2 ******************************************************************************
3 * @file stm32f4xx_wwdg.h
4 * @author MCD Application Team
7 * @brief This file contains all the functions prototypes for the WWDG firmware
9 ******************************************************************************
12 * THE PRESENT FIRMWARE WHICH IS FOR GUIDANCE ONLY AIMS AT PROVIDING CUSTOMERS
13 * WITH CODING INFORMATION REGARDING THEIR PRODUCTS IN ORDER FOR THEM TO SAVE
14 * TIME. AS A RESULT, STMICROELECTRONICS SHALL NOT BE HELD LIABLE FOR ANY
15 * DIRECT, INDIRECT OR CONSEQUENTIAL DAMAGES WITH RESPECT TO ANY CLAIMS ARISING
16 * FROM THE CONTENT OF SUCH FIRMWARE AND/OR THE USE MADE BY CUSTOMERS OF THE
17 * CODING INFORMATION CONTAINED HEREIN IN CONNECTION WITH THEIR PRODUCTS.
19 * <h2><center>© COPYRIGHT 2011 STMicroelectronics</center></h2>
20 ******************************************************************************
23 /* Define to prevent recursive inclusion -------------------------------------*/
24 #ifndef __STM32F4xx_WWDG_H
25 #define __STM32F4xx_WWDG_H
31 /* Includes ------------------------------------------------------------------*/
32 #include "stm32f4xx.h"
34 /** @addtogroup STM32F4xx_StdPeriph_Driver
42 /* Exported types ------------------------------------------------------------*/
43 /* Exported constants --------------------------------------------------------*/
45 /** @defgroup WWDG_Exported_Constants
49 /** @defgroup WWDG_Prescaler
53 #define WWDG_Prescaler_1 ((uint32_t)0x00000000)
54 #define WWDG_Prescaler_2 ((uint32_t)0x00000080)
55 #define WWDG_Prescaler_4 ((uint32_t)0x00000100)
56 #define WWDG_Prescaler_8 ((uint32_t)0x00000180)
57 #define IS_WWDG_PRESCALER(PRESCALER) (((PRESCALER) == WWDG_Prescaler_1) || \
58 ((PRESCALER) == WWDG_Prescaler_2) || \
59 ((PRESCALER) == WWDG_Prescaler_4) || \
60 ((PRESCALER) == WWDG_Prescaler_8))
61 #define IS_WWDG_WINDOW_VALUE(VALUE) ((VALUE) <= 0x7F)
62 #define IS_WWDG_COUNTER(COUNTER) (((COUNTER) >= 0x40) && ((COUNTER) <= 0x7F))
72 /* Exported macro ------------------------------------------------------------*/
73 /* Exported functions --------------------------------------------------------*/
75 /* Function used to set the WWDG configuration to the default reset state ****/
76 void WWDG_DeInit(void);
78 /* Prescaler, Refresh window and Counter configuration functions **************/
79 void WWDG_SetPrescaler(uint32_t WWDG_Prescaler);
80 void WWDG_SetWindowValue(uint8_t WindowValue);
81 void WWDG_EnableIT(void);
82 void WWDG_SetCounter(uint8_t Counter);
84 /* WWDG activation function ***************************************************/
85 void WWDG_Enable(uint8_t Counter);
87 /* Interrupts and flags management functions **********************************/
88 FlagStatus WWDG_GetFlagStatus(void);
89 void WWDG_ClearFlag(void);
95 #endif /* __STM32F4xx_WWDG_H */
105 /******************* (C) COPYRIGHT 2011 STMicroelectronics *****END OF FILE****/