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<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "https://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
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<div id="projectname">miniFOC<span id="projectnumber"> 1.0.3</span>
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<div id="projectbrief">This open-source project aims to accomplish a FOC(Field Oriented Control) scheme that is operatable with minimum costs in China.</div>
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<li class="navelem"><a class="el" href="dir_99d3723365464dd656f512988bb8dbbd.html">algorithm</a></li> </ul>
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<a href="foc_8h.html">Go to the documentation of this file.</a><div class="fragment"><div class="line"><a id="l00001" name="l00001"></a><span class="lineno"> 1</span><span class="comment">/**************************************************************************/</span></div>
<div class="line"><a id="l00010" name="l00010"></a><span class="lineno"> 10</span><span class="preprocessor">#ifndef MINIFOC_ALGORITHM_FOC_H_</span></div>
<div class="line"><a id="l00011" name="l00011"></a><span class="lineno"> 11</span><span class="preprocessor">#define MINIFOC_ALGORITHM_FOC_H_</span></div>
<div class="line"><a id="l00012" name="l00012"></a><span class="lineno"> 12</span> </div>
<div class="line"><a id="l00017" name="l00017"></a><span class="lineno"><a class="line" href="struct_f_o_c___structure__t.html"> 17</a></span><span class="keyword">typedef</span> <span class="keyword">struct </span>{</div>
<div class="line"><a id="l00018" name="l00018"></a><span class="lineno"><a class="line" href="struct_f_o_c___structure__t.html#af832998676bd09b4198a7a7274072766"> 18</a></span> <span class="keywordtype">float</span> <a class="code hl_variable" href="struct_f_o_c___structure__t.html#af832998676bd09b4198a7a7274072766">mechanical_angle</a>; </div>
<div class="line"><a id="l00019" name="l00019"></a><span class="lineno"><a class="line" href="struct_f_o_c___structure__t.html#af32f899f7a231c9df64a594c7b13bfa4"> 19</a></span> <span class="keywordtype">float</span> <a class="code hl_variable" href="struct_f_o_c___structure__t.html#af32f899f7a231c9df64a594c7b13bfa4">rotate_speed</a>; </div>
<div class="line"><a id="l00020" name="l00020"></a><span class="lineno"><a class="line" href="struct_f_o_c___structure__t.html#a483644b553c2be32ffbaf641f23c6cea"> 20</a></span> <span class="keywordtype">float</span> <a class="code hl_variable" href="struct_f_o_c___structure__t.html#a483644b553c2be32ffbaf641f23c6cea">user_expect</a>; </div>
<div class="line"><a id="l00021" name="l00021"></a><span class="lineno"> 21</span>} <a class="code hl_struct" href="struct_f_o_c___structure__t.html">FOC_Structure_t</a>;</div>
<div class="line"><a id="l00022" name="l00022"></a><span class="lineno"> 22</span> </div>
<div class="line"><a id="l00024" name="l00024"></a><span class="lineno"><a class="line" href="foc_8h.html#a56e6126a0ee9ac8857f6eb4cc0e720d5"> 24</a></span><span class="preprocessor">#define MECHANGLE_COEFFICIENT (6.2831854f / ENCODER_RESO)</span></div>
<div class="line"><a id="l00026" name="l00026"></a><span class="lineno"><a class="line" href="foc_8h.html#a5446f29b725bafeb256b404b8b8107d1"> 26</a></span><span class="preprocessor">#define ELECANGLE_COEFFICIENT ((6.2831854f * POLAR_PAIRS) / ENCODER_RESO)</span></div>
<div class="line"><a id="l00028" name="l00028"></a><span class="lineno"><a class="line" href="foc_8h.html#a2ce50cab9f20bc664e4888ffc07e656e"> 28</a></span><span class="preprocessor">#define SPEED_COEFFICIENT ((6.2831852f * TIM13_FREQUENCY) / ENCODER_RESO)</span></div>
<div class="line"><a id="l00029" name="l00029"></a><span class="lineno"> 29</span> </div>
<div class="line"><a id="l00030" name="l00030"></a><span class="lineno"> 30</span><span class="keyword">extern</span> <span class="keywordtype">unsigned</span> <span class="keywordtype">char</span> <a class="code hl_variable" href="foc_8h.html#a418bbe3f3019eaefea9f904a87cf0a05">foc_parameter_available_flag</a>;</div>
<div class="line"><a id="l00031" name="l00031"></a><span class="lineno"> 31</span><span class="keyword">extern</span> <span class="keyword">volatile</span> <span class="keywordtype">unsigned</span> <span class="keywordtype">char</span> <a class="code hl_variable" href="foc_8h.html#ad335385ea3909d9485703d97735b34ca">phase_sequence</a>;</div>
<div class="line"><a id="l00032" name="l00032"></a><span class="lineno"> 32</span><span class="keyword">extern</span> <span class="keyword">volatile</span> <a class="code hl_struct" href="struct_f_o_c___structure__t.html">FOC_Structure_t</a> <a class="code hl_variable" href="foc_8h.html#a6c9e1e8356380a4129a3a59d52ee1ec4">FOC_Struct</a>;</div>
<div class="line"><a id="l00033" name="l00033"></a><span class="lineno"> 33</span><span class="keywordtype">void</span> <a class="code hl_function" href="foc_8h.html#a2ee2669a464e17cfaab4e084e78c4fe1">foc_calculate_dutycycle</a>(<span class="keywordtype">float</span> elect_angle, <span class="keywordtype">float</span> d, <span class="keywordtype">float</span> q, <span class="keywordtype">float</span> *u, <span class="keywordtype">float</span> *v, <span class="keywordtype">float</span> *w);</div>
<div class="line"><a id="l00034" name="l00034"></a><span class="lineno"> 34</span><span class="keywordtype">void</span> <a class="code hl_function" href="foc_8h.html#a85fbd426ff2859593ed2b1ecd4a35d4b">foc_calibrate_phase</a>(<span class="keywordtype">void</span>);</div>
<div class="line"><a id="l00035" name="l00035"></a><span class="lineno"> 35</span> </div>
<div class="line"><a id="l00036" name="l00036"></a><span class="lineno"> 36</span><span class="preprocessor">#endif </span><span class="comment">//MINIFOC_ALGORITHM_FOC_H_</span></div>
<div class="ttc" id="afoc_8h_html_a2ee2669a464e17cfaab4e084e78c4fe1"><div class="ttname"><a href="foc_8h.html#a2ee2669a464e17cfaab4e084e78c4fe1">foc_calculate_dutycycle</a></div><div class="ttdeci">void foc_calculate_dutycycle(float elect_angle, float d, float q, float *u, float *v, float *w)</div><div class="ttdoc">calculate the corresponding three-phase PWM duty cycle under the current electrical angle</div><div class="ttdef"><b>Definition:</b> <a href="foc_8c_source.html#l00099">foc.c:99</a></div></div>
<div class="ttc" id="afoc_8h_html_a418bbe3f3019eaefea9f904a87cf0a05"><div class="ttname"><a href="foc_8h.html#a418bbe3f3019eaefea9f904a87cf0a05">foc_parameter_available_flag</a></div><div class="ttdeci">unsigned char foc_parameter_available_flag</div><div class="ttdoc">flag variable for FOC parameter availability</div><div class="ttdef"><b>Definition:</b> <a href="foc_8c_source.html#l00028">foc.c:28</a></div></div>
<div class="ttc" id="afoc_8h_html_a6c9e1e8356380a4129a3a59d52ee1ec4"><div class="ttname"><a href="foc_8h.html#a6c9e1e8356380a4129a3a59d52ee1ec4">FOC_Struct</a></div><div class="ttdeci">volatile FOC_Structure_t FOC_Struct</div><div class="ttdoc">FOC handler.</div><div class="ttdef"><b>Definition:</b> <a href="foc_8c_source.html#l00020">foc.c:20</a></div></div>
<div class="ttc" id="afoc_8h_html_a85fbd426ff2859593ed2b1ecd4a35d4b"><div class="ttname"><a href="foc_8h.html#a85fbd426ff2859593ed2b1ecd4a35d4b">foc_calibrate_phase</a></div><div class="ttdeci">void foc_calibrate_phase(void)</div><div class="ttdoc">automatic phase sequence detection and correction</div><div class="ttdef"><b>Definition:</b> <a href="foc_8c_source.html#l00033">foc.c:33</a></div></div>
<div class="ttc" id="afoc_8h_html_ad335385ea3909d9485703d97735b34ca"><div class="ttname"><a href="foc_8h.html#ad335385ea3909d9485703d97735b34ca">phase_sequence</a></div><div class="ttdeci">volatile unsigned char phase_sequence</div><div class="ttdoc">motor phase sequence flag variable</div><div class="ttdef"><b>Definition:</b> <a href="foc_8c_source.html#l00024">foc.c:24</a></div></div>
<div class="ttc" id="astruct_f_o_c___structure__t_html"><div class="ttname"><a href="struct_f_o_c___structure__t.html">FOC_Structure_t</a></div><div class="ttdoc">structure of FOC algorithm</div><div class="ttdef"><b>Definition:</b> <a href="foc_8h_source.html#l00017">foc.h:17</a></div></div>
<div class="ttc" id="astruct_f_o_c___structure__t_html_a483644b553c2be32ffbaf641f23c6cea"><div class="ttname"><a href="struct_f_o_c___structure__t.html#a483644b553c2be32ffbaf641f23c6cea">FOC_Structure_t::user_expect</a></div><div class="ttdeci">float user_expect</div><div class="ttdoc">user expect value of miniFOC</div><div class="ttdef"><b>Definition:</b> <a href="foc_8h_source.html#l00020">foc.h:20</a></div></div>
<div class="ttc" id="astruct_f_o_c___structure__t_html_af32f899f7a231c9df64a594c7b13bfa4"><div class="ttname"><a href="struct_f_o_c___structure__t.html#af32f899f7a231c9df64a594c7b13bfa4">FOC_Structure_t::rotate_speed</a></div><div class="ttdeci">float rotate_speed</div><div class="ttdoc">motor rotate speed calculate from timer</div><div class="ttdef"><b>Definition:</b> <a href="foc_8h_source.html#l00019">foc.h:19</a></div></div>
<div class="ttc" id="astruct_f_o_c___structure__t_html_af832998676bd09b4198a7a7274072766"><div class="ttname"><a href="struct_f_o_c___structure__t.html#af832998676bd09b4198a7a7274072766">FOC_Structure_t::mechanical_angle</a></div><div class="ttdeci">float mechanical_angle</div><div class="ttdoc">mechanical angle read form encoder</div><div class="ttdef"><b>Definition:</b> <a href="foc_8h_source.html#l00018">foc.h:18</a></div></div>
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