README change

1 files changed, 57 insertions, 0 deletions

diff --git a/gr-blocks/include/blocks/delay.h b/gr-blocks/include/blocks/delay.h
new file mode 100644
index 000000000..2a59fa0fc
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+++ b/gr-blocks/include/blocks/delay.h
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+/* -*- c++ -*- */
+/*
+ * Copyright 2007,2012-2013 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_BLOCKS_DELAY_H
+#define INCLUDED_BLOCKS_DELAY_H
+
+#include <blocks/api.h>
+#include <gr_block.h>
+
+namespace gr {
+  namespace blocks {
+
+    /*!
+     * \brief delay the input by a certain number of samples
+     * \ingroup misc_blk
+     */
+    class BLOCKS_API delay : virtual public gr_block
+    {
+    public:
+      // gr::blocks::delay::sptr
+      typedef boost::shared_ptr<delay> sptr;
+
+      /*!
+       * \brief Make a delay block.
+       * \param itemsize size of the data items.
+       * \param delay number of samples to delay stream.
+       */
+      static sptr make(size_t itemsize, int delay);
+
+      virtual int dly() const = 0;
+      virtual void set_dly(int d) = 0;
+    };
+
+  } /* namespace blocks */
+} /* namespace gr */
+
+#endif /* INCLUDED_BLOCKS_DELAY_H */
+