public bool SetWDT(byte count)
{
report.Clear();
if (Ring0.WaitIsaBusMutex(100))
{
//Unlock W83627
//mov dx,02eh
//mov al,087h
//out dx,al
Ring0.WriteIoPort(REGISTER_PORTS[WDTnumPort], 0x87);
//out dx,al
Ring0.WriteIoPort(REGISTER_PORTS[WDTnumPort], 0x87);
//Select register of watchdog timer
//mov al,07h
//out dx,al
Ring0.WriteIoPort(REGISTER_PORTS[WDTnumPort], 0x07);
//inc dx
//mov al,08h
//out dx,al
Ring0.WriteIoPort(VALUE_PORTS[WDTnumPort], 0x08);
//Enable the function of watchdog timer
//dec dx
//mov al,030h
//out dx,al
Ring0.WriteIoPort(REGISTER_PORTS[WDTnumPort], 0x30);
//inc dx
//mov al,01h
//out dx,al
Ring0.WriteIoPort(VALUE_PORTS[WDTnumPort], 0x01);
//Set minute as counting unit and enable the WDTO#
//dec dx
//mov al,0f5h
//out dx,al
Ring0.WriteIoPort(REGISTER_PORTS[WDTnumPort], 0xF5);
//inc dx
//in al,dx
byte xx = Ring0.ReadIoPort(VALUE_PORTS[WDTnumPort]);
//or al,08h
//Select Watchdog Timer I count mode. 0: Second Mode. 1: Minute Mode.
xx |= 0x08;
//Enable the rising edge of a KBC reset (P20) to issue a time-out event. 0: Disable. 1: Enable.
//or al,04h
//xx |= 0x04;
//or al,02h
//Disable / Enable the Watchdog Timer I output low pulse to the KBRST# pin (PIN28) 0: Disable. 1: Enable.
xx |= 0x02;
//FOR NCT6779D Pulse or Level mode select 0: Pulse mode 1: Level mode
//xx |= 0x01;
//out dx,al
Ring0.WriteIoPort(VALUE_PORTS[WDTnumPort], xx);
//Set timeout interval as COUNT minute and start
//dec dx
//mov al,0f6h
//out dx,al
Ring0.WriteIoPort(REGISTER_PORTS[WDTnumPort], 0xF6);
//inc dx
//mov al,count
//out dx,al
Ring0.WriteIoPort(VALUE_PORTS[WDTnumPort], count);
//Lock W83627
//dec dx
//mov al,0aah
//out dx,al
Ring0.WriteIoPort(REGISTER_PORTS[WDTnumPort], 0xAA);
Ring0.ReleaseIsaBusMutex();
return(true);
}
else
{
report.AppendLine("ISA bus error. Watchdog timer not set.");
}
return(false);
}
private ushort GetWDTChip()
{
ushort i = 0xFF;
for (i = 0; i < REGISTER_PORTS.Length; i++)
{
byte id = 0;
byte revision = 0;
if (Ring0.WaitIsaBusMutex(100))
{
//Unlock W83627
Ring0.WriteIoPort(REGISTER_PORTS[i], 0x87);
Ring0.WriteIoPort(REGISTER_PORTS[i], 0x87);
//Read chip id
Ring0.WriteIoPort(REGISTER_PORTS[i], CHIP_ID_REGISTER);
id = Ring0.ReadIoPort(VALUE_PORTS[i]);
//Read chip version
Ring0.WriteIoPort(REGISTER_PORTS[i], CHIP_REVISION_REGISTER);
revision = Ring0.ReadIoPort(VALUE_PORTS[i]);
//Lock W83627
Ring0.WriteIoPort(REGISTER_PORTS[i], 0xAA);
Ring0.ReleaseIsaBusMutex();
}
else
{
report.AppendLine("Get WDT Chip: ISA bus error.");
return(0xFF);
}
switch (id)
{
case 0x52:
switch (revision)
{
case 0x17:
case 0x3A:
case 0x41: WDTnameChip = "W83627HF"; return(i);
}
break;
case 0x82:
switch (revision & 0xF0)
{
case 0x80: WDTnameChip = "W83627THF"; return(i);
}
break;
case 0x85:
switch (revision)
{
case 0x41: WDTnameChip = "W83687THF"; return(i);
}
break;
case 0x88:
switch (revision & 0xF0)
{
case 0x50:
case 0x60: WDTnameChip = "W83627EHF"; return(i);
}
break;
case 0xA0:
switch (revision & 0xF0)
{
case 0x20: WDTnameChip = "W83627DHG"; return(i);
}
break;
case 0xA5:
switch (revision & 0xF0)
{
case 0x10: WDTnameChip = "W83667HG"; return(i);
}
break;
case 0xB0:
switch (revision & 0xF0)
{
case 0x70: WDTnameChip = "W83627DHGP"; return(i);
}
break;
case 0xB3:
switch (revision & 0xF0)
{
case 0x50: WDTnameChip = "W83667HGB"; return(i);
}
break;
case 0xC3:
switch (revision & 0xF0)
{
case 0x30: WDTnameChip = "NCT6776F"; return(i);
}
break;
/*case 0xC8:
* switch (revision)
* {
* case 0x03: WDTnameChip = "NCT6791D"; return i;
* } break;*/
}
}
return(i);
}
public bool SetWDT(byte count)
{
report.Clear();
if (Ring0.WaitIsaBusMutex(100))
{
//Unlock W83627
//mov dx,02eh
//mov al,087h
//out dx,al
Ring0.WriteIoPort(REGISTER_PORTS[WDTnumPort], 0x87);
//out dx,al
Ring0.WriteIoPort(REGISTER_PORTS[WDTnumPort], 0x87);
//Select register of watchdog timer
//mov al,07h
//out dx,al
Ring0.WriteIoPort(REGISTER_PORTS[WDTnumPort], 0x07);
//inc dx
//mov al,08h
//out dx,al
Ring0.WriteIoPort(VALUE_PORTS[WDTnumPort], 0x08);
//Enable the function of watchdog timer
//dec dx
//mov al,030h
//out dx,al
Ring0.WriteIoPort(REGISTER_PORTS[WDTnumPort], 0x30);
//inc dx
//mov al,01h
//out dx,al
Ring0.WriteIoPort(VALUE_PORTS[WDTnumPort], 0x01);
//Set minute as counting unit and enable the WDTO#
//dec dx
//mov al,0f5h
//out dx,al
Ring0.WriteIoPort(REGISTER_PORTS[WDTnumPort], 0xF5);
//inc dx
//in al,dx
byte xx = Ring0.ReadIoPort(VALUE_PORTS[WDTnumPort]);
//or al,08h
xx |= 0x08;
//or al,02h
xx |= 0x02;
//out dx,al
Ring0.WriteIoPort(VALUE_PORTS[WDTnumPort], xx);
//Set timeout interval as COUNT minute and start
//dec dx
//mov al,0f6h
//out dx,al
Ring0.WriteIoPort(REGISTER_PORTS[WDTnumPort], 0xF6);
//inc dx
//mov al,count
//out dx,al
Ring0.WriteIoPort(VALUE_PORTS[WDTnumPort], count);
//Lock W83627
//dec dx
//mov al,0aah
//out dx,al
Ring0.WriteIoPort(REGISTER_PORTS[WDTnumPort], 0xAA);
Ring0.ReleaseIsaBusMutex();
return(true);
}
else
{
report.AppendLine("ISA bus error. Watchdog timer not set.");
}
return(false);
}