WDT Exported Functions

Macros
#define	WDT_CLEAR_RESET_FLAG()
	Clear WDT Reset System Flag. More...
#define	WDT_CLEAR_TIMEOUT_INT_FLAG()
	Clear WDT Time-out Interrupt Flag. More...
#define	WDT_CLEAR_TIMEOUT_WAKEUP_FLAG()
	Clear WDT Wake-up Flag. More...
#define	WDT_GET_RESET_FLAG()
	Get WDT Time-out Reset Flag. More...
#define	WDT_GET_TIMEOUT_INT_FLAG()
	Get WDT Time-out Interrupt Flag. More...
#define	WDT_GET_TIMEOUT_WAKEUP_FLAG()
	Get WDT Time-out Wake-up Flag. More...
#define	WDT_RESET_COUNTER()
	Reset WDT Counter. More...

Functions
__STATIC_INLINE void	WDT_Close (void)
	Stop WDT Counting. More...
__STATIC_INLINE void	WDT_EnableInt (void)
	Enable WDT Time-out Interrupt. More...
__STATIC_INLINE void	WDT_DisableInt (void)
	Disable WDT Time-out Interrupt. More...
void	WDT_Open (uint32_t u32TimeoutInterval, uint32_t u32ResetDelay, uint32_t u32EnableReset, uint32_t u32EnableWakeup)
	Initialize WDT and start counting. More...

Detailed Description

Macro Definition Documentation

WDT_CLEAR_RESET_FLAG

#define WDT_CLEAR_RESET_FLAG

(

)

Clear WDT Reset System Flag.

Parameters

None

Returns

None

This macro clears WDT time-out reset system flag.

Definition at line 71 of file wdt.h.

WDT_CLEAR_TIMEOUT_INT_FLAG

#define WDT_CLEAR_TIMEOUT_INT_FLAG

(

)

Clear WDT Time-out Interrupt Flag.

Parameters

None

Returns

None

This macro clears WDT time-out interrupt flag.

Definition at line 83 of file wdt.h.

WDT_CLEAR_TIMEOUT_WAKEUP_FLAG

#define WDT_CLEAR_TIMEOUT_WAKEUP_FLAG

(

)

Clear WDT Wake-up Flag.

Parameters

None

Returns

None

This macro clears WDT time-out wake-up system flag.

Definition at line 95 of file wdt.h.

WDT_GET_RESET_FLAG

#define WDT_GET_RESET_FLAG

(

)

Get WDT Time-out Reset Flag.

Parameters

None

Return values

0	WDT time-out reset system did not occur
1	WDT time-out reset system occurred

This macro indicates system has been reset by WDT time-out reset or not.

Definition at line 108 of file wdt.h.

WDT_GET_TIMEOUT_INT_FLAG

#define WDT_GET_TIMEOUT_INT_FLAG

(

)

Get WDT Time-out Interrupt Flag.

Parameters

None

Return values

0	WDT time-out interrupt did not occur
1	WDT time-out interrupt occurred

This macro indicates WDT time-out interrupt occurred or not.

Definition at line 121 of file wdt.h.

WDT_GET_TIMEOUT_WAKEUP_FLAG

#define WDT_GET_TIMEOUT_WAKEUP_FLAG

(

)

Get WDT Time-out Wake-up Flag.

Parameters

None

Return values

0	WDT time-out interrupt does not cause CPU wake-up
1	WDT time-out interrupt event cause CPU wake-up

This macro indicates WDT time-out interrupt event has waked up system or not.

Definition at line 134 of file wdt.h.

WDT_RESET_COUNTER

#define WDT_RESET_COUNTER

(

)

Reset WDT Counter.

Parameters

None

Returns

None

This macro is used to reset the internal 18-bit WDT up counter value.

Note

If WDT is activated and time-out reset system function is enabled also, user should
reset the 18-bit WDT up counter value to avoid generate WDT time-out reset signal to
reset system before the WDT time-out reset delay period expires.

Definition at line 149 of file wdt.h.

Function Documentation

WDT_Close()

__STATIC_INLINE void WDT_Close

(

void

)

Stop WDT Counting.

Parameters

None

Returns

None

This function will stop WDT counting and disable WDT module.

Definition at line 165 of file wdt.h.

WDT_DisableInt()

__STATIC_INLINE void WDT_DisableInt

(

void

)

Disable WDT Time-out Interrupt.

Parameters

None

Returns

None

This function will disable the WDT time-out interrupt function.

Definition at line 195 of file wdt.h.

WDT_EnableInt()

__STATIC_INLINE void WDT_EnableInt

(

void

)

Enable WDT Time-out Interrupt.

Parameters

None

Returns

None

This function will enable the WDT time-out interrupt function.

Definition at line 180 of file wdt.h.

WDT_Open()

void WDT_Open	(	uint32_t	u32TimeoutInterval,
		uint32_t	u32ResetDelay,
		uint32_t	u32EnableReset,
		uint32_t	u32EnableWakeup
	)

Initialize WDT and start counting.

Parameters

[in]	u32TimeoutInterval	Time-out interval period of WDT module. Valid values are: WDT_TIMEOUT_2POW4 WDT_TIMEOUT_2POW6 WDT_TIMEOUT_2POW8 WDT_TIMEOUT_2POW10 WDT_TIMEOUT_2POW12 WDT_TIMEOUT_2POW14 WDT_TIMEOUT_2POW16 WDT_TIMEOUT_2POW18
[in]	u32ResetDelay	Configure WDT time-out reset delay period. Valid values are: WDT_RESET_DELAY_1026CLK WDT_RESET_DELAY_130CLK WDT_RESET_DELAY_18CLK WDT_RESET_DELAY_3CLK
[in]	u32EnableReset	Enable WDT time-out reset system function. Valid values are TRUE and FALSE.
[in]	u32EnableWakeup	Enable WDT time-out wake-up system function. Valid values are TRUE and FALSE.

Returns

None

This function makes WDT module start counting with different time-out interval, reset delay period and choose to
enable or disable WDT time-out reset system or wake-up system.

Note

Please make sure that Register Write-Protection Function has been disabled before using this function.

Definition at line 50 of file wdt.c.