2 ******************************************************************************
3 * @file stm32f10x_iwdg.h
4 * @author MCD Application Team
7 * @brief This file contains all the functions prototypes for the IWDG
9 ******************************************************************************
12 * THE PRESENT FIRMWARE WHICH IS FOR GUIDANCE ONLY AIMS AT PROVIDING CUSTOMERS
13 * WITH CODING INFORMATION REGARDING THEIR PRODUCTS IN ORDER FOR THEM TO SAVE
14 * TIME. AS A RESULT, STMICROELECTRONICS SHALL NOT BE HELD LIABLE FOR ANY
15 * DIRECT, INDIRECT OR CONSEQUENTIAL DAMAGES WITH RESPECT TO ANY CLAIMS ARISING
16 * FROM THE CONTENT OF SUCH FIRMWARE AND/OR THE USE MADE BY CUSTOMERS OF THE
17 * CODING INFORMATION CONTAINED HEREIN IN CONNECTION WITH THEIR PRODUCTS.
19 * <h2><center>© COPYRIGHT 2011 STMicroelectronics</center></h2>
20 ******************************************************************************
23 /* Define to prevent recursive inclusion -------------------------------------*/
24 #ifndef __STM32F10x_IWDG_H
25 #define __STM32F10x_IWDG_H
31 /* Includes ------------------------------------------------------------------*/
32 #include "stm32f10x.h"
34 /** @addtogroup STM32F10x_StdPeriph_Driver
42 /** @defgroup IWDG_Exported_Types
50 /** @defgroup IWDG_Exported_Constants
54 /** @defgroup IWDG_WriteAccess
58 #define IWDG_WriteAccess_Enable ((uint16_t)0x5555)
59 #define IWDG_WriteAccess_Disable ((uint16_t)0x0000)
60 #define IS_IWDG_WRITE_ACCESS(ACCESS) (((ACCESS) == IWDG_WriteAccess_Enable) || \
61 ((ACCESS) == IWDG_WriteAccess_Disable))
66 /** @defgroup IWDG_prescaler
70 #define IWDG_Prescaler_4 ((uint8_t)0x00)
71 #define IWDG_Prescaler_8 ((uint8_t)0x01)
72 #define IWDG_Prescaler_16 ((uint8_t)0x02)
73 #define IWDG_Prescaler_32 ((uint8_t)0x03)
74 #define IWDG_Prescaler_64 ((uint8_t)0x04)
75 #define IWDG_Prescaler_128 ((uint8_t)0x05)
76 #define IWDG_Prescaler_256 ((uint8_t)0x06)
77 #define IS_IWDG_PRESCALER(PRESCALER) (((PRESCALER) == IWDG_Prescaler_4) || \
78 ((PRESCALER) == IWDG_Prescaler_8) || \
79 ((PRESCALER) == IWDG_Prescaler_16) || \
80 ((PRESCALER) == IWDG_Prescaler_32) || \
81 ((PRESCALER) == IWDG_Prescaler_64) || \
82 ((PRESCALER) == IWDG_Prescaler_128)|| \
83 ((PRESCALER) == IWDG_Prescaler_256))
88 /** @defgroup IWDG_Flag
92 #define IWDG_FLAG_PVU ((uint16_t)0x0001)
93 #define IWDG_FLAG_RVU ((uint16_t)0x0002)
94 #define IS_IWDG_FLAG(FLAG) (((FLAG) == IWDG_FLAG_PVU) || ((FLAG) == IWDG_FLAG_RVU))
95 #define IS_IWDG_RELOAD(RELOAD) ((RELOAD) <= 0xFFF)
104 /** @defgroup IWDG_Exported_Macros
112 /** @defgroup IWDG_Exported_Functions
116 void IWDG_WriteAccessCmd(uint16_t IWDG_WriteAccess
);
117 void IWDG_SetPrescaler(uint8_t IWDG_Prescaler
);
118 void IWDG_SetReload(uint16_t Reload
);
119 void IWDG_ReloadCounter(void);
120 void IWDG_Enable(void);
121 FlagStatus
IWDG_GetFlagStatus(uint16_t IWDG_FLAG
);
127 #endif /* __STM32F10x_IWDG_H */
140 /******************* (C) COPYRIGHT 2011 STMicroelectronics *****END OF FILE****/