internal SpiDevice GetActiveDevice()
{
SpiDevice device = null;
for (int i = 0; i < _devices.Count; i++)
{
SpiDevice deviceT = _devices[i];
if (deviceT.IsActive)
{
if (device != null)
{
if (_nullDevice.DisplayWarning || Emulator.Verbose)
{
Trace.WriteLine("Warning: multiple SpiDevices are active on the SpiBus");
_nullDevice.TurnOffWarning();
}
}
device = deviceT;
}
}
if (device == null)
{
if (_nullDevice.DisplayWarning || Emulator.Verbose)
{
Trace.WriteLine("Warning: no SpiDevice is active on the SpiBus");
_nullDevice.TurnOffWarning();
}
device = _nullDevice;
}
return(device);
}