Configuration

Functions
__STATIC_INLINE void	LL_IWDG_Enable (IWDG_TypeDef *IWDGx)
	Start the Independent Watchdog. More...
__STATIC_INLINE void	LL_IWDG_ReloadCounter (IWDG_TypeDef *IWDGx)
	Reloads IWDG counter with value defined in the reload register KR KEY LL_IWDG_ReloadCounter. More...
__STATIC_INLINE void	LL_IWDG_EnableWriteAccess (IWDG_TypeDef *IWDGx)
	Enable write access to IWDG_PR, IWDG_RLR and IWDG_WINR registers KR KEY LL_IWDG_EnableWriteAccess. More...
__STATIC_INLINE void	LL_IWDG_DisableWriteAccess (IWDG_TypeDef *IWDGx)
	Disable write access to IWDG_PR, IWDG_RLR and IWDG_WINR registers KR KEY LL_IWDG_DisableWriteAccess. More...
__STATIC_INLINE void	LL_IWDG_SetPrescaler (IWDG_TypeDef *IWDGx, uint32_t Prescaler)
	Select the prescaler of the IWDG PR PR LL_IWDG_SetPrescaler. More...
__STATIC_INLINE uint32_t	LL_IWDG_GetPrescaler (IWDG_TypeDef *IWDGx)
	Get the selected prescaler of the IWDG PR PR LL_IWDG_GetPrescaler. More...
__STATIC_INLINE void	LL_IWDG_SetReloadCounter (IWDG_TypeDef *IWDGx, uint32_t Counter)
	Specify the IWDG down-counter reload value RLR RL LL_IWDG_SetReloadCounter. More...
__STATIC_INLINE uint32_t	LL_IWDG_GetReloadCounter (IWDG_TypeDef *IWDGx)
	Get the specified IWDG down-counter reload value RLR RL LL_IWDG_GetReloadCounter. More...
__STATIC_INLINE void	LL_IWDG_SetWindow (IWDG_TypeDef *IWDGx, uint32_t Window)
	Specify high limit of the window value to be compared to the down-counter. WINR WIN LL_IWDG_SetWindow. More...
__STATIC_INLINE uint32_t	LL_IWDG_GetWindow (IWDG_TypeDef *IWDGx)
	Get the high limit of the window value specified. WINR WIN LL_IWDG_GetWindow. More...

Detailed Description

Function Documentation

LL_IWDG_DisableWriteAccess()

__STATIC_INLINE void LL_IWDG_DisableWriteAccess

(

IWDG_TypeDef *

IWDGx

)

Disable write access to IWDG_PR, IWDG_RLR and IWDG_WINR registers KR KEY LL_IWDG_DisableWriteAccess.

Parameters

IWDGx

IWDG Instance

Return values

None

Definition at line 175 of file stm32l4xx_ll_iwdg.h.

{
  WRITE_REG(IWDGx->KR, LL_IWDG_KEY_WR_ACCESS_DISABLE);
}

LL_IWDG_Enable()

__STATIC_INLINE void LL_IWDG_Enable

(

IWDG_TypeDef *

IWDGx

)

Start the Independent Watchdog.

Note

Except if the hardware watchdog option is selected KR KEY LL_IWDG_Enable

Parameters

IWDGx

IWDG Instance

Return values

None

Definition at line 142 of file stm32l4xx_ll_iwdg.h.

{
  WRITE_REG(IWDGx->KR, LL_IWDG_KEY_ENABLE);
}

LL_IWDG_EnableWriteAccess()

__STATIC_INLINE void LL_IWDG_EnableWriteAccess

(

IWDG_TypeDef *

IWDGx

)

Enable write access to IWDG_PR, IWDG_RLR and IWDG_WINR registers KR KEY LL_IWDG_EnableWriteAccess.

Parameters

IWDGx

IWDG Instance

Return values

None

Definition at line 164 of file stm32l4xx_ll_iwdg.h.

{
  WRITE_REG(IWDGx->KR, LL_IWDG_KEY_WR_ACCESS_ENABLE);
}

LL_IWDG_GetPrescaler()

__STATIC_INLINE uint32_t LL_IWDG_GetPrescaler

(

IWDG_TypeDef *

IWDGx

)

Get the selected prescaler of the IWDG PR PR LL_IWDG_GetPrescaler.

Parameters

IWDGx

IWDG Instance

Return values

Returned

value can be one of the following values: LL_IWDG_PRESCALER_4 LL_IWDG_PRESCALER_8 LL_IWDG_PRESCALER_16 LL_IWDG_PRESCALER_32 LL_IWDG_PRESCALER_64 LL_IWDG_PRESCALER_128 LL_IWDG_PRESCALER_256

Definition at line 212 of file stm32l4xx_ll_iwdg.h.

{
  return (READ_REG(IWDGx->PR));
}

LL_IWDG_GetReloadCounter()

__STATIC_INLINE uint32_t LL_IWDG_GetReloadCounter

(

IWDG_TypeDef *

IWDGx

)

Get the specified IWDG down-counter reload value RLR RL LL_IWDG_GetReloadCounter.

Parameters

IWDGx

IWDG Instance

Return values

Value

between Min_Data=0 and Max_Data=0x0FFF

Definition at line 235 of file stm32l4xx_ll_iwdg.h.

{
  return (READ_REG(IWDGx->RLR));
}

LL_IWDG_GetWindow()

__STATIC_INLINE uint32_t LL_IWDG_GetWindow

(

IWDG_TypeDef *

IWDGx

)

Get the high limit of the window value specified. WINR WIN LL_IWDG_GetWindow.

Parameters

IWDGx

IWDG Instance

Return values

Value

between Min_Data=0 and Max_Data=0x0FFF

Definition at line 258 of file stm32l4xx_ll_iwdg.h.

{
  return (READ_REG(IWDGx->WINR));
}

LL_IWDG_ReloadCounter()

__STATIC_INLINE void LL_IWDG_ReloadCounter

(

IWDG_TypeDef *

IWDGx

)

Reloads IWDG counter with value defined in the reload register KR KEY LL_IWDG_ReloadCounter.

Parameters

IWDGx

IWDG Instance

Return values

None

Definition at line 153 of file stm32l4xx_ll_iwdg.h.

{
  WRITE_REG(IWDGx->KR, LL_IWDG_KEY_RELOAD);
}

LL_IWDG_SetPrescaler()

__STATIC_INLINE void LL_IWDG_SetPrescaler	(	IWDG_TypeDef *	IWDGx,
		uint32_t	Prescaler
	)

Select the prescaler of the IWDG PR PR LL_IWDG_SetPrescaler.

Parameters

IWDGx	IWDG Instance
Prescaler	This parameter can be one of the following values: LL_IWDG_PRESCALER_4 LL_IWDG_PRESCALER_8 LL_IWDG_PRESCALER_16 LL_IWDG_PRESCALER_32 LL_IWDG_PRESCALER_64 LL_IWDG_PRESCALER_128 LL_IWDG_PRESCALER_256

Return values

None

Definition at line 194 of file stm32l4xx_ll_iwdg.h.

{
  WRITE_REG(IWDGx->PR, IWDG_PR_PR & Prescaler);
}

LL_IWDG_SetReloadCounter()

__STATIC_INLINE void LL_IWDG_SetReloadCounter	(	IWDG_TypeDef *	IWDGx,
		uint32_t	Counter
	)

Specify the IWDG down-counter reload value RLR RL LL_IWDG_SetReloadCounter.

Parameters

IWDGx	IWDG Instance
Counter	Value between Min_Data=0 and Max_Data=0x0FFF

Return values

None

Definition at line 224 of file stm32l4xx_ll_iwdg.h.

{
  WRITE_REG(IWDGx->RLR, IWDG_RLR_RL & Counter);
}

LL_IWDG_SetWindow()

__STATIC_INLINE void LL_IWDG_SetWindow	(	IWDG_TypeDef *	IWDGx,
		uint32_t	Window
	)

Specify high limit of the window value to be compared to the down-counter. WINR WIN LL_IWDG_SetWindow.

Parameters

IWDGx	IWDG Instance
Window	Value between Min_Data=0 and Max_Data=0x0FFF

Return values

None

Definition at line 247 of file stm32l4xx_ll_iwdg.h.

{
  WRITE_REG(IWDGx->WINR, IWDG_WINR_WIN & Window);
}