWDG_H
  
  #ifdef __cplusplus
   extern "C" {
  #endif
  
  /* Includes ------------------------------------------------------------------*/
  #include "stm32l1xx.h"
  
  /** @addtogroup STM32L1xx_StdPeriph_Driver
    * @{
    */
  
  /** @addtogroup WWDG
    * @{
    */ 
  
  /* Exported types ------------------------------------------------------------*/
  /* Exported constants --------------------------------------------------------*/
  
  /** @defgroup WWDG_Exported_Constants
    * @{
    */ 
    
  /** @defgroup WWDG_Prescaler 
    * @{
    */ 
    
  #define WWDG_Prescaler_1    ((uint32_t)0x00000000)
  #define WWDG_Prescaler_2    ((uint32_t)0x00000080)
  #define WWDG_Prescaler_4    ((uint32_t)0x00000100)
  #define WWDG_Prescaler_8    ((uint32_t)0x00000180)
  #define IS_WWDG_PRESCALER(PRESCALER) (((PRESCALER) == WWDG_Prescaler_1) || \
                                        ((PRESCALER) == WWDG_Prescaler_2) || \
                                        ((PRESCALER) == WWDG_Prescaler_4) || \
                                        ((PRESCALER) == WWDG_Prescaler_8))
  #define IS_WWDG_WINDOW_VALUE(VALUE) ((VALUE) <= 0x7F)
  #define IS_WWDG_COUNTER(COUNTER) (((COUNTER) >= 0x40) && ((COUNTER) <= 0x7F))
  
  /**
    * @}
    */ 
  
  /**
    * @}
    */ 
  
  /* Exported macro ------------------------------------------------------------*/
  /* Exported functions ------------------------------------------------------- */
  /*  Function used to set the WWDG configuration to the default reset state ****/  
  void WWDG_DeInit(void);
  
  /* Prescaler, Refresh window and Counter configuration functions **************/
  void WWDG_SetPrescaler(uint32_t WWDG_Prescaler);
  void WWDG_SetWindowValue(uint8_t WindowValue);
  void WWDG_EnableIT(void);
  void WWDG_SetCounter(uint8_t Counter);
  
  /* WWDG activation functions **************************************************/
  void WWDG_Enable(uint8_t Counter);
  
  /* Interrupts and flags management functions **********************************/
  FlagStatus WWDG_GetFlagStatus(void);
  void WWDG_ClearFlag(void);
  
  #ifdef __cplusplus
  }
  #endif
  
  #endif /* __STM32L1xx_WWDG_H */
  
  /**
    * @}
    */ 
  
  /**
    * @}
    */ 
  
  /************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/
  