92 lines
16 KiB
XML
92 lines
16 KiB
XML
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<?xml version='1.0' encoding='UTF-8' standalone='no'?>
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<section xmlns="http://docbook.org/ns/docbook" version="5.0" xmlns:xlink="http://www.w3.org/1999/xlink" xml:id="_bsp___c_r_c_8cpp_source" xml:lang="zh">
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<title>bsp_CRC.cpp</title>
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<indexterm><primary>D:/gitt/MicrochipFor32/bsp_Device/bsp_CRC.cpp</primary></indexterm>
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浏览该文件的文档.<programlisting linenumbering="unnumbered"><anchor xml:id="_bsp___c_r_c_8cpp_source_1l00001"/>00001 <emphasis role="comment">/*----------------------------------------------------------------------------------------------------</emphasis>
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<anchor xml:id="_bsp___c_r_c_8cpp_source_1l00002"/>00002 <emphasis role="comment"> #</emphasis>
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<anchor xml:id="_bsp___c_r_c_8cpp_source_1l00003"/>00003 <emphasis role="comment"> #  Copyright (c) 2022 Yuankang Liang(XerolySkinner)</emphasis>
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<anchor xml:id="_bsp___c_r_c_8cpp_source_1l00004"/>00004 <emphasis role="comment"> #</emphasis>
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<anchor xml:id="_bsp___c_r_c_8cpp_source_1l00005"/>00005 <emphasis role="comment"> #  本软件按原样提供,无任何明示或暗示</emphasis>
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<anchor xml:id="_bsp___c_r_c_8cpp_source_1l00006"/>00006 <emphasis role="comment"> #  在任何情况下,作者都不承担任何损害赔偿责任</emphasis>
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<anchor xml:id="_bsp___c_r_c_8cpp_source_1l00007"/>00007 <emphasis role="comment"> #</emphasis>
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<anchor xml:id="_bsp___c_r_c_8cpp_source_1l00008"/>00008 <emphasis role="comment"> #  使用的许可声明:</emphasis>
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<anchor xml:id="_bsp___c_r_c_8cpp_source_1l00009"/>00009 <emphasis role="comment"> #  1.  不得歪曲本软件的来源,你不能声称你编写了原始软件.</emphasis>
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<anchor xml:id="_bsp___c_r_c_8cpp_source_1l00010"/>00010 <emphasis role="comment"> #  2.  免费授予以任何目的,前提是版权声明出现在所有副本中.</emphasis>
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<anchor xml:id="_bsp___c_r_c_8cpp_source_1l00011"/>00011 <emphasis role="comment"> #      并且版权声明和许可声明同时出现.</emphasis>
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<anchor xml:id="_bsp___c_r_c_8cpp_source_1l00012"/>00012 <emphasis role="comment"> #  3.  你有使用,复制,修改,分发,和销售本软件的许可.</emphasis>
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<anchor xml:id="_bsp___c_r_c_8cpp_source_1l00013"/>00013 <emphasis role="comment"> #  4.  如果你在产品中使用,产品文档中的声明是赞赏的但不是必须的.</emphasis>
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<anchor xml:id="_bsp___c_r_c_8cpp_source_1l00014"/>00014 <emphasis role="comment"> #  5.  本通知不得从任何来源删除或更改.</emphasis>
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<anchor xml:id="_bsp___c_r_c_8cpp_source_1l00015"/>00015 <emphasis role="comment"> #</emphasis>
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<anchor xml:id="_bsp___c_r_c_8cpp_source_1l00016"/>00016 <emphasis role="comment"> #  Yuankang Liang(XerolySkinner)</emphasis>
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<anchor xml:id="_bsp___c_r_c_8cpp_source_1l00017"/>00017 <emphasis role="comment"> #      E-mail:zabbcccbbaz@163.com</emphasis>
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<anchor xml:id="_bsp___c_r_c_8cpp_source_1l00018"/>00018 <emphasis role="comment"> #      QQ:2715099320</emphasis>
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<anchor xml:id="_bsp___c_r_c_8cpp_source_1l00019"/>00019 <emphasis role="comment"> #      Mobile Phone:13005636215</emphasis>
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<anchor xml:id="_bsp___c_r_c_8cpp_source_1l00020"/>00020 <emphasis role="comment"> #</emphasis>
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<anchor xml:id="_bsp___c_r_c_8cpp_source_1l00021"/>00021 <emphasis role="comment"> #  All rights reserved.</emphasis>
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<anchor xml:id="_bsp___c_r_c_8cpp_source_1l00022"/>00022 <emphasis role="comment"> */</emphasis>
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<anchor xml:id="_bsp___c_r_c_8cpp_source_1l00023"/>00023
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<anchor xml:id="_bsp___c_r_c_8cpp_source_1l00033"/>00033 <emphasis role="preprocessor">#include "<link linkend="_bsp___c_r_c_8h">bsp_CRC.h</link>"</emphasis>
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<anchor xml:id="_bsp___c_r_c_8cpp_source_1l00035"/>00035 <emphasis role="comment">//--------------------------------------------------------------------------------------------------</emphasis>
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<anchor xml:id="_bsp___c_r_c_8cpp_source_1l00036"/>00036 <emphasis role="comment">//  函数</emphasis>
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<anchor xml:id="_bsp___c_r_c_8cpp_source_1l00038"/><link linkend="_bsp___c_r_c_8cpp_1a7a737378eb1c2e4d7d493764c6e7647f">00038</link> <emphasis role="comment"></emphasis><emphasis role="keyword">static</emphasis> <emphasis role="keyword">const</emphasis> <link linkend="_varint_8h_1a92c50087ca0e64fa93fc59402c55f8ca">u8</link> <link linkend="_bsp___c_r_c_8cpp_1a7a737378eb1c2e4d7d493764c6e7647f">aucCRCHi</link>[] = {
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<anchor xml:id="_bsp___c_r_c_8cpp_source_1l00059"/>00059     0x00, 0xC1, 0x81, 0x40, 0x01, 0xC0, 0x80, 0x41, 0x01, 0xC0, 0x80, 0x41,
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<anchor xml:id="_bsp___c_r_c_8cpp_source_1l00060"/>00060     0x00, 0xC1, 0x81, 0x40
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<anchor xml:id="_bsp___c_r_c_8cpp_source_1l00061"/>00061 };
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<anchor xml:id="_bsp___c_r_c_8cpp_source_1l00062"/>00062 <emphasis role="comment">//--------------------------------------------------------------------------------------------------</emphasis>
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<anchor xml:id="_bsp___c_r_c_8cpp_source_1l00064"/><link linkend="_bsp___c_r_c_8cpp_1a1ec224bcb81fbefe6d11364dcd71e5a0">00064</link> <emphasis role="comment"></emphasis><emphasis role="keyword">static</emphasis> <emphasis role="keyword">const</emphasis> <link linkend="_varint_8h_1a92c50087ca0e64fa93fc59402c55f8ca">u8</link> <link linkend="_bsp___c_r_c_8cpp_1a1ec224bcb81fbefe6d11364dcd71e5a0">aucCRCLo</link>[] = {
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<anchor xml:id="_bsp___c_r_c_8cpp_source_1l00085"/>00085     0x44, 0x84, 0x85, 0x45, 0x87, 0x47, 0x46, 0x86, 0x82, 0x42, 0x43, 0x83,
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<anchor xml:id="_bsp___c_r_c_8cpp_source_1l00086"/>00086     0x41, 0x81, 0x80, 0x40
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<anchor xml:id="_bsp___c_r_c_8cpp_source_1l00087"/>00087 };
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<anchor xml:id="_bsp___c_r_c_8cpp_source_1l00089"/>00089 <emphasis role="comment">//--------------------------------------------------------------------------------------------------</emphasis>
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<anchor xml:id="_bsp___c_r_c_8cpp_source_1l00090"/>00090 <emphasis role="comment">//  函数</emphasis>
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<anchor xml:id="_bsp___c_r_c_8cpp_source_1l00091"/><link linkend="_bsp___c_r_c_8cpp_1abb1fda5ed561362d12fe987758986919">00091</link> <link linkend="_varint_8h_1ace9d960e74685e2cd84b36132dbbf8aa">u16</link> <link linkend="_bsp___c_r_c_8cpp_1abb1fda5ed561362d12fe987758986919">CRC16_MODBUS</link>(<link linkend="_varint_8h_1a92c50087ca0e64fa93fc59402c55f8ca">u8</link> *pucFrame,<link linkend="_varint_8h_1ace9d960e74685e2cd84b36132dbbf8aa">u16</link> usLen){
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<anchor xml:id="_bsp___c_r_c_8cpp_source_1l00092"/>00092     <link linkend="_varint_8h_1a92c50087ca0e64fa93fc59402c55f8ca">u8</link> ucCRCHi = 0xFF;
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<anchor xml:id="_bsp___c_r_c_8cpp_source_1l00093"/>00093     <link linkend="_varint_8h_1a92c50087ca0e64fa93fc59402c55f8ca">u8</link> ucCRCLo = 0xFF;
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<anchor xml:id="_bsp___c_r_c_8cpp_source_1l00094"/>00094     <link linkend="_varint_8h_1afaa62991928fb9fb18ff0db62a040aba">u32</link> iIndex;
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<anchor xml:id="_bsp___c_r_c_8cpp_source_1l00095"/>00095     <emphasis role="keywordflow">while</emphasis> (usLen--){
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<anchor xml:id="_bsp___c_r_c_8cpp_source_1l00096"/>00096         iIndex = ucCRCLo ^ *(pucFrame++);
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<anchor xml:id="_bsp___c_r_c_8cpp_source_1l00097"/>00097         ucCRCLo = (<link linkend="_varint_8h_1a92c50087ca0e64fa93fc59402c55f8ca">u8</link>)(ucCRCHi ^ <link linkend="_bsp___c_r_c_8cpp_1a7a737378eb1c2e4d7d493764c6e7647f">aucCRCHi</link>[iIndex]);
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<anchor xml:id="_bsp___c_r_c_8cpp_source_1l00098"/>00098         ucCRCHi = <link linkend="_bsp___c_r_c_8cpp_1a1ec224bcb81fbefe6d11364dcd71e5a0">aucCRCLo</link>[iIndex];}
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<anchor xml:id="_bsp___c_r_c_8cpp_source_1l00099"/>00099     <emphasis role="keywordflow">return</emphasis> ( <link linkend="_varint_8h_1ace9d960e74685e2cd84b36132dbbf8aa">u16</link> )( ucCRCHi << 8 | ucCRCLo );}
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</programlisting></section>
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