Merge branch 'sensors' into usrp2_dual_dsp

Conflicts:
	host/include/uhd/usrp/dsp_props.hpp
	host/include/uhd/usrp/mboard_props.hpp

14 files changed, 171 insertions, 65 deletions

diff --git a/host/examples/rx_samples_to_file.cpp b/host/examples/rx_samples_to_file.cpp
index 296f480b0..e202fcb1c 100644
--- a/host/examples/rx_samples_to_file.cpp
+++ b/host/examples/rx_samples_to_file.cpp
@@ -78,7 +78,6 @@ int UHD_SAFE_MAIN(int argc, char *argv[]){
     std::cout << boost::format("Actual RX Gain: %f dB...") % usrp->get_rx_gain() << std::endl << std::endl;
 
     boost::this_thread::sleep(boost::posix_time::seconds(1)); //allow for some setup time
-    std::cout << "LO Locked = " << usrp->get_rx_lo_locked() << std::endl;
 
     //setup streaming
     uhd::stream_cmd_t stream_cmd(uhd::stream_cmd_t::STREAM_MODE_NUM_SAMPS_AND_DONE);
diff --git a/host/examples/rx_samples_to_udp.cpp b/host/examples/rx_samples_to_udp.cpp
index 801d8e361..7ea775764 100644
--- a/host/examples/rx_samples_to_udp.cpp
+++ b/host/examples/rx_samples_to_udp.cpp
@@ -80,7 +80,6 @@ int UHD_SAFE_MAIN(int argc, char *argv[]){
     std::cout << boost::format("Actual RX Gain: %f dB...") % usrp->get_rx_gain() << std::endl << std::endl;
 
     boost::this_thread::sleep(boost::posix_time::seconds(1)); //allow for some setup time
-    std::cout << "LO Locked = " << usrp->get_rx_lo_locked() << std::endl;
 
     //setup streaming
     uhd::stream_cmd_t stream_cmd(uhd::stream_cmd_t::STREAM_MODE_NUM_SAMPS_AND_DONE);
diff --git a/host/include/uhd/types/sensors.hpp b/host/include/uhd/types/sensors.hpp
index 6f003bb40..b6215367f 100644
--- a/host/include/uhd/types/sensors.hpp
+++ b/host/include/uhd/types/sensors.hpp
@@ -37,12 +37,6 @@ namespace uhd{
      */
     struct UHD_API sensor_value_t{
 
-        //! typedef for the signed integer type
-        typedef signed int_type;
-
-        //! typedef for the real number type
-        typedef double real_type;
-
         /*!
          * Create a sensor value from a boolean.
          * \param name the name of the sensor
@@ -66,7 +60,7 @@ namespace uhd{
          */
         sensor_value_t(
             const std::string &name,
-            int_type value,
+            signed value,
             const std::string &unit,
             const std::string &formatter = "%d"
         );
@@ -80,7 +74,7 @@ namespace uhd{
          */
         sensor_value_t(
             const std::string &name,
-            real_type value,
+            double value,
             const std::string &unit,
             const std::string &formatter = "%f"
         );
@@ -97,6 +91,15 @@ namespace uhd{
             const std::string &unit
         );
 
+        //! convert the sensor value to a boolean
+        bool to_bool(void) const;
+
+        //! convert the sensor value to an integer
+        signed to_int(void) const;
+
+        //! convert the sensor value to real number
+        double to_real(void) const;
+
         //! The name of the sensor value
         const std::string name;
 
diff --git a/host/include/uhd/usrp/multi_usrp.hpp b/host/include/uhd/usrp/multi_usrp.hpp
index 9215652a6..e2b26f5fb 100644
--- a/host/include/uhd/usrp/multi_usrp.hpp
+++ b/host/include/uhd/usrp/multi_usrp.hpp
@@ -25,6 +25,7 @@
 #include <uhd/types/clock_config.hpp>
 #include <uhd/types/tune_request.hpp>
 #include <uhd/types/tune_result.hpp>
+#include <uhd/types/sensors.hpp>
 #include <uhd/usrp/subdev_spec.hpp>
 #include <uhd/usrp/dboard_iface.hpp>
 #include <boost/shared_ptr.hpp>
@@ -235,6 +236,21 @@ public:
      */
     virtual size_t get_num_mboards(void) = 0;
 
+    /*!
+     * Get a motherboard sensor value.
+     * \param name the name of the sensor
+     * \param mboard the motherboard index 0 to M-1
+     * \return a sensor value object
+     */
+    virtual sensor_value_t get_mboard_sensor(const std::string &name, size_t mboard = 0) = 0;
+
+    /*!
+     * Get a list of possible motherboard sensor names.
+     * \param mboard the motherboard index 0 to M-1
+     * \return a vector of sensor names
+     */
+    virtual std::vector<std::string> get_mboard_sensor_names(size_t mboard = 0) = 0;
+
     /*******************************************************************
      * RX methods
      ******************************************************************/
@@ -383,7 +399,9 @@ public:
      * \param chan the channel index 0 to N-1
      * \return true for locked
      */
-    virtual bool get_rx_lo_locked(size_t chan = 0) = 0;
+    UHD_DEPRECATED bool get_rx_lo_locked(size_t chan = 0){
+        return this->get_rx_sensor("lo_locked", chan).to_bool();
+    }
 
     /*!
      * Set the RX bandwidth on the subdevice.
@@ -405,7 +423,9 @@ public:
      * \return the rssi in dB
      * \throw exception if RSSI readback not supported
      */
-    virtual double read_rssi(size_t chan = 0) = 0;
+    UHD_DEPRECATED double read_rssi(size_t chan = 0){
+        return this->get_rx_sensor("rssi", chan).to_real();
+    }
 
     /*!
      * Get the dboard interface object for the RX subdevice.
@@ -416,6 +436,21 @@ public:
      */
     virtual dboard_iface::sptr get_rx_dboard_iface(size_t chan = 0) = 0;
 
+    /*!
+     * Get an RX subdevice sensor value.
+     * \param name the name of the sensor
+     * \param chan the channel index 0 to N-1
+     * \return a sensor value object
+     */
+    virtual sensor_value_t get_rx_sensor(const std::string &name, size_t chan = 0) = 0;
+
+    /*!
+     * Get a list of possible RX subdevice sensor names.
+     * \param chan the channel index 0 to N-1
+     * \return a vector of sensor names
+     */
+    virtual std::vector<std::string> get_rx_sensor_names(size_t chan = 0) = 0;
+
     /*******************************************************************
      * TX methods
      ******************************************************************/
@@ -564,7 +599,9 @@ public:
      * \param chan the channel index 0 to N-1
      * \return true for locked
      */
-    virtual bool get_tx_lo_locked(size_t chan = 0) = 0;
+    UHD_DEPRECATED bool get_tx_lo_locked(size_t chan = 0){
+        return this->get_tx_sensor("lo_locked", chan).to_bool();
+    }
 
     /*!
      * Set the TX bandwidth on the subdevice.
@@ -588,6 +625,21 @@ public:
      * \return the dboard interface sptr
      */
     virtual dboard_iface::sptr get_tx_dboard_iface(size_t chan = 0) = 0;
+
+    /*!
+     * Get an TX subdevice sensor value.
+     * \param name the name of the sensor
+     * \param chan the channel index 0 to N-1
+     * \return a sensor value object
+     */
+    virtual sensor_value_t get_tx_sensor(const std::string &name, size_t chan = 0) = 0;
+
+    /*!
+     * Get a list of possible TX subdevice sensor names.
+     * \param chan the channel index 0 to N-1
+     * \return a vector of sensor names
+     */
+    virtual std::vector<std::string> get_tx_sensor_names(size_t chan = 0) = 0;
 };
 
 }}
diff --git a/host/lib/types/sensors.cpp b/host/lib/types/sensors.cpp
index 2bff136a4..5f7115d70 100644
--- a/host/lib/types/sensors.cpp
+++ b/host/lib/types/sensors.cpp
@@ -17,6 +17,7 @@
 
 #include <uhd/types/sensors.hpp>
 #include <uhd/utils/exception.hpp>
+#include <boost/lexical_cast.hpp>
 #include <boost/format.hpp>
 
 using namespace uhd;
@@ -35,7 +36,7 @@ sensor_value_t::sensor_value_t(
 
 sensor_value_t::sensor_value_t(
     const std::string &name,
-    int_type value,
+    signed value,
     const std::string &unit,
     const std::string &formatter
 ):
@@ -47,7 +48,7 @@ sensor_value_t::sensor_value_t(
 
 sensor_value_t::sensor_value_t(
     const std::string &name,
-    real_type value,
+    double value,
     const std::string &unit,
     const std::string &formatter
 ):
@@ -79,3 +80,15 @@ std::string sensor_value_t::to_pp_string(void) const{
     }
     UHD_THROW_INVALID_CODE_PATH();
 }
+
+bool sensor_value_t::to_bool(void) const{
+    return value == "true";
+}
+
+signed sensor_value_t::to_int(void) const{
+    return boost::lexical_cast<signed>(value);
+}
+
+double sensor_value_t::to_real(void) const{
+    return boost::lexical_cast<double>(value);
+}
diff --git a/host/lib/usrp/dboard/db_basic_and_lf.cpp b/host/lib/usrp/dboard/db_basic_and_lf.cpp
index b311576d2..b319289db 100644
--- a/host/lib/usrp/dboard/db_basic_and_lf.cpp
+++ b/host/lib/usrp/dboard/db_basic_and_lf.cpp
@@ -173,10 +173,6 @@ void basic_rx::rx_get(const wax::obj &key_, wax::obj &val){
         val = false;
         return;
 
-    case SUBDEV_PROP_LO_LOCKED:
-        val = true; //there is no LO, so it must be true!
-        return;
-
     case SUBDEV_PROP_BANDWIDTH:
         val = subdev_bandwidth_scalar[get_subdev_name()]*_max_freq;
         return;
@@ -284,10 +280,6 @@ void basic_tx::tx_get(const wax::obj &key_, wax::obj &val){
         val = false;
         return;
 
-    case SUBDEV_PROP_LO_LOCKED:
-        val = true; //there is no LO, so it must be true!
-        return;
-
     case SUBDEV_PROP_BANDWIDTH:
         val = subdev_bandwidth_scalar[get_subdev_name()]*_max_freq;
         return;
diff --git a/host/lib/usrp/dboard/db_dbsrx.cpp b/host/lib/usrp/dboard/db_dbsrx.cpp
index 3ea9cea80..98d9479fc 100644
--- a/host/lib/usrp/dboard/db_dbsrx.cpp
+++ b/host/lib/usrp/dboard/db_dbsrx.cpp
@@ -25,6 +25,7 @@
 #include <uhd/utils/algorithm.hpp>
 #include <uhd/utils/warning.hpp>
 #include <uhd/types/ranges.hpp>
+#include <uhd/types/sensors.hpp>
 #include <uhd/types/dict.hpp>
 #include <uhd/usrp/subdev_props.hpp>
 #include <uhd/usrp/dboard_base.hpp>
@@ -561,8 +562,13 @@ void dbsrx::rx_get(const wax::obj &key_, wax::obj &val){
         val = false;
         return;
 
-    case SUBDEV_PROP_LO_LOCKED:
-        val = this->get_locked();
+    case SUBDEV_PROP_SENSOR:
+        UHD_ASSERT_THROW(key.name == "lo_locked");
+        val = sensor_value_t("LO", this->get_locked(), "locked", "unlocked");
+        return;
+
+    case SUBDEV_PROP_SENSOR_NAMES:
+        val = prop_names_t(1, "lo_locked");
         return;
 
     case SUBDEV_PROP_BANDWIDTH:
diff --git a/host/lib/usrp/dboard/db_dbsrx2.cpp b/host/lib/usrp/dboard/db_dbsrx2.cpp
index defb70ff5..f4b797995 100644
--- a/host/lib/usrp/dboard/db_dbsrx2.cpp
+++ b/host/lib/usrp/dboard/db_dbsrx2.cpp
@@ -22,6 +22,7 @@
 #include <uhd/utils/assert.hpp>
 #include <uhd/utils/algorithm.hpp>
 #include <uhd/types/ranges.hpp>
+#include <uhd/types/sensors.hpp>
 #include <uhd/types/dict.hpp>
 #include <uhd/usrp/subdev_props.hpp>
 #include <uhd/usrp/dboard_base.hpp>
@@ -400,8 +401,13 @@ void dbsrx2::rx_get(const wax::obj &key_, wax::obj &val){
         val = false;
         return;
 
-    case SUBDEV_PROP_LO_LOCKED:
-        val = this->get_locked();
+    case SUBDEV_PROP_SENSOR:
+        UHD_ASSERT_THROW(key.name == "lo_locked");
+        val = sensor_value_t("LO", this->get_locked(), "locked", "unlocked");
+        return;
+
+    case SUBDEV_PROP_SENSOR_NAMES:
+        val = prop_names_t(1, "lo_locked");
         return;
 
     case SUBDEV_PROP_BANDWIDTH:
diff --git a/host/lib/usrp/dboard/db_rfx.cpp b/host/lib/usrp/dboard/db_rfx.cpp
index 2c672ded8..3e3cf00f2 100644
--- a/host/lib/usrp/dboard/db_rfx.cpp
+++ b/host/lib/usrp/dboard/db_rfx.cpp
@@ -36,6 +36,7 @@
 #include <uhd/types/dict.hpp>
 #include <uhd/usrp/subdev_props.hpp>
 #include <uhd/types/ranges.hpp>
+#include <uhd/types/sensors.hpp>
 #include <uhd/utils/assert.hpp>
 #include <uhd/utils/static.hpp>
 #include <uhd/utils/algorithm.hpp>
@@ -449,8 +450,13 @@ void rfx_xcvr::rx_get(const wax::obj &key_, wax::obj &val){
         val = false;
         return;
 
-    case SUBDEV_PROP_LO_LOCKED:
-        val = this->get_locked(dboard_iface::UNIT_RX);
+    case SUBDEV_PROP_SENSOR:
+        UHD_ASSERT_THROW(key.name == "lo_locked");
+        val = sensor_value_t("LO", this->get_locked(dboard_iface::UNIT_RX), "locked", "unlocked");
+        return;
+
+    case SUBDEV_PROP_SENSOR_NAMES:
+        val = prop_names_t(1, "lo_locked");
         return;
 
     case SUBDEV_PROP_BANDWIDTH:
@@ -546,8 +552,13 @@ void rfx_xcvr::tx_get(const wax::obj &key_, wax::obj &val){
         val = true;
         return;
 
-    case SUBDEV_PROP_LO_LOCKED:
-        val = this->get_locked(dboard_iface::UNIT_TX);
+    case SUBDEV_PROP_SENSOR:
+        UHD_ASSERT_THROW(key.name == "lo_locked");
+        val = sensor_value_t("LO", this->get_locked(dboard_iface::UNIT_TX), "locked", "unlocked");
+        return;
+
+    case SUBDEV_PROP_SENSOR_NAMES:
+        val = prop_names_t(1, "lo_locked");
         return;
 
     case SUBDEV_PROP_BANDWIDTH:
diff --git a/host/lib/usrp/dboard/db_tvrx.cpp b/host/lib/usrp/dboard/db_tvrx.cpp
index a9ce38000..578999432 100644
--- a/host/lib/usrp/dboard/db_tvrx.cpp
+++ b/host/lib/usrp/dboard/db_tvrx.cpp
@@ -32,6 +32,7 @@
 #include <uhd/utils/algorithm.hpp>
 #include <uhd/utils/warning.hpp>
 #include <uhd/types/ranges.hpp>
+#include <uhd/types/sensors.hpp>
 #include <uhd/types/dict.hpp>
 #include <uhd/usrp/subdev_props.hpp>
 #include <uhd/usrp/dboard_base.hpp>
@@ -463,10 +464,6 @@ void tvrx::rx_get(const wax::obj &key_, wax::obj &val){
         val = false;
         return;
 
-    case SUBDEV_PROP_LO_LOCKED:
-        val = true;
-        return;
-
     case SUBDEV_PROP_BANDWIDTH:
         val = 6.0e6;
         return;
diff --git a/host/lib/usrp/dboard/db_unknown.cpp b/host/lib/usrp/dboard/db_unknown.cpp
index d91d58409..f0a4c000e 100644
--- a/host/lib/usrp/dboard/db_unknown.cpp
+++ b/host/lib/usrp/dboard/db_unknown.cpp
@@ -154,10 +154,6 @@ void unknown_rx::rx_get(const wax::obj &key_, wax::obj &val){
         val = false;
         return;
 
-    case SUBDEV_PROP_LO_LOCKED:
-        val = true; //there is no LO, so it must be true!
-        return;
-
     case SUBDEV_PROP_BANDWIDTH:
         val = 0.0;
         return;
@@ -256,10 +252,6 @@ void unknown_tx::tx_get(const wax::obj &key_, wax::obj &val){
         val = false;
         return;
 
-    case SUBDEV_PROP_LO_LOCKED:
-        val = true; //there is no LO, so it must be true!
-        return;
-
     case SUBDEV_PROP_BANDWIDTH:
         val = 0.0;
         return;
diff --git a/host/lib/usrp/dboard/db_wbx.cpp b/host/lib/usrp/dboard/db_wbx.cpp
index 135997789..0bc2d0ca1 100644
--- a/host/lib/usrp/dboard/db_wbx.cpp
+++ b/host/lib/usrp/dboard/db_wbx.cpp
@@ -68,6 +68,7 @@
 #include <uhd/types/dict.hpp>
 #include <uhd/usrp/subdev_props.hpp>
 #include <uhd/types/ranges.hpp>
+#include <uhd/types/sensors.hpp>
 #include <uhd/utils/assert.hpp>
 #include <uhd/utils/static.hpp>
 #include <uhd/utils/algorithm.hpp>
@@ -521,8 +522,13 @@ void wbx_xcvr::rx_get(const wax::obj &key_, wax::obj &val){
         val = false;
         return;
 
-    case SUBDEV_PROP_LO_LOCKED:
-        val = this->get_locked(dboard_iface::UNIT_RX);
+    case SUBDEV_PROP_SENSOR:
+        UHD_ASSERT_THROW(key.name == "lo_locked");
+        val = sensor_value_t("LO", this->get_locked(dboard_iface::UNIT_RX), "locked", "unlocked");
+        return;
+
+    case SUBDEV_PROP_SENSOR_NAMES:
+        val = prop_names_t(1, "lo_locked");
         return;
 
     case SUBDEV_PROP_BANDWIDTH:
@@ -622,8 +628,13 @@ void wbx_xcvr::tx_get(const wax::obj &key_, wax::obj &val){
         val = false;
         return;
 
-    case SUBDEV_PROP_LO_LOCKED:
-        val = this->get_locked(dboard_iface::UNIT_TX);
+    case SUBDEV_PROP_SENSOR:
+        UHD_ASSERT_THROW(key.name == "lo_locked");
+        val = sensor_value_t("LO", this->get_locked(dboard_iface::UNIT_TX), "locked", "unlocked");
+        return;
+
+    case SUBDEV_PROP_SENSOR_NAMES:
+        val = prop_names_t(1, "lo_locked");
         return;
 
     case SUBDEV_PROP_BANDWIDTH:
diff --git a/host/lib/usrp/dboard/db_xcvr2450.cpp b/host/lib/usrp/dboard/db_xcvr2450.cpp
index 6fb5a26a8..f4f74eb86 100644
--- a/host/lib/usrp/dboard/db_xcvr2450.cpp
+++ b/host/lib/usrp/dboard/db_xcvr2450.cpp
@@ -53,6 +53,7 @@
 #include <uhd/utils/algorithm.hpp>
 #include <uhd/utils/warning.hpp>
 #include <uhd/types/ranges.hpp>
+#include <uhd/types/sensors.hpp>
 #include <uhd/types/dict.hpp>
 #include <uhd/usrp/subdev_props.hpp>
 #include <uhd/usrp/dboard_base.hpp>
@@ -616,12 +617,19 @@ void xcvr2450::rx_get(const wax::obj &key_, wax::obj &val){
         val = false;
         return;
 
-    case SUBDEV_PROP_LO_LOCKED:
-        val = this->get_locked();
+    case SUBDEV_PROP_SENSOR:
+        if (key.name == "lo_locked")
+            val = sensor_value_t("LO", this->get_locked(), "locked", "unlocked");
+        else if (key.name == "rssi")
+            val = sensor_value_t("RSSI", this->get_rssi(), "dB");
+        else
+            UHD_THROW_INVALID_CODE_PATH();
         return;
 
-    case SUBDEV_PROP_RSSI:
-        val = this->get_rssi();
+    case SUBDEV_PROP_SENSOR_NAMES:{
+            prop_names_t names = list_of("lo_locked")("rssi");
+            val = names;
+        }
         return;
 
     case SUBDEV_PROP_BANDWIDTH:
@@ -719,8 +727,13 @@ void xcvr2450::tx_get(const wax::obj &key_, wax::obj &val){
         val = false;
         return;
 
-    case SUBDEV_PROP_LO_LOCKED:
-        val = this->get_locked();
+    case SUBDEV_PROP_SENSOR:
+        UHD_ASSERT_THROW(key.name == "lo_locked");
+        val = sensor_value_t("LO", this->get_locked(), "locked", "unlocked");
+        return;
+
+    case SUBDEV_PROP_SENSOR_NAMES:
+        val = prop_names_t(1, "lo_locked");
         return;
 
     case SUBDEV_PROP_BANDWIDTH:
diff --git a/host/lib/usrp/multi_usrp.cpp b/host/lib/usrp/multi_usrp.cpp
index 9f001595d..5130d3ae8 100644
--- a/host/lib/usrp/multi_usrp.cpp
+++ b/host/lib/usrp/multi_usrp.cpp
@@ -212,6 +212,14 @@ public:
         return (*_dev)[DEVICE_PROP_MBOARD_NAMES].as<prop_names_t>().size();
     }
 
+    sensor_value_t get_mboard_sensor(const std::string &name, size_t mboard){
+        return _mboard(mboard)[named_prop_t(MBOARD_PROP_SENSOR, name)].as<sensor_value_t>();
+    }
+
+    std::vector<std::string> get_mboard_sensor_names(size_t mboard){
+        return _mboard(mboard)[MBOARD_PROP_SENSOR_NAMES].as<prop_names_t>();
+    }
+
     /*******************************************************************
      * RX methods
      ******************************************************************/
@@ -294,10 +302,6 @@ public:
         return _rx_subdev(chan)[SUBDEV_PROP_ANTENNA_NAMES].as<prop_names_t>();
     }
 
-    bool get_rx_lo_locked(size_t chan){
-        return _rx_subdev(chan)[SUBDEV_PROP_LO_LOCKED].as<bool>();
-    }
-
     void set_rx_bandwidth(double bandwidth, size_t chan){
         _rx_subdev(chan)[SUBDEV_PROP_BANDWIDTH] = bandwidth;
     }
@@ -306,14 +310,18 @@ public:
         return _rx_subdev(chan)[SUBDEV_PROP_BANDWIDTH].as<double>();
     }
 
-    double read_rssi(size_t chan){
-        return _rx_subdev(chan)[SUBDEV_PROP_RSSI].as<double>();
-    }
-
     dboard_iface::sptr get_rx_dboard_iface(size_t chan){
         return _rx_dboard(chan)[DBOARD_PROP_DBOARD_IFACE].as<dboard_iface::sptr>();
     }
 
+    sensor_value_t get_rx_sensor(const std::string &name, size_t chan){
+        return _rx_subdev(chan)[named_prop_t(SUBDEV_PROP_SENSOR, name)].as<sensor_value_t>();
+    }
+
+    std::vector<std::string> get_rx_sensor_names(size_t chan){
+        return _rx_subdev(chan)[SUBDEV_PROP_SENSOR_NAMES].as<prop_names_t>();
+    }
+
     /*******************************************************************
      * TX methods
      ******************************************************************/
@@ -396,10 +404,6 @@ public:
         return _tx_subdev(chan)[SUBDEV_PROP_ANTENNA_NAMES].as<prop_names_t>();
     }
 
-    bool get_tx_lo_locked(size_t chan){
-        return _tx_subdev(chan)[SUBDEV_PROP_LO_LOCKED].as<bool>();
-    }
-
     void set_tx_bandwidth(double bandwidth, size_t chan){
         _tx_subdev(chan)[SUBDEV_PROP_BANDWIDTH] = bandwidth;
     }
@@ -412,6 +416,14 @@ public:
         return _tx_dboard(chan)[DBOARD_PROP_DBOARD_IFACE].as<dboard_iface::sptr>();
     }
 
+    sensor_value_t get_tx_sensor(const std::string &name, size_t chan){
+        return _tx_subdev(chan)[named_prop_t(SUBDEV_PROP_SENSOR, name)].as<sensor_value_t>();
+    }
+
+    std::vector<std::string> get_tx_sensor_names(size_t chan){
+        return _tx_subdev(chan)[SUBDEV_PROP_SENSOR_NAMES].as<prop_names_t>();
+    }
+
 private:
     device::sptr _dev;