Aaeon PICO-CV01 Manuale Utente Scaricare il pdf (Pagina 80)

PICO-ITX Board PICO-CV01

Appendix A Programming the Watchdog Timer A-4

AaeonWDTEnable();

}

*******************************************************************************

// Procedure : AaeonWDTEnable

VOID AaeonWDTEnable (){

WDTEnableDisable(1);

}

// Procedure : AaeonWDTConfig

VOID AaeonWDTConfig (byte Counter, BOOLEAN Unit){

// Disable WDT counting

WDTEnableDisable(0);

// Clear Watchdog Timeout Status

WDTClearTimeoutStatus();

// WDT relative parameter setting

WDTParameterSetting(Timer, Unit);

}

VOID WDTEnableDisable(byte Value){

If (Value == 1)

WDTSetBit(TimerReg, EnableBit, 1);

else

WDTSetBit(TimerReg, EnableBit, 0);

}

VOID WDTParameterSetting(byte Counter, BOOLEAN Unit){

// Watchdog Timer counter setting

WDTWriteByte(CounterReg, Counter);

// WDT counting unit setting

WDTSetBit(TimerReg, UnitBit, Unit);

// WDT output mode set to pulse

WDTSetBit(TimerReg, ModeBit, ModeVal);

// WDT output mode set to active low

WDTSetBit(TimerReg, PolarityBit, PolarityVal);

// WDT output pulse width is 25ms

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Aaeon PICO-CV01 Manuale Utente Pagina 80