GNU Radio 3.7.2.2 C++ API
gr::digital::framer_sink_1 Class Reference

Given a stream of bits and access_code flags, assemble packets. More...

#include <gnuradio/digital/framer_sink_1.h>

Inheritance diagram for gr::digital::framer_sink_1:
gr::sync_block gr::block gr::basic_block gr::msg_accepter gr::messages::msg_accepter

Public Types

typedef boost::shared_ptr
< framer_sink_1
sptr
 

Static Public Member Functions

static sptr make (msg_queue::sptr target_queue)
 

Additional Inherited Members

- Public Member Functions inherited from gr::sync_block
virtual int work (int noutput_items, gr_vector_const_void_star &input_items, gr_vector_void_star &output_items)=0
 just like gr::block::general_work, only this arranges to call consume_each for you More...
 
void forecast (int noutput_items, gr_vector_int &ninput_items_required)
 Estimate input requirements given output request. More...
 
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 More...
 
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. More...
 
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. More...
 
- Protected Types inherited from gr::basic_block
enum  vcolor { WHITE, GREY, BLACK }
 
- Protected Member Functions inherited from gr::sync_block
 sync_block (void)
 
 sync_block (const std::string &name, gr::io_signature::sptr input_signature, gr::io_signature::sptr output_signature)
 
- Protected Attributes inherited from gr::block
std::vector< long > d_max_output_buffer
 
std::vector< long > d_min_output_buffer
 
gr::thread::mutex d_setlock
 
gr::logger_ptr d_logger
 
gr::logger_ptr d_debug_logger
 

Detailed Description

Given a stream of bits and access_code flags, assemble packets.

input: stream of bytes from digital_correlate_access_code_bb output: none. Pushes assembled packet into target queue

The framer expects a fixed length header of 2 16-bit shorts containing the payload length, followed by the payload. If the 2 16-bit shorts are not identical, this packet is ignored. Better algs are welcome.

The input data consists of bytes that have two bits used. Bit 0, the LSB, contains the data bit. Bit 1 if set, indicates that the corresponding bit is the the first bit of the packet. That is, this bit is the first one after the access code.

Member Typedef Documentation

Member Function Documentation

static sptr gr::digital::framer_sink_1::make ( msg_queue::sptr  target_queue)
static

Make a framer_sink_1 block.

Parameters
target_queueThe message queue where frames go.

The documentation for this class was generated from the following file: