{"id":27719,"date":"2024-04-21T22:55:28","date_gmt":"2024-04-21T14:55:28","guid":{"rendered":"https:\/\/www.modbus.cn\/?p=27719"},"modified":"2024-04-21T22:55:34","modified_gmt":"2024-04-21T14:55:34","slug":"shi-yong-libmodbus-jin-xing-modbus-xie-yi-de-dan-yuan-ce-shi-he-yi-chang-chu-li","status":"publish","type":"post","link":"https:\/\/www.modbus.cn\/en\/27719.html","title":{"rendered":"\u4f7f\u7528 libmodbus \u8fdb\u884c Modbus \u534f\u8bae\u7684\u5355\u5143\u6d4b\u8bd5\u548c\u5f02\u5e38\u5904\u7406"},"content":{"rendered":"<p class=\"wp-block-paragraph\">\u5728\u73b0\u4ee3\u5de5\u4e1a\u81ea\u52a8\u5316\u4e2d\uff0c\u786e\u4fdd\u901a\u4fe1\u534f\u8bae\u7684\u7a33\u5b9a\u6027\u548c\u51c6\u786e\u6027\u662f\u975e\u5e38\u91cd\u8981\u7684\u3002Modbus \u534f\u8bae\u4f5c\u4e3a\u5de5\u4e1a\u754c\u5e7f\u6cdb\u5e94\u7528\u7684\u901a\u4fe1\u534f\u8bae\u4e4b\u4e00\uff0c\u5176\u7a33\u5b9a\u548c\u53ef\u9760\u7684\u8fd0\u884c\u5bf9\u7cfb\u7edf\u7684\u6b63\u5e38\u8fd0\u884c\u81f3\u5173\u91cd\u8981\u3002\u8fd9\u5c31\u9700\u8981\u901a\u8fc7\u4e00\u7cfb\u5217\u7684\u5355\u5143\u6d4b\u8bd5\u6765\u9a8c\u8bc1\u548c\u786e\u4fddModbus\u901a\u4fe1\u5e93\u7684\u6bcf\u4e2a\u529f\u80fd\u90fd\u6309\u9884\u671f\u5de5\u4f5c\uff0c\u540c\u65f6\u4e5f\u8981\u80fd\u59a5\u5584\u5904\u7406\u5f02\u5e38\u60c5\u51b5\u3002\u672c\u6587\u901a\u8fc7\u4e00\u6bb5\u8be6\u7ec6\u7684\u4ee3\u7801\u89e3\u6790\uff0c\u5c55\u793a\u4e86\u5982\u4f55\u4f7f\u7528 libmodbus \u5e93\u8fdb\u884c\u5168\u9762\u7684\u5355\u5143\u6d4b\u8bd5\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u80cc\u666f<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Modbus 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<div class=\"hidden-content\">\n        <div class=\"hidden-content-icon\"><i class=\"wpcom-icon wi\"><svg aria-hidden=\"true\"><use xlink:href=\"#wi-pay-lock\"><\/use><\/svg><\/i><\/div>\n        <p class=\"hidden-content-desc\">\u60a8\u9700\u8981\u4ed8\u8d39\u89e3\u9501\u624d\u80fd\u67e5\u770b\u5f53\u524d\u5185\u5bb9<\/p>\n                <div class=\"premium-content-pay\">\n                            <button class=\"wpcom-btn btn-primary hidden-content-btn premium-content-btn\" type=\"button\">\n                    \u4ed8\u8d39\u89e3\u9501                    <span class=\"premium-content-price\"><span>\u00a5<\/span>9.90<\/span>\n                <\/button>\n                            <div class=\"premium-content-vip\">\n                                            <button class=\"wpcom-btn btn-danger hidden-content-btn premium-content-vip-btn j-vip-new\" type=\"button\"><i class=\"wpcom-icon wi\"><svg aria-hidden=\"true\"><use xlink:href=\"#wi-vip-crown\"><\/use><\/svg><\/i>\u7acb\u5373\u89e3\u9501\u7279\u6743<\/button>\n                                        <div class=\"vip-price-notice premium-content-vip-price\">\n                        <div class=\"vip-price-item\" vip-index=\"0\" vip-id=\"vip1\"><img decoding=\"async\" class=\"vip-flag-icon j-lazy no-lightbox\" src=\"https:\/\/image.modbus.cn\/wp-content\/uploads\/2023\/08\/20230818114436591.svg\" loading=\"lazy\" title=\"\u4f7f\u7528 libmodbus \u8fdb\u884c Modbus \u534f\u8bae\u7684\u5355\u5143\u6d4b\u8bd5\u548c\u5f02\u5e38\u5904\u7406\u63d2\u56fe\" alt=\"\u4f7f\u7528 libmodbus \u8fdb\u884c Modbus \u534f\u8bae\u7684\u5355\u5143\u6d4b\u8bd5\u548c\u5f02\u5e38\u5904\u7406\u63d2\u56fe\" \/>\u661f\u8000\u4f1a\u5458<span class=\"vip-price\"><span>\u00a5<\/span>7.92<\/span><\/div><div class=\"vip-price-item\" vip-index=\"1\" vip-id=\"vip2\"><img decoding=\"async\" class=\"vip-flag-icon j-lazy no-lightbox\" src=\"https:\/\/image.modbus.cn\/wp-content\/uploads\/2023\/08\/20230818114919315.svg\" loading=\"lazy\" title=\"\u4f7f\u7528 libmodbus \u8fdb\u884c Modbus \u534f\u8bae\u7684\u5355\u5143\u6d4b\u8bd5\u548c\u5f02\u5e38\u5904\u7406\u63d2\u56fe1\" alt=\"\u4f7f\u7528 libmodbus \u8fdb\u884c Modbus \u534f\u8bae\u7684\u5355\u5143\u6d4b\u8bd5\u548c\u5f02\u5e38\u5904\u7406\u63d2\u56fe1\" \/>\u7480\u74a8\u4f1a\u5458<span class=\"vip-price\"><span>\u00a5<\/span>5.94<\/span><\/div><div class=\"vip-price-item\" vip-index=\"2\" vip-id=\"vip3\">\u66dc\u94bb\u4f1a\u5458<span class=\"vip-price\">\u514d\u8d39<\/span><\/div>                    <\/div>\n                <\/div>\n                    <\/div>\n        <div class=\"premium-content-sales\"><i class=\"wpcom-icon wi\"><svg aria-hidden=\"true\"><use xlink:href=\"#wi-huo\"><\/use><\/svg><\/i>\u5df2\u6709<span>130<\/span>\u4eba\u89e3\u9501\u67e5\u770b        <\/div>                <div class=\"hidden-content-refresh\">\n            <i class=\"wpcom-icon wi refresh-help\"><svg aria-hidden=\"true\"><use xlink:href=\"#wi-help\"><\/use><\/svg><\/i>            <div class=\"refresh-action\">\n                <div class=\"refresh-action-inner\">\n                    \u5df2\u4ed8\u8d39\uff1f<a class=\"refresh-url\" href=\"https:\/\/www.modbus.cn\/en\/login?modal-type=login\">Login<i class=\"wpcom-icon wi\"><svg aria-hidden=\"true\"><use xlink:href=\"#wi-user\"><\/use><\/svg><\/i><\/a> \u6216 <a class=\"refresh-url j-refresh-premium-content\" href=\"#\">\u5237\u65b0<i class=\"wpcom-icon wi\"><svg aria-hidden=\"true\"><use xlink:href=\"#wi-refresh\"><\/use><\/svg><\/i><\/a>\n                <\/div>\n            <\/div>\n        <\/div>\n    <\/div>\n<\/div><\/div>\n\n\n<h3 class=\"wp-block-heading\">\u4ee3\u7801\u6982\u89c8<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u63d0\u4f9b\u7684\u4ee3\u7801\u4f7f\u7528 C \u8bed\u8a00\u7f16\u5199\uff0c\u57fa\u4e8e libmodbus \u5e93\uff0c\u8fd9\u662f\u4e00\u4e2a\u5f00\u6e90\u7684 Modbus \u5e93\uff0c\u652f\u6301RTU\uff08\u4e32\u884c\u7248\u672c\uff09\u548cTCP\/IP\u3002\u6b64\u4ee3\u7801\u5c55\u793a\u4e86\u5982\u4f55\u521d\u59cb\u5316\u8fde\u63a5\u3001\u53d1\u9001\u8bf7\u6c42\u4ee5\u53ca\u5904\u7406\u54cd\u5e94\u548c\u9519\u8bef\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u5173\u952e\u529f\u80fd\u7684\u6d4b\u8bd5<\/h3>\n\n\n\n<h4 class=\"wp-block-heading\">\u521d\u59cb\u5316\u548c\u8fde\u63a5<\/h4>\n\n\n\n<p class=\"wp-block-paragraph\">\u4ee3\u7801\u9996\u5148\u8bbe\u7f6e Modbus \u4e0a\u4e0b\u6587\uff0c\u6839\u636e\u547d\u4ee4\u884c\u53c2\u6570\u9009\u62e9\u4f7f\u7528 TCP \u6216 RTU \u6a21\u5f0f\u3002\u6b64\u5916\uff0c\u8fd8\u53ef\u4ee5\u8bbe\u7f6e\u8c03\u8bd5\u6a21\u5f0f\u6765\u8ffd\u8e2a\u901a\u4fe1\u8fc7\u7a0b\u4e2d\u7684\u8be6\u7ec6\u4fe1\u606f\u3002<\/p>\n\n\n\n<h4 class=\"wp-block-heading\">\u8bfb\u5199\u6d4b\u8bd5<\/h4>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u5355\u4e2a\u548c\u591a\u4e2a\u4f4d\u7684\u8bfb\u5199<\/strong>\uff1a\u901a\u8fc7 <code>modbus_write_bit<\/code> \u548c <code>modbus_read_bits<\/code> \u51fd\u6570\u6d4b\u8bd5\u5355\u4e2a\u7ebf\u5708\u7684\u8bfb\u5199\u64cd\u4f5c\u3002\u5bf9\u4e8e\u591a\u4e2a\u7ebf\u5708\uff0c\u4f7f\u7528 <code>modbus_write_bits<\/code> \u548c\u76f8\u5e94\u7684\u8bfb\u53d6\u51fd\u6570\u3002<\/li>\n\n\n\n<li><strong>\u5bc4\u5b58\u5668\u64cd\u4f5c<\/strong>\uff1a\u4f7f\u7528 <code>modbus_write_register<\/code> \u548c <code>modbus_read_registers<\/code> \u6d4b\u8bd5\u5355\u4e2a\u4fdd\u6301\u5bc4\u5b58\u5668\u7684\u8bfb\u5199\u3002\u591a\u5bc4\u5b58\u5668\u7684\u8bfb\u5199\u5219\u901a\u8fc7 <code>modbus_write_registers<\/code> \u548c <code>modbus_read_registers<\/code> \u6d4b\u8bd5\u3002<\/li>\n<\/ul>\n\n\n\n<h4 class=\"wp-block-heading\">\u5f02\u5e38\u5904\u7406<\/h4>\n\n\n\n<p class=\"wp-block-paragraph\">\u6d4b\u8bd5\u4e86\u5982\u5730\u5740\u975e\u6cd5\u3001\u6570\u636e\u91cf\u8fc7\u591a\u7b49\u5f02\u5e38\u60c5\u51b5\u3002\u8fd9\u662f\u901a\u8fc7\u6784\u9020\u975e\u6cd5\u8bf7\u6c42\u5e76\u9884\u671f\u5e93\u80fd\u8fd4\u56de\u6b63\u786e\u7684\u5f02\u5e38\u54cd\u5e94\u7801\u6765\u5b8c\u6210\u7684\u3002<\/p>\n\n\n\n<h4 class=\"wp-block-heading\">\u6027\u80fd\u8003\u8651<\/h4>\n\n\n\n<p class=\"wp-block-paragraph\">\u4e3a\u4e86\u6d4b\u8bd5\u5e93\u5728\u4e0d\u540c\u7f51\u7edc\u5ef6\u8fdf\u548c\u6570\u636e\u5904\u7406\u901f\u5ea6\u4e0b\u7684\u8868\u73b0\uff0c\u4ee3\u7801\u4e2d\u8c03\u6574\u4e86\u54cd\u5e94\u8d85\u65f6\u548c\u5b57\u8282\u8d85\u65f6\u7684\u8bbe\u7f6e\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u7ed3\u8bba<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u901a\u8fc7\u8fd9\u6837\u7684\u5355\u5143\u6d4b\u8bd5\uff0c\u53ef\u4ee5\u7cfb\u7edf\u5730\u9a8c\u8bc1 Modbus \u5e93\u7684\u6bcf\u4e00\u4e2a\u529f\u80fd\u70b9\uff0c\u786e\u4fdd\u5728\u5b9e\u9645\u90e8\u7f72\u524d\uff0c\u6240\u6709\u7684\u529f\u80fd\u90fd\u80fd\u5728\u9884\u5b9a\u7684\u6761\u4ef6\u4e0b\u6b63\u5e38\u5de5\u4f5c\u3002\u8fd9\u4e0d\u4ec5\u5e2e\u52a9\u5f00\u53d1\u8005\u53d1\u73b0\u5e76\u4fee\u590d\u6f5c\u5728\u7684\u9519\u8bef\uff0c\u4e5f\u4e3a\u6700\u7ec8\u7528\u6237\u63d0\u4f9b\u4e86\u989d\u5916\u7684\u4fe1\u5fc3\uff0c\u786e\u4fdd\u4ed6\u4eec\u7684\u5de5\u4e1a\u7cfb\u7edf\u80fd\u591f\u7a33\u5b9a\u53ef\u9760\u5730\u8fd0\u884c\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u8fd9\u6bb5\u4ee3\u7801\u53ca\u5176\u89e3\u6790\u5c55\u793a\u4e86\u5de5\u4e1a\u901a\u4fe1\u534f\u8bae\u6d4b\u8bd5\u7684\u91cd\u8981\u6027\u548c\u590d\u6742\u6027\uff0c\u4e3aModbus\u901a\u4fe1\u5e93\u7684\u5f00\u53d1\u548c\u7ef4\u62a4\u63d0\u4f9b\u4e86\u5b9d\u8d35\u7684\u53c2\u8003\u3002<\/p>\n<span id=\"magicpostMarker\"><\/span>","protected":false},"excerpt":{"rendered":"<p>\u5728\u73b0\u4ee3\u5de5\u4e1a\u81ea\u52a8\u5316\u4e2d\uff0c\u786e\u4fdd\u901a\u4fe1\u534f\u8bae\u7684\u7a33\u5b9a\u6027\u548c\u51c6\u786e\u6027\u662f\u975e\u5e38\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":[1938,694,1934,1939,1937],"class_list":["post-27719","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-modbus-code-base","tag-assert","tag-libmodbus","tag-printf","tag-1939","tag-1937"],"_links":{"self":[{"href":"https:\/\/www.modbus.cn\/en\/wp-json\/wp\/v2\/posts\/27719","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=27719"}],"version-history":[{"count":0,"href":"https:\/\/www.modbus.cn\/en\/wp-json\/wp\/v2\/posts\/27719\/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=27719"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.modbus.cn\/en\/wp-json\/wp\/v2\/categories?post=27719"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.modbus.cn\/en\/wp-json\/wp\/v2\/tags?post=27719"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}