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| <title>lwIP: src/apps/sntp/sntp.c File Reference</title> |
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| <div id="projectname">lwIP |
|  <span id="projectnumber">2.1.2</span> |
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| <div id="projectbrief">Lightweight IP stack</div> |
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| <div class="textblock"><code>#include "<a class="el" href="sntp_8h.html">lwip/apps/sntp.h</a>"</code><br /> |
| <code>#include "<a class="el" href="opt_8h.html">lwip/opt.h</a>"</code><br /> |
| <code>#include "<a class="el" href="timeouts_8h.html">lwip/timeouts.h</a>"</code><br /> |
| <code>#include "<a class="el" href="udp_8h.html">lwip/udp.h</a>"</code><br /> |
| <code>#include "<a class="el" href="dns_8h.html">lwip/dns.h</a>"</code><br /> |
| <code>#include "<a class="el" href="ip__addr_8h.html">lwip/ip_addr.h</a>"</code><br /> |
| <code>#include "<a class="el" href="pbuf_8h.html">lwip/pbuf.h</a>"</code><br /> |
| <code>#include "<a class="el" href="dhcp_8h.html">lwip/dhcp.h</a>"</code><br /> |
| <code>#include <string.h></code><br /> |
| <code>#include <time.h></code><br /> |
| <code>#include "arch/bpstruct.h"</code><br /> |
| <code>#include "arch/epstruct.h"</code><br /> |
| </div><table class="memberdecls"> |
| <tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="nested-classes"></a> |
| 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="structsntp__time.html">sntp_time</a></td></tr> |
| <tr class="separator:"><td class="memSeparator" colspan="2"> </td></tr> |
| <tr class="memitem:"><td class="memItemLeft" align="right" valign="top">struct  </td><td class="memItemRight" valign="bottom"><a class="el" href="structsntp__timestamps.html">sntp_timestamps</a></td></tr> |
| <tr class="separator:"><td class="memSeparator" colspan="2"> </td></tr> |
| <tr class="memitem:"><td class="memItemLeft" align="right" valign="top">struct  </td><td class="memItemRight" valign="bottom"><a class="el" href="structsntp__msg.html">sntp_msg</a></td></tr> |
| <tr class="separator:"><td class="memSeparator" colspan="2"> </td></tr> |
| <tr class="memitem:"><td class="memItemLeft" align="right" valign="top">struct  </td><td class="memItemRight" valign="bottom"><a class="el" href="structsntp__server.html">sntp_server</a></td></tr> |
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| Macros</h2></td></tr> |
| <tr class="memitem:aebe74c93643ac9b8c8a9c7d223192c8f"><td class="memItemLeft" align="right" valign="top">#define </td><td class="memItemRight" valign="bottom"><a class="el" href="sntp_8c.html#aebe74c93643ac9b8c8a9c7d223192c8f">SNTP_FRAC_TO_US</a>(f)   ((u32_t)(f) / 4295)</td></tr> |
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| <tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="func-members"></a> |
| Functions</h2></td></tr> |
| <tr class="memitem:ga9b300c6616de60524c85ea40bf70e2ba"><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="group__sntp.html#ga9b300c6616de60524c85ea40bf70e2ba">sntp_init</a> (void)</td></tr> |
| <tr class="separator:ga9b300c6616de60524c85ea40bf70e2ba"><td class="memSeparator" colspan="2"> </td></tr> |
| <tr class="memitem:ga8119fc2d1ff7ff6eba511cc9c7167488"><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="group__sntp.html#ga8119fc2d1ff7ff6eba511cc9c7167488">sntp_stop</a> (void)</td></tr> |
| <tr class="separator:ga8119fc2d1ff7ff6eba511cc9c7167488"><td class="memSeparator" colspan="2"> </td></tr> |
| <tr class="memitem:ga3fe5254e5a056fca80802d9f26b9c3c5"><td class="memItemLeft" align="right" valign="top">u8_t </td><td class="memItemRight" valign="bottom"><a class="el" href="group__sntp.html#ga3fe5254e5a056fca80802d9f26b9c3c5">sntp_enabled</a> (void)</td></tr> |
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| <tr class="memitem:gaae94fb2adadbf9667e9597f8a45bf120"><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="group__sntp.html#gaae94fb2adadbf9667e9597f8a45bf120">sntp_setoperatingmode</a> (u8_t operating_mode)</td></tr> |
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| <tr class="memitem:gae66404a551d5cef420cf844a71356fae"><td class="memItemLeft" align="right" valign="top">u8_t </td><td class="memItemRight" valign="bottom"><a class="el" href="group__sntp.html#gae66404a551d5cef420cf844a71356fae">sntp_getoperatingmode</a> (void)</td></tr> |
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| <tr class="memitem:gac8097829a81cb6f37d9acf8efb2cc82e"><td class="memItemLeft" align="right" valign="top">u8_t </td><td class="memItemRight" valign="bottom"><a class="el" href="group__sntp.html#gac8097829a81cb6f37d9acf8efb2cc82e">sntp_getreachability</a> (u8_t idx)</td></tr> |
| <tr class="separator:gac8097829a81cb6f37d9acf8efb2cc82e"><td class="memSeparator" colspan="2"> </td></tr> |
| <tr class="memitem:ga4fa038dcea66349fafdbe1cc3e52ff3a"><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="group__sntp.html#ga4fa038dcea66349fafdbe1cc3e52ff3a">sntp_setserver</a> (u8_t idx, const <a class="el" href="group__ipaddr.html#ga16ef96d6cde029029bbf47fee35fd67a">ip_addr_t</a> *server)</td></tr> |
| <tr class="separator:ga4fa038dcea66349fafdbe1cc3e52ff3a"><td class="memSeparator" colspan="2"> </td></tr> |
| <tr class="memitem:ga2a28523cb9f2b5b025a4818bc2c1afc1"><td class="memItemLeft" align="right" valign="top">const <a class="el" href="group__ipaddr.html#ga16ef96d6cde029029bbf47fee35fd67a">ip_addr_t</a> * </td><td class="memItemRight" valign="bottom"><a class="el" href="group__sntp.html#ga2a28523cb9f2b5b025a4818bc2c1afc1">sntp_getserver</a> (u8_t idx)</td></tr> |
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| </table> |
| <a name="details" id="details"></a><h2 class="groupheader">Detailed Description</h2> |
| <div class="textblock"><p>SNTP client module </p> |
| </div><h2 class="groupheader">Macro Definition Documentation</h2> |
| <a id="aebe74c93643ac9b8c8a9c7d223192c8f"></a> |
| <h2 class="memtitle"><span class="permalink"><a href="#aebe74c93643ac9b8c8a9c7d223192c8f">◆ </a></span>SNTP_FRAC_TO_US</h2> |
| |
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| <td class="memname">#define SNTP_FRAC_TO_US</td> |
| <td>(</td> |
| <td class="paramtype"> </td> |
| <td class="paramname">f</td><td>)</td> |
| <td>   ((u32_t)(f) / 4295)</td> |
| </tr> |
| </table> |
| </div><div class="memdoc"> |
| <p>Convert NTP timestamp fraction to microseconds. </p> |
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