WDG_ex.c File Reference

Extensions for WDG peripherals. More...

#include "sarmfsw.h"
#include "WDG_ex.h"

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Functions
bool	WDG_ex_get_IWDG_state (void)
	Get IWDG status.
bool	WDG_ex_get_WWDG_state (void)
	Get IWDG status.
void	WDG_ex_refresh_all (void)
	Refresh IWDG & WWDG.
void	WDG_ex_refresh_IWDG (void)
	Refresh IWDG.
void	WDG_ex_refresh_WWDG (void)
	Refresh WWDG.
void	WDG_ex_save_cfg (void)
	Save IWDG & WWDG configuration.
HAL_StatusTypeDef	WDG_ex_restore_cfg (void)
	Restore saved IWDG & WWDG configuration.
HAL_StatusTypeDef	WDG_ex_set_IWDG_Period_us (IWDG_HandleTypeDef *const pIwdg, const uint32_t per)
	Set IWDG period (in us)
uint32_t	WDG_ex_get_IWDG_Period_us (const IWDG_HandleTypeDef *const pIwdg)
	Get IWDG period (in us)
HAL_StatusTypeDef	WDG_ex_Init (void)
	Initialize WDG_ex module and start watchdog(s)

Detailed Description

Extensions for WDG peripherals.

Author

SMFSW

Copyright

MIT (c) 2017-2026, SMFSW

Note

For proper sync to use state related functionalities (get and update), you shall disable call to MX_IWDG_Init and/or MX_WWDG_Init in HAL generated from ioc file, WDG_ex_Init have to be called instead at the end of your init routine.

Function Documentation

WDG_ex_get_IWDG_Period_us()

uint32_t WDG_ex_get_IWDG_Period_us

(

const IWDG_HandleTypeDef *const

pIwdg

)

Get IWDG period (in us)

Parameters

[in]

pIwdg

- Pointer to IWDG instance

Returns

Period (in us)

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WDG_ex_get_IWDG_state()

bool WDG_ex_get_IWDG_state

(

void

)

Get IWDG status.

Returns

IWDG enabled state

WDG_ex_get_WWDG_state()

bool WDG_ex_get_WWDG_state

(

void

)

Get IWDG status.

Returns

WWDG enabled state

WDG_ex_Init()

HAL_StatusTypeDef WDG_ex_Init

(

void

)

Initialize WDG_ex module and start watchdog(s)

Returns

HAL Status

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WDG_ex_refresh_all()

void WDG_ex_refresh_all

(

void

)

Refresh IWDG & WWDG.

WDG_ex_refresh_IWDG()

void WDG_ex_refresh_IWDG

(

void

)

Refresh IWDG.

WDG_ex_refresh_WWDG()

void WDG_ex_refresh_WWDG

(

void

)

Refresh WWDG.

WDG_ex_restore_cfg()

HAL_StatusTypeDef WDG_ex_restore_cfg

(

void

)

Restore saved IWDG & WWDG configuration.

Returns

HAL Status

WDG_ex_save_cfg()

void WDG_ex_save_cfg

(

void

)

Save IWDG & WWDG configuration.

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WDG_ex_set_IWDG_Period_us()

HAL_StatusTypeDef WDG_ex_set_IWDG_Period_us	(	IWDG_HandleTypeDef *const	pIwdg,
		const uint32_t	per )

Set IWDG period (in us)

Warning

125us granularity for a 32KHz clock with minimum prescaler of 4 (typical STM32 IWDG architecture)

Parameters

[in,out]	pIwdg	- Pointer to IWDG instance
[in]	per	- Period (in us)

Returns

HAL Status

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