uhd: added getters for bandwidth setting and range

4 files changed, 44 insertions, 0 deletions

diff --git a/gr-uhd/include/gr_uhd_usrp_sink.h b/gr-uhd/include/gr_uhd_usrp_sink.h
index eaf60fb77..9cea6f3e2 100644
--- a/gr-uhd/include/gr_uhd_usrp_sink.h
+++ b/gr-uhd/include/gr_uhd_usrp_sink.h
@@ -290,6 +290,20 @@ public:
     virtual void set_bandwidth(double bandwidth, size_t chan = 0) = 0;
 
     /*!
+     * Get the bandpass filter setting on the RF frontend.
+     * \param chan the channel index 0 to N-1
+     * \return bandwidth of the filter in Hz
+     */
+    virtual double get_bandwidth(size_t chan = 0) = 0;
+
+    /*!
+     * Get the bandpass filter range of the RF frontend.
+     * \param chan the channel index 0 to N-1
+     * \return the range of the filter bandwidth in Hz
+     */
+    virtual uhd::freq_range_t get_bandwidth_range(size_t chan = 0) = 0;
+
+    /*!
      * Set a constant DC offset value.
      * The value is complex to control both I and Q.
      * \param offset the dc offset (1.0 is full-scale)
diff --git a/gr-uhd/include/gr_uhd_usrp_source.h b/gr-uhd/include/gr_uhd_usrp_source.h
index 1243ddcc2..4d15bf160 100644
--- a/gr-uhd/include/gr_uhd_usrp_source.h
+++ b/gr-uhd/include/gr_uhd_usrp_source.h
@@ -300,6 +300,20 @@ public:
     virtual void set_bandwidth(double bandwidth, size_t chan = 0) = 0;
 
     /*!
+     * Get the bandpass filter setting on the RF frontend.
+     * \param chan the channel index 0 to N-1
+     * \return bandwidth of the filter in Hz
+     */
+    virtual double get_bandwidth(size_t chan = 0) = 0;
+
+    /*!
+     * Get the bandpass filter range of the RF frontend.
+     * \param chan the channel index 0 to N-1
+     * \return the range of the filter bandwidth in Hz
+     */
+    virtual uhd::freq_range_t get_bandwidth_range(size_t chan = 0) = 0;
+
+    /*!
      * Enable/disable the automatic DC offset correction.
      * The automatic correction subtracts out the long-run average.
      *
diff --git a/gr-uhd/lib/gr_uhd_usrp_sink.cc b/gr-uhd/lib/gr_uhd_usrp_sink.cc
index 6216c94a8..99d8e03c3 100644
--- a/gr-uhd/lib/gr_uhd_usrp_sink.cc
+++ b/gr-uhd/lib/gr_uhd_usrp_sink.cc
@@ -157,6 +157,14 @@ public:
         return _dev->set_tx_bandwidth(bandwidth, chan);
     }
 
+    double get_bandwidth(size_t chan){
+        return _dev->get_tx_bandwidth(chan);
+    }
+
+    uhd::freq_range_t get_bandwidth_range(size_t chan){
+        return _dev->get_tx_bandwidth_range(chan);
+    }
+
     void set_dc_offset(const std::complex<double> &offset, size_t chan){
         #ifdef UHD_USRP_MULTI_USRP_FRONTEND_CAL_API
         return _dev->set_tx_dc_offset(offset, chan);
diff --git a/gr-uhd/lib/gr_uhd_usrp_source.cc b/gr-uhd/lib/gr_uhd_usrp_source.cc
index 3813673b4..c6c82d56c 100644
--- a/gr-uhd/lib/gr_uhd_usrp_source.cc
+++ b/gr-uhd/lib/gr_uhd_usrp_source.cc
@@ -168,6 +168,14 @@ public:
         return _dev->set_rx_bandwidth(bandwidth, chan);
     }
 
+    double get_bandwidth(size_t chan){
+        return _dev->get_rx_bandwidth(chan);
+    }
+
+    uhd::freq_range_t get_bandwidth_range(size_t chan){
+        return _dev->get_rx_bandwidth_range(chan);
+    }
+
     void set_auto_dc_offset(const bool enable, size_t chan){
         #ifdef UHD_USRP_MULTI_USRP_FRONTEND_CAL_API
         return _dev->set_rx_dc_offset(enable, chan);