Physical output quantity added in device info

src/lasp/device/lasp_deviceinfo.h

@@ -97,10 +97,22 @@ public:
   }
 
   /**
-   * @brief Whether the device has an internal monitor of the output signal.
+   * @brief Whether the device has an internal monitor of the output signal. If
+   * true, the device is able to monitor output signals internally and able to
+   * present output signals as virtual input signals. This only works together
+   * Daq's that are able to run in full duplex mode.
    */
   bool hasInternalOutputMonitor = false;
 
+  /**
+   * @brief The physical quantity of the output signal. For 'normal' audio
+   * devices, this is typically a 'number' between +/- full scale. For some
+   * devices however, the output quantity corresponds to a physical signal,
+   * such a Volts.
+   */
+  DaqChannel::Qty physicalOutputQty = DaqChannel::Qty::Number;
+
+
   /**
    * @brief String representation of DeviceInfo
    *

src/lasp/device/lasp_uldaq.cpp

@@ -629,6 +629,8 @@ void fillUlDaqDeviceInfo(std::vector<DeviceInfo> &devinfolist) {
     name += string(descriptor.productName) + " " + string(descriptor.uniqueId);
     devinfo.device_name = std::move(name);
 
+    devinfo.physicalOutputQty = DaqChannel::Qty::Voltage;
+
     devinfo.api_specific_devindex = i;
     devinfo.availableDataTypes.push_back(
         DataTypeDescriptor::DataType::dtype_fl64);

src/lasp/pybind11/lasp_deviceinfo.cpp

@@ -1,4 +1,3 @@
-#include <pybind11/numpy.h>
 #include <pybind11/stl.h>
 #include <stdint.h>
 #include "lasp_deviceinfo.h"
@@ -36,5 +35,7 @@ void init_deviceinfo(py::module& m) {
   devinfo.def_readonly("hasInputACCouplingSwitch",
                        &DeviceInfo::hasInputACCouplingSwitch);
 
+  devinfo.def_readonly("physicalOutputQty", &DeviceInfo::physicalOutputQty);
+
 }