Aaeon PICO-APL1, User Manual

Page: 75 / 90

Appendix A – Watchdog Timer Programming 62
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// Procedure : AaeonWDTEnable
VOID EnterSIOconfig
()
{
IOWriteByte (IoConfAddr,0x87);
IOWriteByte (IoConfAddr,0x87);
}
VOID ExitSIOconfig
()
{
IOWriteByte (IoConfAddr,0xAA);
}
VOID SetWDT
()
IOWriteByte (IoConfAddr,0x2B);
IOWriteByte(IoC1, (IOReadByte(IoC1)&0xFC));
}
// 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