{"id":27725,"date":"2024-04-21T23:17:35","date_gmt":"2024-04-21T15:17:35","guid":{"rendered":"https:\/\/www.modbus.cn\/?p=27725"},"modified":"2024-04-21T23:17:43","modified_gmt":"2024-04-21T15:17:43","slug":"tan-suo-modbus-tong-xin-ku-libmodbus-ban-ben-jian-ce-yu-gong-neng-tan-suo","status":"publish","type":"post","link":"https:\/\/www.modbus.cn\/en\/27725.html","title":{"rendered":"\u63a2\u7d22Modbus\u901a\u4fe1\u5e93\uff1alibmodbus\u7248\u672c\u68c0\u6d4b\u4e0e\u529f\u80fd\u63a2\u7d22"},"content":{"rendered":"<p class=\"wp-block-paragraph\">\u5728\u5de5\u4e1a\u63a7\u5236\u548c\u81ea\u52a8\u5316\u9886\u57df\uff0cModbus\u901a\u4fe1\u534f\u8bae\u4e00\u76f4\u626e\u6f14\u7740\u91cd\u8981\u7684\u89d2\u8272\u3002\u4e3a\u4e86\u7b80\u5316Modbus\u901a\u4fe1\u7684\u5f00\u53d1\u8fc7\u7a0b\uff0c\u5f00\u53d1\u8005\u4eec\u521b\u5efa\u4e86\u8bb8\u591aModbus\u901a\u4fe1\u5e93\uff0c\u5176\u4e2d\u4e00\u79cd\u5e7f\u6cdb\u4f7f\u7528\u7684\u5e93\u5c31\u662flibmodbus\u3002\u672c\u6587\u5c06\u4ecb\u7ecd\u5982\u4f55\u4f7f\u7528libmodbus\u8fdb\u884c\u7248\u672c\u68c0\u6d4b\u548c\u529f\u80fd\u63a2\u7d22\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u9996\u5148\uff0c\u8ba9\u6211\u4eec\u770b\u4e00\u4e0b\u4e00\u4e2a\u7b80\u5355\u7684C\u7a0b\u5e8f\uff0c\u8be5\u7a0b\u5e8f\u6f14\u793a\u4e86\u5982\u4f55\u4f7f\u7528libmodbus\u5e93\u8fdb\u884c\u7248\u672c\u68c0\u6d4b\u5e76\u83b7\u53d6\u76f8\u5173\u4fe1\u606f\u3002\u4ee5\u4e0b\u662f\u7a0b\u5e8f\u7684\u4ee3\u7801\uff1a<\/p>\n\n\n\n<div class=\"wp-block-codemirror-blocks-code-block code-block\"><pre class=\"CodeMirror\" data-setting=\"{&quot;showPanel&quot;:true,&quot;languageLabel&quot;:&quot;language&quot;,&quot;fullScreenButton&quot;:true,&quot;copyButton&quot;:true,&quot;mode&quot;:&quot;clike&quot;,&quot;mime&quot;:&quot;text\/x-csrc&quot;,&quot;theme&quot;:&quot;material&quot;,&quot;lineNumbers&quot;:false,&quot;styleActiveLine&quot;:false,&quot;lineWrapping&quot;:false,&quot;readOnly&quot;:true,&quot;fileName&quot;:&quot;C&quot;,&quot;TrpContentRestriction&quot;:{&quot;restriction_type&quot;:&quot;exclude&quot;,&quot;selected_languages&quot;:[],&quot;panel_open&quot;:true},&quot;language&quot;:&quot;C&quot;,&quot;maxHeight&quot;:&quot;400px&quot;,&quot;modeName&quot;:&quot;c&quot;}\">\/*\n * \u7248\u6743\u6240\u6709 \u00a9 St\u00e9phane Raimbault &lt;stephane.raimbault@gmail.com&gt;\n *\n * SPDX-License-Identifier: BSD-3-Clause\n *\/\n\n#include &lt;modbus.h&gt;  \/\/ \u5305\u542blibmodbus\u5934\u6587\u4ef6\n#include &lt;stdio.h&gt;   \/\/ \u5305\u542b\u6807\u51c6\u8f93\u5165\u8f93\u51fa\u5934\u6587\u4ef6\n\nint main(void)\n{\n    \/\/ \u6253\u5370\u7f16\u8bd1\u65f6\u4f7f\u7528\u7684libmodbus\u7248\u672c\u4fe1\u606f\n    printf(&quot;Compiled with libmodbus version %s (%06X)\\n&quot;,\n           LIBMODBUS_VERSION_STRING,\n           LIBMODBUS_VERSION_HEX);\n    \/\/ \u6253\u5370\u94fe\u63a5\u65f6\u4f7f\u7528\u7684libmodbus\u7248\u672c\u4fe1\u606f\n    printf(&quot;Linked with libmodbus version %d.%d.%d\\n&quot;,\n           libmodbus_version_major,\n           libmodbus_version_minor,\n           libmodbus_version_micro);\n\n    \/\/ \u68c0\u67e5libmodbus\u7248\u672c\u662f\u5426\u5927\u4e8e\u7b49\u4e8e2.1.0\uff0c\u5982\u679c\u662f\u5219\u6253\u5370\u76f8\u5173\u4fe1\u606f\n    if (LIBMODBUS_VERSION_CHECK(2, 1, 0)) {\n        printf(&quot;The functions to read\/write float values are available (2.1.0).\\n&quot;);\n    }\n\n    \/\/ \u68c0\u67e5libmodbus\u7248\u672c\u662f\u5426\u5927\u4e8e\u7b49\u4e8e2.1.1\uff0c\u5982\u679c\u662f\u5219\u6253\u5370\u76f8\u5173\u4fe1\u606f\n    if (LIBMODBUS_VERSION_CHECK(2, 1, 1)) {\n        printf(&quot;Oh gosh, brand new API (2.1.1)!\\n&quot;);\n    }\n\n    return 0;\n}<\/pre><\/div>\n\n\n\n<p class=\"wp-block-paragraph\">\u8fd9\u6bb5\u4ee3\u7801\u5c55\u793a\u4e86\u5982\u4f55\u4f7f\u7528libmodbus\u5e93\u4e2d\u7684\u4e00\u4e9b\u57fa\u672c\u529f\u80fd\u3002\u9996\u5148\uff0c\u5b83\u6253\u5370\u4e86\u5728\u7f16\u8bd1\u65f6\u4f7f\u7528\u7684libmodbus\u7248\u672c\u4fe1\u606f\uff0c\u5305\u62ec\u7248\u672c\u5b57\u7b26\u4e32\u548c\u5341\u516d\u8fdb\u5236\u8868\u793a\u7684\u7248\u672c\u53f7\u3002\u63a5\u7740\uff0c\u5b83\u6253\u5370\u4e86\u94fe\u63a5\u65f6\u4f7f\u7528\u7684libmodbus\u7248\u672c\u4fe1\u606f\uff0c\u5305\u62ec\u4e3b\u7248\u672c\u53f7\u3001\u6b21\u7248\u672c\u53f7\u548c\u5fae\u7248\u672c\u53f7\u3002\u7136\u540e\uff0c\u5b83\u4f7f\u7528<code>LIBMODBUS_VERSION_CHECK<\/code>\u5b8f\u68c0\u67e5\u4e86libmodbus\u7684\u7248\u672c\uff0c\u5982\u679c\u7248\u672c\u5927\u4e8e\u7b49\u4e8e2.1.0\uff0c\u5c31\u4f1a\u6253\u5370\u76f8\u5e94\u7684\u4fe1\u606f\uff0c\u8868\u660e\u652f\u6301\u8bfb\u5199\u6d6e\u70b9\u6570\u503c\u7684\u529f\u80fd\u3002\u6700\u540e\uff0c\u5b83\u68c0\u67e5\u4e86\u7248\u672c\u662f\u5426\u5927\u4e8e\u7b49\u4e8e2.1.1\uff0c\u5e76\u6253\u5370\u4e86\u76f8\u5e94\u7684\u4fe1\u606f\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u901a\u8fc7\u8fd9\u6bb5\u4ee3\u7801\uff0c\u6211\u4eec\u53ef\u4ee5\u8f7b\u677e\u5730\u83b7\u53d6\u548c\u68c0\u67e5libmodbus\u7684\u7248\u672c\u4fe1\u606f\uff0c\u5e76\u6839\u636e\u7248\u672c\u4fe1\u606f\u6765\u51b3\u5b9a\u662f\u5426\u53ef\u4ee5\u4f7f\u7528\u7279\u5b9a\u7684\u529f\u80fd\u3002\u8fd9\u4e3a\u5f00\u53d1\u8005\u63d0\u4f9b\u4e86\u4fbf\u5229\uff0c\u4f7f\u5f97\u5728Modbus\u901a\u4fe1\u5f00\u53d1\u4e2d\u66f4\u52a0\u9ad8\u6548\u548c\u53ef\u9760\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u5728\u672c\u6587\u4e2d\uff0c\u6211\u4eec\u4ecb\u7ecd\u4e86\u5982\u4f55\u4f7f\u7528libmodbus\u5e93\u8fdb\u884c\u7248\u672c\u68c0\u6d4b\u548c\u529f\u80fd\u63a2\u7d22\u3002\u5e0c\u671b\u8fd9\u7bc7\u6587\u7ae0\u80fd\u591f\u5e2e\u52a9\u8bfb\u8005\u66f4\u597d\u5730\u4e86\u89e3\u548c\u5e94\u7528libmodbus\u5e93\uff0c\u4ece\u800c\u63d0\u5347Modbus\u901a\u4fe1\u5f00\u53d1\u7684\u6548\u7387\u548c\u8d28\u91cf\u3002<\/p>\n<span id=\"magicpostMarker\"><\/span>","protected":false},"excerpt":{"rendered":"<p>\u5728\u5de5\u4e1a\u63a7\u5236\u548c\u81ea\u52a8\u5316\u9886\u57df\uff0cModbus\u901a\u4fe1\u534f\u8bae\u4e00\u76f4\u626e\u6f14\u7740\u91cd\u8981\u7684&#8230;<\/p>","protected":false},"author":1,"featured_media":27977,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":"","_members_access_role":[],"_members_access_error":""},"categories":[691],"tags":[694,281],"class_list":["post-27725","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-modbus-code-base","tag-libmodbus","tag-281"],"_links":{"self":[{"href":"https:\/\/www.modbus.cn\/en\/wp-json\/wp\/v2\/posts\/27725","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.modbus.cn\/en\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.modbus.cn\/en\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.modbus.cn\/en\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.modbus.cn\/en\/wp-json\/wp\/v2\/comments?post=27725"}],"version-history":[{"count":0,"href":"https:\/\/www.modbus.cn\/en\/wp-json\/wp\/v2\/posts\/27725\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.modbus.cn\/en\/wp-json\/wp\/v2\/media\/27977"}],"wp:attachment":[{"href":"https:\/\/www.modbus.cn\/en\/wp-json\/wp\/v2\/media?parent=27725"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.modbus.cn\/en\/wp-json\/wp\/v2\/categories?post=27725"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.modbus.cn\/en\/wp-json\/wp\/v2\/tags?post=27725"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}