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Solar-Panel/html/modbus_8c.html
Rémi Heredero 719fdc1c14 doxygen - main.c
2023-03-15 12:55:57 +01:00

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<div class="textblock"><code>#include &quot;<a class="el" href="modbus_8h_source.html">modbus.h</a>&quot;</code><br />
<code>#include &quot;<a class="el" href="crc_8h_source.html">crc.h</a>&quot;</code><br />
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<tr class="memdesc:a72629c87e1b18706ed17ee3dc768d5d1"><td class="mdescLeft">&#160;</td><td class="mdescRight">Modbus function for read holding register = 03. <br /></td></tr>
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<tr class="memitem:ae193fb8e7fb5dafe59b40642c13b4b42"><td class="memItemLeft" align="right" valign="top">#define&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="modbus_8c.html#ae193fb8e7fb5dafe59b40642c13b4b42">WRITE_SINGLE_REGISTER</a>&#160;&#160;&#160;0x06</td></tr>
<tr class="memdesc:ae193fb8e7fb5dafe59b40642c13b4b42"><td class="mdescLeft">&#160;</td><td class="mdescRight">Modbus function for write a single register = 06. <br /></td></tr>
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Variables</h2></td></tr>
<tr class="memitem:a32ee4d57aa4ff7f7fce07fbe100dc0c2"><td class="memItemLeft" align="right" valign="top">uint8_t&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="modbus_8c.html#a32ee4d57aa4ff7f7fce07fbe100dc0c2">modbusAddress</a></td></tr>
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<tr class="memitem:a2aac17f17a0fbffad12e7ca46ed8ae0f"><td class="memItemLeft" align="right" valign="top">uint16_t&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="modbus_8c.html#a2aac17f17a0fbffad12e7ca46ed8ae0f">holding_registers</a> [2]</td></tr>
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<tr class="memitem:a95463de2dabcd8671528bb72c7139e46"><td class="memItemLeft" align="right" valign="top">uint8_t&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="modbus_8c.html#a95463de2dabcd8671528bb72c7139e46">rx_buf</a> [256]</td></tr>
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<tr class="memitem:a579f15c7d6aeee8d684dce40e205c54b"><td class="memItemLeft" align="right" valign="top">uint8_t&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="modbus_8c.html#a579f15c7d6aeee8d684dce40e205c54b">tx_buf</a> [256]</td></tr>
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<tr class="memitem:a9acb7baf86b62d19a199e672316e6294"><td class="memItemLeft" align="right" valign="top">uint8_t&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="modbus_8c.html#a9acb7baf86b62d19a199e672316e6294">recPtr</a> = 0</td></tr>
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<h2 class="groupheader">Macro Definition Documentation</h2>
<a id="ad36357dad4ceb8b0ecb0f5f53eee1502" name="ad36357dad4ceb8b0ecb0f5f53eee1502"></a>
<h2 class="memtitle"><span class="permalink"><a href="#ad36357dad4ceb8b0ecb0f5f53eee1502">&#9670;&#160;</a></span>ILLEGAL_DATA_ADDRESS</h2>
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<td class="memname">#define ILLEGAL_DATA_ADDRESS&#160;&#160;&#160;2</td>
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<p class="definition">Definition at line <a class="el" href="modbus_8c_source.html#l00019">19</a> of file <a class="el" href="modbus_8c_source.html">modbus.c</a>.</p>
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<h2 class="memtitle"><span class="permalink"><a href="#a2a9c40f66b96eb93a9dbb17d1f79443d">&#9670;&#160;</a></span>ILLEGAL_DATA_VALUE</h2>
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<td class="memname">#define ILLEGAL_DATA_VALUE&#160;&#160;&#160;3</td>
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<p class="definition">Definition at line <a class="el" href="modbus_8c_source.html#l00020">20</a> of file <a class="el" href="modbus_8c_source.html">modbus.c</a>.</p>
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<h2 class="memtitle"><span class="permalink"><a href="#a262addcd07ad5759dbeca3efe5d808d3">&#9670;&#160;</a></span>ILLEGAL_FUNCTION</h2>
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<td class="memname">#define ILLEGAL_FUNCTION&#160;&#160;&#160;1</td>
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<p class="definition">Definition at line <a class="el" href="modbus_8c_source.html#l00018">18</a> of file <a class="el" href="modbus_8c_source.html">modbus.c</a>.</p>
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<h2 class="memtitle"><span class="permalink"><a href="#a72629c87e1b18706ed17ee3dc768d5d1">&#9670;&#160;</a></span>READ_HOLDING_REGISTERS</h2>
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<td class="memname">#define READ_HOLDING_REGISTERS&#160;&#160;&#160;0x03</td>
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<p>Modbus function for read holding register = 03. </p>
<p class="definition">Definition at line <a class="el" href="modbus_8c_source.html#l00008">8</a> of file <a class="el" href="modbus_8c_source.html">modbus.c</a>.</p>
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<h2 class="memtitle"><span class="permalink"><a href="#a860e48854b8e16a310dd29fe6e069561">&#9670;&#160;</a></span>READ_INPUT_REGISTERS</h2>
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<td class="memname">#define READ_INPUT_REGISTERS&#160;&#160;&#160;0x04</td>
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<p>Modbus function for read input register = 04. </p>
<p class="definition">Definition at line <a class="el" href="modbus_8c_source.html#l00007">7</a> of file <a class="el" href="modbus_8c_source.html">modbus.c</a>.</p>
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<h2 class="memtitle"><span class="permalink"><a href="#a92cb3f97527a2fbca9881dc0c14d98eb">&#9670;&#160;</a></span>SLAVE_DEVICE_FAILURE</h2>
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<td class="memname">#define SLAVE_DEVICE_FAILURE&#160;&#160;&#160;4</td>
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<p class="definition">Definition at line <a class="el" href="modbus_8c_source.html#l00021">21</a> of file <a class="el" href="modbus_8c_source.html">modbus.c</a>.</p>
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<h2 class="memtitle"><span class="permalink"><a href="#ae193fb8e7fb5dafe59b40642c13b4b42">&#9670;&#160;</a></span>WRITE_SINGLE_REGISTER</h2>
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<td class="memname">#define WRITE_SINGLE_REGISTER&#160;&#160;&#160;0x06</td>
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<p>Modbus function for write a single register = 06. </p>
<p class="definition">Definition at line <a class="el" href="modbus_8c_source.html#l00009">9</a> of file <a class="el" href="modbus_8c_source.html">modbus.c</a>.</p>
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<h2 class="groupheader">Function Documentation</h2>
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<h2 class="memtitle"><span class="permalink"><a href="#a104c0f284978c4cc8d34d36677a97e72">&#9670;&#160;</a></span>measure_voltage()</h2>
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<td class="memname">uint16_t measure_voltage </td>
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<p>Measure the voltage on the channel for the current. This function is expected to do some filtering.</p>
<dl class="section return"><dt>Returns</dt><dd>The offset </dd></dl>
<p class="definition">Definition at line <a class="el" href="measure_8c_source.html#l00037">37</a> of file <a class="el" href="measure_8c_source.html">measure.c</a>.</p>
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<h2 class="memtitle"><span class="permalink"><a href="#a6ae3279c3dcad4aa532eb07689f242e1">&#9670;&#160;</a></span>modbus_analyse_and_answer()</h2>
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<td class="memname">uint8_t modbus_analyse_and_answer </td>
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<p>Analyses the received frame and answer to server</p>
<dl class="section return"><dt>Returns</dt><dd>an error code if frame not valid </dd></dl>
<p class="definition">Definition at line <a class="el" href="modbus_8c_source.html#l00040">40</a> of file <a class="el" href="modbus_8c_source.html">modbus.c</a>.</p>
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<h2 class="memtitle"><span class="permalink"><a href="#aacb32a5aea357fae4e7fde574f95bfb9">&#9670;&#160;</a></span>modbus_char_recvd()</h2>
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<td class="memname">void modbus_char_recvd </td>
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<p>This function will be called every time a character has been received on the Modbus serial port. It is called from the interrupt hander.</p>
<dl class="params"><dt>Parameters</dt><dd>
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<tr><td class="paramname">c</td><td>: the received char // removed ! </td></tr>
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<dl class="section see"><dt>See also</dt><dd>interrupts.c. </dd></dl>
<p class="definition">Definition at line <a class="el" href="modbus_8c_source.html#l00085">85</a> of file <a class="el" href="modbus_8c_source.html">modbus.c</a>.</p>
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<h2 class="memtitle"><span class="permalink"><a href="#a67d9839b8e221bcb53bbbb2ba59ff618">&#9670;&#160;</a></span>modbus_init()</h2>
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<td class="memname">void modbus_init </td>
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<td class="paramname"><em>address</em></td><td>)</td>
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<p>Initializes this Modbus library.</p>
<p>Initialize pins, timer, serial port and variables. Interrupts MUST be initialized for the timer and the serial port.</p>
<dl class="params"><dt>Parameters</dt><dd>
<table class="params">
<tr><td class="paramname">address</td><td>: the Modbus address of this device</td></tr>
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</dd>
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<dl class="section see"><dt>See also</dt><dd><a class="el" href="modbus_8h.html#aacb32a5aea357fae4e7fde574f95bfb9">modbus_char_recvd</a> </dd>
<dd>
<a class="el" href="modbus_8h.html#add3e4a272cc65130d4e9f9c53caa61db">modbus_timer</a> </dd>
<dd>
interrupts.c </dd></dl>
<p class="definition">Definition at line <a class="el" href="modbus_8c_source.html#l00108">108</a> of file <a class="el" href="modbus_8c_source.html">modbus.c</a>.</p>
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<h2 class="memtitle"><span class="permalink"><a href="#af1b0553ef81d80e21233e23c3253ae61">&#9670;&#160;</a></span>modbus_send()</h2>
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<td class="memname">void modbus_send </td>
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<td class="paramtype">uint8_t&#160;</td>
<td class="paramname"><em>length</em></td><td>)</td>
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<p>Send the Modbus frame on tx_buf with CRC added</p>
<dl class="params"><dt>Parameters</dt><dd>
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<tr><td class="paramname">length</td><td>: length of the frame without the CRC </td></tr>
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<p class="definition">Definition at line <a class="el" href="modbus_8c_source.html#l00092">92</a> of file <a class="el" href="modbus_8c_source.html">modbus.c</a>.</p>
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<h2 class="memtitle"><span class="permalink"><a href="#add3e4a272cc65130d4e9f9c53caa61db">&#9670;&#160;</a></span>modbus_timer()</h2>
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<td class="memname">void modbus_timer </td>
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<p>Modbus timer finished. This function is called by the interrupt handler when a MODBUS frame is finished. It must analyse the received packet and reply if required.</p>
<dl class="section see"><dt>See also</dt><dd>interrupts.c </dd></dl>
<p class="definition">Definition at line <a class="el" href="modbus_8c_source.html#l00033">33</a> of file <a class="el" href="modbus_8c_source.html">modbus.c</a>.</p>
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<h2 class="groupheader">Variable Documentation</h2>
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<h2 class="memtitle"><span class="permalink"><a href="#a2aac17f17a0fbffad12e7ca46ed8ae0f">&#9670;&#160;</a></span>holding_registers</h2>
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<td class="memname">uint16_t holding_registers[2]</td>
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<p class="definition">Definition at line <a class="el" href="modbus_8c_source.html#l00014">14</a> of file <a class="el" href="modbus_8c_source.html">modbus.c</a>.</p>
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<h2 class="memtitle"><span class="permalink"><a href="#af231936e7cd39b49156a2a178f3d54eb">&#9670;&#160;</a></span>input_registers</h2>
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<td class="memname">uint16_t input_registers[2]</td>
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<p class="definition">Definition at line <a class="el" href="modbus_8c_source.html#l00013">13</a> of file <a class="el" href="modbus_8c_source.html">modbus.c</a>.</p>
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<h2 class="memtitle"><span class="permalink"><a href="#a32ee4d57aa4ff7f7fce07fbe100dc0c2">&#9670;&#160;</a></span>modbusAddress</h2>
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<td class="memname">uint8_t modbusAddress</td>
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<p class="definition">Definition at line <a class="el" href="modbus_8c_source.html#l00012">12</a> of file <a class="el" href="modbus_8c_source.html">modbus.c</a>.</p>
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<h2 class="memtitle"><span class="permalink"><a href="#a9acb7baf86b62d19a199e672316e6294">&#9670;&#160;</a></span>recPtr</h2>
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<td class="memname">uint8_t recPtr = 0</td>
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<p class="definition">Definition at line <a class="el" href="modbus_8c_source.html#l00031">31</a> of file <a class="el" href="modbus_8c_source.html">modbus.c</a>.</p>
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<h2 class="memtitle"><span class="permalink"><a href="#a95463de2dabcd8671528bb72c7139e46">&#9670;&#160;</a></span>rx_buf</h2>
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<td class="memname">uint8_t rx_buf[256]</td>
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<p>Buffers for serial receive and send operations which are more than one byte long </p>
<p class="definition">Definition at line <a class="el" href="modbus_8c_source.html#l00027">27</a> of file <a class="el" href="modbus_8c_source.html">modbus.c</a>.</p>
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<h2 class="memtitle"><span class="permalink"><a href="#a579f15c7d6aeee8d684dce40e205c54b">&#9670;&#160;</a></span>tx_buf</h2>
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<td class="memname">uint8_t tx_buf[256]</td>
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<p class="definition">Definition at line <a class="el" href="modbus_8c_source.html#l00028">28</a> of file <a class="el" href="modbus_8c_source.html">modbus.c</a>.</p>
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