AMiRo-OS

/**

  ******************************************************************************

  * @file    stm32f4xx_iwdg.h

  * @author  MCD Application Team

  * @version V1.1.0

  * @date    11-January-2013

  * @brief   This file contains all the functions prototypes for the IWDG 

  *          firmware library.

  ******************************************************************************

  * @attention

  *

  * <h2><center>&copy; COPYRIGHT 2013 STMicroelectronics</center></h2>

  *

  * Licensed under MCD-ST Liberty SW License Agreement V2, (the "License");

  * You may not use this file except in compliance with the License.

  * You may obtain a copy of the License at:

  *

  *        http://www.st.com/software_license_agreement_liberty_v2

  *

  * Unless required by applicable law or agreed to in writing, software 

  * distributed under the License is distributed on an "AS IS" BASIS, 

  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.

  * See the License for the specific language governing permissions and

  * limitations under the License.

  *

  ******************************************************************************

  */

/* Define to prevent recursive inclusion -------------------------------------*/

#ifndef __STM32F4xx_IWDG_H

#define __STM32F4xx_IWDG_H

#ifdef __cplusplus

 extern "C" {

#endif

/* Includes ------------------------------------------------------------------*/

#include "stm32f4xx.h"

/** @addtogroup STM32F4xx_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 IS_IWDG_FLAG(FLAG) (((FLAG) == IWDG_FLAG_PVU) || ((FLAG) == IWDG_FLAG_RVU))

#define IS_IWDG_RELOAD(RELOAD) ((RELOAD) <= 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);

/* IWDG activation function ***************************************************/

void IWDG_Enable(void);

/* Flag management function ***************************************************/

FlagStatus IWDG_GetFlagStatus(uint16_t IWDG_FLAG);

#ifdef __cplusplus

}

#endif

#endif /* __STM32F4xx_IWDG_H */

/**

  * @}

  */

/**

  * @}

  */

/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/