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/**
******************************************************************************
* @file stm32f30x_iwdg.h
* @author MCD Application Team
* @version V1.1.0
* @date 27-February-2014
* @brief This file contains all the functions prototypes for the IWDG
* firmware library.
******************************************************************************
* @attention
*
* <h2><center>© 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 __STM32F30x_IWDG_H
#define __STM32F30x_IWDG_H
#ifdef __cplusplus
extern "C" {
#endif
/* Includes ------------------------------------------------------------------*/
#include "stm32f30x.h"
/** @addtogroup STM32F30x_StdPeriph_Driver
* @{
*/
/** @addtogroup IWDG
* @{
*/
/* Exported types ------------------------------------------------------------*/
/* Exported constants --------------------------------------------------------*/
/** @defgroup IWDG_Exported_Constants
* @{
*/
/** @defgroup IWDG_WriteAccess
* @{
*/
#define IWDG_WriteAccess_Enable ((uint16_t)0x5555)
#define IWDG_WriteAccess_Disable ((uint16_t)0x0000)
#define IS_IWDG_WRITE_ACCESS(ACCESS) (((ACCESS) == IWDG_WriteAccess_Enable) || \
((ACCESS) == IWDG_WriteAccess_Disable))
/**
* @}
*/
/** @defgroup IWDG_prescaler
* @{
*/
#define IWDG_Prescaler_4 ((uint8_t)0x00)
#define IWDG_Prescaler_8 ((uint8_t)0x01)
#define IWDG_Prescaler_16 ((uint8_t)0x02)
#define IWDG_Prescaler_32 ((uint8_t)0x03)
#define IWDG_Prescaler_64 ((uint8_t)0x04)
#define IWDG_Prescaler_128 ((uint8_t)0x05)
#define IWDG_Prescaler_256 ((uint8_t)0x06)
#define IS_IWDG_PRESCALER(PRESCALER) (((PRESCALER) == IWDG_Prescaler_4) || \
((PRESCALER) == IWDG_Prescaler_8) || \
((PRESCALER) == IWDG_Prescaler_16) || \
((PRESCALER) == IWDG_Prescaler_32) || \
((PRESCALER) == IWDG_Prescaler_64) || \
((PRESCALER) == IWDG_Prescaler_128)|| \
((PRESCALER) == IWDG_Prescaler_256))
/**
* @}
*/
/** @defgroup IWDG_Flag
* @{
*/
#define IWDG_FLAG_PVU ((uint16_t)0x0001)
#define IWDG_FLAG_RVU ((uint16_t)0x0002)
#define IWDG_FLAG_WVU ((uint16_t)0x0002)
#define IS_IWDG_FLAG(FLAG) (((FLAG) == IWDG_FLAG_PVU) || ((FLAG) == IWDG_FLAG_RVU) || \
((FLAG) == IWDG_FLAG_WVU))
/**
* @}
*/
/** @defgroup IWDG_Reload_Value
* @{
*/
#define IS_IWDG_RELOAD(RELOAD) ((RELOAD) <= 0xFFF)
/**
* @}
*/
/** @defgroup IWDG_CounterWindow_Value
* @{
*/
#define IS_IWDG_WINDOW_VALUE(VALUE) ((VALUE) <= 0xFFF)
/**
* @}
*/
/**
* @}
*/
/* Exported macro ------------------------------------------------------------*/
/* Exported functions --------------------------------------------------------*/
/* Prescaler and Counter configuration functions ******************************/
void IWDG_WriteAccessCmd(uint16_t IWDG_WriteAccess);
void IWDG_SetPrescaler(uint8_t IWDG_Prescaler);
void IWDG_SetReload(uint16_t Reload);
void IWDG_ReloadCounter(void);
void IWDG_SetWindowValue(uint16_t WindowValue);
/* IWDG activation function ***************************************************/
void IWDG_Enable(void);
/* Flag management function ***************************************************/
FlagStatus IWDG_GetFlagStatus(uint16_t IWDG_FLAG);
#ifdef __cplusplus
}
#endif
#endif /* __STM32F30x_IWDG_H */
/**
* @}
*/
/**
* @}
*/
/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/
|
