diff options
Diffstat (limited to 'include/gnuradio')
| -rw-r--r-- | include/gnuradio/block.hpp | 11 | ||||
| -rw-r--r-- | include/gnuradio/gr_block.h | 7 |
2 files changed, 14 insertions, 4 deletions
diff --git a/include/gnuradio/block.hpp b/include/gnuradio/block.hpp index cfaa00b..459e25b 100644 --- a/include/gnuradio/block.hpp +++ b/include/gnuradio/block.hpp @@ -74,9 +74,16 @@ struct GRAS_API Block : Element * Basic routines from basic block ******************************************************************/ - size_t history(const size_t which_input = 0) const; + //! Get the number of history items (default 0) + size_t input_history(const size_t which_input = 0) const; - void set_history(const size_t history, const size_t which_input = 0); + /*! + * Set the number of items that will be saved from the previous run. + * Input buffers will begin with an overlap of the previous's buffer's + * num history items. This is used to implement sample memory for + * things like sliding dot products/FIR filters. + */ + void set_input_history(const size_t history, const size_t which_input = 0); void set_output_multiple(const size_t multiple, const size_t which_output = 0); diff --git a/include/gnuradio/gr_block.h b/include/gnuradio/gr_block.h index 5b3e9f2..3bd0cc0 100644 --- a/include/gnuradio/gr_block.h +++ b/include/gnuradio/gr_block.h @@ -66,12 +66,15 @@ struct GRAS_API gr_block : gnuradio::Block unsigned history(void) const { - return gnuradio::Block::history(); + //implement off-by-one history compat + return this->input_history()+1; } void set_history(unsigned history) { - gnuradio::Block::set_history(history); + //implement off-by-one history compat + if (history == 0) history++; + this->set_input_history(history-1); } void set_alignment(const size_t alignment); |