1 files changed, 49 insertions, 0 deletions
diff --git a/gnuradio-core/src/lib/io/i2c_bbio.h b/gnuradio-core/src/lib/io/i2c_bbio.h
new file mode 100644
index 0000000000..f0ea3b6646
--- /dev/null
+++ b/gnuradio-core/src/lib/io/i2c_bbio.h
@@ -0,0 +1,49 @@
+/* -*- c++ -*- */
+/*
+ * Copyright 2001,2004 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 2, 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., 59 Temple Place - Suite 330,
+ * Boston, MA 02111-1307, USA.
+ */
+
+#ifndef INCLUDED_I2C_BBIO_H
+#define INCLUDED_I2C_BBIO_H
+
+#include <boost/shared_ptr.hpp>
+
+class i2c_bbio;
+typedef boost::shared_ptr<i2c_bbio>	i2c_bbio_sptr;
+
+
+/*!
+ * \brief abstract class that implements bit banging i/o for i2c bus.
+ */
+class i2c_bbio {
+ public:
+
+  i2c_bbio () {}
+  virtual ~i2c_bbio ();
+  
+  virtual void set_scl (bool state) = 0;
+  virtual void set_sda (bool state) = 0;
+  virtual bool get_sda () = 0;
+
+  virtual void lock () = 0;
+  virtual void unlock () = 0;
+};
+
+#endif /* INCLUDED_I2C_BBIO_H */