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authorjcorgan2006-08-03 04:51:51 +0000
committerjcorgan2006-08-03 04:51:51 +0000
commit5d69a524f81f234b3fbc41d49ba18d6f6886baba (patch)
treeb71312bf7f1e8d10fef0f3ac6f28784065e73e72 /gnuradio-core/src/lib/io/i2c.h
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Houston, we have a trunk.
git-svn-id: http://gnuradio.org/svn/gnuradio/trunk@3122 221aa14e-8319-0410-a670-987f0aec2ac5
Diffstat (limited to 'gnuradio-core/src/lib/io/i2c.h')
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diff --git a/gnuradio-core/src/lib/io/i2c.h b/gnuradio-core/src/lib/io/i2c.h
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+/* -*- 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_H
+#define INCLUDED_I2C_H
+
+#include <boost/shared_ptr.hpp>
+
+class i2c;
+typedef boost::shared_ptr<i2c> i2c_sptr;
+
+/*!
+ * \brief abstract class for controlling i2c bus
+ */
+class i2c {
+ public:
+
+ i2c () {}
+ virtual ~i2c ();
+
+ //! \returns true iff successful
+ virtual bool write (int addr, const unsigned char *buf, int nbytes) = 0;
+
+ //! \returns number of bytes read or -1 if error
+ virtual int read (int addr, unsigned char *buf, int max_bytes) = 0;
+};
+
+#endif /* INCLUDED_I2C_H */
+