fw_wdt.h File Reference

#include "fw_conf.h"
#include "fw_types.h"

Go to the source code of this file.

Macros
#define	WDT_StartWatchDog()   SFR_SET(WDT_CONTR, 5)
#define	WDT_ResetCounter()   SFR_SET(WDT_CONTR, 4)
#define	WDT_EnableCounterWhenIdle(__STATE__)   SFR_ASSIGN(WDT_CONTR, 3, __STATE__)
#define	WDT_SetCounterPrescaler(__PRE_SCALER__)   (WDT_CONTR = WDT_CONTR & ~0x07 | (__PRE_SCALER__ & 0x07))

Macro Definition Documentation

WDT_EnableCounterWhenIdle

#define WDT_EnableCounterWhenIdle

(

__STATE__

)

SFR_ASSIGN(WDT_CONTR, 3, __STATE__)

Enable or disable watchdog counter in idle mode

Definition at line 41 of file fw_wdt.h.

WDT_ResetCounter

#define WDT_ResetCounter

(

)

SFR_SET(WDT_CONTR, 4)

Reset watchdog counter to avoid reset

Definition at line 37 of file fw_wdt.h.

WDT_SetCounterPrescaler

#define WDT_SetCounterPrescaler

(

__PRE_SCALER__

)

(WDT_CONTR = WDT_CONTR & ~0x07 | (__PRE_SCALER__ & 0x07))

Set counter prescaler. The higher this value is, the longer counter overflow will take place

Toverflow (in seconds) = 12 * 32768 * 2^(PRE_SCALER + 1) / SYSCLK

Definition at line 47 of file fw_wdt.h.

WDT_StartWatchDog

#define WDT_StartWatchDog

(

)

SFR_SET(WDT_CONTR, 5)

Start watchdog. It cannot be stopped in code once it is started

Definition at line 33 of file fw_wdt.h.