CARME-M4 BSP  V1.5
stm32f4xx_wwdg.h
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1 
29 /* Define to prevent recursive inclusion -------------------------------------*/
30 #ifndef __STM32F4xx_WWDG_H
31 #define __STM32F4xx_WWDG_H
32 
33 #ifdef __cplusplus
34  extern "C" {
35 #endif
36 
37 /* Includes ------------------------------------------------------------------*/
38 #include "stm32f4xx.h"
39 
48 /* Exported types ------------------------------------------------------------*/
49 /* Exported constants --------------------------------------------------------*/
50 
59 #define WWDG_Prescaler_1 ((uint32_t)0x00000000)
60 #define WWDG_Prescaler_2 ((uint32_t)0x00000080)
61 #define WWDG_Prescaler_4 ((uint32_t)0x00000100)
62 #define WWDG_Prescaler_8 ((uint32_t)0x00000180)
63 #define IS_WWDG_PRESCALER(PRESCALER) (((PRESCALER) == WWDG_Prescaler_1) || \
64  ((PRESCALER) == WWDG_Prescaler_2) || \
65  ((PRESCALER) == WWDG_Prescaler_4) || \
66  ((PRESCALER) == WWDG_Prescaler_8))
67 #define IS_WWDG_WINDOW_VALUE(VALUE) ((VALUE) <= 0x7F)
68 #define IS_WWDG_COUNTER(COUNTER) (((COUNTER) >= 0x40) && ((COUNTER) <= 0x7F))
69 
78 /* Exported macro ------------------------------------------------------------*/
79 /* Exported functions --------------------------------------------------------*/
80 
81 /* Function used to set the WWDG configuration to the default reset state ****/
82 void WWDG_DeInit(void);
83 
84 /* Prescaler, Refresh window and Counter configuration functions **************/
85 void WWDG_SetPrescaler(uint32_t WWDG_Prescaler);
86 void WWDG_SetWindowValue(uint8_t WindowValue);
87 void WWDG_EnableIT(void);
88 void WWDG_SetCounter(uint8_t Counter);
89 
90 /* WWDG activation function ***************************************************/
91 void WWDG_Enable(uint8_t Counter);
92 
93 /* Interrupts and flags management functions **********************************/
94 FlagStatus WWDG_GetFlagStatus(void);
95 void WWDG_ClearFlag(void);
96 
97 #ifdef __cplusplus
98 }
99 #endif
100 
101 #endif /* __STM32F4xx_WWDG_H */
102 
111 /************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/
WWDG_Enable
void WWDG_Enable(uint8_t Counter)
Enables WWDG and load the counter value.
Definition: stm32f4xx_wwdg.c:239
WWDG_DeInit
void WWDG_DeInit(void)
Deinitializes the WWDG peripheral registers to their default reset values.
Definition: stm32f4xx_wwdg.c:138
WWDG_SetCounter
void WWDG_SetCounter(uint8_t Counter)
Sets the WWDG counter value.
Definition: stm32f4xx_wwdg.c:208
WWDG_EnableIT
void WWDG_EnableIT(void)
Enables the WWDG Early Wakeup interrupt(EWI).
Definition: stm32f4xx_wwdg.c:196
WWDG_SetWindowValue
void WWDG_SetWindowValue(uint8_t WindowValue)
Sets the WWDG window value.
Definition: stm32f4xx_wwdg.c:173
WWDG_ClearFlag
void WWDG_ClearFlag(void)
Clears Early Wakeup interrupt flag.
Definition: stm32f4xx_wwdg.c:286
WWDG_SetPrescaler
void WWDG_SetPrescaler(uint32_t WWDG_Prescaler)
Sets the WWDG Prescaler.
Definition: stm32f4xx_wwdg.c:154
WWDG_GetFlagStatus
FlagStatus WWDG_GetFlagStatus(void)
Checks whether the Early Wakeup interrupt flag is set or not.
Definition: stm32f4xx_wwdg.c:266