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<!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>ESP8266 Centre + NB: nb_bc35.h 文件参考</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>
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</head>
<body>
<div id="top"><!-- do not remove this div, it is closed by doxygen! -->
<div id="titlearea">
<table cellspacing="0" cellpadding="0">
<tbody>
<tr style="height: 56px;">
<td style="padding-left: 0.5em;">
<div id="projectname">ESP8266 Centre + NB
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<li><a href="annotated.html"><span>结构体</span></a></li>
<li class="current"><a href="files.html"><span>文件</span></a></li>
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</div>
<div id="navrow2" class="tabs2">
<ul class="tablist">
<li><a href="files.html"><span>文件列表</span></a></li>
<li><a href="globals.html"><span>全局定义</span></a></li>
</ul>
</div>
<div id="nav-path" class="navpath">
<ul>
<li class="navelem"><a class="el" href="dir_e3cfce0f2579b93466aa86ecffbb9b24.html">include</a></li> </ul>
</div>
</div><!-- top -->
<div class="header">
<div class="summary">
<a href="#define-members">宏定义</a> |
<a href="#func-members">函数</a> </div>
<div class="headertitle">
<div class="title">nb_bc35.h 文件参考</div> </div>
</div><!--header-->
<div class="contents">
<div class="textblock"><code>#include "<a class="el" href="ets__sys_8h_source.html">ets_sys.h</a>"</code><br/>
<code>#include "<a class="el" href="os__type_8h_source.html">os_type.h</a>"</code><br/>
<code>#include "<a class="el" href="osapi_8h_source.html">osapi.h</a>"</code><br/>
<code>#include "<a class="el" href="driver_2uart_8h_source.html">driver/uart.h</a>"</code><br/>
</div><div class="textblock"><div class="dynheader">
nb_bc35.h 的引用(Include)关系图:</div>
<div class="dyncontent">
<div class="center"><img src="nb__bc35_8h__incl.png" border="0" usemap="#nb__bc35_8h" alt=""/></div>
<map name="nb__bc35_8h" id="nb__bc35_8h">
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</div>
</div><div class="textblock"><div class="dynheader">
此图展示该文件直接或间接的被哪些文件引用了:</div>
<div class="dyncontent">
<div class="center"><img src="nb__bc35_8h__dep__incl.png" border="0" usemap="#nb__bc35_8hdep" alt=""/></div>
<map name="nb__bc35_8hdep" id="nb__bc35_8hdep">
<area shape="rect" id="node2" href="app__study__room_8c.html" title="app_study_room.c" alt="" coords="5,80,135,107"/><area shape="rect" id="node3" href="nb__bc35_8c.html" title="nb_bc35.c" alt="" coords="159,80,242,107"/><area shape="rect" id="node4" href="user__main_8c.html" title="user_main.c" alt="" coords="266,80,359,107"/></map>
</div>
</div>
<p><a href="nb__bc35_8h_source.html">浏览源代码.</a></p>
<table class="memberdecls">
<tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="define-members"></a>
宏定义</h2></td></tr>
<tr class="memitem:a8d1152fd5720304d3e44fa2101541f03"><td class="memItemLeft" align="right" valign="top">#define </td><td class="memItemRight" valign="bottom"><a class="el" href="nb__bc35_8h.html#a8d1152fd5720304d3e44fa2101541f03">AT_MODU_NAME</a>   "nb_neul95"</td></tr>
<tr class="separator:a8d1152fd5720304d3e44fa2101541f03"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:af0651b26f59b22f014ef8b9b42b2ed05"><td class="memItemLeft" align="right" valign="top">#define </td><td class="memItemRight" valign="bottom"><a class="el" href="nb__bc35_8h.html#af0651b26f59b22f014ef8b9b42b2ed05">AT_NB_OPEN_RF</a>   "AT+CFUN=1\r"</td></tr>
<tr class="separator:af0651b26f59b22f014ef8b9b42b2ed05"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:ac5d2ee5af7efada9c1703451ef038790"><td class="memItemLeft" align="right" valign="top">#define </td><td class="memItemRight" valign="bottom"><a class="el" href="nb__bc35_8h.html#ac5d2ee5af7efada9c1703451ef038790">AT_NB_CLOSE_PSM</a>   "AT+CPSMS=0\r"</td></tr>
<tr class="separator:ac5d2ee5af7efada9c1703451ef038790"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:aa687010bde7f90377faee82786b2395b"><td class="memItemLeft" align="right" valign="top">#define </td><td class="memItemRight" valign="bottom"><a class="el" href="nb__bc35_8h.html#aa687010bde7f90377faee82786b2395b">AT_NB_CLOSE_EDRX</a>   "AT+CEDRXS=0,5\r"</td></tr>
<tr class="separator:aa687010bde7f90377faee82786b2395b"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:a53b06833e6fc79828555ea7bbeb2278f"><td class="memItemLeft" align="right" valign="top">#define </td><td class="memItemRight" valign="bottom"><a class="el" href="nb__bc35_8h.html#a53b06833e6fc79828555ea7bbeb2278f">AT_NB_CGATT_ATTACH</a>   "AT+<a class="el" href="nb__bc35_8h.html#a9a2068bff818d36fedd0be3b4dc67a82">CGATT</a>=1\r"</td></tr>
<tr class="separator:a53b06833e6fc79828555ea7bbeb2278f"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:aa55fd8c8f8e1e5f62839e8f9f8ed2458"><td class="memItemLeft" align="right" valign="top">#define </td><td class="memItemRight" valign="bottom"><a class="el" href="nb__bc35_8h.html#aa55fd8c8f8e1e5f62839e8f9f8ed2458">AT_NB_REPORT_PREFIX</a>   "AT+NMGS="</td></tr>
<tr class="separator:aa55fd8c8f8e1e5f62839e8f9f8ed2458"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:a2d324ffefa260f926d5eec6c15923869"><td class="memItemLeft" align="right" valign="top">#define </td><td class="memItemRight" valign="bottom"><a class="el" href="nb__bc35_8h.html#a2d324ffefa260f926d5eec6c15923869">AT_NB_LINE_END</a>   "\r\n"</td></tr>
<tr class="separator:a2d324ffefa260f926d5eec6c15923869"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:a114f0dbbfbfe9ce363fb1e8d4abfdbb6"><td class="memItemLeft" align="right" valign="top">#define </td><td class="memItemRight" valign="bottom"><a class="el" href="nb__bc35_8h.html#a114f0dbbfbfe9ce363fb1e8d4abfdbb6">AT_NB_reboot</a>   "AT+NRB\r"</td></tr>
<tr class="separator:a114f0dbbfbfe9ce363fb1e8d4abfdbb6"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:a94e318a85aa13f91043ab5ad676ac9fe"><td class="memItemLeft" align="right" valign="top">#define </td><td class="memItemRight" valign="bottom"><a class="el" href="nb__bc35_8h.html#a94e318a85aa13f91043ab5ad676ac9fe">AT_NB_hw_detect</a>   "AT+CFUN?\r"</td></tr>
<tr class="separator:a94e318a85aa13f91043ab5ad676ac9fe"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:ad3c390c89eba62a1d3444ab5ebbfcc4d"><td class="memItemLeft" align="right" valign="top">#define </td><td class="memItemRight" valign="bottom"><a class="el" href="nb__bc35_8h.html#ad3c390c89eba62a1d3444ab5ebbfcc4d">AT_NB_get_auto_connect</a>   "AT+NCONFIG?\r"</td></tr>
<tr class="separator:ad3c390c89eba62a1d3444ab5ebbfcc4d"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:a5250a1012848aa5fd350a61cd3d7f7e8"><td class="memItemLeft" align="right" valign="top">#define </td><td class="memItemRight" valign="bottom"><a class="el" href="nb__bc35_8h.html#a5250a1012848aa5fd350a61cd3d7f7e8">AT_CMD_PREFIX</a>   "\r\n+NNMI:"</td></tr>
<tr class="separator:a5250a1012848aa5fd350a61cd3d7f7e8"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:a3477930792c6a3ef6157f54c7974e9ce"><td class="memItemLeft" align="right" valign="top">#define </td><td class="memItemRight" valign="bottom"><a class="el" href="nb__bc35_8h.html#a3477930792c6a3ef6157f54c7974e9ce">AT_DATAF_PREFIX</a>   "+NSONMI:"</td></tr>
<tr class="separator:a3477930792c6a3ef6157f54c7974e9ce"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:a9a2068bff818d36fedd0be3b4dc67a82"><td class="memItemLeft" align="right" valign="top">#define </td><td class="memItemRight" valign="bottom"><a class="el" href="nb__bc35_8h.html#a9a2068bff818d36fedd0be3b4dc67a82">CGATT</a>   "AT+CGATT?\r"</td></tr>
<tr class="separator:a9a2068bff818d36fedd0be3b4dc67a82"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:af698941e62444eae3d3af0c726cb8440"><td class="memItemLeft" align="right" valign="top">#define </td><td class="memItemRight" valign="bottom"><a class="el" href="nb__bc35_8h.html#af698941e62444eae3d3af0c726cb8440">CGATT_DEATTACH</a>   "AT+<a class="el" href="nb__bc35_8h.html#a9a2068bff818d36fedd0be3b4dc67a82">CGATT</a>=0\r"</td></tr>
<tr class="separator:af698941e62444eae3d3af0c726cb8440"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:aa32caeb8581192d1d076801cf45ad2f5"><td class="memItemLeft" align="right" valign="top">#define </td><td class="memItemRight" valign="bottom"><a class="el" href="nb__bc35_8h.html#aa32caeb8581192d1d076801cf45ad2f5">AT_LINE_END</a>   "\r\n"</td></tr>
<tr class="separator:aa32caeb8581192d1d076801cf45ad2f5"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:a1aa9f916961c8547818a6354f61b4b15"><td class="memItemLeft" align="right" valign="top">#define </td><td class="memItemRight" valign="bottom"><a class="el" href="nb__bc35_8h.html#a1aa9f916961c8547818a6354f61b4b15">AT_CMD_BEGIN</a>   "\r\n"</td></tr>
<tr class="separator:a1aa9f916961c8547818a6354f61b4b15"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:a0586e510899fa54a3a28a1b57f179b11"><td class="memItemLeft" align="right" valign="top">#define </td><td class="memItemRight" valign="bottom"><a class="el" href="nb__bc35_8h.html#a0586e510899fa54a3a28a1b57f179b11">AT_USART_PORT</a>   3</td></tr>
<tr class="separator:a0586e510899fa54a3a28a1b57f179b11"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:ac76bbf7ac0cf5291c14a52a08bceaa26"><td class="memItemLeft" align="right" valign="top">#define </td><td class="memItemRight" valign="bottom"><a class="el" href="nb__bc35_8h.html#ac76bbf7ac0cf5291c14a52a08bceaa26">AT_BUARDRATE</a>   9600</td></tr>
<tr class="separator:ac76bbf7ac0cf5291c14a52a08bceaa26"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:a28dd4caf253f1cce669ca8928dd8cf86"><td class="memItemLeft" align="right" valign="top">#define </td><td class="memItemRight" valign="bottom"><a class="el" href="nb__bc35_8h.html#a28dd4caf253f1cce669ca8928dd8cf86">AT_CMD_TIMEOUT</a>   10000</td></tr>
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<tr class="memitem:ad3413977381bf16a5b513cd8edf68bcf"><td class="memItemLeft" align="right" valign="top">#define </td><td class="memItemRight" valign="bottom"><a class="el" href="nb__bc35_8h.html#ad3413977381bf16a5b513cd8edf68bcf">AT_MAX_LINK_NUM</a>   4</td></tr>
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<tr class="memitem:adf19a92cc94e73228b1a18451fff23a4"><td class="memItemLeft" align="right" valign="top">#define </td><td class="memItemRight" valign="bottom"><a class="el" href="nb__bc35_8h.html#adf19a92cc94e73228b1a18451fff23a4">NB_STAT_LOCALPORT</a>   56</td></tr>
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<tr class="memitem:ae5a2e3b1eefb3a10a2485e28a4ccdb59"><td class="memItemLeft" align="right" valign="top">#define </td><td class="memItemRight" valign="bottom"><a class="el" href="nb__bc35_8h.html#ae5a2e3b1eefb3a10a2485e28a4ccdb59">MAX_SOCK_NUM</a>   5</td></tr>
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<tr class="memitem:a15b182d7930e0c3411c514860367d44b"><td class="memItemLeft" align="right" valign="top">#define </td><td class="memItemRight" valign="bottom"><a class="el" href="nb__bc35_8h.html#a15b182d7930e0c3411c514860367d44b">UDP_PROTO</a>   17</td></tr>
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<tr class="memitem:aa8fcba07ec4b6d01f5b51330278f8760"><td class="memItemLeft" align="right" valign="top">#define </td><td class="memItemRight" valign="bottom"><a class="el" href="nb__bc35_8h.html#aa8fcba07ec4b6d01f5b51330278f8760">MAX_AT_USERDATA_LEN</a>   (1024*5)</td></tr>
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<tr class="memitem:a9155cd445dc93d15e329ec911602b149"><td class="memItemLeft" align="right" valign="top">#define </td><td class="memItemRight" valign="bottom"><a class="el" href="nb__bc35_8h.html#a9155cd445dc93d15e329ec911602b149">AT_MAX_PAYLOADLEN</a>   512</td></tr>
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<tr class="memitem:a0fe86551df906756e80b64b4b515c37d"><td class="memItemLeft" align="right" valign="top">#define </td><td class="memItemRight" valign="bottom"><a class="el" href="nb__bc35_8h.html#a0fe86551df906756e80b64b4b515c37d">IP_LEN</a>   16</td></tr>
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</table><table class="memberdecls">
<tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="func-members"></a>
函数</h2></td></tr>
<tr class="memitem:a400010e7ae3dbd0f364708d1cefb648f"><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="nb__bc35_8h.html#a400010e7ae3dbd0f364708d1cefb648f">NB_ReportData</a> (<a class="el" href="c__types_8h.html#adde6aaee8457bee49c2a92621fe22b79">uint8</a> mid, <a class="el" href="c__types_8h.html#adde6aaee8457bee49c2a92621fe22b79">uint8</a> *data_str)</td></tr>
<tr class="memdesc:a400010e7ae3dbd0f364708d1cefb648f"><td class="mdescLeft"> </td><td class="mdescRight">上报数据到云端 <a href="#a400010e7ae3dbd0f364708d1cefb648f">更多...</a><br/></td></tr>
<tr class="separator:a400010e7ae3dbd0f364708d1cefb648f"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:a8692a2f7ec697730968b4bc50e99332d"><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="nb__bc35_8h.html#a8692a2f7ec697730968b4bc50e99332d">NB_SendCmd</a> (<a class="el" href="c__types_8h.html#adde6aaee8457bee49c2a92621fe22b79">uint8</a> *cmd, <a class="el" href="c__types_8h.html#adde6aaee8457bee49c2a92621fe22b79">uint8</a> cmd_len, <a class="el" href="c__types_8h.html#adde6aaee8457bee49c2a92621fe22b79">uint8</a> *<a class="el" href="nb__bc35_8c.html#a54bb5bc6dc3de1c3aced6e63dfa6b481">response_msg</a>)</td></tr>
<tr class="memdesc:a8692a2f7ec697730968b4bc50e99332d"><td class="mdescLeft"> </td><td class="mdescRight">向NB模组发送指令 <a href="#a8692a2f7ec697730968b4bc50e99332d">更多...</a><br/></td></tr>
<tr class="separator:a8692a2f7ec697730968b4bc50e99332d"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:a0b72979919e235285d99b57f831046f5"><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="nb__bc35_8h.html#a0b72979919e235285d99b57f831046f5">NB_ResponseTimerCb</a> (void *arg)</td></tr>
<tr class="separator:a0b72979919e235285d99b57f831046f5"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:a2cf1c3f67e168aee4fe9c184c9809307"><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="nb__bc35_8h.html#a2cf1c3f67e168aee4fe9c184c9809307">NB_Init</a> (void)</td></tr>
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<tr class="memitem:aeb899bf88fe84dd61c113b850c2f0a2d"><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="nb__bc35_8h.html#aeb899bf88fe84dd61c113b850c2f0a2d">NB_RxMsgHandler</a> (<a class="el" href="c__types_8h.html#adde6aaee8457bee49c2a92621fe22b79">uint8</a> *nb_msg)</td></tr>
<tr class="memdesc:aeb899bf88fe84dd61c113b850c2f0a2d"><td class="mdescLeft"> </td><td class="mdescRight">NB消息处理函数 <a href="#aeb899bf88fe84dd61c113b850c2f0a2d">更多...</a><br/></td></tr>
<tr class="separator:aeb899bf88fe84dd61c113b850c2f0a2d"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:a939b06c46f4df8afd26146bd0ab3b52e"><td class="memItemLeft" align="right" valign="top">int </td><td class="memItemRight" valign="bottom"><a class="el" href="nb__bc35_8h.html#a939b06c46f4df8afd26146bd0ab3b52e">str_to_hex</a> (const char *bufin, int len, char *bufout)</td></tr>
<tr class="memdesc:a939b06c46f4df8afd26146bd0ab3b52e"><td class="mdescLeft"> </td><td class="mdescRight">将十六进制码流转换为字符串形式 <a href="#a939b06c46f4df8afd26146bd0ab3b52e">更多...</a><br/></td></tr>
<tr class="separator:a939b06c46f4df8afd26146bd0ab3b52e"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:a92a5da3881361b82c28d238d0c1c4ef8"><td class="memItemLeft" align="right" valign="top"><a class="el" href="c__types_8h.html#ab1967d8591af1a4e48c37fd2b0f184d0">int32_t</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="nb__bc35_8h.html#a92a5da3881361b82c28d238d0c1c4ef8">nb_set_cdpserver</a> (char *host, char *port)</td></tr>
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<tr class="memitem:a40ebdfc0654e618ad5c9407b6aba1c7a"><td class="memItemLeft" align="right" valign="top"><a class="el" href="c__types_8h.html#ab1967d8591af1a4e48c37fd2b0f184d0">int32_t</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="nb__bc35_8h.html#a40ebdfc0654e618ad5c9407b6aba1c7a">nb_hw_detect</a> (void)</td></tr>
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<tr class="memitem:ab2bd4578e4f75b4bf028d1945248d4da"><td class="memItemLeft" align="right" valign="top"><a class="el" href="c__types_8h.html#ab1967d8591af1a4e48c37fd2b0f184d0">int32_t</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="nb__bc35_8h.html#ab2bd4578e4f75b4bf028d1945248d4da">nb_get_netstat</a> (void)</td></tr>
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<tr class="memitem:ae39b6f8a879d340bc39c40ad4d25707b"><td class="memItemLeft" align="right" valign="top">int </td><td class="memItemRight" valign="bottom"><a class="el" href="nb__bc35_8h.html#ae39b6f8a879d340bc39c40ad4d25707b">nb_query_ip</a> (void)</td></tr>
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<tr class="memitem:a61ba1701b4bd53844085cb3fac0d0e80"><td class="memItemLeft" align="right" valign="top"><a class="el" href="c__types_8h.html#ab1967d8591af1a4e48c37fd2b0f184d0">int32_t</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="nb__bc35_8h.html#a61ba1701b4bd53844085cb3fac0d0e80">nb_send_payload</a> (const char *buf, int len)</td></tr>
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<tr class="memitem:a362a7b27988f93c4d83dd7157f5ede9e"><td class="memItemLeft" align="right" valign="top"><a class="el" href="c__types_8h.html#ab1967d8591af1a4e48c37fd2b0f184d0">int32_t</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="nb__bc35_8h.html#a362a7b27988f93c4d83dd7157f5ede9e">nb_check_csq</a> (void)</td></tr>
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<tr class="memitem:a920284c773a34a6633b0793831ca2381"><td class="memItemLeft" align="right" valign="top"><a class="el" href="c__types_8h.html#ab1967d8591af1a4e48c37fd2b0f184d0">int32_t</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="nb__bc35_8h.html#a920284c773a34a6633b0793831ca2381">nb_send_psk</a> (char *pskid, char *psk)</td></tr>
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<tr class="memitem:a9317a11d05e8f5e091469e171bce604c"><td class="memItemLeft" align="right" valign="top"><a class="el" href="c__types_8h.html#ab1967d8591af1a4e48c37fd2b0f184d0">int32_t</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="nb__bc35_8h.html#a9317a11d05e8f5e091469e171bce604c">nb_set_no_encrypt</a> (void)</td></tr>
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<tr class="memitem:a3ea588900690c8c61ae4973f9f059e86"><td class="memItemLeft" align="right" valign="top"><a class="el" href="c__types_8h.html#ab1967d8591af1a4e48c37fd2b0f184d0">int32_t</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="nb__bc35_8h.html#a3ea588900690c8c61ae4973f9f059e86">nb_reboot</a> (void)</td></tr>
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<tr class="memitem:af849b35d9b91f8484776997755da2112"><td class="memItemLeft" align="right" valign="top"><a class="el" href="c__types_8h.html#ab1967d8591af1a4e48c37fd2b0f184d0">int32_t</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="nb__bc35_8h.html#af849b35d9b91f8484776997755da2112">nb_recv_timeout</a> (<a class="el" href="c__types_8h.html#ab1967d8591af1a4e48c37fd2b0f184d0">int32_t</a> id, <a class="el" href="c__types_8h.html#aba7bc1797add20fe3efdf37ced1182c5">uint8_t</a> *buf, <a class="el" href="c__types_8h.html#a435d1572bf3f880d55459d9805097f62">uint32_t</a> len, char *ipaddr, int *port, <a class="el" href="c__types_8h.html#ab1967d8591af1a4e48c37fd2b0f184d0">int32_t</a> timeout)</td></tr>
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<tr class="memitem:a3431e1336cc80a89c10e8b66e9977e93"><td class="memItemLeft" align="right" valign="top"><a class="el" href="c__types_8h.html#ab1967d8591af1a4e48c37fd2b0f184d0">int32_t</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="nb__bc35_8h.html#a3431e1336cc80a89c10e8b66e9977e93">nb_cmd_match</a> (const char *buf, char *featurestr, int len)</td></tr>
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<tr class="memitem:a9ebe6c546f67a1846ca6b24ab9c5c460"><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="nb__bc35_8h.html#a9ebe6c546f67a1846ca6b24ab9c5c460">nb_step</a> (void)</td></tr>
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<tr class="memitem:afb5085d087dbbc6df19f515afe5bc6bd"><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="nb__bc35_8h.html#afb5085d087dbbc6df19f515afe5bc6bd">nb_reattach</a> (void)</td></tr>
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</table>
<a name="details" id="details"></a><h2 class="groupheader">详细描述</h2>
<div class="textblock"><hr/>
<dl class="section author"><dt>作者</dt><dd>Gump </dd></dl>
<dl class="section version"><dt>版本</dt><dd>V0.1 </dd></dl>
<dl class="section date"><dt>日期</dt><dd>2020-01-29 </dd></dl>
<dl class="section copyright"><dt>版权所有</dt><dd>Copyright (c) <2020> <HANSHAN NORMAL UNIVERSITY(CHAOZHOU)> All rights Reserved. Media Recognition and Intelligent System Team</dd></dl>
<hr/>
</div><h2 class="groupheader">宏定义说明</h2>
<a class="anchor" id="a8d1152fd5720304d3e44fa2101541f03"></a>
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<td class="memname">#define AT_MODU_NAME   "nb_neul95"</td>
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</table>
</div><div class="memdoc">
</div>
</div>
<a class="anchor" id="af0651b26f59b22f014ef8b9b42b2ed05"></a>
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<div class="memproto">
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<td class="memname">#define AT_NB_OPEN_RF   "AT+CFUN=1\r"</td>
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<a class="anchor" id="ac5d2ee5af7efada9c1703451ef038790"></a>
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<td class="memname">#define AT_NB_CLOSE_PSM   "AT+CPSMS=0\r"</td>
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<td class="memname">#define AT_NB_CLOSE_EDRX   "AT+CEDRXS=0,5\r"</td>
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</div>
<a class="anchor" id="a53b06833e6fc79828555ea7bbeb2278f"></a>
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<div class="memproto">
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<td class="memname">#define AT_NB_CGATT_ATTACH   "AT+<a class="el" href="nb__bc35_8h.html#a9a2068bff818d36fedd0be3b4dc67a82">CGATT</a>=1\r"</td>
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</table>
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</div>
</div>
<a class="anchor" id="aa55fd8c8f8e1e5f62839e8f9f8ed2458"></a>
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<td class="memname">#define AT_NB_REPORT_PREFIX   "AT+NMGS="</td>
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</div><div class="memdoc">
</div>
</div>
<a class="anchor" id="a2d324ffefa260f926d5eec6c15923869"></a>
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<td class="memname">#define AT_NB_LINE_END   "\r\n"</td>
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</div>
<a class="anchor" id="a114f0dbbfbfe9ce363fb1e8d4abfdbb6"></a>
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<td class="memname">#define AT_NB_reboot   "AT+NRB\r"</td>
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</div>
<a class="anchor" id="a94e318a85aa13f91043ab5ad676ac9fe"></a>
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<td class="memname">#define AT_NB_hw_detect   "AT+CFUN?\r"</td>
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</div>
<a class="anchor" id="ad3c390c89eba62a1d3444ab5ebbfcc4d"></a>
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<td class="memname">#define AT_NB_get_auto_connect   "AT+NCONFIG?\r"</td>
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</div><div class="memdoc">
</div>
</div>
<a class="anchor" id="a5250a1012848aa5fd350a61cd3d7f7e8"></a>
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<td class="memname">#define AT_CMD_PREFIX   "\r\n+NNMI:"</td>
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</div>
<a class="anchor" id="a3477930792c6a3ef6157f54c7974e9ce"></a>
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<td class="memname">#define AT_DATAF_PREFIX   "+NSONMI:"</td>
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</div>
<a class="anchor" id="a9a2068bff818d36fedd0be3b4dc67a82"></a>
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<td class="memname">#define CGATT   "AT+CGATT?\r"</td>
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</div>
<a class="anchor" id="af698941e62444eae3d3af0c726cb8440"></a>
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<td class="memname">#define CGATT_DEATTACH   "AT+<a class="el" href="nb__bc35_8h.html#a9a2068bff818d36fedd0be3b4dc67a82">CGATT</a>=0\r"</td>
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<a class="anchor" id="aa32caeb8581192d1d076801cf45ad2f5"></a>
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<td class="memname">#define AT_LINE_END   "\r\n"</td>
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<td class="memname">#define AT_CMD_BEGIN   "\r\n"</td>
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<td class="memname">#define AT_USART_PORT   3</td>
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<td class="memname">#define AT_BUARDRATE   9600</td>
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<td class="memname">#define AT_CMD_TIMEOUT   10000</td>
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<td class="memname">#define AT_MAX_LINK_NUM   4</td>
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<td class="memname">#define NB_STAT_LOCALPORT   56</td>
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<td class="memname">#define MAX_SOCK_NUM   5</td>
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<td class="memname">#define UDP_PROTO   17</td>
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<td class="memname">#define MAX_AT_USERDATA_LEN   (1024*5)</td>
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<td class="memname">#define AT_MAX_PAYLOADLEN   512</td>
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<h2 class="groupheader">函数说明</h2>
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<td class="memname">void NB_ReportData </td>
<td>(</td>
<td class="paramtype"><a class="el" href="c__types_8h.html#adde6aaee8457bee49c2a92621fe22b79">uint8</a> </td>
<td class="paramname"><em>mid</em>, </td>
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<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype"><a class="el" href="c__types_8h.html#adde6aaee8457bee49c2a92621fe22b79">uint8</a> * </td>
<td class="paramname"><em>data_str</em> </td>
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<td>)</td>
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<p>上报数据到云端 </p>
<dl class="section user"><dt>AT Command</dt><dd>AT+NMGS=数据长度,内容</dd></dl>
<p>例如：当编解码插件中的messageId为0x11时，</p>
<ul>
<li>发送0、1两个数据：AT+NMGS=03,110001</li>
<li>发送9、10、11、16、17、32、33七个数据：AT+NMGS=08,11090A0B10112021</li>
</ul>
<dl class="section note"><dt>注解</dt><dd>上报数据的格式需要与IoT平台的“编解码插件”的解码顺序一致，不然上报的数据无法正确解析</dd></dl>
<dl class="params"><dt>参数</dt><dd>
<table class="params">
<tr><td class="paramdir">[in]</td><td class="paramname">data_str</td><td>需要上报的十六进制数据字符串 </td></tr>
</table>
</dd>
</dl>
<div class="fragment"><div class="line"><a name="l00042"></a><span class="lineno"> 42</span>  {</div>
<div class="line"><a name="l00043"></a><span class="lineno"> 43</span>  </div>
<div class="line"><a name="l00044"></a><span class="lineno"> 44</span>  <a class="code" href="c__types_8h.html#adde6aaee8457bee49c2a92621fe22b79">uint8</a> report_buf[128];</div>
<div class="line"><a name="l00045"></a><span class="lineno"> 45</span> </div>
<div class="line"><a name="l00046"></a><span class="lineno"> 46</span>  <span class="comment">/* 因为数据字符串是十六进制的，两个字符表示一个十六进制数，故数据长度为os_strlen(data_str)/2 */</span></div>
<div class="line"><a name="l00047"></a><span class="lineno"> 47</span>  <a class="code" href="osapi_8h.html#abe2ddcec42d14500c2706362e9f732e8">os_sprintf</a>(report_buf, <a class="code" href="nb__bc35_8h.html#aa55fd8c8f8e1e5f62839e8f9f8ed2458">AT_NB_REPORT_PREFIX</a> <span class="stringliteral">"%02d,%02X%s"</span> , <a class="code" href="osapi_8h.html#a07564f20970de543cfa55b055d1f6dfe">os_strlen</a>(data_str)/2 + 1, mid, data_str );</div>
<div class="line"><a name="l00048"></a><span class="lineno"> 48</span> </div>
<div class="line"><a name="l00049"></a><span class="lineno"> 49</span>  <a class="code" href="nb__bc35_8c.html#a566469396821ae4c881b7b558204f68f">NB_SendCmd</a>(report_buf, <a class="code" href="osapi_8h.html#a07564f20970de543cfa55b055d1f6dfe">os_strlen</a>(report_buf), <a class="code" href="c__types_8h.html#a070d2ce7b6bb7e5c05602aa8c308d0c4">NULL</a>);</div>
<div class="line"><a name="l00050"></a><span class="lineno"> 50</span> </div>
<div class="line"><a name="l00051"></a><span class="lineno"> 51</span> }</div>
<div class="ttc" id="osapi_8h_html_abe2ddcec42d14500c2706362e9f732e8"><div class="ttname"><a href="osapi_8h.html#abe2ddcec42d14500c2706362e9f732e8">os_sprintf</a></div><div class="ttdeci">#define os_sprintf</div><div class="ttdef"><b>Definition:</b> osapi.h:54</div></div>
<div class="ttc" id="nb__bc35_8c_html_a566469396821ae4c881b7b558204f68f"><div class="ttname"><a href="nb__bc35_8c.html#a566469396821ae4c881b7b558204f68f">NB_SendCmd</a></div><div class="ttdeci">void NB_SendCmd(uint8 *cmd, uint8 cmd_len, uint8 *res_msg)</div><div class="ttdoc">向NB模组发送指令 </div><div class="ttdef"><b>Definition:</b> nb_bc35.c:70</div></div>
<div class="ttc" id="osapi_8h_html_a07564f20970de543cfa55b055d1f6dfe"><div class="ttname"><a href="osapi_8h.html#a07564f20970de543cfa55b055d1f6dfe">os_strlen</a></div><div class="ttdeci">#define os_strlen</div><div class="ttdef"><b>Definition:</b> osapi.h:43</div></div>
<div class="ttc" id="c__types_8h_html_adde6aaee8457bee49c2a92621fe22b79"><div class="ttname"><a href="c__types_8h.html#adde6aaee8457bee49c2a92621fe22b79">uint8</a></div><div class="ttdeci">unsigned char uint8</div><div class="ttdef"><b>Definition:</b> c_types.h:43</div></div>
<div class="ttc" id="c__types_8h_html_a070d2ce7b6bb7e5c05602aa8c308d0c4"><div class="ttname"><a href="c__types_8h.html#a070d2ce7b6bb7e5c05602aa8c308d0c4">NULL</a></div><div class="ttdeci">#define NULL</div><div class="ttdef"><b>Definition:</b> c_types.h:73</div></div>
<div class="ttc" id="nb__bc35_8h_html_aa55fd8c8f8e1e5f62839e8f9f8ed2458"><div class="ttname"><a href="nb__bc35_8h.html#aa55fd8c8f8e1e5f62839e8f9f8ed2458">AT_NB_REPORT_PREFIX</a></div><div class="ttdeci">#define AT_NB_REPORT_PREFIX</div><div class="ttdef"><b>Definition:</b> nb_bc35.h:34</div></div>
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函数调用图:</div>
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<div class="center"><img src="nb__bc35_8h_a400010e7ae3dbd0f364708d1cefb648f_cgraph.png" border="0" usemap="#nb__bc35_8h_a400010e7ae3dbd0f364708d1cefb648f_cgraph" alt=""/></div>
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<area shape="rect" id="node2" href="nb__bc35_8c.html#a566469396821ae4c881b7b558204f68f" title="向NB模组发送指令 " alt="" coords="165,5,269,32"/><area shape="rect" id="node3" href="driver_2uart_8h.html#a279da46b2371c1ec768cde7e525725f2" title="uart1_tx_buffer" alt="" coords="317,5,424,32"/><area shape="rect" id="node4" href="uart_8c.html#a40bca7ca9b269f93bc9f17924a38fbe0" title="uart_tx_one_char" alt="" coords="472,5,595,32"/></map>
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这是这个函数的调用关系图:</div>
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<div class="center"><img src="nb__bc35_8h_a400010e7ae3dbd0f364708d1cefb648f_icgraph.png" border="0" usemap="#nb__bc35_8h_a400010e7ae3dbd0f364708d1cefb648f_icgraph" alt=""/></div>
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<td class="memname">void NB_SendCmd </td>
<td>(</td>
<td class="paramtype"><a class="el" href="c__types_8h.html#adde6aaee8457bee49c2a92621fe22b79">uint8</a> * </td>
<td class="paramname"><em>cmd</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype"><a class="el" href="c__types_8h.html#adde6aaee8457bee49c2a92621fe22b79">uint8</a> </td>
<td class="paramname"><em>cmd_len</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype"><a class="el" href="c__types_8h.html#adde6aaee8457bee49c2a92621fe22b79">uint8</a> * </td>
<td class="paramname"><em>res_msg</em> </td>
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<td></td>
<td>)</td>
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<p>向NB模组发送指令 </p>
<ol type="1">
<li>将指令通过串口发送给NB模组</li>
</ol>
<p>将响应消息复制到响应消息数组 response_msg[]</p>
<ol type="1">
<li>置位响应消息接收标志 response_flag。此标志位用于给串口消息处理函数 NB_RxMsgHandler 里的分支作判断，从而决定是否将接受的消息与响应消息作匹配。因为串口接收到的消息可能是云端 下发的指令，所以这里面加了这个标志位。</li>
</ol>
<dl class="params"><dt>参数</dt><dd>
<table class="params">
<tr><td class="paramdir">[in]</td><td class="paramname">cmd</td><td>要发送的指令字符串 </td></tr>
<tr><td class="paramdir">[in]</td><td class="paramname">cmd_len</td><td>指令字符串长度 </td></tr>
<tr><td class="paramdir">[in]</td><td class="paramname">res_msg</td><td>期望接收到的响应消息，参见NB模组的AT指令参考手册</td></tr>
</table>
</dd>
</dl>
<dl class="todo"><dt><b><a class="el" href="todo.html#_todo000002">待办事项:</a></b></dt><dd>增加对查询指令返回的查询结果信息的处理。将采用匹配消息头和存储消息体的方法。</dd></dl>
<div class="fragment"><div class="line"><a name="l00070"></a><span class="lineno"> 70</span>  {</div>
<div class="line"><a name="l00071"></a><span class="lineno"> 71</span> </div>
<div class="line"><a name="l00072"></a><span class="lineno"> 72</span>  <a class="code" href="c__types_8h.html#adde6aaee8457bee49c2a92621fe22b79">uint8</a> at_cmd[128];</div>
<div class="line"><a name="l00073"></a><span class="lineno"> 73</span> </div>
<div class="line"><a name="l00074"></a><span class="lineno"> 74</span>  <a class="code" href="osapi_8h.html#a751d204d0c7e166a527475d79e803454">os_printf</a>(<span class="stringliteral">"MCU >>>>>> NB : %s\n"</span>, cmd);</div>
<div class="line"><a name="l00075"></a><span class="lineno"> 75</span> </div>
<div class="line"><a name="l00076"></a><span class="lineno"> 76</span>  <span class="comment">/* 这里在命令前面加上 AT_CMD_BEGIN 是为了清除掉NB模块中可能存在的消息缓存 */</span></div>
<div class="line"><a name="l00077"></a><span class="lineno"> 77</span>  <span class="comment">/* 若是在调用该函数前NB模块中缓存了一些“意料之外”的消息，这时发送的指令会连同前面的消息</span></div>
<div class="line"><a name="l00078"></a><span class="lineno"> 78</span> <span class="comment"> 一同被NB模块解析，结果必然出错。所以在每次发送消息前加上了 AT_CMD_BEGIN */</span></div>
<div class="line"><a name="l00079"></a><span class="lineno"> 79</span>  <a class="code" href="osapi_8h.html#abe2ddcec42d14500c2706362e9f732e8">os_sprintf</a>(at_cmd, <a class="code" href="nb__bc35_8h.html#a1aa9f916961c8547818a6354f61b4b15">AT_CMD_BEGIN</a> <span class="stringliteral">"%s"</span> <a class="code" href="nb__bc35_8h.html#aa32caeb8581192d1d076801cf45ad2f5">AT_LINE_END</a>, cmd);</div>
<div class="line"><a name="l00080"></a><span class="lineno"> 80</span>  <a class="code" href="driver_2uart_8h.html#a279da46b2371c1ec768cde7e525725f2">uart1_tx_buffer</a>(at_cmd, cmd_len+2);</div>
<div class="line"><a name="l00081"></a><span class="lineno"> 81</span> </div>
<div class="line"><a name="l00082"></a><span class="lineno"> 82</span>  <span class="comment">/* 拷贝响应消息到响应消息数组并置位响应标志位，等待串口串接收中断调用 */</span></div>
<div class="line"><a name="l00083"></a><span class="lineno"> 83</span> </div>
<div class="line"><a name="l00084"></a><span class="lineno"> 84</span>  <span class="keywordflow">if</span> (res_msg != <a class="code" href="c__types_8h.html#a070d2ce7b6bb7e5c05602aa8c308d0c4">NULL</a>) { </div>
<div class="line"><a name="l00085"></a><span class="lineno"> 85</span>  <a class="code" href="osapi_8h.html#ac5c79bf463c8eba708ea34fccc8ec7c1">os_memcpy</a>(<a class="code" href="nb__bc35_8c.html#a54bb5bc6dc3de1c3aced6e63dfa6b481">response_msg</a>, res_msg, <span class="keyword">sizeof</span>(res_msg));</div>
<div class="line"><a name="l00086"></a><span class="lineno"> 86</span>  <a class="code" href="osapi_8h.html#a751d204d0c7e166a527475d79e803454">os_printf</a>(<span class="stringliteral">"response_msg is %s\n"</span>, <a class="code" href="nb__bc35_8c.html#a54bb5bc6dc3de1c3aced6e63dfa6b481">response_msg</a>);</div>
<div class="line"><a name="l00087"></a><span class="lineno"> 87</span>  <a class="code" href="nb__bc35_8c.html#ae5899d940be94e4e73d8eb45011167f1">response_flag</a> = 1;</div>
<div class="line"><a name="l00088"></a><span class="lineno"> 88</span>  }</div>
<div class="line"><a name="l00089"></a><span class="lineno"> 89</span> </div>
<div class="line"><a name="l00090"></a><span class="lineno"> 90</span> }</div>
<div class="ttc" id="osapi_8h_html_abe2ddcec42d14500c2706362e9f732e8"><div class="ttname"><a href="osapi_8h.html#abe2ddcec42d14500c2706362e9f732e8">os_sprintf</a></div><div class="ttdeci">#define os_sprintf</div><div class="ttdef"><b>Definition:</b> osapi.h:54</div></div>
<div class="ttc" id="driver_2uart_8h_html_a279da46b2371c1ec768cde7e525725f2"><div class="ttname"><a href="driver_2uart_8h.html#a279da46b2371c1ec768cde7e525725f2">uart1_tx_buffer</a></div><div class="ttdeci">void uart1_tx_buffer(uint8 *buf, uint16 len)</div><div class="ttdef"><b>Definition:</b> uart.c:214</div></div>
<div class="ttc" id="nb__bc35_8c_html_a54bb5bc6dc3de1c3aced6e63dfa6b481"><div class="ttname"><a href="nb__bc35_8c.html#a54bb5bc6dc3de1c3aced6e63dfa6b481">response_msg</a></div><div class="ttdeci">uint8 response_msg[128]</div><div class="ttdef"><b>Definition:</b> nb_bc35.c:23</div></div>
<div class="ttc" id="nb__bc35_8c_html_ae5899d940be94e4e73d8eb45011167f1"><div class="ttname"><a href="nb__bc35_8c.html#ae5899d940be94e4e73d8eb45011167f1">response_flag</a></div><div class="ttdeci">uint8 response_flag</div><div class="ttdef"><b>Definition:</b> nb_bc35.c:22</div></div>
<div class="ttc" id="osapi_8h_html_a751d204d0c7e166a527475d79e803454"><div class="ttname"><a href="osapi_8h.html#a751d204d0c7e166a527475d79e803454">os_printf</a></div><div class="ttdeci">#define os_printf</div><div class="ttdef"><b>Definition:</b> osapi.h:62</div></div>
<div class="ttc" id="osapi_8h_html_ac5c79bf463c8eba708ea34fccc8ec7c1"><div class="ttname"><a href="osapi_8h.html#ac5c79bf463c8eba708ea34fccc8ec7c1">os_memcpy</a></div><div class="ttdeci">#define os_memcpy</div><div class="ttdef"><b>Definition:</b> osapi.h:36</div></div>
<div class="ttc" id="c__types_8h_html_adde6aaee8457bee49c2a92621fe22b79"><div class="ttname"><a href="c__types_8h.html#adde6aaee8457bee49c2a92621fe22b79">uint8</a></div><div class="ttdeci">unsigned char uint8</div><div class="ttdef"><b>Definition:</b> c_types.h:43</div></div>
<div class="ttc" id="nb__bc35_8h_html_a1aa9f916961c8547818a6354f61b4b15"><div class="ttname"><a href="nb__bc35_8h.html#a1aa9f916961c8547818a6354f61b4b15">AT_CMD_BEGIN</a></div><div class="ttdeci">#define AT_CMD_BEGIN</div><div class="ttdef"><b>Definition:</b> nb_bc35.h:47</div></div>
<div class="ttc" id="c__types_8h_html_a070d2ce7b6bb7e5c05602aa8c308d0c4"><div class="ttname"><a href="c__types_8h.html#a070d2ce7b6bb7e5c05602aa8c308d0c4">NULL</a></div><div class="ttdeci">#define NULL</div><div class="ttdef"><b>Definition:</b> c_types.h:73</div></div>
<div class="ttc" id="nb__bc35_8h_html_aa32caeb8581192d1d076801cf45ad2f5"><div class="ttname"><a href="nb__bc35_8h.html#aa32caeb8581192d1d076801cf45ad2f5">AT_LINE_END</a></div><div class="ttdeci">#define AT_LINE_END</div><div class="ttdef"><b>Definition:</b> nb_bc35.h:46</div></div>
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<p><div class="dynheader">
函数调用图:</div>
<div class="dyncontent">
<div class="center"><img src="nb__bc35_8h_a8692a2f7ec697730968b4bc50e99332d_cgraph.png" border="0" usemap="#nb__bc35_8h_a8692a2f7ec697730968b4bc50e99332d_cgraph" alt=""/></div>
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<p><div class="dynheader">
这是这个函数的调用关系图:</div>
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<td class="memname">void NB_ResponseTimerCb </td>
<td>(</td>
<td class="paramtype">void * </td>
<td class="paramname"><em>arg</em></td><td>)</td>
<td></td>
</tr>
</table>
</div><div class="memdoc">
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<td class="memname">void NB_Init </td>
<td>(</td>
<td class="paramtype">void </td>
<td class="paramname"></td><td>)</td>
<td></td>
</tr>
</table>
</div><div class="memdoc">
<div class="fragment"><div class="line"><a name="l00140"></a><span class="lineno"> 140</span>  { </div>
<div class="line"><a name="l00141"></a><span class="lineno"> 141</span> </div>
<div class="line"><a name="l00142"></a><span class="lineno"> 142</span>  <span class="keyword">static</span> <a class="code" href="c__types_8h.html#adde6aaee8457bee49c2a92621fe22b79">uint8</a> cmd_order = 1;</div>
<div class="line"><a name="l00143"></a><span class="lineno"> 143</span> </div>
<div class="line"><a name="l00144"></a><span class="lineno"> 144</span>  <a class="code" href="driver_2uart_8h.html#af5b6deb2bb0cd122c3384bf552dd121c">ESP_DEBUG</a>(<span class="stringliteral">"cmd_order = %d"</span>, cmd_order);</div>
<div class="line"><a name="l00145"></a><span class="lineno"> 145</span> </div>
<div class="line"><a name="l00146"></a><span class="lineno"> 146</span>  <span class="keywordflow">switch</span> (cmd_order) {</div>
<div class="line"><a name="l00147"></a><span class="lineno"> 147</span> </div>
<div class="line"><a name="l00148"></a><span class="lineno"> 148</span>  <span class="keywordflow">case</span> 0:</div>
<div class="line"><a name="l00149"></a><span class="lineno"> 149</span>  <a class="code" href="nb__bc35_8c.html#a566469396821ae4c881b7b558204f68f">NB_SendCmd</a>(<span class="stringliteral">""</span>, 1, <span class="stringliteral">"OK"</span>);</div>
<div class="line"><a name="l00150"></a><span class="lineno"> 150</span>  cmd_order = 1;</div>
<div class="line"><a name="l00151"></a><span class="lineno"> 151</span>  <span class="keywordflow">break</span>;</div>
<div class="line"><a name="l00152"></a><span class="lineno"> 152</span>  <span class="keywordflow">case</span> 1:</div>
<div class="line"><a name="l00153"></a><span class="lineno"> 153</span>  <a class="code" href="nb__bc35_8c.html#a566469396821ae4c881b7b558204f68f">NB_SendCmd</a>(<span class="stringliteral">"AT"</span>, <a class="code" href="osapi_8h.html#a07564f20970de543cfa55b055d1f6dfe">os_strlen</a>(<span class="stringliteral">"AT"</span>), <span class="stringliteral">"OK"</span>);</div>
<div class="line"><a name="l00154"></a><span class="lineno"> 154</span>  cmd_order = 2;</div>
<div class="line"><a name="l00155"></a><span class="lineno"> 155</span>  <span class="keywordflow">break</span>;</div>
<div class="line"><a name="l00156"></a><span class="lineno"> 156</span>  <span class="keywordflow">case</span> 2:</div>
<div class="line"><a name="l00157"></a><span class="lineno"> 157</span>  <a class="code" href="nb__bc35_8c.html#a566469396821ae4c881b7b558204f68f">NB_SendCmd</a>(<a class="code" href="nb__bc35_8h.html#af0651b26f59b22f014ef8b9b42b2ed05">AT_NB_OPEN_RF</a>, <a class="code" href="osapi_8h.html#a07564f20970de543cfa55b055d1f6dfe">os_strlen</a>(<a class="code" href="nb__bc35_8h.html#af0651b26f59b22f014ef8b9b42b2ed05">AT_NB_OPEN_RF</a>), <span class="stringliteral">"OK"</span>);</div>
<div class="line"><a name="l00158"></a><span class="lineno"> 158</span>  cmd_order = 3;</div>
<div class="line"><a name="l00159"></a><span class="lineno"> 159</span>  <span class="keywordflow">break</span>;</div>
<div class="line"><a name="l00160"></a><span class="lineno"> 160</span>  <span class="keywordflow">case</span> 3:</div>
<div class="line"><a name="l00161"></a><span class="lineno"> 161</span>  <a class="code" href="nb__bc35_8c.html#a566469396821ae4c881b7b558204f68f">NB_SendCmd</a>(<a class="code" href="nb__bc35_8h.html#ac5d2ee5af7efada9c1703451ef038790">AT_NB_CLOSE_PSM</a>, <a class="code" href="osapi_8h.html#a07564f20970de543cfa55b055d1f6dfe">os_strlen</a>(<a class="code" href="nb__bc35_8h.html#ac5d2ee5af7efada9c1703451ef038790">AT_NB_CLOSE_PSM</a>), <span class="stringliteral">"OK"</span>);</div>
<div class="line"><a name="l00162"></a><span class="lineno"> 162</span>  cmd_order = 4;</div>
<div class="line"><a name="l00163"></a><span class="lineno"> 163</span>  <span class="keywordflow">break</span>;</div>
<div class="line"><a name="l00164"></a><span class="lineno"> 164</span>  <span class="keywordflow">case</span> 4:</div>
<div class="line"><a name="l00165"></a><span class="lineno"> 165</span>  <a class="code" href="nb__bc35_8c.html#a566469396821ae4c881b7b558204f68f">NB_SendCmd</a>(<a class="code" href="nb__bc35_8h.html#aa687010bde7f90377faee82786b2395b">AT_NB_CLOSE_EDRX</a>, <a class="code" href="osapi_8h.html#a07564f20970de543cfa55b055d1f6dfe">os_strlen</a>(<a class="code" href="nb__bc35_8h.html#aa687010bde7f90377faee82786b2395b">AT_NB_CLOSE_EDRX</a>), <span class="stringliteral">"OK"</span>);</div>
<div class="line"><a name="l00166"></a><span class="lineno"> 166</span>  cmd_order = 5;</div>
<div class="line"><a name="l00167"></a><span class="lineno"> 167</span>  <span class="keywordflow">break</span>;</div>
<div class="line"><a name="l00168"></a><span class="lineno"> 168</span>  <span class="keywordflow">case</span> 5:</div>
<div class="line"><a name="l00169"></a><span class="lineno"> 169</span>  <a class="code" href="nb__bc35_8c.html#a566469396821ae4c881b7b558204f68f">NB_SendCmd</a>(<a class="code" href="nb__bc35_8h.html#a53b06833e6fc79828555ea7bbeb2278f">AT_NB_CGATT_ATTACH</a>, <a class="code" href="osapi_8h.html#a07564f20970de543cfa55b055d1f6dfe">os_strlen</a>(<a class="code" href="nb__bc35_8h.html#a53b06833e6fc79828555ea7bbeb2278f">AT_NB_CGATT_ATTACH</a>), <span class="stringliteral">"OK"</span>);</div>
<div class="line"><a name="l00170"></a><span class="lineno"> 170</span>  cmd_order = 10;</div>
<div class="line"><a name="l00171"></a><span class="lineno"> 171</span>  <span class="keywordflow">break</span>;</div>
<div class="line"><a name="l00172"></a><span class="lineno"> 172</span>  <span class="keywordflow">case</span> 6:</div>
<div class="line"><a name="l00173"></a><span class="lineno"> 173</span>  <a class="code" href="nb__bc35_8c.html#a566469396821ae4c881b7b558204f68f">NB_SendCmd</a>(<a class="code" href="nb__bc35_8h.html#af0651b26f59b22f014ef8b9b42b2ed05">AT_NB_OPEN_RF</a>, <a class="code" href="osapi_8h.html#a07564f20970de543cfa55b055d1f6dfe">os_strlen</a>(<a class="code" href="nb__bc35_8h.html#af0651b26f59b22f014ef8b9b42b2ed05">AT_NB_OPEN_RF</a>), <span class="stringliteral">"OK"</span>);</div>
<div class="line"><a name="l00174"></a><span class="lineno"> 174</span>  <a class="code" href="nb__bc35_8c.html#a566469396821ae4c881b7b558204f68f">NB_SendCmd</a>(<span class="stringliteral">"AT"</span>, <a class="code" href="osapi_8h.html#a07564f20970de543cfa55b055d1f6dfe">os_strlen</a>(<span class="stringliteral">"AT"</span>), <span class="stringliteral">"OK"</span>);</div>
<div class="line"><a name="l00175"></a><span class="lineno"> 175</span>  cmd_order = 6;</div>
<div class="line"><a name="l00176"></a><span class="lineno"> 176</span>  <span class="keywordflow">break</span>;</div>
<div class="line"><a name="l00177"></a><span class="lineno"> 177</span>  <span class="keywordflow">default</span>:</div>
<div class="line"><a name="l00178"></a><span class="lineno"> 178</span>  <span class="keywordflow">break</span>;</div>
<div class="line"><a name="l00179"></a><span class="lineno"> 179</span>  }</div>
<div class="line"><a name="l00180"></a><span class="lineno"> 180</span> </div>
<div class="line"><a name="l00181"></a><span class="lineno"> 181</span> }</div>
<div class="ttc" id="nb__bc35_8c_html_a566469396821ae4c881b7b558204f68f"><div class="ttname"><a href="nb__bc35_8c.html#a566469396821ae4c881b7b558204f68f">NB_SendCmd</a></div><div class="ttdeci">void NB_SendCmd(uint8 *cmd, uint8 cmd_len, uint8 *res_msg)</div><div class="ttdoc">向NB模组发送指令 </div><div class="ttdef"><b>Definition:</b> nb_bc35.c:70</div></div>
<div class="ttc" id="driver_2uart_8h_html_af5b6deb2bb0cd122c3384bf552dd121c"><div class="ttname"><a href="driver_2uart_8h.html#af5b6deb2bb0cd122c3384bf552dd121c">ESP_DEBUG</a></div><div class="ttdeci">#define ESP_DEBUG(fmt,...)</div><div class="ttdef"><b>Definition:</b> driver/uart.h:35</div></div>
<div class="ttc" id="osapi_8h_html_a07564f20970de543cfa55b055d1f6dfe"><div class="ttname"><a href="osapi_8h.html#a07564f20970de543cfa55b055d1f6dfe">os_strlen</a></div><div class="ttdeci">#define os_strlen</div><div class="ttdef"><b>Definition:</b> osapi.h:43</div></div>
<div class="ttc" id="nb__bc35_8h_html_aa687010bde7f90377faee82786b2395b"><div class="ttname"><a href="nb__bc35_8h.html#aa687010bde7f90377faee82786b2395b">AT_NB_CLOSE_EDRX</a></div><div class="ttdeci">#define AT_NB_CLOSE_EDRX</div><div class="ttdef"><b>Definition:</b> nb_bc35.h:32</div></div>
<div class="ttc" id="c__types_8h_html_adde6aaee8457bee49c2a92621fe22b79"><div class="ttname"><a href="c__types_8h.html#adde6aaee8457bee49c2a92621fe22b79">uint8</a></div><div class="ttdeci">unsigned char uint8</div><div class="ttdef"><b>Definition:</b> c_types.h:43</div></div>
<div class="ttc" id="nb__bc35_8h_html_af0651b26f59b22f014ef8b9b42b2ed05"><div class="ttname"><a href="nb__bc35_8h.html#af0651b26f59b22f014ef8b9b42b2ed05">AT_NB_OPEN_RF</a></div><div class="ttdeci">#define AT_NB_OPEN_RF</div><div class="ttdef"><b>Definition:</b> nb_bc35.h:30</div></div>
<div class="ttc" id="nb__bc35_8h_html_a53b06833e6fc79828555ea7bbeb2278f"><div class="ttname"><a href="nb__bc35_8h.html#a53b06833e6fc79828555ea7bbeb2278f">AT_NB_CGATT_ATTACH</a></div><div class="ttdeci">#define AT_NB_CGATT_ATTACH</div><div class="ttdef"><b>Definition:</b> nb_bc35.h:33</div></div>
<div class="ttc" id="nb__bc35_8h_html_ac5d2ee5af7efada9c1703451ef038790"><div class="ttname"><a href="nb__bc35_8h.html#ac5d2ee5af7efada9c1703451ef038790">AT_NB_CLOSE_PSM</a></div><div class="ttdeci">#define AT_NB_CLOSE_PSM</div><div class="ttdef"><b>Definition:</b> nb_bc35.h:31</div></div>
</div><!-- fragment -->
<p><div class="dynheader">
函数调用图:</div>
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<div class="center"><img src="nb__bc35_8h_a2cf1c3f67e168aee4fe9c184c9809307_cgraph.png" border="0" usemap="#nb__bc35_8h_a2cf1c3f67e168aee4fe9c184c9809307_cgraph" alt=""/></div>
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<area shape="rect" id="node2" href="nb__bc35_8c.html#a566469396821ae4c881b7b558204f68f" title="向NB模组发送指令 " alt="" coords="117,5,221,32"/><area shape="rect" id="node3" href="driver_2uart_8h.html#a279da46b2371c1ec768cde7e525725f2" title="uart1_tx_buffer" alt="" coords="269,5,376,32"/><area shape="rect" id="node4" href="uart_8c.html#a40bca7ca9b269f93bc9f17924a38fbe0" title="uart_tx_one_char" alt="" coords="424,5,547,32"/></map>
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</p>
<p><div class="dynheader">
这是这个函数的调用关系图:</div>
<div class="dyncontent">
<div class="center"><img src="nb__bc35_8h_a2cf1c3f67e168aee4fe9c184c9809307_icgraph.png" border="0" usemap="#nb__bc35_8h_a2cf1c3f67e168aee4fe9c184c9809307_icgraph" alt=""/></div>
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<td class="memname">void NB_RxMsgHandler </td>
<td>(</td>
<td class="paramtype"><a class="el" href="c__types_8h.html#adde6aaee8457bee49c2a92621fe22b79">uint8</a> * </td>
<td class="paramname"><em>nb_msg</em></td><td>)</td>
<td></td>
</tr>
</table>
</div><div class="memdoc">
<p>NB消息处理函数 </p>
<p>NB消息有以下几种类型：</p>
<ul>
<li>动作指令的执行情况。如“OK”、“ERROR”</li>
<li>查询指令的查询结果</li>
</ul>
<p>云端下发的控制命令。以“+NNMI:”为前缀</p>
<p>当NB发送消息来的时候，我们先判断在接收到这条消息之前有没有发送过指令，即判断响应标志位 response_flag是否被置位，再决定是否去匹配响应消息。</p>
<dl class="params"><dt>参数</dt><dd>
<table class="params">
<tr><td class="paramdir">[in]</td><td class="paramname">nb_msg</td><td>串口接收到的NB消息 </td></tr>
</table>
</dd>
</dl>
<div class="fragment"><div class="line"><a name="l00106"></a><span class="lineno"> 106</span>  {</div>
<div class="line"><a name="l00107"></a><span class="lineno"> 107</span> </div>
<div class="line"><a name="l00108"></a><span class="lineno"> 108</span>  <span class="keywordflow">if</span> (<a class="code" href="nb__bc35_8c.html#ae5899d940be94e4e73d8eb45011167f1">response_flag</a> != 0 ) { <span class="comment">/* 等待响应匹配 */</span></div>
<div class="line"><a name="l00109"></a><span class="lineno"> 109</span> </div>
<div class="line"><a name="l00110"></a><span class="lineno"> 110</span>  <a class="code" href="driver_2uart_8h.html#af5b6deb2bb0cd122c3384bf552dd121c">ESP_DEBUG</a>(<span class="stringliteral">"response_flag = 1"</span>);</div>
<div class="line"><a name="l00111"></a><span class="lineno"> 111</span>  </div>
<div class="line"><a name="l00112"></a><span class="lineno"> 112</span>  <span class="keywordflow">if</span> (0 != <a class="code" href="osapi_8h.html#a51bc56747f146b58e4bbbef0f4b62230">os_strstr</a>(nb_msg, <a class="code" href="nb__bc35_8c.html#a54bb5bc6dc3de1c3aced6e63dfa6b481">response_msg</a>)) {</div>
<div class="line"><a name="l00113"></a><span class="lineno"> 113</span> </div>
<div class="line"><a name="l00114"></a><span class="lineno"> 114</span>  <a class="code" href="driver_2uart_8h.html#af5b6deb2bb0cd122c3384bf552dd121c">ESP_DEBUG</a>(<span class="stringliteral">"OK! response message parse!"</span>);</div>
<div class="line"><a name="l00115"></a><span class="lineno"> 115</span> </div>
<div class="line"><a name="l00116"></a><span class="lineno"> 116</span>  <a class="code" href="osapi_8h.html#a8b6e05160473ebb1f7f87ca232f87c7b">os_memset</a>(<a class="code" href="nb__bc35_8c.html#a54bb5bc6dc3de1c3aced6e63dfa6b481">response_msg</a>, 0, <span class="keyword">sizeof</span>(<a class="code" href="nb__bc35_8c.html#a54bb5bc6dc3de1c3aced6e63dfa6b481">response_msg</a>));</div>
<div class="line"><a name="l00117"></a><span class="lineno"> 117</span>  <a class="code" href="nb__bc35_8c.html#ae5899d940be94e4e73d8eb45011167f1">response_flag</a> = 0;</div>
<div class="line"><a name="l00118"></a><span class="lineno"> 118</span> </div>
<div class="line"><a name="l00119"></a><span class="lineno"> 119</span>  <a class="code" href="nb__bc35_8c.html#a2cf1c3f67e168aee4fe9c184c9809307">NB_Init</a>();</div>
<div class="line"><a name="l00120"></a><span class="lineno"> 120</span> </div>
<div class="line"><a name="l00121"></a><span class="lineno"> 121</span>  <span class="keywordflow">return</span>;</div>
<div class="line"><a name="l00122"></a><span class="lineno"> 122</span>  } <span class="keywordflow">else</span> {</div>
<div class="line"><a name="l00123"></a><span class="lineno"> 123</span> </div>
<div class="line"><a name="l00124"></a><span class="lineno"> 124</span>  <a class="code" href="driver_2uart_8h.html#af5b6deb2bb0cd122c3384bf552dd121c">ESP_DEBUG</a>(<span class="stringliteral">"ERROR! response message parse failed"</span>);</div>
<div class="line"><a name="l00125"></a><span class="lineno"> 125</span> </div>
<div class="line"><a name="l00126"></a><span class="lineno"> 126</span>  <span class="keywordflow">return</span>;</div>
<div class="line"><a name="l00127"></a><span class="lineno"> 127</span>  }</div>
<div class="line"><a name="l00128"></a><span class="lineno"> 128</span>  } <span class="keywordflow">else</span> {</div>
<div class="line"><a name="l00129"></a><span class="lineno"> 129</span> </div>
<div class="line"><a name="l00130"></a><span class="lineno"> 130</span>  <a class="code" href="driver_2uart_8h.html#af5b6deb2bb0cd122c3384bf552dd121c">ESP_DEBUG</a>(<span class="stringliteral">"response_flag = 0"</span>);</div>
<div class="line"><a name="l00131"></a><span class="lineno"> 131</span> </div>
<div class="line"><a name="l00132"></a><span class="lineno"> 132</span>  <span class="comment">/* 匹配下发消息前缀 */</span></div>
<div class="line"><a name="l00133"></a><span class="lineno"> 133</span> </div>
<div class="line"><a name="l00134"></a><span class="lineno"> 134</span>  <span class="comment">/* 命令下发 */</span></div>
<div class="line"><a name="l00135"></a><span class="lineno"> 135</span> </div>
<div class="line"><a name="l00136"></a><span class="lineno"> 136</span>  }</div>
<div class="line"><a name="l00137"></a><span class="lineno"> 137</span> </div>
<div class="line"><a name="l00138"></a><span class="lineno"> 138</span> }</div>
<div class="ttc" id="nb__bc35_8c_html_a54bb5bc6dc3de1c3aced6e63dfa6b481"><div class="ttname"><a href="nb__bc35_8c.html#a54bb5bc6dc3de1c3aced6e63dfa6b481">response_msg</a></div><div class="ttdeci">uint8 response_msg[128]</div><div class="ttdef"><b>Definition:</b> nb_bc35.c:23</div></div>
<div class="ttc" id="nb__bc35_8c_html_ae5899d940be94e4e73d8eb45011167f1"><div class="ttname"><a href="nb__bc35_8c.html#ae5899d940be94e4e73d8eb45011167f1">response_flag</a></div><div class="ttdeci">uint8 response_flag</div><div class="ttdef"><b>Definition:</b> nb_bc35.c:22</div></div>
<div class="ttc" id="driver_2uart_8h_html_af5b6deb2bb0cd122c3384bf552dd121c"><div class="ttname"><a href="driver_2uart_8h.html#af5b6deb2bb0cd122c3384bf552dd121c">ESP_DEBUG</a></div><div class="ttdeci">#define ESP_DEBUG(fmt,...)</div><div class="ttdef"><b>Definition:</b> driver/uart.h:35</div></div>
<div class="ttc" id="osapi_8h_html_a8b6e05160473ebb1f7f87ca232f87c7b"><div class="ttname"><a href="osapi_8h.html#a8b6e05160473ebb1f7f87ca232f87c7b">os_memset</a></div><div class="ttdeci">#define os_memset</div><div class="ttdef"><b>Definition:</b> osapi.h:38</div></div>
<div class="ttc" id="osapi_8h_html_a51bc56747f146b58e4bbbef0f4b62230"><div class="ttname"><a href="osapi_8h.html#a51bc56747f146b58e4bbbef0f4b62230">os_strstr</a></div><div class="ttdeci">#define os_strstr</div><div class="ttdef"><b>Definition:</b> osapi.h:46</div></div>
<div class="ttc" id="nb__bc35_8c_html_a2cf1c3f67e168aee4fe9c184c9809307"><div class="ttname"><a href="nb__bc35_8c.html#a2cf1c3f67e168aee4fe9c184c9809307">NB_Init</a></div><div class="ttdeci">void NB_Init(void)</div><div class="ttdef"><b>Definition:</b> nb_bc35.c:140</div></div>
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<td class="memname">int str_to_hex </td>
<td>(</td>
<td class="paramtype">const char * </td>
<td class="paramname"><em>bufin</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">int </td>
<td class="paramname"><em>len</em>, </td>
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<td class="paramtype">char * </td>
<td class="paramname"><em>bufout</em> </td>
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<p>将十六进制码流转换为字符串形式 </p>
<dl class="params"><dt>参数</dt><dd>
<table class="params">
<tr><td class="paramdir">[in]</td><td class="paramname">bufin</td><td>输入的十六进制码流 </td></tr>
<tr><td class="paramdir">[in]</td><td class="paramname">len</td><td>十六进制码流的长度 </td></tr>
<tr><td class="paramdir">[out]</td><td class="paramname">bufout</td><td>输出的十六进制字符串 </td></tr>
</table>
</dd>
</dl>
<dl class="section return"><dt>返回</dt><dd>int</dd></dl>
<dl class="section user"><dt>示例</dt><dd>bufin[0] = 0x01, bufin[1] = 0x02, bufin[2] = 0x03, len = 3, 则bufout = "010203" bufin[0] = 0x01, bufin[1] = 0x05, bufin[2] = 0x06, bufin[3] = 0x07, len = 4, 则bufout = "01050607" </dd></dl>
<div class="fragment"><div class="line"><a name="l00197"></a><span class="lineno"> 197</span> {</div>
<div class="line"><a name="l00198"></a><span class="lineno"> 198</span>  <span class="keywordtype">int</span> i = 0;</div>
<div class="line"><a name="l00199"></a><span class="lineno"> 199</span>  <span class="keywordflow">if</span> (<a class="code" href="c__types_8h.html#a070d2ce7b6bb7e5c05602aa8c308d0c4">NULL</a> == bufin || len <= 0 || <a class="code" href="c__types_8h.html#a070d2ce7b6bb7e5c05602aa8c308d0c4">NULL</a> == bufout)</div>
<div class="line"><a name="l00200"></a><span class="lineno"> 200</span>  {</div>
<div class="line"><a name="l00201"></a><span class="lineno"> 201</span>  <span class="keywordflow">return</span> -1;</div>
<div class="line"><a name="l00202"></a><span class="lineno"> 202</span>  }</div>
<div class="line"><a name="l00203"></a><span class="lineno"> 203</span>  <span class="keywordflow">for</span>(i = 0; i < len; i++)</div>
<div class="line"><a name="l00204"></a><span class="lineno"> 204</span>  {</div>
<div class="line"><a name="l00205"></a><span class="lineno"> 205</span>  <a class="code" href="osapi_8h.html#abe2ddcec42d14500c2706362e9f732e8">os_sprintf</a>(bufout+i*2, <span class="stringliteral">"%02X"</span>, bufin[i]);</div>
<div class="line"><a name="l00206"></a><span class="lineno"> 206</span>  }</div>
<div class="line"><a name="l00207"></a><span class="lineno"> 207</span>  <span class="keywordflow">return</span> 0;</div>
<div class="line"><a name="l00208"></a><span class="lineno"> 208</span> }</div>
<div class="ttc" id="osapi_8h_html_abe2ddcec42d14500c2706362e9f732e8"><div class="ttname"><a href="osapi_8h.html#abe2ddcec42d14500c2706362e9f732e8">os_sprintf</a></div><div class="ttdeci">#define os_sprintf</div><div class="ttdef"><b>Definition:</b> osapi.h:54</div></div>
<div class="ttc" id="c__types_8h_html_a070d2ce7b6bb7e5c05602aa8c308d0c4"><div class="ttname"><a href="c__types_8h.html#a070d2ce7b6bb7e5c05602aa8c308d0c4">NULL</a></div><div class="ttdeci">#define NULL</div><div class="ttdef"><b>Definition:</b> c_types.h:73</div></div>
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<td class="memname"><a class="el" href="c__types_8h.html#ab1967d8591af1a4e48c37fd2b0f184d0">int32_t</a> nb_set_cdpserver </td>
<td>(</td>
<td class="paramtype">char * </td>
<td class="paramname"><em>host</em>, </td>
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<td class="paramname"><em>port</em> </td>
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<td class="paramtype">void </td>
<td class="paramname"></td><td>)</td>
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<td>(</td>
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<td>(</td>
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<td class="paramname"><em>len</em> </td>
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