Watchdog Functions

AT91 on-chip watchdog timer. More...

Collaboration diagram for Watchdog Functions:

Functions
uint32_t	At91WatchDogStart (uint32_t ms, uint32_t xmode)
	Start the AT91 hardware watch dog timer.
void	At91WatchDogRestart (void)
	Re-start the AT91 hardware watch dog timer.
void	At91WatchDogDisable (void)
	Disable the AT91 hardware watch dog timer.
void	At91WatchDogEnable (void)
	Enable the AT91 hardware watch dog timer.

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Detailed Description

AT91 on-chip watchdog timer.

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Function Documentation

uint32_t At91WatchDogStart	(	uint32_t	ms,
		uint32_t	xmode
	)

Start the AT91 hardware watch dog timer.

For portability, applications should use the platform independent Watchdog Driver API.

Definition at line 69 of file wdt_at91.c.

References At91WatchDogDisable(), At91WatchDogRestart(), NutGetCpuClock(), outr, WD_CKEY, WD_CMR, WD_HPCV, WD_OKEY, WD_OMR, WD_RSTEN, WD_WDCLKS_MCK1024, WD_WDCLKS_MCK128, WD_WDCLKS_MCK32, WD_WDCLKS_MCK8, WD_WDEN, WDT_MR, WDT_WDDBGHLT, WDT_WDIDLEHLT, and WDT_WDRSTEN.

Referenced by At91Reset(), and NutWatchDogStart().

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void At91WatchDogRestart

(

void

)

Re-start the AT91 hardware watch dog timer.

For portability, applications should use the platform independent Watchdog Driver API.

Definition at line 135 of file wdt_at91.c.

References outr, WD_CR, WD_RSTKEY, WDT_CR, WDT_KEY, and WDT_WDRSTT.

Referenced by At91WatchDogEnable(), At91WatchDogStart(), and NutWatchDogRestart().

void At91WatchDogDisable

(

void

)

Disable the AT91 hardware watch dog timer.

For portability, applications should use the platform independent Watchdog Driver API.

Definition at line 150 of file wdt_at91.c.

References inr, outr, WD_OKEY, WD_OMR, WD_WDEN, WDT_MR, and WDT_WDDIS.

Referenced by At91WatchDogStart(), and NutWatchDogDisable().

void At91WatchDogEnable

(

void

)

Enable the AT91 hardware watch dog timer.

For portability, applications should use the platform independent Watchdog Driver API.

Definition at line 168 of file wdt_at91.c.

References At91WatchDogRestart(), inr, outr, WD_OKEY, WD_OMR, and WD_WDEN.

Referenced by NutWatchDogEnable().

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