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 <span id="projectnumber">2.0</span>
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<div class="textblock"><code>#include "lwip/apps/mqtt_opts.h"</code><br />
<code>#include "lwip/err.h"</code><br />
<code>#include "lwip/ip_addr.h"</code><br />
</div><div class="textblock"><div class="dynheader">
Include dependency graph for mqtt.h:</div>
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<p><a href="../../d7/d75/mqtt_8h_source.html">Go to the source code of this file.</a></p>
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Data 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="../../d5/df9/structmqtt__client__t.html">mqtt_client_t</a></td></tr>
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<tr class="memitem:"><td class="memItemLeft" align="right" valign="top">struct  </td><td class="memItemRight" valign="bottom"><a class="el" href="../../d0/d91/structmqtt__connect__client__info__t.html">mqtt_connect_client_info_t</a></td></tr>
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<tr class="memitem:"><td class="memItemLeft" align="right" valign="top">struct  </td><td class="memItemRight" valign="bottom"><a class="el" href="../../d1/de0/structmqtt__request__t.html">mqtt_request_t</a></td></tr>
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<tr class="memitem:"><td class="memItemLeft" align="right" valign="top">struct  </td><td class="memItemRight" valign="bottom"><a class="el" href="../../db/d52/structmqtt__ringbuf__t.html">mqtt_ringbuf_t</a></td></tr>
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Macros</h2></td></tr>
<tr class="memitem:aa8632baff6bbb5004385998918f1e6bd"><td class="memItemLeft" align="right" valign="top">#define </td><td class="memItemRight" valign="bottom"><a class="el" href="../../d7/d75/mqtt_8h.html#aa8632baff6bbb5004385998918f1e6bd">MQTT_PORT</a>   1883</td></tr>
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<tr class="memitem:a83d6a6d811b201a74d793bc1b5d4e029"><td class="memItemLeft" align="right" valign="top">#define </td><td class="memItemRight" valign="bottom"><a class="el" href="../../d7/d75/mqtt_8h.html#a83d6a6d811b201a74d793bc1b5d4e029">mqtt_subscribe</a>(client, topic, qos, cb, arg)   <a class="el" href="../../d7/d75/mqtt_8h.html#afdb39d4a9758f98c02451aaa9a9b3103">mqtt_sub_unsub</a>(client, topic, qos, cb, arg, 1)</td></tr>
<tr class="separator:a83d6a6d811b201a74d793bc1b5d4e029"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:a0f133ef09cbe56c46ebe2cc21afccf3f"><td class="memItemLeft" align="right" valign="top">#define </td><td class="memItemRight" valign="bottom"><a class="el" href="../../d7/d75/mqtt_8h.html#a0f133ef09cbe56c46ebe2cc21afccf3f">mqtt_unsubscribe</a>(client, topic, cb, arg)   <a class="el" href="../../d7/d75/mqtt_8h.html#afdb39d4a9758f98c02451aaa9a9b3103">mqtt_sub_unsub</a>(client, topic, 0, cb, arg, 0)</td></tr>
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Typedefs</h2></td></tr>
<tr class="memitem:a3fa4eba06ca6187c7a8a8e7cb22b7e96"><td class="memItemLeft" align="right" valign="top">typedef struct <a class="el" href="../../d5/df9/structmqtt__client__t.html">mqtt_client_t</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="../../d7/d75/mqtt_8h.html#a3fa4eba06ca6187c7a8a8e7cb22b7e96">mqtt_client_t</a></td></tr>
<tr class="separator:a3fa4eba06ca6187c7a8a8e7cb22b7e96"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:a8558743bdb7d599a93844fbc56c9029f"><td class="memItemLeft" align="right" valign="top">typedef void(* </td><td class="memItemRight" valign="bottom"><a class="el" href="../../d7/d75/mqtt_8h.html#a8558743bdb7d599a93844fbc56c9029f">mqtt_connection_cb_t</a>) (<a class="el" href="../../d5/df9/structmqtt__client__t.html">mqtt_client_t</a> *client, void *arg, <a class="el" href="../../d7/d75/mqtt_8h.html#a8cf0f360ab20343af37e1d124395a77d">mqtt_connection_status_t</a> status)</td></tr>
<tr class="separator:a8558743bdb7d599a93844fbc56c9029f"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:afec7e75fe6a746eef9ca411463446c81"><td class="memItemLeft" align="right" valign="top">typedef void(* </td><td class="memItemRight" valign="bottom"><a class="el" href="../../d7/d75/mqtt_8h.html#afec7e75fe6a746eef9ca411463446c81">mqtt_incoming_data_cb_t</a>) (void *arg, <a class="el" href="../../d6/d92/cdefs_8h.html#a2c212835823e3c54a8ab6d95c652660e">const</a> <a class="el" href="../../de/d8c/group__compiler__abstraction.html#ga4caecabca98b43919dd11be1c0d4cd8e">u8_t</a> *data, <a class="el" href="../../de/d8c/group__compiler__abstraction.html#ga77570ac4fcab86864fa1916e55676da2">u16_t</a> len, <a class="el" href="../../de/d8c/group__compiler__abstraction.html#ga4caecabca98b43919dd11be1c0d4cd8e">u8_t</a> flags)</td></tr>
<tr class="separator:afec7e75fe6a746eef9ca411463446c81"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:a7116bb85255394cec4b1d9fa38842c29"><td class="memItemLeft" align="right" valign="top">typedef void(* </td><td class="memItemRight" valign="bottom"><a class="el" href="../../d7/d75/mqtt_8h.html#a7116bb85255394cec4b1d9fa38842c29">mqtt_incoming_publish_cb_t</a>) (void *arg, <a class="el" href="../../d6/d92/cdefs_8h.html#a2c212835823e3c54a8ab6d95c652660e">const</a> char *topic, <a class="el" href="../../de/d8c/group__compiler__abstraction.html#ga4c14294869aceba3ef9d4c0c302d0f33">u32_t</a> tot_len)</td></tr>
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<tr class="memitem:acad2bbe2cee76eaa120cc63e2f6094fd"><td class="memItemLeft" align="right" valign="top">typedef void(* </td><td class="memItemRight" valign="bottom"><a class="el" href="../../d7/d75/mqtt_8h.html#acad2bbe2cee76eaa120cc63e2f6094fd">mqtt_request_cb_t</a>) (void *arg, <a class="el" href="../../d2/de7/group__infrastructure__errors.html#gaf02d9da80fd66b4f986d2c53d7231ddb">err_t</a> err)</td></tr>
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Enumerations</h2></td></tr>
<tr class="memitem:adf764cbdea00d65edcd07bb9953ad2b7"><td class="memItemLeft" align="right" valign="top">enum  </td><td class="memItemRight" valign="bottom">{ <a class="el" href="../../d7/d75/mqtt_8h.html#adf764cbdea00d65edcd07bb9953ad2b7a79cd00d0a5a8df13207e0c49447df87f">MQTT_DATA_FLAG_LAST</a> = 1
}</td></tr>
<tr class="separator:adf764cbdea00d65edcd07bb9953ad2b7"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:a8cf0f360ab20343af37e1d124395a77d"><td class="memItemLeft" align="right" valign="top">enum  </td><td class="memItemRight" valign="bottom"><a class="el" href="../../d7/d75/mqtt_8h.html#a8cf0f360ab20343af37e1d124395a77d">mqtt_connection_status_t</a> { <br />
  <a class="el" href="../../d7/d75/mqtt_8h.html#a8cf0f360ab20343af37e1d124395a77da074dc1d289b8e8d4aad91f6a2cb93dc1">MQTT_CONNECT_ACCEPTED</a> = 0,
<a class="el" href="../../d7/d75/mqtt_8h.html#a8cf0f360ab20343af37e1d124395a77da41f8aa97142be337cb639f94d9145190">MQTT_CONNECT_REFUSED_PROTOCOL_VERSION</a> = 1,
<a class="el" href="../../d7/d75/mqtt_8h.html#a8cf0f360ab20343af37e1d124395a77da28ffe49b0175adaa2b9a27cb4873224a">MQTT_CONNECT_REFUSED_IDENTIFIER</a> = 2,
<a class="el" href="../../d7/d75/mqtt_8h.html#a8cf0f360ab20343af37e1d124395a77dade28ec1c2ce3d874e91251d683c92b2a">MQTT_CONNECT_REFUSED_SERVER</a> = 3,
<br />
  <a class="el" href="../../d7/d75/mqtt_8h.html#a8cf0f360ab20343af37e1d124395a77da290cf9037054c42022cc864cfade896a">MQTT_CONNECT_REFUSED_USERNAME_PASS</a> = 4,
<a class="el" href="../../d7/d75/mqtt_8h.html#a8cf0f360ab20343af37e1d124395a77dafc4888158dd6ee84269a5f0bfdc12b17">MQTT_CONNECT_REFUSED_NOT_AUTHORIZED_</a> = 5,
<a class="el" href="../../d7/d75/mqtt_8h.html#a8cf0f360ab20343af37e1d124395a77da321f5ce31b173f235de1a517fcfd00dd">MQTT_CONNECT_DISCONNECTED</a> = 256,
<a class="el" href="../../d7/d75/mqtt_8h.html#a8cf0f360ab20343af37e1d124395a77da57153f2ab4331c6f76a9ee74e1bcfc62">MQTT_CONNECT_TIMEOUT</a> = 257
<br />
}</td></tr>
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Functions</h2></td></tr>
<tr class="memitem:aaa9248041cdc76f3bf528c6434d83967"><td class="memItemLeft" align="right" valign="top"><a class="el" href="../../d2/de7/group__infrastructure__errors.html#gaf02d9da80fd66b4f986d2c53d7231ddb">err_t</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="../../d7/d75/mqtt_8h.html#aaa9248041cdc76f3bf528c6434d83967">mqtt_client_connect</a> (<a class="el" href="../../d5/df9/structmqtt__client__t.html">mqtt_client_t</a> *client, <a class="el" href="../../d6/d92/cdefs_8h.html#a2c212835823e3c54a8ab6d95c652660e">const</a> <a class="el" href="../../de/df7/ip__addr_8h.html#a88b43639738c4de2d3cd22e3a1fd7696">ip_addr_t</a> *ipaddr, <a class="el" href="../../de/d8c/group__compiler__abstraction.html#ga77570ac4fcab86864fa1916e55676da2">u16_t</a> port, <a class="el" href="../../d7/d75/mqtt_8h.html#a8558743bdb7d599a93844fbc56c9029f">mqtt_connection_cb_t</a> cb, void *arg, <a class="el" href="../../d6/d92/cdefs_8h.html#a2c212835823e3c54a8ab6d95c652660e">const</a> struct <a class="el" href="../../d0/d91/structmqtt__connect__client__info__t.html">mqtt_connect_client_info_t</a> *client_info)</td></tr>
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<tr class="memitem:a98f0fd168112b8b7db59bcd7a325a5c5"><td class="memItemLeft" align="right" valign="top"><a class="el" href="../../de/d8c/group__compiler__abstraction.html#ga4caecabca98b43919dd11be1c0d4cd8e">u8_t</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="../../d7/d75/mqtt_8h.html#a98f0fd168112b8b7db59bcd7a325a5c5">mqtt_client_is_connected</a> (<a class="el" href="../../d5/df9/structmqtt__client__t.html">mqtt_client_t</a> *client)</td></tr>
<tr class="separator:a98f0fd168112b8b7db59bcd7a325a5c5"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:ae7e19e236eb6122c8c39e93db6f5f53f"><td class="memItemLeft" align="right" valign="top"><a class="el" href="../../d5/df9/structmqtt__client__t.html">mqtt_client_t</a> * </td><td class="memItemRight" valign="bottom"><a class="el" href="../../d7/d75/mqtt_8h.html#ae7e19e236eb6122c8c39e93db6f5f53f">mqtt_client_new</a> (void)</td></tr>
<tr class="separator:ae7e19e236eb6122c8c39e93db6f5f53f"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:a73d8dd718bce09bfaab452770b4f76e6"><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="../../d7/d75/mqtt_8h.html#a73d8dd718bce09bfaab452770b4f76e6">mqtt_disconnect</a> (<a class="el" href="../../d5/df9/structmqtt__client__t.html">mqtt_client_t</a> *client)</td></tr>
<tr class="separator:a73d8dd718bce09bfaab452770b4f76e6"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:ade9850d716e81fde572cb012be795d2f"><td class="memItemLeft" align="right" valign="top"><a class="el" href="../../d2/de7/group__infrastructure__errors.html#gaf02d9da80fd66b4f986d2c53d7231ddb">err_t</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="../../d7/d75/mqtt_8h.html#ade9850d716e81fde572cb012be795d2f">mqtt_publish</a> (<a class="el" href="../../d5/df9/structmqtt__client__t.html">mqtt_client_t</a> *client, <a class="el" href="../../d6/d92/cdefs_8h.html#a2c212835823e3c54a8ab6d95c652660e">const</a> char *topic, <a class="el" href="../../d6/d92/cdefs_8h.html#a2c212835823e3c54a8ab6d95c652660e">const</a> void *payload, <a class="el" href="../../de/d8c/group__compiler__abstraction.html#ga77570ac4fcab86864fa1916e55676da2">u16_t</a> payload_length, <a class="el" href="../../de/d8c/group__compiler__abstraction.html#ga4caecabca98b43919dd11be1c0d4cd8e">u8_t</a> qos, <a class="el" href="../../de/d8c/group__compiler__abstraction.html#ga4caecabca98b43919dd11be1c0d4cd8e">u8_t</a> retain, <a class="el" href="../../d7/d75/mqtt_8h.html#acad2bbe2cee76eaa120cc63e2f6094fd">mqtt_request_cb_t</a> cb, void *arg)</td></tr>
<tr class="separator:ade9850d716e81fde572cb012be795d2f"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:a1f165225a0aab027ba72b6077bc5dda0"><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="../../d7/d75/mqtt_8h.html#a1f165225a0aab027ba72b6077bc5dda0">mqtt_set_inpub_callback</a> (<a class="el" href="../../d5/df9/structmqtt__client__t.html">mqtt_client_t</a> *client, <a class="el" href="../../d7/d75/mqtt_8h.html#a7116bb85255394cec4b1d9fa38842c29">mqtt_incoming_publish_cb_t</a>, <a class="el" href="../../d7/d75/mqtt_8h.html#afec7e75fe6a746eef9ca411463446c81">mqtt_incoming_data_cb_t</a> data_cb, void *arg)</td></tr>
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<tr class="memitem:afdb39d4a9758f98c02451aaa9a9b3103"><td class="memItemLeft" align="right" valign="top"><a class="el" href="../../d2/de7/group__infrastructure__errors.html#gaf02d9da80fd66b4f986d2c53d7231ddb">err_t</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="../../d7/d75/mqtt_8h.html#afdb39d4a9758f98c02451aaa9a9b3103">mqtt_sub_unsub</a> (<a class="el" href="../../d5/df9/structmqtt__client__t.html">mqtt_client_t</a> *client, <a class="el" href="../../d6/d92/cdefs_8h.html#a2c212835823e3c54a8ab6d95c652660e">const</a> char *topic, <a class="el" href="../../de/d8c/group__compiler__abstraction.html#ga4caecabca98b43919dd11be1c0d4cd8e">u8_t</a> qos, <a class="el" href="../../d7/d75/mqtt_8h.html#acad2bbe2cee76eaa120cc63e2f6094fd">mqtt_request_cb_t</a> cb, void *arg, <a class="el" href="../../de/d8c/group__compiler__abstraction.html#ga4caecabca98b43919dd11be1c0d4cd8e">u8_t</a> sub)</td></tr>
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</table>
<a name="details" id="details"></a><h2 class="groupheader">Detailed Description</h2>
<div class="textblock"><p>MQTT client </p>
<p class="definition">Definition in file <a class="el" href="../../d7/d75/mqtt_8h_source.html">mqtt.h</a>.</p>
</div><h2 class="groupheader">Macro Definition Documentation</h2>
<a id="aa8632baff6bbb5004385998918f1e6bd"></a>
<h2 class="memtitle"><span class="permalink"><a href="#aa8632baff6bbb5004385998918f1e6bd">◆ </a></span>MQTT_PORT</h2>
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<td class="memname">#define MQTT_PORT   1883</td>
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</div><div class="memdoc">
<p>Default MQTT port </p>
<p class="definition">Definition at line <a class="el" href="../../d7/d75/mqtt_8h_source.html#l00052">52</a> of file <a class="el" href="../../d7/d75/mqtt_8h_source.html">mqtt.h</a>.</p>
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<h2 class="memtitle"><span class="permalink"><a href="#a83d6a6d811b201a74d793bc1b5d4e029">◆ </a></span>mqtt_subscribe</h2>
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<td class="memname">#define mqtt_subscribe</td>
<td>(</td>
<td class="paramtype"> </td>
<td class="paramname">client, </td>
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<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype"> </td>
<td class="paramname">topic, </td>
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<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype"> </td>
<td class="paramname">qos, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype"> </td>
<td class="paramname">cb, </td>
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<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype"> </td>
<td class="paramname">arg </td>
</tr>
<tr>
<td></td>
<td>)</td>
<td></td><td>   <a class="el" href="../../d7/d75/mqtt_8h.html#afdb39d4a9758f98c02451aaa9a9b3103">mqtt_sub_unsub</a>(client, topic, qos, cb, arg, 1)</td>
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<p>Subscribe to topic </p>
<p class="definition">Definition at line <a class="el" href="../../d7/d75/mqtt_8h_source.html#l00230">230</a> of file <a class="el" href="../../d7/d75/mqtt_8h_source.html">mqtt.h</a>.</p>
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<h2 class="memtitle"><span class="permalink"><a href="#a0f133ef09cbe56c46ebe2cc21afccf3f">◆ </a></span>mqtt_unsubscribe</h2>
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<td class="memname">#define mqtt_unsubscribe</td>
<td>(</td>
<td class="paramtype"> </td>
<td class="paramname">client, </td>
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<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype"> </td>
<td class="paramname">topic, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype"> </td>
<td class="paramname">cb, </td>
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<td class="paramkey"></td>
<td></td>
<td class="paramtype"> </td>
<td class="paramname">arg </td>
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<td></td>
<td>)</td>
<td></td><td>   <a class="el" href="../../d7/d75/mqtt_8h.html#afdb39d4a9758f98c02451aaa9a9b3103">mqtt_sub_unsub</a>(client, topic, 0, cb, arg, 0)</td>
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<p>Unsubscribe to topic </p>
<p class="definition">Definition at line <a class="el" href="../../d7/d75/mqtt_8h_source.html#l00233">233</a> of file <a class="el" href="../../d7/d75/mqtt_8h_source.html">mqtt.h</a>.</p>
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<h2 class="groupheader">Typedef Documentation</h2>
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<h2 class="memtitle"><span class="permalink"><a href="#a3fa4eba06ca6187c7a8a8e7cb22b7e96">◆ </a></span>mqtt_client_t</h2>
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<td class="memname">typedef struct <a class="el" href="../../d5/df9/structmqtt__client__t.html">mqtt_client_t</a> <a class="el" href="../../d5/df9/structmqtt__client__t.html">mqtt_client_t</a></td>
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<p class="definition">Definition at line <a class="el" href="../../d7/d75/mqtt_8h_source.html#l00048">48</a> of file <a class="el" href="../../d7/d75/mqtt_8h_source.html">mqtt.h</a>.</p>
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<h2 class="memtitle"><span class="permalink"><a href="#a8558743bdb7d599a93844fbc56c9029f">◆ </a></span>mqtt_connection_cb_t</h2>
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<td class="memname">typedef void(* mqtt_connection_cb_t) (<a class="el" href="../../d5/df9/structmqtt__client__t.html">mqtt_client_t</a> *client, void *arg, <a class="el" href="../../d7/d75/mqtt_8h.html#a8cf0f360ab20343af37e1d124395a77d">mqtt_connection_status_t</a> status)</td>
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<p>Function prototype for mqtt connection status callback. Called when client has connected to the server after initiating a mqtt connection attempt by calling mqtt_connect() or when connection is closed by server or an error</p>
<dl class="params"><dt>Parameters</dt><dd>
<table class="params">
<tr><td class="paramname">client</td><td>MQTT client itself </td></tr>
<tr><td class="paramname">arg</td><td>Additional argument to pass to the callback function </td></tr>
<tr><td class="paramname">status</td><td>Connect result code or disconnection notification </td></tr>
</table>
</dd>
</dl>
<dl class="section see"><dt>See also</dt><dd><a class="el" href="../../d7/d75/mqtt_8h.html#a8cf0f360ab20343af37e1d124395a77d">mqtt_connection_status_t</a> </dd></dl>
<p class="definition">Definition at line <a class="el" href="../../d7/d75/mqtt_8h_source.html#l00102">102</a> of file <a class="el" href="../../d7/d75/mqtt_8h_source.html">mqtt.h</a>.</p>
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<h2 class="memtitle"><span class="permalink"><a href="#afec7e75fe6a746eef9ca411463446c81">◆ </a></span>mqtt_incoming_data_cb_t</h2>
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<td class="memname">typedef void(* mqtt_incoming_data_cb_t) (void *arg, <a class="el" href="../../d6/d92/cdefs_8h.html#a2c212835823e3c54a8ab6d95c652660e">const</a> <a class="el" href="../../de/d8c/group__compiler__abstraction.html#ga4caecabca98b43919dd11be1c0d4cd8e">u8_t</a> *data, <a class="el" href="../../de/d8c/group__compiler__abstraction.html#ga77570ac4fcab86864fa1916e55676da2">u16_t</a> len, <a class="el" href="../../de/d8c/group__compiler__abstraction.html#ga4caecabca98b43919dd11be1c0d4cd8e">u8_t</a> flags)</td>
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<p>Function prototype for MQTT incoming publish data callback function. Called when data arrives to a subscribed topic </p><dl class="section see"><dt>See also</dt><dd><a class="el" href="../../d7/d75/mqtt_8h.html#a83d6a6d811b201a74d793bc1b5d4e029">mqtt_subscribe</a></dd></dl>
<dl class="params"><dt>Parameters</dt><dd>
<table class="params">
<tr><td class="paramname">arg</td><td>Additional argument to pass to the callback function </td></tr>
<tr><td class="paramname">data</td><td>User data, pointed object, data may not be referenced after callback return, NULL is passed when all publish data are delivered </td></tr>
<tr><td class="paramname">len</td><td>Length of publish data fragment </td></tr>
<tr><td class="paramname">flags</td><td>MQTT_DATA_FLAG_LAST set when this call contains the last part of data from publish message </td></tr>
</table>
</dd>
</dl>
<p class="definition">Definition at line <a class="el" href="../../d7/d75/mqtt_8h_source.html#l00125">125</a> of file <a class="el" href="../../d7/d75/mqtt_8h_source.html">mqtt.h</a>.</p>
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<h2 class="memtitle"><span class="permalink"><a href="#a7116bb85255394cec4b1d9fa38842c29">◆ </a></span>mqtt_incoming_publish_cb_t</h2>
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<td class="memname">typedef void(* mqtt_incoming_publish_cb_t) (void *arg, <a class="el" href="../../d6/d92/cdefs_8h.html#a2c212835823e3c54a8ab6d95c652660e">const</a> char *topic, <a class="el" href="../../de/d8c/group__compiler__abstraction.html#ga4c14294869aceba3ef9d4c0c302d0f33">u32_t</a> tot_len)</td>
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<p>Function prototype for MQTT incoming publish function. Called when an incoming publish arrives to a subscribed topic </p><dl class="section see"><dt>See also</dt><dd><a class="el" href="../../d7/d75/mqtt_8h.html#a83d6a6d811b201a74d793bc1b5d4e029">mqtt_subscribe</a></dd></dl>
<dl class="params"><dt>Parameters</dt><dd>
<table class="params">
<tr><td class="paramname">arg</td><td>Additional argument to pass to the callback function </td></tr>
<tr><td class="paramname">topic</td><td>Zero terminated Topic text string, topic may not be referenced after callback return </td></tr>
<tr><td class="paramname">tot_len</td><td>Total length of publish data, if set to 0 (no publish payload) data callback will not be invoked </td></tr>
</table>
</dd>
</dl>
<p class="definition">Definition at line <a class="el" href="../../d7/d75/mqtt_8h_source.html#l00137">137</a> of file <a class="el" href="../../d7/d75/mqtt_8h_source.html">mqtt.h</a>.</p>
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<h2 class="memtitle"><span class="permalink"><a href="#acad2bbe2cee76eaa120cc63e2f6094fd">◆ </a></span>mqtt_request_cb_t</h2>
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<td class="memname">typedef void(* mqtt_request_cb_t) (void *arg, <a class="el" href="../../d2/de7/group__infrastructure__errors.html#gaf02d9da80fd66b4f986d2c53d7231ddb">err_t</a> err)</td>
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<p>Function prototype for mqtt request callback. Called when a subscribe, unsubscribe or publish request has completed </p><dl class="params"><dt>Parameters</dt><dd>
<table class="params">
<tr><td class="paramname">arg</td><td>Pointer to user data supplied when invoking request </td></tr>
<tr><td class="paramname">err</td><td>ERR_OK on success ERR_TIMEOUT if no response was received within timeout, ERR_ABRT if (un)subscribe was denied </td></tr>
</table>
</dd>
</dl>
<p class="definition">Definition at line <a class="el" href="../../d7/d75/mqtt_8h_source.html#l00149">149</a> of file <a class="el" href="../../d7/d75/mqtt_8h_source.html">mqtt.h</a>.</p>
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<h2 class="groupheader">Enumeration Type Documentation</h2>
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<h2 class="memtitle"><span class="permalink"><a href="#adf764cbdea00d65edcd07bb9953ad2b7">◆ </a></span>anonymous enum</h2>
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<td class="memname">anonymous enum</td>
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<p>Data callback flags </p>
<table class="fieldtable">
<tr><th colspan="2">Enumerator</th></tr><tr><td class="fieldname"><a id="adf764cbdea00d65edcd07bb9953ad2b7a79cd00d0a5a8df13207e0c49447df87f"></a>MQTT_DATA_FLAG_LAST </td><td class="fielddoc"><p>Flag set when last fragment of data arrives in data callback </p>
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<p class="definition">Definition at line <a class="el" href="../../d7/d75/mqtt_8h_source.html#l00108">108</a> of file <a class="el" href="../../d7/d75/mqtt_8h_source.html">mqtt.h</a>.</p>
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<h2 class="memtitle"><span class="permalink"><a href="#a8cf0f360ab20343af37e1d124395a77d">◆ </a></span>mqtt_connection_status_t</h2>
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<td class="memname">enum <a class="el" href="../../d7/d75/mqtt_8h.html#a8cf0f360ab20343af37e1d124395a77d">mqtt_connection_status_t</a></td>
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<p>Connection status codes </p>
<table class="fieldtable">
<tr><th colspan="2">Enumerator</th></tr><tr><td class="fieldname"><a id="a8cf0f360ab20343af37e1d124395a77da074dc1d289b8e8d4aad91f6a2cb93dc1"></a>MQTT_CONNECT_ACCEPTED </td><td class="fielddoc"></td></tr>
<tr><td class="fieldname"><a id="a8cf0f360ab20343af37e1d124395a77da41f8aa97142be337cb639f94d9145190"></a>MQTT_CONNECT_REFUSED_PROTOCOL_VERSION </td><td class="fielddoc"></td></tr>
<tr><td class="fieldname"><a id="a8cf0f360ab20343af37e1d124395a77da28ffe49b0175adaa2b9a27cb4873224a"></a>MQTT_CONNECT_REFUSED_IDENTIFIER </td><td class="fielddoc"></td></tr>
<tr><td class="fieldname"><a id="a8cf0f360ab20343af37e1d124395a77dade28ec1c2ce3d874e91251d683c92b2a"></a>MQTT_CONNECT_REFUSED_SERVER </td><td class="fielddoc"></td></tr>
<tr><td class="fieldname"><a id="a8cf0f360ab20343af37e1d124395a77da290cf9037054c42022cc864cfade896a"></a>MQTT_CONNECT_REFUSED_USERNAME_PASS </td><td class="fielddoc"></td></tr>
<tr><td class="fieldname"><a id="a8cf0f360ab20343af37e1d124395a77dafc4888158dd6ee84269a5f0bfdc12b17"></a>MQTT_CONNECT_REFUSED_NOT_AUTHORIZED_ </td><td class="fielddoc"></td></tr>
<tr><td class="fieldname"><a id="a8cf0f360ab20343af37e1d124395a77da321f5ce31b173f235de1a517fcfd00dd"></a>MQTT_CONNECT_DISCONNECTED </td><td class="fielddoc"></td></tr>
<tr><td class="fieldname"><a id="a8cf0f360ab20343af37e1d124395a77da57153f2ab4331c6f76a9ee74e1bcfc62"></a>MQTT_CONNECT_TIMEOUT </td><td class="fielddoc"></td></tr>
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<p class="definition">Definition at line <a class="el" href="../../d7/d75/mqtt_8h_source.html#l00079">79</a> of file <a class="el" href="../../d7/d75/mqtt_8h_source.html">mqtt.h</a>.</p>
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<h2 class="groupheader">Function Documentation</h2>
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<h2 class="memtitle"><span class="permalink"><a href="#aaa9248041cdc76f3bf528c6434d83967">◆ </a></span>mqtt_client_connect()</h2>
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<td class="memname"><a class="el" href="../../d2/de7/group__infrastructure__errors.html#gaf02d9da80fd66b4f986d2c53d7231ddb">err_t</a> mqtt_client_connect </td>
<td>(</td>
<td class="paramtype"><a class="el" href="../../d5/df9/structmqtt__client__t.html">mqtt_client_t</a> * </td>
<td class="paramname"><em>client</em>, </td>
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<td class="paramkey"></td>
<td></td>
<td class="paramtype"><a class="el" href="../../d6/d92/cdefs_8h.html#a2c212835823e3c54a8ab6d95c652660e">const</a> <a class="el" href="../../de/df7/ip__addr_8h.html#a88b43639738c4de2d3cd22e3a1fd7696">ip_addr_t</a> * </td>
<td class="paramname"><em>ipaddr</em>, </td>
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<td class="paramtype"><a class="el" href="../../de/d8c/group__compiler__abstraction.html#ga77570ac4fcab86864fa1916e55676da2">u16_t</a> </td>
<td class="paramname"><em>port</em>, </td>
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<td class="paramtype"><a class="el" href="../../d7/d75/mqtt_8h.html#a8558743bdb7d599a93844fbc56c9029f">mqtt_connection_cb_t</a> </td>
<td class="paramname"><em>cb</em>, </td>
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<td class="paramtype">void * </td>
<td class="paramname"><em>arg</em>, </td>
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<td class="paramtype"><a class="el" href="../../d6/d92/cdefs_8h.html#a2c212835823e3c54a8ab6d95c652660e">const</a> struct <a class="el" href="../../d0/d91/structmqtt__connect__client__info__t.html">mqtt_connect_client_info_t</a> * </td>
<td class="paramname"><em>client_info</em> </td>
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<td>)</td>
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<p>Connect to server </p>
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<h2 class="memtitle"><span class="permalink"><a href="#a98f0fd168112b8b7db59bcd7a325a5c5">◆ </a></span>mqtt_client_is_connected()</h2>
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<td class="memname"><a class="el" href="../../de/d8c/group__compiler__abstraction.html#ga4caecabca98b43919dd11be1c0d4cd8e">u8_t</a> mqtt_client_is_connected </td>
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<td class="paramtype"><a class="el" href="../../d5/df9/structmqtt__client__t.html">mqtt_client_t</a> * </td>
<td class="paramname"><em>client</em></td><td>)</td>
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<p>Check connection status </p>
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<h2 class="memtitle"><span class="permalink"><a href="#ae7e19e236eb6122c8c39e93db6f5f53f">◆ </a></span>mqtt_client_new()</h2>
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<td class="memname"><a class="el" href="../../d5/df9/structmqtt__client__t.html">mqtt_client_t</a>* mqtt_client_new </td>
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<p>Create new client </p>
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<h2 class="memtitle"><span class="permalink"><a href="#a73d8dd718bce09bfaab452770b4f76e6">◆ </a></span>mqtt_disconnect()</h2>
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<td class="memname">void mqtt_disconnect </td>
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<td class="paramtype"><a class="el" href="../../d5/df9/structmqtt__client__t.html">mqtt_client_t</a> * </td>
<td class="paramname"><em>client</em></td><td>)</td>
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<p>Disconnect from server </p>
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<h2 class="memtitle"><span class="permalink"><a href="#ade9850d716e81fde572cb012be795d2f">◆ </a></span>mqtt_publish()</h2>
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<td class="memname"><a class="el" href="../../d2/de7/group__infrastructure__errors.html#gaf02d9da80fd66b4f986d2c53d7231ddb">err_t</a> mqtt_publish </td>
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<td class="paramtype"><a class="el" href="../../d5/df9/structmqtt__client__t.html">mqtt_client_t</a> * </td>
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<td class="paramtype"><a class="el" href="../../d6/d92/cdefs_8h.html#a2c212835823e3c54a8ab6d95c652660e">const</a> char * </td>
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<td class="paramtype"><a class="el" href="../../d6/d92/cdefs_8h.html#a2c212835823e3c54a8ab6d95c652660e">const</a> void * </td>
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<td class="paramtype"><a class="el" href="../../de/d8c/group__compiler__abstraction.html#ga77570ac4fcab86864fa1916e55676da2">u16_t</a> </td>
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<td class="paramtype"><a class="el" href="../../de/d8c/group__compiler__abstraction.html#ga4caecabca98b43919dd11be1c0d4cd8e">u8_t</a> </td>
<td class="paramname"><em>qos</em>, </td>
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<td class="paramtype"><a class="el" href="../../d7/d75/mqtt_8h.html#acad2bbe2cee76eaa120cc63e2f6094fd">mqtt_request_cb_t</a> </td>
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<td class="paramtype">void * </td>
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<p>Publish data to topic </p>
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<h2 class="memtitle"><span class="permalink"><a href="#a1f165225a0aab027ba72b6077bc5dda0">◆ </a></span>mqtt_set_inpub_callback()</h2>
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<td class="memname">void mqtt_set_inpub_callback </td>
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<td class="paramtype"><a class="el" href="../../d5/df9/structmqtt__client__t.html">mqtt_client_t</a> * </td>
<td class="paramname"><em>client</em>, </td>
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<td class="paramtype"><a class="el" href="../../d7/d75/mqtt_8h.html#a7116bb85255394cec4b1d9fa38842c29">mqtt_incoming_publish_cb_t</a> </td>
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<td class="paramtype"><a class="el" href="../../d7/d75/mqtt_8h.html#afec7e75fe6a746eef9ca411463446c81">mqtt_incoming_data_cb_t</a> </td>
<td class="paramname"><em>data_cb</em>, </td>
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<p>Set callback to call for incoming publish </p>
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<h2 class="memtitle"><span class="permalink"><a href="#afdb39d4a9758f98c02451aaa9a9b3103">◆ </a></span>mqtt_sub_unsub()</h2>
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<td class="memname"><a class="el" href="../../d2/de7/group__infrastructure__errors.html#gaf02d9da80fd66b4f986d2c53d7231ddb">err_t</a> mqtt_sub_unsub </td>
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<td class="paramtype"><a class="el" href="../../d5/df9/structmqtt__client__t.html">mqtt_client_t</a> * </td>
<td class="paramname"><em>client</em>, </td>
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<td class="paramtype"><a class="el" href="../../d6/d92/cdefs_8h.html#a2c212835823e3c54a8ab6d95c652660e">const</a> char * </td>
<td class="paramname"><em>topic</em>, </td>
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<td class="paramname"><em>qos</em>, </td>
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<td class="paramtype"><a class="el" href="../../d7/d75/mqtt_8h.html#acad2bbe2cee76eaa120cc63e2f6094fd">mqtt_request_cb_t</a> </td>
<td class="paramname"><em>cb</em>, </td>
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<td class="paramtype">void * </td>
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<td class="paramname"><em>sub</em> </td>
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<p>Common function for subscribe and unsubscribe </p>
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