1 files changed, 74 insertions, 0 deletions
diff --git a/gr-usrp2/src/usrp2_base.h b/gr-usrp2/src/usrp2_base.h
new file mode 100644
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+++ b/gr-usrp2/src/usrp2_base.h
@@ -0,0 +1,74 @@
+/* -*- c++ -*- */
+/*
+ * Copyright 2008 Free Software Foundation, Inc.
+ * 
+ * This file is part of GNU Radio
+ * 
+ * GNU Radio is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 3, or (at your option)
+ * any later version.
+ * 
+ * GNU Radio is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ * 
+ * You should have received a copy of the GNU General Public License
+ * along with GNU Radio; see the file COPYING.  If not, write to
+ * the Free Software Foundation, Inc., 51 Franklin Street,
+ * Boston, MA 02110-1301, USA.
+ */
+
+#ifndef INCLUDED_USRP2_BASE_H
+#define INCLUDED_USRP2_BASE_H
+
+#include <gr_sync_block.h>
+#include <usrp2/usrp2.h>
+#include <stdexcept>
+
+// BIG ASS FIXME: get from lower layer MTU calculation
+#define USRP2_MIN_RX_SAMPLES 371
+
+/*!
+ * Base class for all USRP2 blocks
+ */
+class usrp2_base : public gr_sync_block
+{
+protected:
+  usrp2_base(const char *name,
+	     gr_io_signature_sptr input_signature,
+	     gr_io_signature_sptr output_signature,
+	     const std::string &ifc,
+	     const std::string &mac)
+    throw (std::runtime_error);
+
+  usrp2::usrp2::sptr d_u2;
+
+public:
+  ~usrp2_base();
+
+  /*!
+   * \brief Get USRP2 hardware MAC address
+   */
+  std::string mac_addr() const;
+  
+  /*!
+   * \brief Called by scheduler when starting flowgraph
+   */
+  virtual bool start();
+  
+  /*!
+   * \brief Called by scheduler when stopping flowgraph
+   */
+  virtual bool stop();
+
+  /*!
+   * \brief Derived class must override this
+   */
+  virtual int work(int noutput_items,
+		   gr_vector_const_void_star &input_items,
+		   gr_vector_void_star &output_items) = 0;
+};
+
+#endif /* INCLUDED_USRP2_BASE_H */