private static IDictionary<string, object> MergeDeviceParametersIntoConfiguration(
IDictionary<string, object> config,
AxopatchInterop.AxopatchData deviceParameters)
{
var result = config == null
? new Dictionary<string, object>()
: new Dictionary<string, object>(config);
result["ExternalCommandSensitivity"] = deviceParameters.ExternalCommandSensitivity;
result["ExternalCommandSensitivityUnits"] = deviceParameters.ExternalCommandSensitivityUnits.ToString();
result["Gain"] = deviceParameters.Gain;
result["OperatingMode"] = deviceParameters.OperatingMode.ToString();
return result;
}
private static string InputUnitsForMode(AxopatchInterop.OperatingMode mode)
{
switch (mode)
{
case AxopatchInterop.OperatingMode.Track:
case AxopatchInterop.OperatingMode.VClamp:
return "A";
case AxopatchInterop.OperatingMode.I0:
case AxopatchInterop.OperatingMode.IClampNormal:
case AxopatchInterop.OperatingMode.IClampFast:
return "V";
default:
throw new ArgumentOutOfRangeException("mode");
}
}
public static IMeasurement ConvertOutput(IMeasurement sample, AxopatchInterop.AxopatchData deviceParams)
{
switch (deviceParams.OperatingMode)
{
case AxopatchInterop.OperatingMode.Track:
case AxopatchInterop.OperatingMode.VClamp:
if (String.CompareOrdinal(sample.BaseUnits, "V") != 0)
{
throw new ArgumentException("Sample units must be in Volts.", "sample");
}
if (deviceParams.ExternalCommandSensitivityUnits != AxopatchInterop.ExternalCommandSensitivityUnits.V_V)
{
throw new AxopatchDeviceException("External command units are not V/V as expected for current device mode.");
}
break;
case AxopatchInterop.OperatingMode.I0:
case AxopatchInterop.OperatingMode.IClampNormal:
case AxopatchInterop.OperatingMode.IClampFast:
if (String.CompareOrdinal(sample.BaseUnits, "A") != 0)
{
throw new ArgumentException("Sample units must be in Amps.", "sample");
}
if (deviceParams.ExternalCommandSensitivityUnits != AxopatchInterop.ExternalCommandSensitivityUnits.A_V && deviceParams.ExternalCommandSensitivityUnits != AxopatchInterop.ExternalCommandSensitivityUnits.OFF)
{
throw new AxopatchDeviceException("External command units are not A/V as expected for current device mode.");
}
break;
default:
throw new ArgumentOutOfRangeException();
}
IMeasurement result;
if (deviceParams.OperatingMode == AxopatchInterop.OperatingMode.I0 || deviceParams.OperatingMode == AxopatchInterop.OperatingMode.Track)
{
result = MeasurementPool.GetMeasurement(0, 0, "V");
}
else
{
result = (decimal)deviceParams.ExternalCommandSensitivity == 0
? MeasurementPool.GetMeasurement(sample.Quantity, sample.Exponent, "V")
: MeasurementPool.GetMeasurement(sample.Quantity / (decimal)deviceParams.ExternalCommandSensitivity,
sample.Exponent, "V");
}
return result;
}
private static int InputUnitsExponentForMode(AxopatchInterop.OperatingMode mode)
{
switch (mode)
{
case AxopatchInterop.OperatingMode.Track:
case AxopatchInterop.OperatingMode.VClamp:
return -12; //pA
case AxopatchInterop.OperatingMode.I0:
case AxopatchInterop.OperatingMode.IClampNormal:
case AxopatchInterop.OperatingMode.IClampFast:
return -3; //mV
default:
throw new ArgumentOutOfRangeException("mode");
}
}
public static IMeasurement ConvertInput(IMeasurement sample, AxopatchInterop.AxopatchData deviceParams)
{
return MeasurementPool.GetMeasurement(
(sample.QuantityInBaseUnits/(decimal) deviceParams.Gain) * 1000m,
InputUnitsExponentForMode(deviceParams.OperatingMode),
InputUnitsForMode(deviceParams.OperatingMode));
}
