/******************** (C) COPYRIGHT 2008 STMicroelectronics ********************
* File Name          : stm32f10x_iwdg.h
* Author             : MCD Application Team
* Version            : V2.0.3
* Date               : 09/22/2008
* Description        : This file contains all the functions prototypes for the
*                      IWDG firmware library.
********************************************************************************
* 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.
*******************************************************************************/

/* Define to prevent recursive inclusion -------------------------------------*/
#ifndef __STM32F10x_IWDG_H
#define __STM32F10x_IWDG_H

/* Includes ------------------------------------------------------------------*/
#include "stm32f10x_map.h"

/* Exported types ------------------------------------------------------------*/
/* Exported constants --------------------------------------------------------*/
/* Write access to IWDG_PR and IWDG_RLR registers */
#define IWDG_WriteAccess_Enable     ((u16)0x5555)
#define IWDG_WriteAccess_Disable    ((u16)0x0000)

#define IS_IWDG_WRITE_ACCESS(ACCESS) (((ACCESS) == IWDG_WriteAccess_Enable) || \
                                      ((ACCESS) == IWDG_WriteAccess_Disable))

/* IWDG prescaler */
#define IWDG_Prescaler_4            ((u8)0x00)
#define IWDG_Prescaler_8            ((u8)0x01)
#define IWDG_Prescaler_16           ((u8)0x02)
#define IWDG_Prescaler_32           ((u8)0x03)
#define IWDG_Prescaler_64           ((u8)0x04)
#define IWDG_Prescaler_128          ((u8)0x05)
#define IWDG_Prescaler_256          ((u8)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))

/* IWDG Flag */
#define IWDG_FLAG_PVU               ((u16)0x0001)
#define IWDG_FLAG_RVU               ((u16)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 ------------------------------------------------------- */
void IWDG_WriteAccessCmd(u16 IWDG_WriteAccess);
void IWDG_SetPrescaler(u8 IWDG_Prescaler);
void IWDG_SetReload(u16 Reload);
void IWDG_ReloadCounter(void);
void IWDG_Enable(void);
FlagStatus IWDG_GetFlagStatus(u16 IWDG_FLAG);

#endif /* __STM32F10x_IWDG_H */

/******************* (C) COPYRIGHT 2008 STMicroelectronics *****END OF FILE****/
