WDT

wdt functions More...

Ameba Common
typedef void(*	wdt_irq_handler) (uint32_t id)
void	watchdog_init (uint32_t timeout_ms)
	Initializes the watch dog, include time setting, mode register. More...
void	watchdog_start (void)
	Start the watchdog counting. More...
void	watchdog_stop (void)
	Stop the watchdog counting. More...
void	watchdog_refresh (void)
	Refresh the watchdog counting to prevent WDT timeout. More...
void	watchdog_irq_init (wdt_irq_handler handler, uint32_t id)
	Switch the watchdog timer to interrupt mode and register a watchdog timer timeout interrupt handler. The interrupt handler will be called when the watch-dog timer is timeout. More...

Detailed Description

wdt functions

Function Documentation

void watchdog_init

(

uint32_t

timeout_ms

)

Initializes the watch dog, include time setting, mode register.

Parameters

timeout_ms

the watch-dog timer timeout value, in ms. default action of timeout is to reset the whole system.

Return values

none

void watchdog_irq_init	(	wdt_irq_handler	handler,
		uint32_t	id
	)

Switch the watchdog timer to interrupt mode and register a watchdog timer timeout interrupt handler. The interrupt handler will be called when the watch-dog timer is timeout.

Parameters

handler	the callback function for WDT timeout interrupt.
id	the parameter for the callback function

Return values

none

void watchdog_refresh

(

void

)

Refresh the watchdog counting to prevent WDT timeout.

Parameters

None

Return values

none

void watchdog_start

(

void

)

Start the watchdog counting.

Parameters

None

Return values

none

void watchdog_stop

(

void

)

Stop the watchdog counting.

Parameters

None

Return values

none