Map a stream of symbol indexes (unpacked bytes or shorts) to stream of float or complex onstellation points.in D
dimensions (D
= 1 by default)input: stream of unsigned char; output: stream of gr_complex.
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Public Member Functions |
int | D () const |
std::vector< gr_complex > | symbol_table () const |
int | work (int noutput_items, gr_vector_const_void_star &input_items, gr_vector_void_star &output_items) |
| just like gr_block::general_work, only this arranges to call consume_each for you
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bool | check_topology (int ninputs, int noutputs) |
| Confirm that ninputs and noutputs is an acceptable combination.
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unsigned | interpolation () const |
void | set_interpolation (unsigned interpolation) |
void | forecast (int noutput_items, gr_vector_int &ninput_items_required) |
| Estimate input requirements given output request.
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int | general_work (int noutput_items, gr_vector_int &ninput_items, gr_vector_const_void_star &input_items, gr_vector_void_star &output_items) |
| compute output items from input items
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int | fixed_rate_ninput_to_noutput (int ninput) |
| Given ninput samples, return number of output samples that will be produced. N.B. this is only defined if fixed_rate returns true. Generally speaking, you don't need to override this.
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int | fixed_rate_noutput_to_ninput (int noutput) |
| Given noutput samples, return number of input samples required to produce noutput. N.B. this is only defined if fixed_rate returns true. Generally speaking, you don't need to override this.
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Additional Inherited Members |
| gr_sync_interpolator (void) |
| gr_sync_interpolator (const std::string &name, gr_io_signature_sptr input_signature, gr_io_signature_sptr output_signature, unsigned interpolation) |
| gr_sync_block (void) |
| gr_sync_block (const std::string &name, gr_io_signature_sptr input_signature, gr_io_signature_sptr output_signature) |
| gr_block (void) |
| gr_block (const std::string &name, gr_io_signature_sptr input_signature, gr_io_signature_sptr output_signature) |
void | set_fixed_rate (bool fixed_rate) |
void | add_item_tag (unsigned int which_output, uint64_t abs_offset, const pmt::pmt_t &key, const pmt::pmt_t &value, const pmt::pmt_t &srcid=pmt::PMT_F) |
| Adds a new tag onto the given output buffer.
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void | add_item_tag (unsigned int which_output, const gr_tag_t &tag) |
| Adds a new tag onto the given output buffer.
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void | remove_item_tag (unsigned int which_input, uint64_t abs_offset, const pmt::pmt_t &key, const pmt::pmt_t &value, const pmt::pmt_t &srcid=pmt::PMT_F) |
| Removes a tag from the given input buffer.
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void | remove_item_tag (unsigned int which_input, const gr_tag_t &tag) |
| Removes a tag from the given input buffer.
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void | get_tags_in_range (std::vector< gr_tag_t > &v, unsigned int which_input, uint64_t abs_start, uint64_t abs_end) |
| Given a [start,end), returns a vector of all tags in the range.
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void | get_tags_in_range (std::vector< gr_tag_t > &v, unsigned int which_input, uint64_t abs_start, uint64_t abs_end, const pmt::pmt_t &key) |
| Given a [start,end), returns a vector of all tags in the range with a given key.
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| gr_basic_block (void) |
| gr_basic_block (const std::string &name, gr_io_signature_sptr input_signature, gr_io_signature_sptr output_signature) |
| Protected constructor prevents instantiation by non-derived classes.
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void | set_input_signature (gr_io_signature_sptr iosig) |
| may only be called during constructor
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void | set_output_signature (gr_io_signature_sptr iosig) |
| may only be called during constructor
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void | set_color (vcolor color) |
| Allow the flowgraph to set for sorting and partitioning.
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vcolor | color () const |
bool | has_msg_handler (pmt::pmt_t which_port) |
| Tests if there is a handler attached to port which_port .
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virtual void | dispatch_msg (pmt::pmt_t which_port, pmt::pmt_t msg) |
Map a stream of symbol indexes (unpacked bytes or shorts) to stream of float or complex onstellation points.in D
dimensions (D
= 1 by default)
input: stream of unsigned char; output: stream of gr_complex.
out[n D + k] = symbol_table[in[n] D + k], k=0,1,...,D-1
The combination of gr_packed_to_unpacked_XX followed by gr_chunks_to_symbols_XY handles the general case of mapping from a stream of bytes or shorts into arbitrary float or complex symbols.
- See also:
- gr_packed_to_unpacked_bb, gr_unpacked_to_packed_bb,
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gr_packed_to_unpacked_ss, gr_unpacked_to_packed_ss,
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gr_chunks_to_symbols_bf, gr_chunks_to_symbols_bc.
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gr_chunks_to_symbols_sf, gr_chunks_to_symbols_sc.