ST STM32F2 User Manual

UM1940
HAL IWDG Generic Driver
DocID028236 Rev 2
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27.2.5 Detailed description of functions
HAL_IWDG_Init
Function name
HAL_StatusTypeDef HAL_IWDG_Init (IWDG_HandleTypeDef *
hiwdg)
Function description
Initialize the IWDG according to the specified parameters in the
IWDG_InitTypeDef and start watchdog.
Parameters
hiwdg: pointer to a IWDG_HandleTypeDef structure that
contains the configuration information for the specified IWDG
module.
Return values
HAL: status
HAL_IWDG_Refresh
Function name
HAL_StatusTypeDef HAL_IWDG_Refresh
(IWDG_HandleTypeDef * hiwdg)
Function description
Refresh the IWDG.
Parameters
hiwdg: pointer to a IWDG_HandleTypeDef structure that
contains the configuration information for the specified IWDG
module.
Return values
HAL: status
27.3 IWDG Firmware driver defines
27.3.1 IWDG
IWDG Exported Macros
__HAL_IWDG_START
Description:
Enable the IWDG peripheral.
Parameters:
__HANDLE__: IWDG handle
Return value:
None
__HAL_IWDG_RELOAD_COUNTER
Description:
Reload IWDG counter with value defined in
the reload register (write access to IWDG_PR
& IWDG_RLR registers disabled).
Parameters:
__HANDLE__: IWDG handle
Return value:
None
IWDG Prescaler

ST STM32F2 Specifications

General

Brand	ST
Model	STM32F2
Category	Microcontrollers
Language	English