2013-01-08 22:40:58 +08:00
|
|
|
/**
|
|
|
|
|
******************************************************************************
|
|
|
|
|
* @file stm32f4xx_wwdg.h
|
|
|
|
|
* @author MCD Application Team
|
|
|
|
|
* @version V1.0.0
|
|
|
|
|
* @date 30-September-2011
|
|
|
|
|
* @brief This file contains all the functions prototypes for the WWDG firmware
|
|
|
|
|
* library.
|
|
|
|
|
******************************************************************************
|
|
|
|
|
* @attention
|
|
|
|
|
*
|
|
|
|
|
* THE PRESENT FIRMWARE WHICH IS FOR GUIDANCE ONLY AIMS AT PROVIDING CUSTOMERS
|
|
|
|
|
* WITH CODING INFORMATION REGARDING THEIR PRODUCTS IN ORDER FOR THEM TO SAVE
|
|
|
|
|
* TIME. AS A RESULT, STMICROELECTRONICS SHALL NOT BE HELD LIABLE FOR ANY
|
|
|
|
|
* DIRECT, INDIRECT OR CONSEQUENTIAL DAMAGES WITH RESPECT TO ANY CLAIMS ARISING
|
|
|
|
|
* FROM THE CONTENT OF SUCH FIRMWARE AND/OR THE USE MADE BY CUSTOMERS OF THE
|
|
|
|
|
* CODING INFORMATION CONTAINED HEREIN IN CONNECTION WITH THEIR PRODUCTS.
|
|
|
|
|
*
|
|
|
|
|
* <h2><center>© COPYRIGHT 2011 STMicroelectronics</center></h2>
|
|
|
|
|
******************************************************************************
|
|
|
|
|
*/
|
|
|
|
|
|
|
|
|
|
/* Define to prevent recursive inclusion -------------------------------------*/
|
|
|
|
|
#ifndef __STM32F4xx_WWDG_H
|
|
|
|
|
#define __STM32F4xx_WWDG_H
|
|
|
|
|
|
|
|
|
|
#ifdef __cplusplus
|
|
|
|
|
extern "C" {
|
|
|
|
|
#endif
|
|
|
|
|
|
|
|
|
|
/* Includes ------------------------------------------------------------------*/
|
|
|
|
|
#include "stm32f4xx.h"
|
|
|
|
|
|
|
|
|
|
/** @addtogroup STM32F4xx_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 function ***************************************************/
|
|
|
|
|
void WWDG_Enable(uint8_t Counter);
|
|
|
|
|
|
|
|
|
|
/* Interrupts and flags management functions **********************************/
|
|
|
|
|
FlagStatus WWDG_GetFlagStatus(void);
|
|
|
|
|
void WWDG_ClearFlag(void);
|
|
|
|
|
|
|
|
|
|
#ifdef __cplusplus
|
|
|
|
|
}
|
|
|
|
|
#endif
|
|
|
|
|
|
|
|
|
|
#endif /* __STM32F4xx_WWDG_H */
|
|
|
|
|
|
|
|
|
|
/**
|
|
|
|
|
* @}
|
|
|
|
|
*/
|
|
|
|
|
|
|
|
|
|
/**
|
|
|
|
|
* @}
|
|
|
|
|
*/
|
|
|
|
|
|
|
|
|
|
/******************* (C) COPYRIGHT 2011 STMicroelectronics *****END OF FILE****/
|
