/// <summary> Fires the <c>OnDeviceDetached</c> event. </summary>
/// <param name="Device"> The Input/Output device object. </param>
/// <seealso cref="wclWeDoIo"/>
protected virtual void DoDeviceDetached(wclWeDoIo Device)
{
if (OnDeviceDetached != null)
{
OnDeviceDetached(this, Device);
}
}
private void HubDeviceAttached(Object Sender, wclWeDoIo Device)
{
// Make sure device is not attached yet.
foreach (wclWeDoIo Io in FDevices)
{
if (Io.ConnectionId == Device.ConnectionId)
{
return;
}
}
FDevices.Add(Device);
DoDeviceAttached(Device);
}
/// <summary> This method called internally by the <see cref="wclWeDoHub"/>
/// to notify about characteristic changes. A derived class may override this method
/// to check for required characteristic changes. </summary>
/// <param name="Handle"> The characteristic handle. </param>
/// <param name="Value"> The new characteristic value. </param>
internal override void CharacteristicChanged(UInt16 Handle, Byte[] Value)
{
// Process data only if it presents.
if (Value != null && Value.Length > 0)
{
// Button pressed?
if (FButtonStateChar != null && Handle == FButtonStateChar.Value.Handle)
{
DoButtonStateChanged(Value[0] == 1);
}
// Low voltage?
if (FLowVoltageAlertChar != null && Handle == FLowVoltageAlertChar.Value.Handle)
{
DoLowVoltageAlert(Value[0] == 1);
}
// High current!
if (FHighCurrentAleartChar != null && Handle == FHighCurrentAleartChar.Value.Handle)
{
DoHightCurrentAlert(Value[0] == 1);
}
// Low signal
if (FLowSignalChar != null && Handle == FLowSignalChar.Value.Handle)
{
DoLowSignalAlert(Value[0] == 1);
}
// IO attached/detached
if (FIoAttachedChar != null && Handle == FIoAttachedChar.Value.Handle)
{
if (Value.Length >= 2)
{
if (Value[1] == 1)
{
// Attached
wclWeDoIo Io = wclWeDoIo.Attach(Hub, Value);
if (Io != null)
{
DoDeviceAttached(Io);
}
}
else
{
// Detached.
DoDeviceDetached(Value[0]);
}
}
}
}
}
private void HubDeviceDetached(Object Sender, Byte ConnectionId)
{
wclWeDoIo Io = null;
// Make sure device was attached.
for (Int32 i = 0; i < FDevices.Count; i++)
{
if (FDevices[i].ConnectionId == ConnectionId)
{
Io = FDevices[i];
break;
}
}
if (Io != null)
{
Io.Detach();
DoDeviceDetached(Io);
FDevices.Remove(Io);
}
}