// Note: A constructor summary is auto-generated by the doc builder.
/// <summary></summary>
/// <remarks>This automatically checks that the socket supports Type X or Y as appropriate, and reserves the SDA and SCL pins.
/// An exception will be thrown if there is a problem with these checks.</remarks>
/// <param name="socket">The socket for this software I2C device interface.</param>
/// <param name="address">The address of the I2C device.</param>
/// <param name="clockRateKHz">The maximum clock speed supported by the I2C device.</param>
/// <param name="sdaPin">The socket pin used for I2C data.</param>
/// <param name="sclPin">The socket pin used for I2C clock.</param>
/// <param name="module">The module using this I2C interface, which can be null if unspecified.</param>
public SoftwareI2CBus(Socket socket, Socket.Pin sdaPin, Socket.Pin sclPin, ushort address, int clockRateKHz, Module module)
{
this.address = (byte)address;
this.clockRateKHz = clockRateKHz;
// see if we've already reserved the pins and got instances of the ports, otherwise do that.
string sdaPinString = socket.ToString() + "___" + sdaPin;
if (!ReservedSdaPinPorts.Contains(sdaPinString))
{
sdaPort = DigitalIOFactory.Create(socket, sdaPin, false, GlitchFilterMode.Off, ForceManagedPullUps ? ResistorMode.PullUp : ResistorMode.Disabled, module);
ReservedSdaPinPorts.Add(sdaPinString, sdaPort);
}
else
{
sdaPort = (DigitalIO)ReservedSdaPinPorts[sdaPinString];
}
string sclPinString = socket.ToString() + "___" + sclPin;
if (!ReservedSclPinPorts.Contains(sclPinString))
{
sclPort = DigitalIOFactory.Create(socket, sclPin, false, GlitchFilterMode.Off, ForceManagedPullUps ? ResistorMode.PullUp : ResistorMode.Disabled, module);
ReservedSclPinPorts.Add(sclPinString, sclPort);
}
else
{
sclPort = (DigitalIO)ReservedSclPinPorts[sclPinString];
}
this.socket = socket;
this.sdaPin = sdaPin;
this.sclPin = sclPin;
lock (SoftwareI2CTimeoutList)
{
timeoutCount = -1; // Prevent the TimeoutHandler thread from watching this port for now
SoftwareI2CTimeoutList.Add(this);
if (timeoutThread == null)
{
threadExit = false;
timeoutThread = new Thread(TimeoutHandler);
timeoutThread.Start();
}
}
}
public SoftwareI2CBus(Socket socket, Socket.Pin sdaPin, Socket.Pin sclPin, ushort address, int clockRateKHz, Module module)
{
this.address = (byte)address;
this.clockRateKHz = clockRateKHz;
string key = socket.ToString() + "___" + sdaPin;
if (!ReservedSdaPinPorts.Contains(key))
{
this.sdaPort = DigitalIOFactory.Create(socket, sdaPin, false, GlitchFilterMode.Off, ForceManagedPullUps ? ResistorMode.PullUp : ResistorMode.Disabled, module);
ReservedSdaPinPorts.Add(key, this.sdaPort);
}
else
{
this.sdaPort = (DigitalIO)ReservedSdaPinPorts[key];
}
string str2 = socket.ToString() + "___" + sclPin;
if (!ReservedSclPinPorts.Contains(str2))
{
this.sclPort = DigitalIOFactory.Create(socket, sclPin, false, GlitchFilterMode.Off, ForceManagedPullUps ? ResistorMode.PullUp : ResistorMode.Disabled, module);
ReservedSclPinPorts.Add(str2, this.sclPort);
}
else
{
this.sclPort = (DigitalIO)ReservedSclPinPorts[str2];
}
this.socket = socket;
this.sdaPin = sdaPin;
this.sclPin = sclPin;
ArrayList list = SoftwareI2CTimeoutList;
lock (list)
{
this.timeoutCount = -1;
SoftwareI2CTimeoutList.Add(this);
if (timeoutThread == null)
{
threadExit = false;
timeoutThread = new Thread(new ThreadStart(SoftwareI2CBus.TimeoutHandler));
timeoutThread.Start();
}
}
}
