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/******************** (C) COPYRIGHT 2007 STMicroelectronics ******************** 
* File Name          : stm32f10x_iwdg.h 
* Author             : MCD Application Team 
* Date First Issued  : 09/29/2006 
* Description        : This file contains all the functions prototypes for the 
*                      IWDG firmware library. 
******************************************************************************** 
* History: 
* 05/21/2007: V0.3 
* 04/02/2007: V0.2 
* 02/05/2007: V0.1 
* 09/29/2006: V0.01 
******************************************************************************** 
* THE PRESENT SOFTWARE 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 SOFTWARE 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 2007 STMicroelectronics *****END OF FILE****/