ST STM32F2 - IO Operation Functions; Detailed Description of Functions

UM1940
HAL WWDG Generic Driver
DocID028236 Rev 2
693/1371
This section contains the following APIs:
HAL_WWDG_Init()
HAL_WWDG_MspInit()
49.2.4 IO operation functions
This section provides functions allowing to:
Refresh the WWDG.
Handle WWDG interrupt request and associated function callback.
This section contains the following APIs:
HAL_WWDG_Refresh()
HAL_WWDG_IRQHandler()
HAL_WWDG_EarlyWakeupCallback()
49.2.5 Detailed description of functions
HAL_WWDG_Init
Function name
HAL_StatusTypeDef HAL_WWDG_Init
(WWDG_HandleTypeDef * hwwdg)
Function description
Initialize the WWDG according to the specified.
Parameters
hwwdg: pointer to a WWDG_HandleTypeDef structure that
contains the configuration information for the specified
WWDG module.
Return values
HAL: status
HAL_WWDG_MspInit
Function name
void HAL_WWDG_MspInit (WWDG_HandleTypeDef * hwwdg)
Function description
Initialize the WWDG MSP.
Parameters
hwwdg: pointer to a WWDG_HandleTypeDef structure that
contains the configuration information for the specified
WWDG module.
Return values
None:
Notes
When rewriting this function in user file, mechanism may be
added to avoid multiple initialize when HAL_WWDG_Init
function is called again to change parameters.
HAL_WWDG_Refresh
Function name
HAL_StatusTypeDef HAL_WWDG_Refresh
(WWDG_HandleTypeDef * hwwdg)
Function description
Refresh the WWDG.
Parameters
hwwdg: pointer to a WWDG_HandleTypeDef structure that
contains the configuration information for the specified
WWDG module.
Return values
HAL: status