<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> <html xmlns="http://www.w3.org/1999/xhtml"> <head> <meta http-equiv="Content-Type" content="text/xhtml;charset=UTF-8"/> <meta http-equiv="X-UA-Compatible" content="IE=9"/> <meta name="generator" content="Doxygen 1.8.6"/> <title>libbladeRF: Initialization/deinitialization</title> <link href="tabs.css" rel="stylesheet" type="text/css"/> <script type="text/javascript" src="jquery.js"></script> <script type="text/javascript" src="dynsections.js"></script> <link href="search/search.css" rel="stylesheet" type="text/css"/> <script type="text/javascript" src="search/search.js"></script> <script type="text/javascript"> $(document).ready(function() { searchBox.OnSelectItem(0); }); </script> <script type="text/x-mathjax-config"> MathJax.Hub.Config({ extensions: ["tex2jax.js"], jax: ["input/TeX","output/HTML-CSS"], }); </script><script 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Structures</h2></td></tr> <tr class="memitem:"><td class="memItemLeft" align="right" valign="top">struct  </td><td class="memItemRight" valign="bottom"><a class="el" href="structbladerf__devinfo.html">bladerf_devinfo</a></td></tr> <tr class="separator:"><td class="memSeparator" colspan="2"> </td></tr> </table><table class="memberdecls"> <tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="define-members"></a> Macros</h2></td></tr> <tr class="memitem:ga71d5667028394cdb4ec7b5b9110834c7"><td class="memItemLeft" align="right" valign="top">#define </td><td class="memItemRight" valign="bottom"><a class="el" href="group___f_n___i_n_i_t.html#ga71d5667028394cdb4ec7b5b9110834c7">BLADERF_SERIAL_LENGTH</a>   33</td></tr> <tr class="separator:ga71d5667028394cdb4ec7b5b9110834c7"><td class="memSeparator" colspan="2"> </td></tr> </table><table class="memberdecls"> <tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="enum-members"></a> Enumerations</h2></td></tr> <tr class="memitem:ga3737a52a065ebc838adf4cf426b43fb2"><td class="memItemLeft" align="right" valign="top">enum  </td><td class="memItemRight" valign="bottom"><a class="el" href="group___f_n___i_n_i_t.html#ga3737a52a065ebc838adf4cf426b43fb2">bladerf_backend</a> { <br/>   <a class="el" href="group___f_n___i_n_i_t.html#gga3737a52a065ebc838adf4cf426b43fb2a1e5ca662f4562769b577dbb85fb336ba">BLADERF_BACKEND_ANY</a>, <a class="el" href="group___f_n___i_n_i_t.html#gga3737a52a065ebc838adf4cf426b43fb2a79c8ac0135625e63f2238b0342671214">BLADERF_BACKEND_LINUX</a>, <a class="el" href="group___f_n___i_n_i_t.html#gga3737a52a065ebc838adf4cf426b43fb2a2e7d92fcca14217ed07d0d1f33ca4f8d">BLADERF_BACKEND_LIBUSB</a>, <a class="el" href="group___f_n___i_n_i_t.html#gga3737a52a065ebc838adf4cf426b43fb2aaabd6f3089e0b400f5372903be5e8f75">BLADERF_BACKEND_CYPRESS</a>, <br/>   <a class="el" href="group___f_n___i_n_i_t.html#gga3737a52a065ebc838adf4cf426b43fb2ab6439130f274706c0165f17fcdcce2b3">BLADERF_BACKEND_DUMMY</a> = 100 <br/> }</td></tr> <tr class="separator:ga3737a52a065ebc838adf4cf426b43fb2"><td class="memSeparator" colspan="2"> </td></tr> <tr class="memitem:ga9a3716d6cf5a1c25da8325fa245e92f9"><td class="memItemLeft" align="right" valign="top">enum  </td><td class="memItemRight" valign="bottom"><a class="el" href="group___f_n___i_n_i_t.html#ga9a3716d6cf5a1c25da8325fa245e92f9">bladerf_dev_speed</a> { <b>BLADERF_DEVICE_SPEED_UNKNOWN</b>, <b>BLADERF_DEVICE_SPEED_HIGH</b>, <b>BLADERF_DEVICE_SPEED_SUPER</b> }</td></tr> <tr class="separator:ga9a3716d6cf5a1c25da8325fa245e92f9"><td class="memSeparator" colspan="2"> </td></tr> </table><table class="memberdecls"> <tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="func-members"></a> Functions</h2></td></tr> <tr class="memitem:ga21537e871d943798142176d9a29a5c46"><td class="memItemLeft" align="right" valign="top"><a class="el" href="libblade_r_f_8h.html#a5e3652cae8b48c1ad174f0b06bbd06d0">API_EXPORT</a> int <a class="el" href="libblade_r_f_8h.html#a66285a1fe575693f5f275b212891222e">CALL_CONV</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="group___f_n___i_n_i_t.html#ga21537e871d943798142176d9a29a5c46">bladerf_get_device_list</a> (struct <a class="el" href="structbladerf__devinfo.html">bladerf_devinfo</a> **devices)</td></tr> <tr class="separator:ga21537e871d943798142176d9a29a5c46"><td class="memSeparator" colspan="2"> </td></tr> <tr class="memitem:ga1bf915af51bd39fa6c18e002d8bfc37a"><td class="memItemLeft" align="right" valign="top"><a class="el" href="libblade_r_f_8h.html#a5e3652cae8b48c1ad174f0b06bbd06d0">API_EXPORT</a> void <a class="el" href="libblade_r_f_8h.html#a66285a1fe575693f5f275b212891222e">CALL_CONV</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="group___f_n___i_n_i_t.html#ga1bf915af51bd39fa6c18e002d8bfc37a">bladerf_free_device_list</a> (struct <a class="el" href="structbladerf__devinfo.html">bladerf_devinfo</a> *devices)</td></tr> <tr class="separator:ga1bf915af51bd39fa6c18e002d8bfc37a"><td class="memSeparator" colspan="2"> </td></tr> <tr class="memitem:gace4d5607aacba15ccd2d5361d5eb020e"><td class="memItemLeft" align="right" valign="top"><a class="el" href="libblade_r_f_8h.html#a5e3652cae8b48c1ad174f0b06bbd06d0">API_EXPORT</a> int <a class="el" href="libblade_r_f_8h.html#a66285a1fe575693f5f275b212891222e">CALL_CONV</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="group___f_n___i_n_i_t.html#gace4d5607aacba15ccd2d5361d5eb020e">bladerf_open_with_devinfo</a> (struct bladerf **device, struct <a class="el" href="structbladerf__devinfo.html">bladerf_devinfo</a> *devinfo)</td></tr> <tr class="separator:gace4d5607aacba15ccd2d5361d5eb020e"><td class="memSeparator" colspan="2"> </td></tr> <tr class="memitem:gab341ac98615f393da9158ea59cdb6a24"><td class="memItemLeft" align="right" valign="top"><a class="el" href="libblade_r_f_8h.html#a5e3652cae8b48c1ad174f0b06bbd06d0">API_EXPORT</a> int <a class="el" href="libblade_r_f_8h.html#a66285a1fe575693f5f275b212891222e">CALL_CONV</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="group___f_n___i_n_i_t.html#gab341ac98615f393da9158ea59cdb6a24">bladerf_open</a> (struct bladerf **device, const char *device_identifier)</td></tr> <tr class="separator:gab341ac98615f393da9158ea59cdb6a24"><td class="memSeparator" colspan="2"> </td></tr> <tr class="memitem:ga78676b94de9a8aae49d72a9ef2f0e4d9"><td class="memItemLeft" align="right" valign="top"><a class="el" href="libblade_r_f_8h.html#a5e3652cae8b48c1ad174f0b06bbd06d0">API_EXPORT</a> void <a class="el" href="libblade_r_f_8h.html#a66285a1fe575693f5f275b212891222e">CALL_CONV</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="group___f_n___i_n_i_t.html#ga78676b94de9a8aae49d72a9ef2f0e4d9">bladerf_close</a> (struct bladerf *device)</td></tr> <tr class="separator:ga78676b94de9a8aae49d72a9ef2f0e4d9"><td class="memSeparator" colspan="2"> </td></tr> </table> <a name="details" id="details"></a><h2 class="groupheader">Detailed Description</h2> <p>The functions in this section provide the ability query available devices, initialize them, and deinitialize them. They are not guaranteed to be thread-safe; the caller is responsible for ensuring they are executed atomically. </p> <h2 class="groupheader">Macro Definition Documentation</h2> <a class="anchor" id="ga71d5667028394cdb4ec7b5b9110834c7"></a> <div class="memitem"> <div class="memproto"> <table class="memname"> <tr> <td class="memname">#define BLADERF_SERIAL_LENGTH   33</td> </tr> </table> </div><div class="memdoc"> <p>Length of device serial number string, including NUL-terminator </p> <p>Definition at line <a class="el" href="libblade_r_f_8h_source.html#l00131">131</a> of file <a class="el" href="libblade_r_f_8h_source.html">libbladeRF.h</a>.</p> </div> </div> <h2 class="groupheader">Enumeration Type Documentation</h2> <a class="anchor" id="ga3737a52a065ebc838adf4cf426b43fb2"></a> <div class="memitem"> <div class="memproto"> <table class="memname"> <tr> <td class="memname">enum <a class="el" href="group___f_n___i_n_i_t.html#ga3737a52a065ebc838adf4cf426b43fb2">bladerf_backend</a></td> </tr> </table> </div><div class="memdoc"> <p>Backend by which the host communicates with the device </p> <table class="fieldtable"> <tr><th colspan="2">Enumerator</th></tr><tr><td class="fieldname"><em><a class="anchor" id="gga3737a52a065ebc838adf4cf426b43fb2a1e5ca662f4562769b577dbb85fb336ba"></a>BLADERF_BACKEND_ANY</em> </td><td class="fielddoc"> <p>"Don't Care" – use any available backend </p> </td></tr> <tr><td class="fieldname"><em><a class="anchor" id="gga3737a52a065ebc838adf4cf426b43fb2a79c8ac0135625e63f2238b0342671214"></a>BLADERF_BACKEND_LINUX</em> </td><td class="fielddoc"> <p>Linux kernel driver </p> </td></tr> <tr><td class="fieldname"><em><a class="anchor" id="gga3737a52a065ebc838adf4cf426b43fb2a2e7d92fcca14217ed07d0d1f33ca4f8d"></a>BLADERF_BACKEND_LIBUSB</em> </td><td class="fielddoc"> <p>libusb </p> </td></tr> <tr><td class="fieldname"><em><a class="anchor" id="gga3737a52a065ebc838adf4cf426b43fb2aaabd6f3089e0b400f5372903be5e8f75"></a>BLADERF_BACKEND_CYPRESS</em> </td><td class="fielddoc"> <p>CyAPI </p> </td></tr> <tr><td class="fieldname"><em><a class="anchor" id="gga3737a52a065ebc838adf4cf426b43fb2ab6439130f274706c0165f17fcdcce2b3"></a>BLADERF_BACKEND_DUMMY</em> </td><td class="fielddoc"> <p>Dummy used for development purposes </p> </td></tr> </table> <p>Definition at line <a class="el" href="libblade_r_f_8h_source.html#l00111">111</a> of file <a class="el" href="libblade_r_f_8h_source.html">libbladeRF.h</a>.</p> </div> </div> <a class="anchor" id="ga9a3716d6cf5a1c25da8325fa245e92f9"></a> <div class="memitem"> <div class="memproto"> <table class="memname"> <tr> <td class="memname">enum <a class="el" href="group___f_n___i_n_i_t.html#ga9a3716d6cf5a1c25da8325fa245e92f9">bladerf_dev_speed</a></td> </tr> </table> </div><div class="memdoc"> <p>This enum describes the USB Speed at which the bladeRF is connected. Speeds not listed here are not supported. </p> <p>Definition at line <a class="el" href="libblade_r_f_8h_source.html#l00124">124</a> of file <a class="el" href="libblade_r_f_8h_source.html">libbladeRF.h</a>.</p> </div> </div> <h2 class="groupheader">Function Documentation</h2> <a class="anchor" id="ga78676b94de9a8aae49d72a9ef2f0e4d9"></a> <div class="memitem"> <div class="memproto"> <table class="memname"> <tr> <td class="memname"><a class="el" href="libblade_r_f_8h.html#a5e3652cae8b48c1ad174f0b06bbd06d0">API_EXPORT</a> void <a class="el" href="libblade_r_f_8h.html#a66285a1fe575693f5f275b212891222e">CALL_CONV</a> bladerf_close </td> <td>(</td> <td class="paramtype">struct bladerf * </td> <td class="paramname"><em>device</em></td><td>)</td> <td></td> </tr> </table> </div><div class="memdoc"> <p>Close device</p> <dl class="section note"><dt>Note</dt><dd>Failing to close a device will result in memory leaks.</dd></dl> <dl class="section post"><dt>Postcondition</dt><dd>device is deallocated and may no longer be used.</dd></dl> <dl class="params"><dt>Parameters</dt><dd> <table class="params"> <tr><td class="paramname">device</td><td>Device handle previously obtained by <a class="el" href="group___f_n___i_n_i_t.html#gab341ac98615f393da9158ea59cdb6a24">bladerf_open()</a>. This function does nothing if device is NULL. </td></tr> </table> </dd> </dl> </div> </div> <a class="anchor" id="ga1bf915af51bd39fa6c18e002d8bfc37a"></a> <div class="memitem"> <div class="memproto"> <table class="memname"> <tr> <td class="memname"><a class="el" href="libblade_r_f_8h.html#a5e3652cae8b48c1ad174f0b06bbd06d0">API_EXPORT</a> void <a class="el" href="libblade_r_f_8h.html#a66285a1fe575693f5f275b212891222e">CALL_CONV</a> bladerf_free_device_list </td> <td>(</td> <td class="paramtype">struct <a class="el" href="structbladerf__devinfo.html">bladerf_devinfo</a> * </td> <td class="paramname"><em>devices</em></td><td>)</td> <td></td> </tr> </table> </div><div class="memdoc"> <p>Free device list returned by <a class="el" href="group___f_n___i_n_i_t.html#ga21537e871d943798142176d9a29a5c46">bladerf_get_device_list()</a></p> <dl class="params"><dt>Parameters</dt><dd> <table class="params"> <tr><td class="paramname">devices</td><td>List of available devices </td></tr> </table> </dd> </dl> </div> </div> <a class="anchor" id="ga21537e871d943798142176d9a29a5c46"></a> <div class="memitem"> <div class="memproto"> <table class="memname"> <tr> <td class="memname"><a class="el" href="libblade_r_f_8h.html#a5e3652cae8b48c1ad174f0b06bbd06d0">API_EXPORT</a> int <a class="el" href="libblade_r_f_8h.html#a66285a1fe575693f5f275b212891222e">CALL_CONV</a> bladerf_get_device_list </td> <td>(</td> <td class="paramtype">struct <a class="el" href="structbladerf__devinfo.html">bladerf_devinfo</a> ** </td> <td class="paramname"><em>devices</em></td><td>)</td> <td></td> </tr> </table> </div><div class="memdoc"> <p>Obtain a list of bladeRF devices attached to the system</p> <dl class="params"><dt>Parameters</dt><dd> <table class="params"> <tr><td class="paramdir">[out]</td><td class="paramname">devices</td><td></td></tr> </table> </dd> </dl> <dl class="section return"><dt>Returns</dt><dd>number of items in returned device list, or value from <a class="el" href="group___r_e_t_c_o_d_e_s.html">Error codes</a> list on failure </dd></dl> </div> </div> <a class="anchor" id="gab341ac98615f393da9158ea59cdb6a24"></a> <div class="memitem"> <div class="memproto"> <table class="memname"> <tr> <td class="memname"><a class="el" href="libblade_r_f_8h.html#a5e3652cae8b48c1ad174f0b06bbd06d0">API_EXPORT</a> int <a class="el" href="libblade_r_f_8h.html#a66285a1fe575693f5f275b212891222e">CALL_CONV</a> bladerf_open </td> <td>(</td> <td class="paramtype">struct bladerf ** </td> <td class="paramname"><em>device</em>, </td> </tr> <tr> <td class="paramkey"></td> <td></td> <td class="paramtype">const char * </td> <td class="paramname"><em>device_identifier</em> </td> </tr> <tr> <td></td> <td>)</td> <td></td><td></td> </tr> </table> </div><div class="memdoc"> <p>Open specified device using a device identifier string. See <a class="el" href="group___f_n___i_n_i_t.html#gace4d5607aacba15ccd2d5361d5eb020e">bladerf_open_with_devinfo()</a> if a device identifier string is not readily available.</p> <p>The general form of the device identifier string is; </p> <div class="fragment"><div class="line"><backend>:[device=<bus>:<addr>] [instance=<n>] [serial=<serial>]</div> </div><!-- fragment --><p>An empty ("") or NULL device identifier will result in the first encountered device being opened (using the first discovered backend)</p> <p>The 'backend' describes the mechanism used to communicate with the device, and may be one of the following:</p> <ul> <li>*: Any available backend</li> <li>libusb: libusb (See libusb changelog notes for required version, given your OS and controller)</li> <li>cypress: Cypress CyUSB/CyAPI backend (Windows only)</li> </ul> <p>If no arguments are provided after the backend, the first encountered device on the specified backend will be opened. Note that a backend is required, if any arguments are to be provided.</p> <p>Next, any provided arguments are provide as used to find the desired device. Be sure not to over constrain the search. Generally, only one of the above is required – providing all of these may over constrain the search for the desired device (e.g., if a serial number matches, but not on the specified bus and address.)</p> <ul> <li>device=<bus>:<addr><ul> <li>Specifies USB bus and address. Decimal or hex prefixed by '0x' is permitted.</li> </ul> </li> <li>instance=<n><ul> <li>Nth instance encountered, 0-indexed</li> </ul> </li> <li>serial=<serial><ul> <li>Device's serial number.</li> </ul> </li> </ul> <dl class="params"><dt>Parameters</dt><dd> <table class="params"> <tr><td class="paramdir">[out]</td><td class="paramname">device</td><td>Update with device handle on success </td></tr> <tr><td class="paramdir">[in]</td><td class="paramname">device_identifier</td><td>Device identifier, formatted as described above</td></tr> </table> </dd> </dl> <dl class="section return"><dt>Returns</dt><dd>0 on success, or value from <a class="el" href="group___r_e_t_c_o_d_e_s.html">Error codes</a> list on failure </dd></dl> </div> </div> <a class="anchor" id="gace4d5607aacba15ccd2d5361d5eb020e"></a> <div class="memitem"> <div class="memproto"> <table class="memname"> <tr> <td class="memname"><a class="el" href="libblade_r_f_8h.html#a5e3652cae8b48c1ad174f0b06bbd06d0">API_EXPORT</a> int <a class="el" href="libblade_r_f_8h.html#a66285a1fe575693f5f275b212891222e">CALL_CONV</a> bladerf_open_with_devinfo </td> <td>(</td> <td class="paramtype">struct bladerf ** </td> <td class="paramname"><em>device</em>, </td> </tr> <tr> <td class="paramkey"></td> <td></td> <td class="paramtype">struct <a class="el" href="structbladerf__devinfo.html">bladerf_devinfo</a> * </td> <td class="paramname"><em>devinfo</em> </td> </tr> <tr> <td></td> <td>)</td> <td></td><td></td> </tr> </table> </div><div class="memdoc"> <p>Opens device specified by provided <a class="el" href="structbladerf__devinfo.html">bladerf_devinfo</a> structure</p> <p>This function is generally preferred over <a class="el" href="group___f_n___i_n_i_t.html#gab341ac98615f393da9158ea59cdb6a24">bladerf_open()</a> when a device identifier string is not already provided.</p> <p>The most common uses of this function are to:</p> <ul> <li>Open a device based upon the results of <a class="el" href="group___f_n___i_n_i_t.html#ga21537e871d943798142176d9a29a5c46">bladerf_get_device_list()</a></li> <li>Open a specific device based upon its serial number</li> </ul> <p>Below is an example of how to use this function to open a device with a specific serial number:</p> <div class="fragment"><div class="line"><span class="keyword">struct </span>bladerf * open_bladerf_from_serial(<span class="keyword">const</span> <span class="keywordtype">char</span> *serial)</div> <div class="line">{</div> <div class="line"> <span class="keywordtype">int</span> status;</div> <div class="line"> <span class="keyword">struct </span>bladerf *dev;</div> <div class="line"> <span class="keyword">struct </span><a class="code" href="structbladerf__devinfo.html">bladerf_devinfo</a> info;</div> <div class="line"></div> <div class="line"> <span class="comment">/* Initialize all fields to "don't care" wildcard values.</span></div> <div class="line"><span class="comment"> *</span></div> <div class="line"><span class="comment"> * Immediately passing this to bladerf_open_with_devinfo() would cause</span></div> <div class="line"><span class="comment"> * libbladeRF to open any device on any available backend. */</span></div> <div class="line"> <a class="code" href="group___f_n___d_e_v_i_n_f_o.html#ga3a046eac7a17ac794d50fbb2e086a136">bladerf_init_devinfo</a>(&info);</div> <div class="line"></div> <div class="line"> <span class="comment">/* Specify the desired device's serial number, while leaving all other</span></div> <div class="line"><span class="comment"> * fields in the info structure wildcard values */</span></div> <div class="line"> strncpy(info.serial, serial, <a class="code" href="group___f_n___i_n_i_t.html#ga71d5667028394cdb4ec7b5b9110834c7">BLADERF_SERIAL_LENGTH</a> - 1);</div> <div class="line"> info.serial[<a class="code" href="group___f_n___i_n_i_t.html#ga71d5667028394cdb4ec7b5b9110834c7">BLADERF_SERIAL_LENGTH</a> - 1] = <span class="charliteral">'\0'</span>;</div> <div class="line"></div> <div class="line"> status = <a class="code" href="group___f_n___i_n_i_t.html#gace4d5607aacba15ccd2d5361d5eb020e">bladerf_open_with_devinfo</a>(&dev, &info);</div> <div class="line"> <span class="keywordflow">if</span> (status == <a class="code" href="group___r_e_t_c_o_d_e_s.html#gacce8c48adc27cfae9bf5958e7417ed8e">BLADERF_ERR_NODEV</a>) {</div> <div class="line"> printf(<span class="stringliteral">"No devices available with serial=%s\n"</span>, serial);</div> <div class="line"> <span class="keywordflow">return</span> NULL;</div> <div class="line"> } <span class="keywordflow">else</span> <span class="keywordflow">if</span> (status != 0) {</div> <div class="line"> fprintf(stderr, <span class="stringliteral">"Failed to open device with serial=%s (%s)\n"</span>,</div> <div class="line"> serial, <a class="code" href="group___f_n___m_i_s_c.html#ga689e0c91e6abb8b5575a929453e4dbcc">bladerf_strerror</a>(status));</div> <div class="line"> <span class="keywordflow">return</span> NULL;</div> <div class="line"> } <span class="keywordflow">else</span> {</div> <div class="line"> <span class="keywordflow">return</span> dev;</div> <div class="line"> }</div> <div class="line">}</div> </div><!-- fragment --> <dl class="params"><dt>Parameters</dt><dd> <table class="params"> <tr><td class="paramdir">[out]</td><td class="paramname">device</td><td>Update with device handle on success </td></tr> <tr><td class="paramdir">[in]</td><td class="paramname">devinfo</td><td>Device specification. If NULL, any available device will be opened.</td></tr> </table> </dd> </dl> <dl class="section return"><dt>Returns</dt><dd>0 on success, or value from <a class="el" href="group___r_e_t_c_o_d_e_s.html">Error codes</a> list on failure </dd></dl> </div> </div> </div><!-- contents --> <!-- start footer part --> <hr class="footer"/><address class="footer"><small> Generated on Tue Dec 23 2014 13:02:14 for libbladeRF by  <a href="http://www.doxygen.org/index.html"> <img class="footer" src="doxygen.png" alt="doxygen"/> </a> 1.8.6 </small></address> </body> </html>