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<title>GNU Radio 3.2.2 C++ API: Signal Sinks</title>
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<h1>Signal Sinks</h1> </div>
<div class="ingroups"><a class="el" href="group__block.html">GNU Radio C++ Signal Processing Blocks</a></div></div>
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Collaboration diagram for Signal Sinks:</div>
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<area shape="rect" id="node1" href="group__usrp.html" title="USRP" alt="" coords="619,15,677,44"/><area shape="rect" id="node2" href="group__block.html" title="All C++ blocks that can be used in GR graphs are listed here or in the subcategories below..." alt="" coords="7,68,279,97"/><area shape="rect" id="node4" href="group__ofdm__blk.html" title="OFDM Blocks" alt="" coords="596,68,700,97"/><area shape="rect" id="node5" href="group__usrp2.html" title="USRP2" alt="" coords="615,133,681,163"/></map>
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Classes</h2></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">class  </td><td class="memItemRight" valign="bottom"><a class="el" href="classgr__bin__statistics__f.html">gr_bin_statistics_f</a></td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">control scanning and record frequency domain statistics <a href="classgr__bin__statistics__f.html#_details">More...</a><br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">class  </td><td class="memItemRight" valign="bottom"><a class="el" href="classgr__check__counting__s.html">gr_check_counting_s</a></td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">sink that checks if its input stream consists of a counting sequence. <a href="classgr__check__counting__s.html#_details">More...</a><br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">class  </td><td class="memItemRight" valign="bottom"><a class="el" href="classgr__check__lfsr__32k__s.html">gr_check_lfsr_32k_s</a></td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">sink that checks if its input stream consists of a lfsr_32k sequence.This sink is typically used along with <a class="el" href="classgr__lfsr__32k__source__s.html" title="LFSR pseudo-random source with period of 2^15 bits (2^11 shorts)This source is typically used along w...">gr_lfsr_32k_source_s</a> to test the USRP using its digital loopback mode. <a href="classgr__check__lfsr__32k__s.html#_details">More...</a><br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">class  </td><td class="memItemRight" valign="bottom"><a class="el" href="classgr__framer__sink__1.html">gr_framer_sink_1</a></td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Given a stream of bits and access_code flags, assemble packets.input: stream of bytes from <a class="el" href="classgr__correlate__access__code__bb.html" title="Examine input for specified access code, one bit at a time.input: stream of bits, 1 bit per input byt...">gr_correlate_access_code_bb</a> output: none. Pushes assembled packet into target queue. <a href="classgr__framer__sink__1.html#_details">More...</a><br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">class  </td><td class="memItemRight" valign="bottom"><a class="el" href="classgr__null__sink.html">gr_null_sink</a></td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Bit bucket. <a href="classgr__null__sink.html#_details">More...</a><br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">class  </td><td class="memItemRight" valign="bottom"><a class="el" href="classgr__ofdm__frame__sink.html">gr_ofdm_frame_sink</a></td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Takes an OFDM symbol in, demaps it into bits of 0's and 1's, packs them into packets, and sends to to a message queue sink.NOTE: The mod input parameter simply chooses a pre-defined demapper/slicer. Eventually, we want to be able to pass in a reference to an object to do the demapping and slicing for a given modulation type. <a href="classgr__ofdm__frame__sink.html#_details">More...</a><br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">class  </td><td class="memItemRight" valign="bottom"><a class="el" href="classgr__packet__sink.html">gr_packet_sink</a></td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">process received bits looking for packet sync, header, and process bits into packet <a href="classgr__packet__sink.html#_details">More...</a><br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">class  </td><td class="memItemRight" valign="bottom"><a class="el" href="classgr__probe__avg__mag__sqrd__c.html">gr_probe_avg_mag_sqrd_c</a></td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">compute avg magnitude squared.input: gr_complex <a href="classgr__probe__avg__mag__sqrd__c.html#_details">More...</a><br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">class  </td><td class="memItemRight" valign="bottom"><a class="el" href="classgr__probe__avg__mag__sqrd__cf.html">gr_probe_avg_mag_sqrd_cf</a></td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">compute avg magnitude squared.input: gr_complex output: gr_float <a href="classgr__probe__avg__mag__sqrd__cf.html#_details">More...</a><br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">class  </td><td class="memItemRight" valign="bottom"><a class="el" href="classgr__probe__avg__mag__sqrd__f.html">gr_probe_avg_mag_sqrd_f</a></td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">compute avg magnitude squared.input: float <a href="classgr__probe__avg__mag__sqrd__f.html#_details">More...</a><br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">class  </td><td class="memItemRight" valign="bottom"><a class="el" href="classgr__probe__mpsk__snr__c.html">gr_probe_mpsk_snr_c</a></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">class  </td><td class="memItemRight" valign="bottom"><a class="el" href="classgr__probe__signal__f.html">gr_probe_signal_f</a></td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Sink that allows a sample to be grabbed from Python. <a href="classgr__probe__signal__f.html#_details">More...</a><br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">class  </td><td class="memItemRight" valign="bottom"><a class="el" href="classgr__vector__sink__b.html">gr_vector_sink_b</a></td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">unsigned char sink that writes to a vector <a href="classgr__vector__sink__b.html#_details">More...</a><br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">class  </td><td class="memItemRight" valign="bottom"><a class="el" href="classgr__vector__sink__c.html">gr_vector_sink_c</a></td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">gr_complex sink that writes to a vector <a href="classgr__vector__sink__c.html#_details">More...</a><br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">class  </td><td class="memItemRight" valign="bottom"><a class="el" href="classgr__vector__sink__f.html">gr_vector_sink_f</a></td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">float sink that writes to a vector <a href="classgr__vector__sink__f.html#_details">More...</a><br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">class  </td><td class="memItemRight" valign="bottom"><a class="el" href="classgr__vector__sink__i.html">gr_vector_sink_i</a></td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">int sink that writes to a vector <a href="classgr__vector__sink__i.html#_details">More...</a><br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">class  </td><td class="memItemRight" valign="bottom"><a class="el" href="classgr__vector__sink__s.html">gr_vector_sink_s</a></td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">short sink that writes to a vector <a href="classgr__vector__sink__s.html#_details">More...</a><br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">class  </td><td class="memItemRight" valign="bottom"><a class="el" href="classgr__file__descriptor__sink.html">gr_file_descriptor_sink</a></td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Write stream to file descriptor. <a href="classgr__file__descriptor__sink.html#_details">More...</a><br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">class  </td><td class="memItemRight" valign="bottom"><a class="el" href="classgr__file__sink.html">gr_file_sink</a></td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Write stream to file. <a href="classgr__file__sink.html#_details">More...</a><br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">class  </td><td class="memItemRight" valign="bottom"><a class="el" href="classgr__histo__sink__f.html">gr_histo_sink_f</a></td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Histogram module. <a href="classgr__histo__sink__f.html#_details">More...</a><br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">class  </td><td class="memItemRight" valign="bottom"><a class="el" href="classgr__message__sink.html">gr_message_sink</a></td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Gather received items into messages and insert into msgq. <a href="classgr__message__sink.html#_details">More...</a><br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">class  </td><td class="memItemRight" valign="bottom"><a class="el" href="classgr__oscope__sink__f.html">gr_oscope_sink_f</a></td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Building block for python oscilloscope module.Accepts multiple float streams. <a href="classgr__oscope__sink__f.html#_details">More...</a><br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">class  </td><td class="memItemRight" valign="bottom"><a class="el" href="classgr__oscope__sink__x.html">gr_oscope_sink_x</a></td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Abstract class for python oscilloscope module.Don't instantiate this. Use <a class="el" href="classgr__oscope__sink__f.html" title="Building block for python oscilloscope module.Accepts multiple float streams.">gr_oscope_sink_f</a> or gr_oscope_sink_c instead. <a href="classgr__oscope__sink__x.html#_details">More...</a><br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">class  </td><td class="memItemRight" valign="bottom"><a class="el" href="classgr__udp__sink.html">gr_udp_sink</a></td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Write stream to an UDP socket. <a href="classgr__udp__sink.html#_details">More...</a><br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">class  </td><td class="memItemRight" valign="bottom"><a class="el" href="classgr__wavfile__sink.html">gr_wavfile_sink</a></td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Read stream from a Microsoft PCM (.wav) file, output floats. <a href="classgr__wavfile__sink.html#_details">More...</a><br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">class  </td><td class="memItemRight" valign="bottom"><a class="el" href="classusrp__sink__c.html">usrp_sink_c</a></td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Interface to Universal Software Radio Peripheral Tx pathinput: gr_complex. <a href="classusrp__sink__c.html#_details">More...</a><br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">class  </td><td class="memItemRight" valign="bottom"><a class="el" href="classusrp__sink__s.html">usrp_sink_s</a></td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Interface to Universal Software Radio Peripheral Tx pathinput: short. <a href="classusrp__sink__s.html#_details">More...</a><br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">class  </td><td class="memItemRight" valign="bottom"><a class="el" href="classusrp2__sink__16sc.html">usrp2_sink_16sc</a></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">class  </td><td class="memItemRight" valign="bottom"><a class="el" href="classusrp2__sink__32fc.html">usrp2_sink_32fc</a></td></tr>
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