1 files changed, 26 insertions, 13 deletions
diff --git a/gr-usrp2/src/usrp2_sink_base.h b/gr-usrp2/src/usrp2_sink_base.h
index a999a6cac..8396c08f7 100644
--- a/gr-usrp2/src/usrp2_sink_base.h
+++ b/gr-usrp2/src/usrp2_sink_base.h
@@ -23,24 +23,37 @@
 #ifndef INCLUDED_USRP2_SINK_BASE_H
 #define INCLUDED_USRP2_SINK_BASE_H
 
-#include <gr_sync_block.h>
-#include <stdexcept>
-
-class usrp2_sink_base : public gr_sync_block {
-
-private:
+#include <usrp2_base.h>
 
+/*!
+ * Base class for all USRP2 transmit blocks
+ */
+class usrp2_sink_base : public usrp2_base 
+{
 protected:
-  usrp2_sink_base(const std::string &name,
-		  gr_io_signature_sptr input_signature) 
+  usrp2_sink_base(const char *name,
+		  gr_io_signature_sptr input_signature,
+		  const std::string &ifc,
+		  const std::string &mac)
     throw (std::runtime_error);
-  
+
 public:
   ~usrp2_sink_base();
-  
-  int work(int noutput_items,
-	   gr_vector_const_void_star &input_items,
-	   gr_vector_void_star &output_items);
+
+  /*!
+   * \brief Set transmitter gain
+   */
+  bool set_gain(double gain);
+
+  /*!
+   * \brief Set transmitter center frequency
+   */
+  bool set_center_freq(double frequency, usrp2::tune_result *tr);
+   
+  /*!
+   * \brief Set transmit interpolation rate
+   */
+  bool set_interp(int interp_factor);
 };
 
 #endif /* INCLUDED_USRP2_SINK_BASE_H */