diff options
| author | eb <eb@221aa14e-8319-0410-a670-987f0aec2ac5> | 2009-08-15 18:32:56 +0000 |
|---|---|---|
| committer | eb <eb@221aa14e-8319-0410-a670-987f0aec2ac5> | 2009-08-15 18:32:56 +0000 |
| commit | cdecd3aa94c0ed24312c869c27b3cbd01998004e (patch) | |
| tree | 41cea512ed2f77b7ee861c85362b466aa4cdd703 /gnuradio-core/src/lib/general/gr_head.h | |
| parent | 1579bab2e5840e8f7e7918b7cabf250ca4fd259a (diff) | |
Added reset method to gr_head and gr_vector_sink. This allows graphs
containing these blocks to be run more than once with user control
over when the reset of the counter and sink occurs.
git-svn-id: http://gnuradio.org/svn/gnuradio/trunk@11599 221aa14e-8319-0410-a670-987f0aec2ac5
Diffstat (limited to 'gnuradio-core/src/lib/general/gr_head.h')
| -rw-r--r-- | gnuradio-core/src/lib/general/gr_head.h | 11 |
1 files changed, 8 insertions, 3 deletions
diff --git a/gnuradio-core/src/lib/general/gr_head.h b/gnuradio-core/src/lib/general/gr_head.h index cd97d63994..430d5f8b96 100644 --- a/gnuradio-core/src/lib/general/gr_head.h +++ b/gnuradio-core/src/lib/general/gr_head.h @@ -1,6 +1,6 @@ /* -*- c++ -*- */ /* - * Copyright 2004 Free Software Foundation, Inc. + * Copyright 2004,2009 Free Software Foundation, Inc. * * This file is part of GNU Radio * @@ -26,6 +26,9 @@ #include <gr_sync_block.h> #include <stddef.h> // size_t +class gr_head; +typedef boost::shared_ptr<gr_head> gr_head_sptr; + /*! * \brief copies the first N items to the output then signals done * \ingroup slicedice_blk @@ -35,7 +38,7 @@ class gr_head : public gr_sync_block { - friend gr_block_sptr gr_make_head (size_t sizeof_stream_item, int nitems); + friend gr_head_sptr gr_make_head (size_t sizeof_stream_item, int nitems); gr_head (size_t sizeof_stream_item, int nitems); int d_nitems; @@ -45,9 +48,11 @@ class gr_head : public gr_sync_block int work (int noutput_items, gr_vector_const_void_star &input_items, gr_vector_void_star &output_items); + + void reset() { d_ncopied_items = 0; } }; -gr_block_sptr +gr_head_sptr gr_make_head (size_t sizeof_stream_item, int nitems); |