lib/main/STM32F4/Drivers/STM32F4xx_StdPeriph_Driver/inc/stm32f4xx_wwdg.h

   1 /**
   2   ******************************************************************************
   3   * @file    stm32f4xx_wwdg.h
   4   * @author  MCD Application Team
   5   * @version V1.7.1
   6   * @date    20-May-2016
   7   * @brief   This file contains all the functions prototypes for the WWDG firmware
   8   *          library.
   9   ******************************************************************************
  10   * @attention
  11   *
  12   * <h2><center>&copy; COPYRIGHT 2016 STMicroelectronics</center></h2>
  13   *
  14   * Licensed under MCD-ST Liberty SW License Agreement V2, (the "License");
  15   * You may not use this file except in compliance with the License.
  16   * You may obtain a copy of the License at:
  17   *
  18   *        http://www.st.com/software_license_agreement_liberty_v2
  19   *
  20   * Unless required by applicable law or agreed to in writing, software
  21   * distributed under the License is distributed on an "AS IS" BASIS,
  22   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  23   * See the License for the specific language governing permissions and
  24   * limitations under the License.
  25   *
  26   ******************************************************************************
  27   */
  28
  29 /* Define to prevent recursive inclusion -------------------------------------*/
  30 #ifndef __STM32F4xx_WWDG_H
  31 #define __STM32F4xx_WWDG_H
  32
  33 #ifdef __cplusplus
  34  extern "C" {
  35 #endif
  36
  37 /* Includes ------------------------------------------------------------------*/
  38 #include "stm32f4xx.h"
  39
  40 /** @addtogroup STM32F4xx_StdPeriph_Driver
  41   * @{
  42   */
  43
  44 /** @addtogroup WWDG
  45   * @{
  46   */
  47
  48 /* Exported types ------------------------------------------------------------*/
  49 /* Exported constants --------------------------------------------------------*/
  50
  51 /** @defgroup WWDG_Exported_Constants
  52   * @{
  53   */
  54
  55 /** @defgroup WWDG_Prescaler
  56   * @{
  57   */
  58
  59 #define WWDG_Prescaler_1    ((uint32_t)0x00000000)
  60 #define WWDG_Prescaler_2    ((uint32_t)0x00000080)
  61 #define WWDG_Prescaler_4    ((uint32_t)0x00000100)
  62 #define WWDG_Prescaler_8    ((uint32_t)0x00000180)
  63 #define IS_WWDG_PRESCALER(PRESCALER) (((PRESCALER) == WWDG_Prescaler_1) || \
  64                                       ((PRESCALER) == WWDG_Prescaler_2) || \
  65                                       ((PRESCALER) == WWDG_Prescaler_4) || \
  66                                       ((PRESCALER) == WWDG_Prescaler_8))
  67 #define IS_WWDG_WINDOW_VALUE(VALUE) ((VALUE) <= 0x7F)
  68 #define IS_WWDG_COUNTER(COUNTER) (((COUNTER) >= 0x40) && ((COUNTER) <= 0x7F))
  69
  70 /**
  71   * @}
  72   */
  73
  74 /**
  75   * @}
  76   */
  77
  78 /* Exported macro ------------------------------------------------------------*/
  79 /* Exported functions --------------------------------------------------------*/
  80
  81 /*  Function used to set the WWDG configuration to the default reset state ****/
  82 void WWDG_DeInit(void);
  83
  84 /* Prescaler, Refresh window and Counter configuration functions **************/
  85 void WWDG_SetPrescaler(uint32_t WWDG_Prescaler);
  86 void WWDG_SetWindowValue(uint8_t WindowValue);
  87 void WWDG_EnableIT(void);
  88 void WWDG_SetCounter(uint8_t Counter);
  89
  90 /* WWDG activation function ***************************************************/
  91 void WWDG_Enable(uint8_t Counter);
  92
  93 /* Interrupts and flags management functions **********************************/
  94 FlagStatus WWDG_GetFlagStatus(void);
  95 void WWDG_ClearFlag(void);
  96
  97 #ifdef __cplusplus
  98 }
  99 #endif
 100
 101 #endif /* __STM32F4xx_WWDG_H */
 102
 103 /**
 104   * @}
 105   */
 106
 107 /**
 108   * @}
 109   */
 110
 111 /************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/