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<h1>usrp_standard.h</h1> </div>
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<a href="usrp__standard_8h.html">Go to the documentation of this file.</a><div class="fragment"><pre class="fragment"><a name="l00001"></a>00001 <span class="comment">/* -*- c++ -*- */</span>
<a name="l00002"></a>00002 <span class="comment">/*</span>
<a name="l00003"></a>00003 <span class="comment"> * Copyright 2004,2008 Free Software Foundation, Inc.</span>
<a name="l00004"></a>00004 <span class="comment"> * </span>
<a name="l00005"></a>00005 <span class="comment"> * This file is part of GNU Radio</span>
<a name="l00006"></a>00006 <span class="comment"> * </span>
<a name="l00007"></a>00007 <span class="comment"> * GNU Radio is free software; you can redistribute it and/or modify</span>
<a name="l00008"></a>00008 <span class="comment"> * it under the terms of the GNU General Public License as published by</span>
<a name="l00009"></a>00009 <span class="comment"> * the Free Software Foundation; either version 3, or (at your option)</span>
<a name="l00010"></a>00010 <span class="comment"> * any later version.</span>
<a name="l00011"></a>00011 <span class="comment"> * </span>
<a name="l00012"></a>00012 <span class="comment"> * GNU Radio is distributed in the hope that it will be useful,</span>
<a name="l00013"></a>00013 <span class="comment"> * but WITHOUT ANY WARRANTY; without even the implied warranty of</span>
<a name="l00014"></a>00014 <span class="comment"> * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the</span>
<a name="l00015"></a>00015 <span class="comment"> * GNU General Public License for more details.</span>
<a name="l00016"></a>00016 <span class="comment"> * </span>
<a name="l00017"></a>00017 <span class="comment"> * You should have received a copy of the GNU General Public License</span>
<a name="l00018"></a>00018 <span class="comment"> * along with GNU Radio; see the file COPYING. If not, write to</span>
<a name="l00019"></a>00019 <span class="comment"> * the Free Software Foundation, Inc., 51 Franklin Street,</span>
<a name="l00020"></a>00020 <span class="comment"> * Boston, MA 02110-1301, USA.</span>
<a name="l00021"></a>00021 <span class="comment"> */</span>
<a name="l00022"></a>00022
<a name="l00023"></a>00023 <span class="preprocessor">#ifndef INCLUDED_USRP_STANDARD_H</span>
<a name="l00024"></a>00024 <span class="preprocessor"></span><span class="preprocessor">#define INCLUDED_USRP_STANDARD_H</span>
<a name="l00025"></a>00025 <span class="preprocessor"></span>
<a name="l00026"></a>00026 <span class="preprocessor">#include <<a class="code" href="usrp__basic_8h.html">usrp_basic.h</a>></span>
<a name="l00027"></a>00027 <span class="preprocessor">#include <boost/shared_ptr.hpp></span>
<a name="l00028"></a>00028 <span class="preprocessor">#include <<a class="code" href="usrp__tune__result_8h.html">usrp_tune_result.h</a>></span>
<a name="l00029"></a>00029
<a name="l00030"></a>00030 <span class="keyword">class </span><a class="code" href="classusrp__standard__tx.html" title="The C++ interface the transmit side of the USRPThis is the recommended interface to USRP transmit fun...">usrp_standard_tx</a>;
<a name="l00031"></a>00031 <span class="keyword">class </span><a class="code" href="classusrp__standard__rx.html" title="The C++ interface the receive side of the USRPThis is the recommended interface to USRP receive funct...">usrp_standard_rx</a>;
<a name="l00032"></a>00032
<a name="l00033"></a>00033 <span class="keyword">typedef</span> <a class="code" href="classboost_1_1shared__ptr.html">boost::shared_ptr<usrp_standard_tx></a> <a class="code" href="classboost_1_1shared__ptr.html">usrp_standard_tx_sptr</a>;
<a name="l00034"></a>00034 <span class="keyword">typedef</span> <a class="code" href="classboost_1_1shared__ptr.html">boost::shared_ptr<usrp_standard_rx></a> <a class="code" href="classboost_1_1shared__ptr.html">usrp_standard_rx_sptr</a>;
<a name="l00035"></a>00035 <span class="comment"></span>
<a name="l00036"></a>00036 <span class="comment">/*!</span>
<a name="l00037"></a>00037 <span class="comment"> * \ingroup usrp</span>
<a name="l00038"></a>00038 <span class="comment"> */</span>
<a name="l00039"></a><a class="code" href="classusrp__standard__common.html">00039</a> <span class="keyword">class </span><a class="code" href="classusrp__standard__common.html">usrp_standard_common</a>
<a name="l00040"></a>00040 {
<a name="l00041"></a>00041 <span class="keywordtype">int</span> d_fpga_caps; <span class="comment">// capability register val</span>
<a name="l00042"></a>00042
<a name="l00043"></a>00043 <span class="keyword">protected</span>:
<a name="l00044"></a>00044 <a class="code" href="classusrp__standard__common.html#a084f39cd160734d41e6c1cb8f6513dd6">usrp_standard_common</a>(<a class="code" href="classusrp__basic.html" title="abstract base class for usrp operations">usrp_basic</a> *parent);
<a name="l00045"></a>00045
<a name="l00046"></a>00046 <span class="keyword">public</span>:<span class="comment"></span>
<a name="l00047"></a>00047 <span class="comment"> /*!</span>
<a name="l00048"></a>00048 <span class="comment"> *\brief does the FPGA implement the final Rx half-band filter?</span>
<a name="l00049"></a>00049 <span class="comment"> * If it doesn't, the maximum decimation factor with proper gain </span>
<a name="l00050"></a>00050 <span class="comment"> * is 1/2 of what it would otherwise be.</span>
<a name="l00051"></a>00051 <span class="comment"> */</span>
<a name="l00052"></a>00052 <span class="keywordtype">bool</span> <a class="code" href="classusrp__standard__common.html#ac259e77beebe73376a45b6116ab845e1" title="does the FPGA implement the final Rx half-band filter? If it doesn&#39;t, the maximum decimation fact...">has_rx_halfband</a>() <span class="keyword">const</span>;
<a name="l00053"></a>00053 <span class="comment"></span>
<a name="l00054"></a>00054 <span class="comment"> /*!</span>
<a name="l00055"></a>00055 <span class="comment"> * \brief number of digital downconverters implemented in the FPGA</span>
<a name="l00056"></a>00056 <span class="comment"> * This will be 0, 1, 2 or 4.</span>
<a name="l00057"></a>00057 <span class="comment"> */</span>
<a name="l00058"></a>00058 <span class="keywordtype">int</span> <a class="code" href="classusrp__standard__common.html#a07b889dbe4fecd870f40ddf2401948c6" title="number of digital downconverters implemented in the FPGA This will be 0, 1, 2 or 4.">nddcs</a>() <span class="keyword">const</span>;
<a name="l00059"></a>00059 <span class="comment"></span>
<a name="l00060"></a>00060 <span class="comment"> /*!</span>
<a name="l00061"></a>00061 <span class="comment"> *\brief does the FPGA implement the initial Tx half-band filter?</span>
<a name="l00062"></a>00062 <span class="comment"> */</span>
<a name="l00063"></a>00063 <span class="keywordtype">bool</span> <a class="code" href="classusrp__standard__common.html#a4192e505766a5920f8771bde1fd871ae" title="does the FPGA implement the initial Tx half-band filter?">has_tx_halfband</a>() <span class="keyword">const</span>;
<a name="l00064"></a>00064 <span class="comment"></span>
<a name="l00065"></a>00065 <span class="comment"> /*!</span>
<a name="l00066"></a>00066 <span class="comment"> * \brief number of digital upconverters implemented in the FPGA</span>
<a name="l00067"></a>00067 <span class="comment"> * This will be 0, 1, or 2.</span>
<a name="l00068"></a>00068 <span class="comment"> */</span>
<a name="l00069"></a>00069 <span class="keywordtype">int</span> <a class="code" href="classusrp__standard__common.html#a9dec671bc0d7c50157083f46538844af" title="number of digital upconverters implemented in the FPGA This will be 0, 1, or 2.">nducs</a>() <span class="keyword">const</span>;
<a name="l00070"></a>00070 <span class="comment"></span>
<a name="l00071"></a>00071 <span class="comment"> /*!</span>
<a name="l00072"></a>00072 <span class="comment"> * \brief Calculate the frequency to use for setting the digital up or down converter.</span>
<a name="l00073"></a>00073 <span class="comment"> *</span>
<a name="l00074"></a>00074 <span class="comment"> * \param target_freq is the desired RF frequency (Hz).</span>
<a name="l00075"></a>00075 <span class="comment"> * \param baseband_freq is the RF frequency that corresponds to DC in the IF coming from the d'board.</span>
<a name="l00076"></a>00076 <span class="comment"> * \param fs is the sampling frequency.</span>
<a name="l00077"></a>00077 <span class="comment"> * \param[out] dxc_freq the frequency to program into the DDC (or DUC).</span>
<a name="l00078"></a>00078 <span class="comment"> * \param[out] inverted is true if we're operating in an inverted Nyquist zone.</span>
<a name="l00079"></a>00079 <span class="comment"> */</span>
<a name="l00080"></a>00080 <span class="keyword">static</span> <span class="keywordtype">void</span> <a class="code" href="classusrp__standard__common.html#ad8501caec1af361156c2540f0280123e" title="Calculate the frequency to use for setting the digital up or down converter.">calc_dxc_freq</a>(<span class="keywordtype">double</span> target_freq, <span class="keywordtype">double</span> baseband_freq, <span class="keywordtype">double</span> fs,
<a name="l00081"></a>00081 <span class="keywordtype">double</span> *dxc_freq, <span class="keywordtype">bool</span> *inverted);
<a name="l00082"></a>00082 };
<a name="l00083"></a>00083 <span class="comment"></span>
<a name="l00084"></a>00084 <span class="comment">/*!</span>
<a name="l00085"></a>00085 <span class="comment"> * \brief The C++ interface the receive side of the USRP</span>
<a name="l00086"></a>00086 <span class="comment"> * \ingroup usrp</span>
<a name="l00087"></a>00087 <span class="comment"> *</span>
<a name="l00088"></a>00088 <span class="comment"> * This is the recommended interface to USRP receive functionality</span>
<a name="l00089"></a>00089 <span class="comment"> * for applications that use the USRP but not GNU Radio.</span>
<a name="l00090"></a>00090 <span class="comment"> */</span>
<a name="l00091"></a><a class="code" href="classusrp__standard__rx.html">00091</a> <span class="keyword">class </span><a class="code" href="classusrp__standard__rx.html" title="The C++ interface the receive side of the USRPThis is the recommended interface to USRP receive funct...">usrp_standard_rx</a> : <span class="keyword">public</span> <a class="code" href="classusrp__basic__rx.html" title="class for accessing the receive side of the USRP">usrp_basic_rx</a>, <span class="keyword">public</span> <a class="code" href="classusrp__standard__common.html">usrp_standard_common</a>
<a name="l00092"></a>00092 {
<a name="l00093"></a>00093 <span class="keyword">private</span>:
<a name="l00094"></a>00094 <span class="keyword">static</span> <span class="keyword">const</span> <span class="keywordtype">int</span> MAX_CHAN = 4;
<a name="l00095"></a>00095 <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> d_decim_rate;
<a name="l00096"></a>00096 <span class="keywordtype">int</span> d_nchan;
<a name="l00097"></a>00097 <span class="keywordtype">int</span> d_sw_mux;
<a name="l00098"></a>00098 <span class="keywordtype">int</span> d_hw_mux;
<a name="l00099"></a>00099 <span class="keywordtype">double</span> d_rx_freq[MAX_CHAN];
<a name="l00100"></a>00100
<a name="l00101"></a>00101 <span class="keyword">protected</span>:
<a name="l00102"></a>00102 <a class="code" href="classusrp__standard__rx.html#acf2afdc165b27469cc8f793851c78a3c">usrp_standard_rx</a> (<span class="keywordtype">int</span> which_board,
<a name="l00103"></a>00103 <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> <a class="code" href="classusrp__standard__rx.html#ab92676b3ff5e472846e957f95c3374e5">decim_rate</a>,
<a name="l00104"></a>00104 <span class="keywordtype">int</span> nchan = 1,
<a name="l00105"></a>00105 <span class="keywordtype">int</span> <a class="code" href="classusrp__standard__rx.html#a5705205822065977c5e777aafe5c203f">mux</a> = -1,
<a name="l00106"></a>00106 <span class="keywordtype">int</span> mode = 0,
<a name="l00107"></a>00107 <span class="keywordtype">int</span> fusb_block_size = 0,
<a name="l00108"></a>00108 <span class="keywordtype">int</span> fusb_nblocks = 0,
<a name="l00109"></a>00109 <span class="keyword">const</span> std::string fpga_filename = <span class="stringliteral">""</span>,
<a name="l00110"></a>00110 <span class="keyword">const</span> std::string firmware_filename = <span class="stringliteral">""</span>
<a name="l00111"></a>00111 ); <span class="comment">// throws if trouble</span>
<a name="l00112"></a>00112
<a name="l00113"></a>00113 <span class="keywordtype">bool</span> <a class="code" href="classusrp__standard__rx.html#a182048083827bf3e2efddb918677e51e">write_hw_mux_reg</a> ();
<a name="l00114"></a>00114
<a name="l00115"></a>00115 <span class="keyword">public</span>:
<a name="l00116"></a>00116
<a name="l00117"></a>00117 <span class="keyword">enum</span> {
<a name="l00118"></a><a class="code" href="classusrp__standard__rx.html#ac99650c210cd0579893f196ec90a2798ad3f99a72b4201bac21d8c103eff81568">00118</a> <a class="code" href="classusrp__standard__rx.html#ac99650c210cd0579893f196ec90a2798ad3f99a72b4201bac21d8c103eff81568">FPGA_MODE_NORMAL</a> = 0x00,
<a name="l00119"></a><a class="code" href="classusrp__standard__rx.html#ac99650c210cd0579893f196ec90a2798adc8004f6da0507be39531d73039011f8">00119</a> <a class="code" href="classusrp__standard__rx.html#ac99650c210cd0579893f196ec90a2798adc8004f6da0507be39531d73039011f8">FPGA_MODE_LOOPBACK</a> = 0x01,
<a name="l00120"></a><a class="code" href="classusrp__standard__rx.html#ac99650c210cd0579893f196ec90a2798a5749d17a9377d91ea89fc6b8f94620b9">00120</a> <a class="code" href="classusrp__standard__rx.html#ac99650c210cd0579893f196ec90a2798a5749d17a9377d91ea89fc6b8f94620b9">FPGA_MODE_COUNTING</a> = 0x02,
<a name="l00121"></a><a class="code" href="classusrp__standard__rx.html#ac99650c210cd0579893f196ec90a2798a26cf58fafbdee14b54d0eef63660332e">00121</a> <a class="code" href="classusrp__standard__rx.html#ac99650c210cd0579893f196ec90a2798a26cf58fafbdee14b54d0eef63660332e">FPGA_MODE_COUNTING_32BIT</a> = 0x04
<a name="l00122"></a>00122 };
<a name="l00123"></a>00123
<a name="l00124"></a>00124 <a class="code" href="classusrp__standard__rx.html#a51b7fde714bddf8bc2352172f07f42df">~usrp_standard_rx</a> ();
<a name="l00125"></a>00125 <span class="comment"></span>
<a name="l00126"></a>00126 <span class="comment"> /*!</span>
<a name="l00127"></a>00127 <span class="comment"> * \brief invokes constructor, returns shared_ptr or shared_ptr equivalent of 0 if trouble</span>
<a name="l00128"></a>00128 <span class="comment"> *</span>
<a name="l00129"></a>00129 <span class="comment"> * \param which_board Which USRP board on usb (not particularly useful; use 0)</span>
<a name="l00130"></a>00130 <span class="comment"> * \param decim_rate decimation factor</span>
<a name="l00131"></a>00131 <span class="comment"> * \param nchan number of channels</span>
<a name="l00132"></a>00132 <span class="comment"> * \param mux Rx mux setting, \sa set_mux</span>
<a name="l00133"></a>00133 <span class="comment"> * \param mode mode</span>
<a name="l00134"></a>00134 <span class="comment"> * \param fusb_block_size fast usb xfer block size. Must be a multiple of 512. </span>
<a name="l00135"></a>00135 <span class="comment"> * Use zero for a reasonable default.</span>
<a name="l00136"></a>00136 <span class="comment"> * \param fusb_nblocks number of fast usb URBs to allocate. Use zero for a reasonable default. </span>
<a name="l00137"></a>00137 <span class="comment"> * \param fpga_filename Name of rbf file to load</span>
<a name="l00138"></a>00138 <span class="comment"> * \param firmware_filename Name of ihx file to load</span>
<a name="l00139"></a>00139 <span class="comment"> */</span>
<a name="l00140"></a>00140 <span class="keyword">static</span> <a class="code" href="classboost_1_1shared__ptr.html">usrp_standard_rx_sptr</a> <a class="code" href="classusrp__standard__rx.html#a89421e658fe74f266e4d45fed2b73dbd" title="invokes constructor, returns shared_ptr or shared_ptr equivalent of 0 if trouble">make</a>(<span class="keywordtype">int</span> which_board,
<a name="l00141"></a>00141 <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> decim_rate,
<a name="l00142"></a>00142 <span class="keywordtype">int</span> nchan = 1,
<a name="l00143"></a>00143 <span class="keywordtype">int</span> <a class="code" href="classusrp__standard__rx.html#a5705205822065977c5e777aafe5c203f">mux</a> = -1,
<a name="l00144"></a>00144 <span class="keywordtype">int</span> mode = 0,
<a name="l00145"></a>00145 <span class="keywordtype">int</span> fusb_block_size = 0,
<a name="l00146"></a>00146 <span class="keywordtype">int</span> fusb_nblocks = 0,
<a name="l00147"></a>00147 <span class="keyword">const</span> std::string fpga_filename = <span class="stringliteral">""</span>,
<a name="l00148"></a>00148 <span class="keyword">const</span> std::string firmware_filename = <span class="stringliteral">""</span>
<a name="l00149"></a>00149 );<span class="comment"></span>
<a name="l00150"></a>00150 <span class="comment"> /*!</span>
<a name="l00151"></a>00151 <span class="comment"> * \brief Set decimator rate. \p rate MUST BE EVEN and in [8, 256].</span>
<a name="l00152"></a>00152 <span class="comment"> *</span>
<a name="l00153"></a>00153 <span class="comment"> * The final complex sample rate across the USB is</span>
<a name="l00154"></a>00154 <span class="comment"> * adc_freq () / decim_rate () * nchannels ()</span>
<a name="l00155"></a>00155 <span class="comment"> */</span>
<a name="l00156"></a>00156 <span class="keywordtype">bool</span> <a class="code" href="classusrp__standard__rx.html#af75a82a32f50117b4acfe518b0c31e89" title="Set decimator rate. rate MUST BE EVEN and in [8, 256].">set_decim_rate</a> (<span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> rate);
<a name="l00157"></a>00157 <span class="comment"></span>
<a name="l00158"></a>00158 <span class="comment"> /*!</span>
<a name="l00159"></a>00159 <span class="comment"> * \brief Set number of active channels. \p nchannels must be 1, 2 or 4.</span>
<a name="l00160"></a>00160 <span class="comment"> *</span>
<a name="l00161"></a>00161 <span class="comment"> * The final complex sample rate across the USB is</span>
<a name="l00162"></a>00162 <span class="comment"> * adc_freq () / decim_rate () * nchannels ()</span>
<a name="l00163"></a>00163 <span class="comment"> */</span>
<a name="l00164"></a>00164 <span class="keywordtype">bool</span> <a class="code" href="classusrp__standard__rx.html#a9ab9aa92005647b967d063003a841ca0" title="Set number of active channels. nchannels must be 1, 2 or 4.">set_nchannels</a> (<span class="keywordtype">int</span> <a class="code" href="classusrp__standard__rx.html#a0ad5d52ec8a7c7270e6248614ae0a4a4">nchannels</a>);
<a name="l00165"></a>00165 <span class="comment"></span>
<a name="l00166"></a>00166 <span class="comment"> /*!</span>
<a name="l00167"></a>00167 <span class="comment"> * \brief Set input mux configuration.</span>
<a name="l00168"></a>00168 <span class="comment"> *</span>
<a name="l00169"></a>00169 <span class="comment"> * This determines which ADC (or constant zero) is connected to </span>
<a name="l00170"></a>00170 <span class="comment"> * each DDC input. There are 4 DDCs. Each has two inputs.</span>
<a name="l00171"></a>00171 <span class="comment"> *</span>
<a name="l00172"></a>00172 <span class="comment"> * <pre></span>
<a name="l00173"></a>00173 <span class="comment"> * Mux value:</span>
<a name="l00174"></a>00174 <span class="comment"> *</span>
<a name="l00175"></a>00175 <span class="comment"> * 3 2 1 </span>
<a name="l00176"></a>00176 <span class="comment"> * 1 0 9 8 7 6 5 4 3 2 1 0 9 8 7 6 5 4 3 2 1 0 9 8 7 6 5 4 3 2 1 0</span>
<a name="l00177"></a>00177 <span class="comment"> * +-------+-------+-------+-------+-------+-------+-------+-------+</span>
<a name="l00178"></a>00178 <span class="comment"> * | Q3 | I3 | Q2 | I2 | Q1 | I1 | Q0 | I0 |</span>
<a name="l00179"></a>00179 <span class="comment"> * +-------+-------+-------+-------+-------+-------+-------+-------+</span>
<a name="l00180"></a>00180 <span class="comment"> *</span>
<a name="l00181"></a>00181 <span class="comment"> * Each 4-bit I field is either 0,1,2,3</span>
<a name="l00182"></a>00182 <span class="comment"> * Each 4-bit Q field is either 0,1,2,3 or 0xf (input is const zero)</span>
<a name="l00183"></a>00183 <span class="comment"> * All Q's must be 0xf or none of them may be 0xf</span>
<a name="l00184"></a>00184 <span class="comment"> * </pre></span>
<a name="l00185"></a>00185 <span class="comment"> */</span>
<a name="l00186"></a>00186 <span class="keywordtype">bool</span> <a class="code" href="classusrp__standard__rx.html#aa98b7831a644635f19ee84a7ecd404b2" title="Set input mux configuration.">set_mux</a> (<span class="keywordtype">int</span> <a class="code" href="classusrp__standard__rx.html#a5705205822065977c5e777aafe5c203f">mux</a>);
<a name="l00187"></a>00187 <span class="comment"></span>
<a name="l00188"></a>00188 <span class="comment"> /*!</span>
<a name="l00189"></a>00189 <span class="comment"> * Determine the appropriate Rx mux value as a function of the subdevice choosen</span>
<a name="l00190"></a>00190 <span class="comment"> * and the characteristics of the respective daughterboard.</span>
<a name="l00191"></a>00191 <span class="comment"> */</span>
<a name="l00192"></a>00192 <span class="keywordtype">int</span> <a class="code" href="classusrp__standard__rx.html#a1b1d513ec9017203d3d2eede645093d5">determine_rx_mux_value</a>(<span class="keyword">const</span> <a class="code" href="structusrp__subdev__spec.html" title="specify a daughterboard and subdevice on a daughterboard.">usrp_subdev_spec</a> &ss);
<a name="l00193"></a>00193 <span class="keywordtype">int</span> <a class="code" href="classusrp__standard__rx.html#a1b1d513ec9017203d3d2eede645093d5">determine_rx_mux_value</a>(<span class="keyword">const</span> <a class="code" href="structusrp__subdev__spec.html" title="specify a daughterboard and subdevice on a daughterboard.">usrp_subdev_spec</a> &ss_a, <span class="keyword">const</span> <a class="code" href="structusrp__subdev__spec.html" title="specify a daughterboard and subdevice on a daughterboard.">usrp_subdev_spec</a> &ss_b);
<a name="l00194"></a>00194 <span class="comment"></span>
<a name="l00195"></a>00195 <span class="comment"> /*!</span>
<a name="l00196"></a>00196 <span class="comment"> * \brief set the frequency of the digital down converter.</span>
<a name="l00197"></a>00197 <span class="comment"> *</span>
<a name="l00198"></a>00198 <span class="comment"> * \p channel must be in the range [0,3]. \p freq is the center</span>
<a name="l00199"></a>00199 <span class="comment"> * frequency in Hz. \p freq may be either negative or postive.</span>
<a name="l00200"></a>00200 <span class="comment"> * The frequency specified is quantized. Use rx_freq to retrieve</span>
<a name="l00201"></a>00201 <span class="comment"> * the actual value used.</span>
<a name="l00202"></a>00202 <span class="comment"> */</span>
<a name="l00203"></a>00203 <span class="keywordtype">bool</span> <a class="code" href="classusrp__standard__rx.html#a4f3584afcc01962580cf420015d93cda" title="set the frequency of the digital down converter.">set_rx_freq</a> (<span class="keywordtype">int</span> channel, <span class="keywordtype">double</span> freq);
<a name="l00204"></a>00204 <span class="comment"></span>
<a name="l00205"></a>00205 <span class="comment"> /*!</span>
<a name="l00206"></a>00206 <span class="comment"> * \brief set fpga mode</span>
<a name="l00207"></a>00207 <span class="comment"> */</span>
<a name="l00208"></a>00208 <span class="keywordtype">bool</span> <a class="code" href="classusrp__standard__rx.html#aafcd5898e3cddfaacd0535a6a678aafd" title="set fpga mode">set_fpga_mode</a> (<span class="keywordtype">int</span> mode);
<a name="l00209"></a>00209 <span class="comment"></span>
<a name="l00210"></a>00210 <span class="comment"> /*!</span>
<a name="l00211"></a>00211 <span class="comment"> * \brief Set the digital down converter phase register.</span>
<a name="l00212"></a>00212 <span class="comment"> *</span>
<a name="l00213"></a>00213 <span class="comment"> * \param channel which ddc channel [0, 3]</span>
<a name="l00214"></a>00214 <span class="comment"> * \param phase 32-bit integer phase value.</span>
<a name="l00215"></a>00215 <span class="comment"> */</span>
<a name="l00216"></a>00216 <span class="keywordtype">bool</span> <a class="code" href="classusrp__standard__rx.html#a71a1352e5b799f798ea528a09f240b7d" title="Set the digital down converter phase register.">set_ddc_phase</a>(<span class="keywordtype">int</span> channel, <span class="keywordtype">int</span> phase);
<a name="l00217"></a>00217 <span class="comment"></span>
<a name="l00218"></a>00218 <span class="comment"> /*!</span>
<a name="l00219"></a>00219 <span class="comment"> * \brief Specify Rx data format.</span>
<a name="l00220"></a>00220 <span class="comment"> *</span>
<a name="l00221"></a>00221 <span class="comment"> * \param format format specifier</span>
<a name="l00222"></a>00222 <span class="comment"> *</span>
<a name="l00223"></a>00223 <span class="comment"> * Rx data format control register</span>
<a name="l00224"></a>00224 <span class="comment"> *</span>
<a name="l00225"></a>00225 <span class="comment"> * 3 2 1 </span>
<a name="l00226"></a>00226 <span class="comment"> * 1 0 9 8 7 6 5 4 3 2 1 0 9 8 7 6 5 4 3 2 1 0 9 8 7 6 5 4 3 2 1 0</span>
<a name="l00227"></a>00227 <span class="comment"> * +-----------------------------------------+-+-+---------+-------+</span>
<a name="l00228"></a>00228 <span class="comment"> * | Reserved (Must be zero) |B|Q| WIDTH | SHIFT |</span>
<a name="l00229"></a>00229 <span class="comment"> * +-----------------------------------------+-+-+---------+-------+</span>
<a name="l00230"></a>00230 <span class="comment"> *</span>
<a name="l00231"></a>00231 <span class="comment"> * SHIFT specifies arithmetic right shift [0, 15]</span>
<a name="l00232"></a>00232 <span class="comment"> * WIDTH specifies bit-width of I & Q samples across the USB [1, 16] (not all valid)</span>
<a name="l00233"></a>00233 <span class="comment"> * Q if set deliver both I & Q, else just I</span>
<a name="l00234"></a>00234 <span class="comment"> * B if set bypass half-band filter.</span>
<a name="l00235"></a>00235 <span class="comment"> *</span>
<a name="l00236"></a>00236 <span class="comment"> * Right now the acceptable values are:</span>
<a name="l00237"></a>00237 <span class="comment"> *</span>
<a name="l00238"></a>00238 <span class="comment"> * B Q WIDTH SHIFT</span>
<a name="l00239"></a>00239 <span class="comment"> * 0 1 16 0</span>
<a name="l00240"></a>00240 <span class="comment"> * 0 1 8 8</span>
<a name="l00241"></a>00241 <span class="comment"> *</span>
<a name="l00242"></a>00242 <span class="comment"> * More valid combos to come.</span>
<a name="l00243"></a>00243 <span class="comment"> *</span>
<a name="l00244"></a>00244 <span class="comment"> * Default value is 0x00000300 16-bits, 0 shift, deliver both I & Q.</span>
<a name="l00245"></a>00245 <span class="comment"> */</span>
<a name="l00246"></a>00246 <span class="keywordtype">bool</span> <a class="code" href="classusrp__standard__rx.html#ad196898bb518333f3ce753905d3cfd0a" title="Specify Rx data format.">set_format</a>(<span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> <a class="code" href="classusrp__standard__rx.html#a138542206516dba75c5c90af984dcf84">format</a>);
<a name="l00247"></a>00247
<a name="l00248"></a>00248 <span class="keyword">static</span> <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> <a class="code" href="classusrp__standard__rx.html#aed300d5b34bba66c5e307c8cb54d41fd">make_format</a>(<span class="keywordtype">int</span> width=16, <span class="keywordtype">int</span> shift=0,
<a name="l00249"></a>00249 <span class="keywordtype">bool</span> want_q=<span class="keyword">true</span>, <span class="keywordtype">bool</span> bypass_halfband=<span class="keyword">false</span>);
<a name="l00250"></a>00250 <span class="keyword">static</span> <span class="keywordtype">int</span> <a class="code" href="classusrp__standard__rx.html#a0d76470600e098467e4ffb43f7fe8c38">format_width</a>(<span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> <a class="code" href="classusrp__standard__rx.html#a138542206516dba75c5c90af984dcf84">format</a>);
<a name="l00251"></a>00251 <span class="keyword">static</span> <span class="keywordtype">int</span> <a class="code" href="classusrp__standard__rx.html#afcd672892da422a70145c7d0f9163169">format_shift</a>(<span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> <a class="code" href="classusrp__standard__rx.html#a138542206516dba75c5c90af984dcf84">format</a>);
<a name="l00252"></a>00252 <span class="keyword">static</span> <span class="keywordtype">bool</span> <a class="code" href="classusrp__standard__rx.html#ac97bd727d5e4ad7f858a14ea66f64816">format_want_q</a>(<span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> <a class="code" href="classusrp__standard__rx.html#a138542206516dba75c5c90af984dcf84">format</a>);
<a name="l00253"></a>00253 <span class="keyword">static</span> <span class="keywordtype">bool</span> <a class="code" href="classusrp__standard__rx.html#a110e42de068cc05bc5be9500223b3073">format_bypass_halfband</a>(<span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> <a class="code" href="classusrp__standard__rx.html#a138542206516dba75c5c90af984dcf84">format</a>);
<a name="l00254"></a>00254 <span class="comment"></span>
<a name="l00255"></a>00255 <span class="comment"> /*!</span>
<a name="l00256"></a>00256 <span class="comment"> * \brief High-level "tune" method. Works for the single channel case.</span>
<a name="l00257"></a>00257 <span class="comment"> *</span>
<a name="l00258"></a>00258 <span class="comment"> * This method adjusts both the daughterboard LO and the DDC so that</span>
<a name="l00259"></a>00259 <span class="comment"> * target_freq ends up at DC in the complex baseband samples.</span>
<a name="l00260"></a>00260 <span class="comment"> *</span>
<a name="l00261"></a>00261 <span class="comment"> * \param chan which DDC channel we're controlling (almost always 0).</span>
<a name="l00262"></a>00262 <span class="comment"> * \param db the daughterboard we're controlling.</span>
<a name="l00263"></a>00263 <span class="comment"> * \param target_freq the RF frequency we want at DC in the complex baseband.</span>
<a name="l00264"></a>00264 <span class="comment"> * \param[out] result details how the hardware was configured.</span>
<a name="l00265"></a>00265 <span class="comment"> *</span>
<a name="l00266"></a>00266 <span class="comment"> * \returns true iff everything was successful.</span>
<a name="l00267"></a>00267 <span class="comment"> */</span>
<a name="l00268"></a>00268 <span class="keywordtype">bool</span> <a class="code" href="classusrp__standard__rx.html#a261d53e643bfc5e6bdaa2f84a070bd42" title="High-level &quot;tune&quot; method. Works for the single channel case.">tune</a>(<span class="keywordtype">int</span> chan, <a class="code" href="classboost_1_1shared__ptr.html" title="shared_ptr documentation stub">db_base_sptr</a> <a class="code" href="classusrp__basic.html#a8eb1f58ca819437d7f43ad87574bd6da">db</a>, <span class="keywordtype">double</span> target_freq, <a class="code" href="classusrp__tune__result.html">usrp_tune_result</a> *result);
<a name="l00269"></a>00269
<a name="l00270"></a>00270
<a name="l00271"></a>00271 <span class="comment">// ACCESSORS</span>
<a name="l00272"></a>00272 <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> <a class="code" href="classusrp__standard__rx.html#ab92676b3ff5e472846e957f95c3374e5">decim_rate</a> () <span class="keyword">const</span>;
<a name="l00273"></a>00273 <span class="keywordtype">double</span> <a class="code" href="classusrp__standard__rx.html#a1b8044ecae8a8acc9bb84e40dce4076e">rx_freq</a> (<span class="keywordtype">int</span> channel) <span class="keyword">const</span>;
<a name="l00274"></a>00274 <span class="keywordtype">int</span> <a class="code" href="classusrp__standard__rx.html#a0ad5d52ec8a7c7270e6248614ae0a4a4">nchannels</a> () <span class="keyword">const</span>;
<a name="l00275"></a>00275 <span class="keywordtype">int</span> <a class="code" href="classusrp__standard__rx.html#a5705205822065977c5e777aafe5c203f">mux</a> () <span class="keyword">const</span>;
<a name="l00276"></a>00276 <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> <a class="code" href="classusrp__standard__rx.html#a138542206516dba75c5c90af984dcf84">format</a> () <span class="keyword">const</span>;
<a name="l00277"></a>00277
<a name="l00278"></a>00278 <span class="comment">// called in base class to derived class order</span>
<a name="l00279"></a>00279 <span class="keywordtype">bool</span> <a class="code" href="classusrp__standard__rx.html#ac97772bce1c0aaca0fee2462accd8123" title="Start data transfers. Called in base class to derived class order.">start</a> ();
<a name="l00280"></a>00280 <span class="keywordtype">bool</span> <a class="code" href="classusrp__standard__rx.html#a545808dbbdc7de3331123e7af6021144" title="Stop data transfers. Called in base class to derived class order.">stop</a> ();
<a name="l00281"></a>00281 };
<a name="l00282"></a>00282
<a name="l00283"></a>00283 <span class="comment">// ----------------------------------------------------------------</span>
<a name="l00284"></a>00284 <span class="comment"></span>
<a name="l00285"></a>00285 <span class="comment">/*!</span>
<a name="l00286"></a>00286 <span class="comment"> * \brief The C++ interface the transmit side of the USRP</span>
<a name="l00287"></a>00287 <span class="comment"> * \ingroup usrp</span>
<a name="l00288"></a>00288 <span class="comment"> *</span>
<a name="l00289"></a>00289 <span class="comment"> * This is the recommended interface to USRP transmit functionality</span>
<a name="l00290"></a>00290 <span class="comment"> * for applications that use the USRP but not GNU Radio.</span>
<a name="l00291"></a>00291 <span class="comment"> *</span>
<a name="l00292"></a>00292 <span class="comment"> * Uses digital upconverter (coarse & fine modulators) in AD9862...</span>
<a name="l00293"></a>00293 <span class="comment"> */</span>
<a name="l00294"></a><a class="code" href="classusrp__standard__tx.html">00294</a> <span class="keyword">class </span><a class="code" href="classusrp__standard__tx.html" title="The C++ interface the transmit side of the USRPThis is the recommended interface to USRP transmit fun...">usrp_standard_tx</a> : <span class="keyword">public</span> <a class="code" href="classusrp__basic__tx.html" title="class for accessing the transmit side of the USRP">usrp_basic_tx</a>, <span class="keyword">public</span> <a class="code" href="classusrp__standard__common.html">usrp_standard_common</a>
<a name="l00295"></a>00295 {
<a name="l00296"></a>00296 <span class="keyword">public</span>:
<a name="l00297"></a><a class="code" href="classusrp__standard__tx.html#a4c70322824b7b9d040aa265d0587c191">00297</a> <span class="keyword">enum</span> <a class="code" href="classusrp__standard__tx.html#a4c70322824b7b9d040aa265d0587c191">coarse_mod_t</a> {
<a name="l00298"></a><a class="code" href="classusrp__standard__tx.html#a4c70322824b7b9d040aa265d0587c191a55fe460189a049f7aea3f9bc149adf91">00298</a> <a class="code" href="classusrp__standard__tx.html#a4c70322824b7b9d040aa265d0587c191a55fe460189a049f7aea3f9bc149adf91">CM_NEG_FDAC_OVER_4</a>, <span class="comment">// -32 MHz</span>
<a name="l00299"></a><a class="code" href="classusrp__standard__tx.html#a4c70322824b7b9d040aa265d0587c191a98ba952bdb469cbbb02a163216162e7c">00299</a> <a class="code" href="classusrp__standard__tx.html#a4c70322824b7b9d040aa265d0587c191a98ba952bdb469cbbb02a163216162e7c">CM_NEG_FDAC_OVER_8</a>, <span class="comment">// -16 MHz</span>
<a name="l00300"></a><a class="code" href="classusrp__standard__tx.html#a4c70322824b7b9d040aa265d0587c191afd3ae5e29447d64701502467ce0886c7">00300</a> <a class="code" href="classusrp__standard__tx.html#a4c70322824b7b9d040aa265d0587c191afd3ae5e29447d64701502467ce0886c7">CM_OFF</a>,
<a name="l00301"></a><a class="code" href="classusrp__standard__tx.html#a4c70322824b7b9d040aa265d0587c191ad3e2a1cb01acbb2e491780a2ad334e14">00301</a> <a class="code" href="classusrp__standard__tx.html#a4c70322824b7b9d040aa265d0587c191ad3e2a1cb01acbb2e491780a2ad334e14">CM_POS_FDAC_OVER_8</a>, <span class="comment">// +16 MHz</span>
<a name="l00302"></a><a class="code" href="classusrp__standard__tx.html#a4c70322824b7b9d040aa265d0587c191aad92fc027ad13bcbf3cc8839918822bc">00302</a> <a class="code" href="classusrp__standard__tx.html#a4c70322824b7b9d040aa265d0587c191aad92fc027ad13bcbf3cc8839918822bc">CM_POS_FDAC_OVER_4</a> <span class="comment">// +32 MHz</span>
<a name="l00303"></a>00303 };
<a name="l00304"></a>00304
<a name="l00305"></a>00305 <span class="keyword">protected</span>:
<a name="l00306"></a><a class="code" href="classusrp__standard__tx.html#a2d21279d48272cf133db170b9f142218">00306</a> <span class="keyword">static</span> <span class="keyword">const</span> <span class="keywordtype">int</span> <a class="code" href="classusrp__standard__tx.html#a2d21279d48272cf133db170b9f142218">MAX_CHAN</a> = 2;
<a name="l00307"></a><a class="code" href="classusrp__standard__tx.html#ac1c7c7ce9479045ad9dca8f409f5ef87">00307</a> <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> <a class="code" href="classusrp__standard__tx.html#ac1c7c7ce9479045ad9dca8f409f5ef87">d_interp_rate</a>;
<a name="l00308"></a><a class="code" href="classusrp__standard__tx.html#a536872bd7b7f90d94bf58f5b45df0f3d">00308</a> <span class="keywordtype">int</span> <a class="code" href="classusrp__standard__tx.html#a536872bd7b7f90d94bf58f5b45df0f3d">d_nchan</a>;
<a name="l00309"></a><a class="code" href="classusrp__standard__tx.html#adc70d6cc3f72451cd83b7276d35b2615">00309</a> <span class="keywordtype">int</span> <a class="code" href="classusrp__standard__tx.html#adc70d6cc3f72451cd83b7276d35b2615">d_sw_mux</a>;
<a name="l00310"></a><a class="code" href="classusrp__standard__tx.html#a4b22d4e7f26f031d01fe99b4c8394447">00310</a> <span class="keywordtype">int</span> <a class="code" href="classusrp__standard__tx.html#a4b22d4e7f26f031d01fe99b4c8394447">d_hw_mux</a>;
<a name="l00311"></a><a class="code" href="classusrp__standard__tx.html#a28918715849de2505bd480cccb5d6b4c">00311</a> <span class="keywordtype">double</span> <a class="code" href="classusrp__standard__tx.html#a28918715849de2505bd480cccb5d6b4c">d_tx_freq</a>[<a class="code" href="classusrp__standard__tx.html#a2d21279d48272cf133db170b9f142218">MAX_CHAN</a>];
<a name="l00312"></a><a class="code" href="classusrp__standard__tx.html#a5c439350ad4d861c49c21d203110eedb">00312</a> <a class="code" href="classusrp__standard__tx.html#a4c70322824b7b9d040aa265d0587c191">coarse_mod_t</a> <a class="code" href="classusrp__standard__tx.html#a5c439350ad4d861c49c21d203110eedb">d_coarse_mod</a>[<a class="code" href="classusrp__standard__tx.html#a2d21279d48272cf133db170b9f142218">MAX_CHAN</a>];
<a name="l00313"></a><a class="code" href="classusrp__standard__tx.html#a1b713d251419953e67467df19295c385">00313</a> <span class="keywordtype">unsigned</span> <span class="keywordtype">char</span> <a class="code" href="classusrp__standard__tx.html#a1b713d251419953e67467df19295c385">d_tx_modulator_shadow</a>[<a class="code" href="classusrp__standard__tx.html#a2d21279d48272cf133db170b9f142218">MAX_CHAN</a>];
<a name="l00314"></a>00314
<a name="l00315"></a>00315 <span class="keyword">virtual</span> <span class="keywordtype">bool</span> <a class="code" href="classusrp__standard__tx.html#a4a5daeae21c7783ac20ffbbcd6495058">set_coarse_modulator</a> (<span class="keywordtype">int</span> channel, <a class="code" href="classusrp__standard__tx.html#a4c70322824b7b9d040aa265d0587c191">coarse_mod_t</a> cm);
<a name="l00316"></a>00316 <a class="code" href="classusrp__standard__tx.html#a4c70322824b7b9d040aa265d0587c191">usrp_standard_tx::coarse_mod_t</a> <a class="code" href="classusrp__standard__tx.html#a878b5d0c2c3878a27c54eb95122467f9">coarse_modulator</a> (<span class="keywordtype">int</span> channel) <span class="keyword">const</span>;
<a name="l00317"></a>00317
<a name="l00318"></a>00318 <span class="keyword">protected</span>:
<a name="l00319"></a>00319 <a class="code" href="classusrp__standard__tx.html#ab3ebe65a0203867b6c71edcf2d4ffb88">usrp_standard_tx</a> (<span class="keywordtype">int</span> which_board,
<a name="l00320"></a>00320 <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> <a class="code" href="classusrp__standard__tx.html#a2268e9e90e037cce86f9f83cce2a006d">interp_rate</a>,
<a name="l00321"></a>00321 <span class="keywordtype">int</span> nchan = 1,
<a name="l00322"></a>00322 <span class="keywordtype">int</span> <a class="code" href="classusrp__standard__tx.html#a18b5e48aee2ab110932d382b94e71268">mux</a> = -1,
<a name="l00323"></a>00323 <span class="keywordtype">int</span> fusb_block_size = 0,
<a name="l00324"></a>00324 <span class="keywordtype">int</span> fusb_nblocks = 0,
<a name="l00325"></a>00325 <span class="keyword">const</span> std::string fpga_filename = <span class="stringliteral">""</span>,
<a name="l00326"></a>00326 <span class="keyword">const</span> std::string firmware_filename = <span class="stringliteral">""</span>
<a name="l00327"></a>00327 ); <span class="comment">// throws if trouble</span>
<a name="l00328"></a>00328
<a name="l00329"></a>00329 <span class="keywordtype">bool</span> <a class="code" href="classusrp__standard__tx.html#abd05aee7bbd18ef62bcc8dc18a11a960">write_hw_mux_reg</a> ();
<a name="l00330"></a>00330
<a name="l00331"></a>00331 <span class="keyword">public</span>:
<a name="l00332"></a>00332 <a class="code" href="classusrp__standard__tx.html#a440777cafe861f07ddeafa4d30327a1d">~usrp_standard_tx</a> ();
<a name="l00333"></a>00333 <span class="comment"></span>
<a name="l00334"></a>00334 <span class="comment"> /*!</span>
<a name="l00335"></a>00335 <span class="comment"> * \brief invokes constructor, returns shared_ptr or shared_ptr equivalent of 0 if trouble</span>
<a name="l00336"></a>00336 <span class="comment"> *</span>
<a name="l00337"></a>00337 <span class="comment"> * \param which_board Which USRP board on usb (not particularly useful; use 0)</span>
<a name="l00338"></a>00338 <span class="comment"> * \param interp_rate interpolation factor</span>
<a name="l00339"></a>00339 <span class="comment"> * \param nchan number of channels</span>
<a name="l00340"></a>00340 <span class="comment"> * \param mux Tx mux setting, \sa set_mux</span>
<a name="l00341"></a>00341 <span class="comment"> * \param fusb_block_size fast usb xfer block size. Must be a multiple of 512. </span>
<a name="l00342"></a>00342 <span class="comment"> * Use zero for a reasonable default.</span>
<a name="l00343"></a>00343 <span class="comment"> * \param fusb_nblocks number of fast usb URBs to allocate. Use zero for a reasonable default. </span>
<a name="l00344"></a>00344 <span class="comment"> * \param fpga_filename Name of rbf file to load</span>
<a name="l00345"></a>00345 <span class="comment"> * \param firmware_filename Name of ihx file to load</span>
<a name="l00346"></a>00346 <span class="comment"> */</span>
<a name="l00347"></a>00347 <span class="keyword">static</span> <a class="code" href="classboost_1_1shared__ptr.html">usrp_standard_tx_sptr</a> <a class="code" href="classusrp__standard__tx.html#ad44e49c04d276efa53338e2105c933e5" title="invokes constructor, returns shared_ptr or shared_ptr equivalent of 0 if trouble">make</a>(<span class="keywordtype">int</span> which_board,
<a name="l00348"></a>00348 <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> <a class="code" href="classusrp__standard__tx.html#a2268e9e90e037cce86f9f83cce2a006d">interp_rate</a>,
<a name="l00349"></a>00349 <span class="keywordtype">int</span> nchan = 1,
<a name="l00350"></a>00350 <span class="keywordtype">int</span> <a class="code" href="classusrp__standard__tx.html#a18b5e48aee2ab110932d382b94e71268">mux</a> = -1,
<a name="l00351"></a>00351 <span class="keywordtype">int</span> fusb_block_size = 0,
<a name="l00352"></a>00352 <span class="keywordtype">int</span> fusb_nblocks = 0,
<a name="l00353"></a>00353 <span class="keyword">const</span> std::string fpga_filename = <span class="stringliteral">""</span>,
<a name="l00354"></a>00354 <span class="keyword">const</span> std::string firmware_filename = <span class="stringliteral">""</span>
<a name="l00355"></a>00355 );
<a name="l00356"></a>00356 <span class="comment"></span>
<a name="l00357"></a>00357 <span class="comment"> /*!</span>
<a name="l00358"></a>00358 <span class="comment"> * \brief Set interpolator rate. \p rate must be in [4, 512] and a multiple of 4.</span>
<a name="l00359"></a>00359 <span class="comment"> *</span>
<a name="l00360"></a>00360 <span class="comment"> * The final complex sample rate across the USB is</span>
<a name="l00361"></a>00361 <span class="comment"> * dac_freq () / interp_rate () * nchannels ()</span>
<a name="l00362"></a>00362 <span class="comment"> */</span>
<a name="l00363"></a>00363 <span class="keyword">virtual</span> <span class="keywordtype">bool</span> <a class="code" href="classusrp__standard__tx.html#ab13a3b05a3035689af85090ded7389aa" title="Set interpolator rate. rate must be in [4, 512] and a multiple of 4.">set_interp_rate</a> (<span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> rate);
<a name="l00364"></a>00364 <span class="comment"></span>
<a name="l00365"></a>00365 <span class="comment"> /*!</span>
<a name="l00366"></a>00366 <span class="comment"> * \brief Set number of active channels. \p nchannels must be 1 or 2.</span>
<a name="l00367"></a>00367 <span class="comment"> *</span>
<a name="l00368"></a>00368 <span class="comment"> * The final complex sample rate across the USB is</span>
<a name="l00369"></a>00369 <span class="comment"> * dac_freq () / decim_rate () * nchannels ()</span>
<a name="l00370"></a>00370 <span class="comment"> */</span>
<a name="l00371"></a>00371 <span class="keywordtype">bool</span> <a class="code" href="classusrp__standard__tx.html#a5e9167c1f811c6446467ba2935cde618" title="Set number of active channels. nchannels must be 1 or 2.">set_nchannels</a> (<span class="keywordtype">int</span> <a class="code" href="classusrp__standard__tx.html#afc401f90409da171a5de0f91cf5749ef">nchannels</a>);
<a name="l00372"></a>00372 <span class="comment"></span>
<a name="l00373"></a>00373 <span class="comment"> /*!</span>
<a name="l00374"></a>00374 <span class="comment"> * \brief Set output mux configuration.</span>
<a name="l00375"></a>00375 <span class="comment"> *</span>
<a name="l00376"></a>00376 <span class="comment"> * <pre></span>
<a name="l00377"></a>00377 <span class="comment"> * 3 2 1 </span>
<a name="l00378"></a>00378 <span class="comment"> * 1 0 9 8 7 6 5 4 3 2 1 0 9 8 7 6 5 4 3 2 1 0 9 8 7 6 5 4 3 2 1 0</span>
<a name="l00379"></a>00379 <span class="comment"> * +-------------------------------+-------+-------+-------+-------+</span>
<a name="l00380"></a>00380 <span class="comment"> * | | DAC3 | DAC2 | DAC1 | DAC0 |</span>
<a name="l00381"></a>00381 <span class="comment"> * +-------------------------------+-------+-------+-------+-------+</span>
<a name="l00382"></a>00382 <span class="comment"> * </span>
<a name="l00383"></a>00383 <span class="comment"> * There are two interpolators with complex inputs and outputs.</span>
<a name="l00384"></a>00384 <span class="comment"> * There are four DACs.</span>
<a name="l00385"></a>00385 <span class="comment"> * </span>
<a name="l00386"></a>00386 <span class="comment"> * Each 4-bit DACx field specifies the source for the DAC and</span>
<a name="l00387"></a>00387 <span class="comment"> * whether or not that DAC is enabled. Each subfield is coded</span>
<a name="l00388"></a>00388 <span class="comment"> * like this: </span>
<a name="l00389"></a>00389 <span class="comment"> * </span>
<a name="l00390"></a>00390 <span class="comment"> * 3 2 1 0</span>
<a name="l00391"></a>00391 <span class="comment"> * +-+-----+</span>
<a name="l00392"></a>00392 <span class="comment"> * |E| N |</span>
<a name="l00393"></a>00393 <span class="comment"> * +-+-----+</span>
<a name="l00394"></a>00394 <span class="comment"> * </span>
<a name="l00395"></a>00395 <span class="comment"> * Where E is set if the DAC is enabled, and N specifies which</span>
<a name="l00396"></a>00396 <span class="comment"> * interpolator output is connected to this DAC.</span>
<a name="l00397"></a>00397 <span class="comment"> * </span>
<a name="l00398"></a>00398 <span class="comment"> * N which interp output</span>
<a name="l00399"></a>00399 <span class="comment"> * --- -------------------</span>
<a name="l00400"></a>00400 <span class="comment"> * 0 chan 0 I</span>
<a name="l00401"></a>00401 <span class="comment"> * 1 chan 0 Q</span>
<a name="l00402"></a>00402 <span class="comment"> * 2 chan 1 I</span>
<a name="l00403"></a>00403 <span class="comment"> * 3 chan 1 Q</span>
<a name="l00404"></a>00404 <span class="comment"> * </pre></span>
<a name="l00405"></a>00405 <span class="comment"> */</span>
<a name="l00406"></a>00406 <span class="keywordtype">bool</span> <a class="code" href="classusrp__standard__tx.html#a2e432c316c8a91613b9603ebe664bfd1" title="Set output mux configuration.">set_mux</a> (<span class="keywordtype">int</span> <a class="code" href="classusrp__standard__tx.html#a18b5e48aee2ab110932d382b94e71268">mux</a>);
<a name="l00407"></a>00407 <span class="comment"></span>
<a name="l00408"></a>00408 <span class="comment"> /*!</span>
<a name="l00409"></a>00409 <span class="comment"> * Determine the appropriate Tx mux value as a function of the subdevice choosen</span>
<a name="l00410"></a>00410 <span class="comment"> * and the characteristics of the respective daughterboard.</span>
<a name="l00411"></a>00411 <span class="comment"> */</span>
<a name="l00412"></a>00412 <span class="keywordtype">int</span> <a class="code" href="classusrp__standard__tx.html#a386da4e76f7b2393563e48555c613a96">determine_tx_mux_value</a>(<span class="keyword">const</span> <a class="code" href="structusrp__subdev__spec.html" title="specify a daughterboard and subdevice on a daughterboard.">usrp_subdev_spec</a> &ss);
<a name="l00413"></a>00413 <span class="keywordtype">int</span> <a class="code" href="classusrp__standard__tx.html#a386da4e76f7b2393563e48555c613a96">determine_tx_mux_value</a>(<span class="keyword">const</span> <a class="code" href="structusrp__subdev__spec.html" title="specify a daughterboard and subdevice on a daughterboard.">usrp_subdev_spec</a> &ss_a, <span class="keyword">const</span> <a class="code" href="structusrp__subdev__spec.html" title="specify a daughterboard and subdevice on a daughterboard.">usrp_subdev_spec</a> &ss_b);
<a name="l00414"></a>00414 <span class="comment"></span>
<a name="l00415"></a>00415 <span class="comment"> /*!</span>
<a name="l00416"></a>00416 <span class="comment"> * \brief set the frequency of the digital up converter.</span>
<a name="l00417"></a>00417 <span class="comment"> *</span>
<a name="l00418"></a>00418 <span class="comment"> * \p channel must be in the range [0,1]. \p freq is the center</span>
<a name="l00419"></a>00419 <span class="comment"> * frequency in Hz. It must be in the range [-44M, 44M].</span>
<a name="l00420"></a>00420 <span class="comment"> * The frequency specified is quantized. Use tx_freq to retrieve</span>
<a name="l00421"></a>00421 <span class="comment"> * the actual value used.</span>
<a name="l00422"></a>00422 <span class="comment"> */</span>
<a name="l00423"></a>00423 <span class="keyword">virtual</span> <span class="keywordtype">bool</span> <a class="code" href="classusrp__standard__tx.html#ab28d467abaa2584967efc69aa674a1d1" title="set the frequency of the digital up converter.">set_tx_freq</a> (<span class="keywordtype">int</span> channel, <span class="keywordtype">double</span> freq); <span class="comment">// chan: [0,1]</span>
<a name="l00424"></a>00424
<a name="l00425"></a>00425 <span class="comment">// ACCESSORS</span>
<a name="l00426"></a>00426 <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> <a class="code" href="classusrp__standard__tx.html#a2268e9e90e037cce86f9f83cce2a006d">interp_rate</a> () <span class="keyword">const</span>;
<a name="l00427"></a>00427 <span class="keywordtype">double</span> <a class="code" href="classusrp__standard__tx.html#aa527ce0117c6f6fb6e89f09efb4e381f">tx_freq</a> (<span class="keywordtype">int</span> channel) <span class="keyword">const</span>;
<a name="l00428"></a>00428 <span class="keywordtype">int</span> <a class="code" href="classusrp__standard__tx.html#afc401f90409da171a5de0f91cf5749ef">nchannels</a> () <span class="keyword">const</span>;
<a name="l00429"></a>00429 <span class="keywordtype">int</span> <a class="code" href="classusrp__standard__tx.html#a18b5e48aee2ab110932d382b94e71268">mux</a> () <span class="keyword">const</span>;
<a name="l00430"></a>00430 <span class="comment"></span>
<a name="l00431"></a>00431 <span class="comment"> /*!</span>
<a name="l00432"></a>00432 <span class="comment"> * \brief High-level "tune" method. Works for the single channel case.</span>
<a name="l00433"></a>00433 <span class="comment"> *</span>
<a name="l00434"></a>00434 <span class="comment"> * This method adjusts both the daughterboard LO and the DUC so that</span>
<a name="l00435"></a>00435 <span class="comment"> * DC in the complex baseband samples ends up at RF target_freq.</span>
<a name="l00436"></a>00436 <span class="comment"> *</span>
<a name="l00437"></a>00437 <span class="comment"> * \param chan which DUC channel we're controlling (usually == which_side).</span>
<a name="l00438"></a>00438 <span class="comment"> * \param db the daughterboard we're controlling.</span>
<a name="l00439"></a>00439 <span class="comment"> * \param target_freq the RF frequency we want our baseband translated to.</span>
<a name="l00440"></a>00440 <span class="comment"> * \param[out] result details how the hardware was configured.</span>
<a name="l00441"></a>00441 <span class="comment"> *</span>
<a name="l00442"></a>00442 <span class="comment"> * \returns true iff everything was successful.</span>
<a name="l00443"></a>00443 <span class="comment"> */</span>
<a name="l00444"></a>00444 <span class="keywordtype">bool</span> <a class="code" href="classusrp__standard__tx.html#a5c992590408fe90d4711e355ee12852f" title="High-level &quot;tune&quot; method. Works for the single channel case.">tune</a>(<span class="keywordtype">int</span> chan, <a class="code" href="classboost_1_1shared__ptr.html" title="shared_ptr documentation stub">db_base_sptr</a> <a class="code" href="classusrp__basic.html#a8eb1f58ca819437d7f43ad87574bd6da">db</a>, <span class="keywordtype">double</span> target_freq, <a class="code" href="classusrp__tune__result.html">usrp_tune_result</a> *result);
<a name="l00445"></a>00445
<a name="l00446"></a>00446
<a name="l00447"></a>00447 <span class="comment">// called in base class to derived class order</span>
<a name="l00448"></a>00448 <span class="keywordtype">bool</span> <a class="code" href="classusrp__standard__tx.html#ae6f8039f30bf641b937877001127176f" title="Start data transfers. Called in base class to derived class order.">start</a> ();
<a name="l00449"></a>00449 <span class="keywordtype">bool</span> <a class="code" href="classusrp__standard__tx.html#a5173292e6162fce54a875683f02cdd5c" title="Stop data transfers. Called in base class to derived class order.">stop</a> ();
<a name="l00450"></a>00450 };
<a name="l00451"></a>00451
<a name="l00452"></a>00452 <span class="preprocessor">#endif </span><span class="comment">/* INCLUDED_USRP_STANDARD_H */</span>
</pre></div></div>
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