public bool Find(bool bMainController, out IT87XX pEnvironmentController)
{
pEnvironmentController = null;
lock (m_findLock)
{
try
{
ChipID = Chip.Unknown;
if (bMainController)
{
FindMainEnvironmentController(out pEnvironmentController);
}
return((pEnvironmentController != null) ? true : false);
}
catch (Exception)
{
return(false);
}
}
}
private bool FindMainEnvironmentController(ushort registerPort, ushort valuePort, out IT87XX pEnvironmentController)
{
bool result = false;
bool flag = false;
Mutex mutex = null;
pEnvironmentController = null;
if (registerPort != 46)
{
return(result);
}
try
{
bool createdNew;
mutex = new Mutex(initiallyOwned: true, MutexName4MBPnPMode, out createdNew);
if (!createdNew)
{
mutex.WaitOne(MutexTimeout4MBPnPMode);
}
IT87Enter(registerPort);
flag = true;
ushort num5 = ReadWord(registerPort, valuePort, 32);
Chip chip;
switch (num5)
{
case 34336:
chip = Chip.IT8620E;
break;
case 34344:
chip = Chip.IT8626;
break;
case 34438:
chip = Chip.IT8686E;
break;
case 34440:
chip = Chip.IT8688;
break;
case 34600:
chip = Chip.IT8728F;
break;
default:
chip = Chip.Unknown;
break;
}
ChipID = chip;
if (chip == Chip.Unknown && num5 != 0 && num5 != ushort.MaxValue)
{
IT87Exit(registerPort, valuePort);
return(result);
}
Select(registerPort, valuePort, 4);
ushort num = ReadWord(registerPort, valuePort, 96);
Thread.Sleep(1);
ushort num2 = ReadWord(registerPort, valuePort, 96);
byte b = (byte)(ReadByte(registerPort, valuePort, 34) & 0xF);
Select(registerPort, valuePort, 7);
ushort num3 = ReadWord(registerPort, valuePort, 98);
Thread.Sleep(1);
ushort num4 = ReadWord(registerPort, valuePort, 98);
IT87Exit(registerPort, valuePort);
flag = false;
if (num != num2 || num < 256 || (num & 0xF007) != 0)
{
return(result);
}
if (num3 != num4 || num3 < 256 || (num3 & 0xF007) != 0)
{
return(result);
}
result = true;
switch (chip)
{
case Chip.IT8620E:
case Chip.IT8626:
case Chip.IT8686E:
case Chip.IT8688:
pEnvironmentController = new IT8620(ChipID, num, num3, b);
return(result);
case Chip.IT8728F:
pEnvironmentController = new IT8728(ChipID, num, num3, b);
return(result);
default:
result = false;
return(result);
}
}
catch (Exception)
{
return(result);
}
finally
{
if (flag)
{
IT87Exit(registerPort, valuePort);
}
mutex?.ReleaseMutex();
}
}
private bool FindMainEnvironmentController(out IT87XX pEnvironmentController)
{
RegisterPort = REGISTER_PORTS[0];
ValuePort = VALUE_PORTS[0];
return(FindMainEnvironmentController(REGISTER_PORTS[0], VALUE_PORTS[0], out pEnvironmentController));
}