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<div id="projectname">libbladeRF
 <span id="projectnumber">1.7.2</span>
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<div id="projectbrief">Nuand bladeRF library</div>
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<a href="#enum-members">Enumerations</a> |
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<div class="title">Corrections and calibration</div> </div>
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<a name="details" id="details"></a><h2 class="groupheader">Description</h2>
<p>This group provides routines for performing calibration and applying corrections. These functions are thread-safe.</p>
<p>The automatic DC correction used by the <code>bladeRF-cli</code> is not part of this API, but it is implemented using libbladeRF. This automatic DC calibration code is available <a href="https://github.com/Nuand/bladeRF/blob/master/host/common/src/dc_calibration.c" class="el">here</a> under an "MIT" license. </p>
<table class="memberdecls">
<tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="enum-members"></a>
Enumerations</h2></td></tr>
<tr class="memitem:ga582d27d014160afac0a1b4f27d52ae18"><td class="memItemLeft" align="right" valign="top">enum  </td><td class="memItemRight" valign="bottom"><a class="el" href="group___f_n___c_o_r_r.html#ga582d27d014160afac0a1b4f27d52ae18">bladerf_cal_module</a> { <br />
  <b>BLADERF_DC_CAL_INVALID</b> = -1,
<b>BLADERF_DC_CAL_LPF_TUNING</b>,
<b>BLADERF_DC_CAL_TX_LPF</b>,
<b>BLADERF_DC_CAL_RX_LPF</b>,
<br />
  <b>BLADERF_DC_CAL_RXVGA2</b>
<br />
}</td></tr>
<tr class="separator:ga582d27d014160afac0a1b4f27d52ae18"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:ga75dd741fde93fecb4d514a1f9a377344"><td class="memItemLeft" align="right" valign="top">enum  </td><td class="memItemRight" valign="bottom"><a class="el" href="group___f_n___c_o_r_r.html#ga75dd741fde93fecb4d514a1f9a377344">bladerf_correction</a> { <a class="el" href="group___f_n___c_o_r_r.html#gga75dd741fde93fecb4d514a1f9a377344ab3521f7a45ca144b5cdb952a7831a817">BLADERF_CORR_LMS_DCOFF_I</a>,
<a class="el" href="group___f_n___c_o_r_r.html#gga75dd741fde93fecb4d514a1f9a377344a01e06c6acfff128b218c3dd3fd22515a">BLADERF_CORR_LMS_DCOFF_Q</a>,
<a class="el" href="group___f_n___c_o_r_r.html#gga75dd741fde93fecb4d514a1f9a377344a9ea0018edb207655431cfecd20266094">BLADERF_CORR_FPGA_PHASE</a>,
<a class="el" href="group___f_n___c_o_r_r.html#gga75dd741fde93fecb4d514a1f9a377344a56af09bc061390121fab7b82c7097824">BLADERF_CORR_FPGA_GAIN</a>
}</td></tr>
<tr class="separator:ga75dd741fde93fecb4d514a1f9a377344"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:gadef45a22ea93f9502c86fe989cee6126"><td class="memItemLeft" align="right" valign="top">enum  </td><td class="memItemRight" valign="bottom"><a class="el" href="group___f_n___c_o_r_r.html#gadef45a22ea93f9502c86fe989cee6126">bladerf_vctcxo_tamer_mode</a> { <a class="el" href="group___f_n___c_o_r_r.html#ggadef45a22ea93f9502c86fe989cee6126a29d458189f7c67eb2e3070dd00375f7e">BLADERF_VCTCXO_TAMER_INVALID</a> = -1,
<a class="el" href="group___f_n___c_o_r_r.html#ggadef45a22ea93f9502c86fe989cee6126a0f756907758b63b592fac8c6dca45056">BLADERF_VCTCXO_TAMER_DISABLED</a> = 0,
<a class="el" href="group___f_n___c_o_r_r.html#ggadef45a22ea93f9502c86fe989cee6126abeb0a4a6df1990da6fa93ab6863bc263">BLADERF_VCTCXO_TAMER_1_PPS</a> = 1,
<a class="el" href="group___f_n___c_o_r_r.html#ggadef45a22ea93f9502c86fe989cee6126ac325e3daa0cafe19a8d47e51c127cedf">BLADERF_VCTCXO_TAMER_10_MHZ</a> = 2
}</td></tr>
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</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:ga25cbc4835fd5fad2a10fe124ba23fd44"><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___c_o_r_r.html#ga25cbc4835fd5fad2a10fe124ba23fd44">bladerf_set_correction</a> (struct bladerf *dev, <a class="el" href="group___f_n___m_o_d_u_l_e.html#gab12571146a3d4c5d79ac497a74b3fb5e">bladerf_module</a> module, <a class="el" href="group___f_n___c_o_r_r.html#ga75dd741fde93fecb4d514a1f9a377344">bladerf_correction</a> corr, int16_t value)</td></tr>
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<tr class="memitem:ga339a999ceb71b2d1d721a177234beecc"><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___c_o_r_r.html#ga339a999ceb71b2d1d721a177234beecc">bladerf_get_correction</a> (struct bladerf *dev, <a class="el" href="group___f_n___m_o_d_u_l_e.html#gab12571146a3d4c5d79ac497a74b3fb5e">bladerf_module</a> module, <a class="el" href="group___f_n___c_o_r_r.html#ga75dd741fde93fecb4d514a1f9a377344">bladerf_correction</a> corr, int16_t *value)</td></tr>
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<tr class="memitem:ga005df7c4f7fa6fbcb523ec96d5dc3d99"><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___c_o_r_r.html#ga005df7c4f7fa6fbcb523ec96d5dc3d99">bladerf_set_vctcxo_tamer_mode</a> (struct bladerf *dev, <a class="el" href="group___f_n___c_o_r_r.html#gadef45a22ea93f9502c86fe989cee6126">bladerf_vctcxo_tamer_mode</a> mode)</td></tr>
<tr class="separator:ga005df7c4f7fa6fbcb523ec96d5dc3d99"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:ga9440ac301f131b6c821cdd165ff3584e"><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___c_o_r_r.html#ga9440ac301f131b6c821cdd165ff3584e">bladerf_get_vctcxo_tamer_mode</a> (struct bladerf *dev, <a class="el" href="group___f_n___c_o_r_r.html#gadef45a22ea93f9502c86fe989cee6126">bladerf_vctcxo_tamer_mode</a> *mode)</td></tr>
<tr class="separator:ga9440ac301f131b6c821cdd165ff3584e"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:ga835e93ee2cad66ba1d427beeb7c4a2f7"><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___c_o_r_r.html#ga835e93ee2cad66ba1d427beeb7c4a2f7">bladerf_dac_write</a> (struct bladerf *dev, uint16_t val)</td></tr>
<tr class="separator:ga835e93ee2cad66ba1d427beeb7c4a2f7"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:gafe2c43c2c809cc24f01fbf7b9213a83d"><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___c_o_r_r.html#gafe2c43c2c809cc24f01fbf7b9213a83d">bladerf_dac_read</a> (struct bladerf *dev, uint16_t *val)</td></tr>
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<h2 class="groupheader">Enumeration Type Documentation</h2>
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<td class="memname">enum <a class="el" href="group___f_n___c_o_r_r.html#ga582d27d014160afac0a1b4f27d52ae18">bladerf_cal_module</a></td>
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<p>DC Calibration Modules </p>
<p>Definition at line <a class="el" href="libblade_r_f_8h_source.html#l01844">1844</a> of file <a class="el" href="libblade_r_f_8h_source.html">libbladeRF.h</a>.</p>
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<td class="memname">enum <a class="el" href="group___f_n___c_o_r_r.html#ga75dd741fde93fecb4d514a1f9a377344">bladerf_correction</a></td>
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<p>Correction parameter selection</p>
<p>These values specify the correction parameter to modify or query when calling <a class="el" href="group___f_n___c_o_r_r.html#ga25cbc4835fd5fad2a10fe124ba23fd44">bladerf_set_correction()</a> or <a class="el" href="group___f_n___c_o_r_r.html#ga339a999ceb71b2d1d721a177234beecc">bladerf_get_correction()</a>. Note that the meaning of the <code>value</code> parameter to these functions depends upon the correction parameter. </p>
<table class="fieldtable">
<tr><th colspan="2">Enumerator</th></tr><tr><td class="fieldname"><a class="anchor" id="gga75dd741fde93fecb4d514a1f9a377344ab3521f7a45ca144b5cdb952a7831a817"></a>BLADERF_CORR_LMS_DCOFF_I </td><td class="fielddoc">
<p>Adjusts the in-phase DC offset via controls provided by the LMS6002D front end. Valid values are [-2048, 2048], which are scaled to the available control bits in the LMS device. </p>
</td></tr>
<tr><td class="fieldname"><a class="anchor" id="gga75dd741fde93fecb4d514a1f9a377344a01e06c6acfff128b218c3dd3fd22515a"></a>BLADERF_CORR_LMS_DCOFF_Q </td><td class="fielddoc">
<p>Adjusts the quadrature DC offset via controls provided the LMS6002D front end. Valid values are [-2048, 2048], which are scaled to the available control bits. </p>
</td></tr>
<tr><td class="fieldname"><a class="anchor" id="gga75dd741fde93fecb4d514a1f9a377344a9ea0018edb207655431cfecd20266094"></a>BLADERF_CORR_FPGA_PHASE </td><td class="fielddoc">
<p>Adjusts FPGA-based phase correction of [-10, 10] degrees, via a provided count value of [-4096, 4096]. </p>
</td></tr>
<tr><td class="fieldname"><a class="anchor" id="gga75dd741fde93fecb4d514a1f9a377344a56af09bc061390121fab7b82c7097824"></a>BLADERF_CORR_FPGA_GAIN </td><td class="fielddoc">
<p>Adjusts FPGA-based gain correction value in [-1.0, 1.0], via provided values in the range of [-4096, 4096]. </p>
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<p>Definition at line <a class="el" href="libblade_r_f_8h_source.html#l01861">1861</a> of file <a class="el" href="libblade_r_f_8h_source.html">libbladeRF.h</a>.</p>
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<td class="memname">enum <a class="el" href="group___f_n___c_o_r_r.html#gadef45a22ea93f9502c86fe989cee6126">bladerf_vctcxo_tamer_mode</a></td>
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<p>VCTCXO Tamer mode selection</p>
<p>These values control the use of header J71 pin 1 for taming the on-board VCTCXO to improve or sustain frequency accuracy.</p>
<p>When supplying input into the VCTCXO tamer, a 1.8V signal must be provided.</p>
<p><b> IMPORTANT: Exceeding 1.8V on J71-1 can damage the associated FPGA I/O bank. Ensure that you provide only a 1.8V signal! </b> </p>
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<tr><th colspan="2">Enumerator</th></tr><tr><td class="fieldname"><a class="anchor" id="ggadef45a22ea93f9502c86fe989cee6126a29d458189f7c67eb2e3070dd00375f7e"></a>BLADERF_VCTCXO_TAMER_INVALID </td><td class="fielddoc">
<p>Denotes an invalid selection or state </p>
</td></tr>
<tr><td class="fieldname"><a class="anchor" id="ggadef45a22ea93f9502c86fe989cee6126a0f756907758b63b592fac8c6dca45056"></a>BLADERF_VCTCXO_TAMER_DISABLED </td><td class="fielddoc">
<p>Do not attempt to tame the VCTCXO with an input source. </p>
</td></tr>
<tr><td class="fieldname"><a class="anchor" id="ggadef45a22ea93f9502c86fe989cee6126abeb0a4a6df1990da6fa93ab6863bc263"></a>BLADERF_VCTCXO_TAMER_1_PPS </td><td class="fielddoc">
<p>Use a 1 pps input source to tame the VCTCXO. </p>
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<tr><td class="fieldname"><a class="anchor" id="ggadef45a22ea93f9502c86fe989cee6126ac325e3daa0cafe19a8d47e51c127cedf"></a>BLADERF_VCTCXO_TAMER_10_MHZ </td><td class="fielddoc">
<p>Use a 10 MHz input source to tame the VCTCXO. </p>
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<p>Definition at line <a class="el" href="libblade_r_f_8h_source.html#l01902">1902</a> of file <a class="el" href="libblade_r_f_8h_source.html">libbladeRF.h</a>.</p>
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<h2 class="groupheader">Function Documentation</h2>
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<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_dac_read </td>
<td>(</td>
<td class="paramtype">struct bladerf * </td>
<td class="paramname"><em>dev</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">uint16_t * </td>
<td class="paramname"><em>val</em> </td>
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<td>)</td>
<td></td><td></td>
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<p>Read value from VCTCXO trim DAC.</p>
<p>This is similar to <a class="el" href="group___f_n___i_n_f_o.html#gad18cbc7b07af76351f622fb189ecd68e">bladerf_get_vctcxo_trim()</a>, except that it returns the current trim DAC value, as opposed to the calibration value read from flash.</p>
<p>Use this if you are trying to query the value after having previously made calls to <a class="el" href="group___f_n___c_o_r_r.html#ga835e93ee2cad66ba1d427beeb7c4a2f7">bladerf_dac_write()</a>.</p>
<dl class="params"><dt>Parameters</dt><dd>
<table class="params">
<tr><td class="paramdir">[in]</td><td class="paramname">dev</td><td>Device handle </td></tr>
<tr><td class="paramdir">[out]</td><td class="paramname">val</td><td>Value to read from VCTCXO trim DAC</td></tr>
</table>
</dd>
</dl>
<dl class="section return"><dt>Returns</dt><dd>0 on success, value from <a class="el" href="group___r_e_t_c_o_d_e_s.html">Error codes</a> list on failure </dd></dl>
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<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_dac_write </td>
<td>(</td>
<td class="paramtype">struct bladerf * </td>
<td class="paramname"><em>dev</em>, </td>
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<p>Write value to VCTCXO trim DAC.</p>
<p>This should not be used when the VCTCXO tamer is enabled.</p>
<dl class="params"><dt>Parameters</dt><dd>
<table class="params">
<tr><td class="paramname">dev</td><td>Device handle </td></tr>
<tr><td class="paramname">val</td><td>Value to write to VCTCXO trim DAC</td></tr>
</table>
</dd>
</dl>
<dl class="section return"><dt>Returns</dt><dd>0 on success, value from <a class="el" href="group___r_e_t_c_o_d_e_s.html">Error codes</a> list on failure </dd></dl>
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</div>
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<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_correction </td>
<td>(</td>
<td class="paramtype">struct bladerf * </td>
<td class="paramname"><em>dev</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype"><a class="el" href="group___f_n___m_o_d_u_l_e.html#gab12571146a3d4c5d79ac497a74b3fb5e">bladerf_module</a> </td>
<td class="paramname"><em>module</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype"><a class="el" href="group___f_n___c_o_r_r.html#ga75dd741fde93fecb4d514a1f9a377344">bladerf_correction</a> </td>
<td class="paramname"><em>corr</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">int16_t * </td>
<td class="paramname"><em>value</em> </td>
</tr>
<tr>
<td></td>
<td>)</td>
<td></td><td></td>
</tr>
</table>
</div><div class="memdoc">
<p>Obtain the current value of the specified configuration parameter</p>
<dl class="params"><dt>Parameters</dt><dd>
<table class="params">
<tr><td class="paramdir">[in]</td><td class="paramname">dev</td><td>Device handle </td></tr>
<tr><td class="paramdir">[in]</td><td class="paramname">module</td><td>Module to retrieve correction information from </td></tr>
<tr><td class="paramdir">[in]</td><td class="paramname">corr</td><td>Correction type </td></tr>
<tr><td class="paramdir">[out]</td><td class="paramname">value</td><td>Current value</td></tr>
</table>
</dd>
</dl>
<dl class="section return"><dt>Returns</dt><dd>0 on success, 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>
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<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_vctcxo_tamer_mode </td>
<td>(</td>
<td class="paramtype">struct bladerf * </td>
<td class="paramname"><em>dev</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype"><a class="el" href="group___f_n___c_o_r_r.html#gadef45a22ea93f9502c86fe989cee6126">bladerf_vctcxo_tamer_mode</a> * </td>
<td class="paramname"><em>mode</em> </td>
</tr>
<tr>
<td></td>
<td>)</td>
<td></td><td></td>
</tr>
</table>
</div><div class="memdoc">
<p>Get the current VCTCXO tamer mode</p>
<dl class="params"><dt>Parameters</dt><dd>
<table class="params">
<tr><td class="paramdir">[in]</td><td class="paramname">dev</td><td>Device handle </td></tr>
<tr><td class="paramdir">[out]</td><td class="paramname">mode</td><td>Current VCTCXO taming mode or BLADERF_VCTCXO_TAMER_INVALID if a failure occurs.</td></tr>
</table>
</dd>
</dl>
<dl class="section return"><dt>Returns</dt><dd>0 on success, 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>
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<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_set_correction </td>
<td>(</td>
<td class="paramtype">struct bladerf * </td>
<td class="paramname"><em>dev</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype"><a class="el" href="group___f_n___m_o_d_u_l_e.html#gab12571146a3d4c5d79ac497a74b3fb5e">bladerf_module</a> </td>
<td class="paramname"><em>module</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype"><a class="el" href="group___f_n___c_o_r_r.html#ga75dd741fde93fecb4d514a1f9a377344">bladerf_correction</a> </td>
<td class="paramname"><em>corr</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">int16_t </td>
<td class="paramname"><em>value</em> </td>
</tr>
<tr>
<td></td>
<td>)</td>
<td></td><td></td>
</tr>
</table>
</div><div class="memdoc">
<p>Set the value of the specified configuration parameter</p>
<p>See the <a class="el" href="group___f_n___c_o_r_r.html#ga75dd741fde93fecb4d514a1f9a377344">bladerf_correction</a> description for the valid ranges of the <code>value</code> parameter.</p>
<dl class="params"><dt>Parameters</dt><dd>
<table class="params">
<tr><td class="paramname">dev</td><td>Device handle </td></tr>
<tr><td class="paramname">module</td><td>Module to apply correction to </td></tr>
<tr><td class="paramname">corr</td><td>Correction type </td></tr>
<tr><td class="paramname">value</td><td>Value to apply</td></tr>
</table>
</dd>
</dl>
<dl class="section return"><dt>Returns</dt><dd>0 on success, 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="ga005df7c4f7fa6fbcb523ec96d5dc3d99"></a>
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<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_set_vctcxo_tamer_mode </td>
<td>(</td>
<td class="paramtype">struct bladerf * </td>
<td class="paramname"><em>dev</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype"><a class="el" href="group___f_n___c_o_r_r.html#gadef45a22ea93f9502c86fe989cee6126">bladerf_vctcxo_tamer_mode</a> </td>
<td class="paramname"><em>mode</em> </td>
</tr>
<tr>
<td></td>
<td>)</td>
<td></td><td></td>
</tr>
</table>
</div><div class="memdoc">
<p>Set the VCTCXO tamer mode.</p>
<dl class="params"><dt>Parameters</dt><dd>
<table class="params">
<tr><td class="paramname">dev</td><td>Device handle </td></tr>
<tr><td class="paramname">mode</td><td>VCTCXO taming mode</td></tr>
</table>
</dd>
</dl>
<dl class="section return"><dt>Returns</dt><dd>0 on success, value from <a class="el" href="group___r_e_t_c_o_d_e_s.html">Error codes</a> list on failure </dd></dl>
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