///<summary>
/// Only when there is one slave on the bus
///</summary>
public void ReadId()
{
lock (_port)
{
if (_port.InitializePort())
{
if (_port.Reset())
{
this.WriteCommand(Command.ReadRom);
_id = this.Read(8);
}
}
}
}
///<summary>
/// Only when there is one slave on the bus
///</summary>
public void ReadID()
{
lock (_port)
{
if (!_port.InitializePort())
{
return;
}
if (!_port.Reset())
{
return;
}
WriteCommand(Command.ReadROM);
_ID = Read(8);
}
}
private void Run(byte selectedBit)
{
if (!port.Reset())
{
return;
}
if (!port.Write((byte)Command.SearchROM))
{
return;
}
for (var i = 0; i < 512; i++)
{
var ab = (byte)(port.ReadBit() == 0xFF ? 0x01 : 0x00);
ab ^= (byte)(port.ReadBit() == 0xFF ? 0x02 : 0x00);
if (ab != 0x00)
{
if (ab == 0x01)
{
currentID[i] = 0xFF;
}
if (ab == 0x02)
{
currentID[i] = 0x00;
}
if (!port.WriteBit(currentID[i]))
{
return;
}
}
else
{
done = lastDiscrepancy == i;
if (lastDiscrepancy == i)
{
switch (lastSelectedBit)
{
case 0x00:
selectedBit = 0xFF;
break;
case 0xFF:
selectedBit = 0x00;
break;
}
}
currentID[i] = selectedBit;
lastDiscrepancy = i;
lastSelectedBit = selectedBit;
if (!port.WriteBit(selectedBit))
{
return;
}
}
}
}
private void Run(byte selectedBit)
{
if (!_port.Reset())
{
return;
}
if (!_port.Write((byte)Command.SearchRom))
{
return;
}
byte ab = 0x00;
for (int i = 0; i < 512; i++)
{
ab = (byte)(_port.ReadBit() == 0xFF ? 0x01 : 0x00);
ab ^= (byte)(_port.ReadBit() == 0xFF ? 0x02 : 0x00);
/*if (ab == 0x03)
* throw new Exception("No any slaves found");*/
if (ab != 0x00)
{
if (ab == 0x01)
{
_currentId[i] = 0xFF;
}
if (ab == 0x02)
{
_currentId[i] = 0x00;
}
if (!_port.WriteBit(_currentId[i]))
{
return;
}
}
else
{
if (_lastDiscrepancy != i)
{
_done = false;
}
else
{
_done = true;
}
if (_lastDiscrepancy == i)
{
if (_lastSelectedBit == 0x00)
{
selectedBit = 0xFF;
}
else if (_lastSelectedBit == 0xFF)
{
selectedBit = 0x00;
}
}
_currentId[i] = selectedBit;
_lastDiscrepancy = i;
_lastSelectedBit = selectedBit;
if (!_port.WriteBit(selectedBit))
{
return;
}
}
}
}
