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-rw-r--r--include/osmosdr/osmosdr_source_c.h21
1 files changed, 21 insertions, 0 deletions
diff --git a/include/osmosdr/osmosdr_source_c.h b/include/osmosdr/osmosdr_source_c.h
index dd4505c..8410849 100644
--- a/include/osmosdr/osmosdr_source_c.h
+++ b/include/osmosdr/osmosdr_source_c.h
@@ -263,6 +263,27 @@ public:
*/
virtual void set_iq_balance( const std::complex<double> &correction,
size_t chan = 0 ) = 0;
+
+ /*!
+ * Set the bandpass filter on the radio frontend.
+ * \param bandwidth the filter bandwidth in Hz
+ * \param chan the channel index 0 to N-1
+ * \return the actual filter bandwidth in Hz
+ */
+ virtual double set_bandwidth( double bandwidth, size_t chan = 0 ) = 0;
+
+ /*!
+ * Get the actual bandpass filter setting on the radio frontend.
+ * \param chan the channel index 0 to N-1
+ * \return the actual filter bandwidth in Hz
+ */
+ virtual double get_bandwidth( size_t chan = 0 ) = 0;
+
+ /*!
+ * Get the possible bandpass filter settings on the radio frontend.
+ * \return a range of bandwidths in Hz
+ */
+ virtual osmosdr::meta_range_t get_bandwidth_range( size_t chan = 0 ) = 0;
};
#endif /* INCLUDED_OSMOSDR_SOURCE_C_H */