{"id":40049,"date":"2023-10-01T14:21:13","date_gmt":"2023-10-01T06:21:13","guid":{"rendered":"https:\/\/www.techphant.cn\/?p=40049"},"modified":"2023-10-01T14:21:13","modified_gmt":"2023-10-01T06:21:13","slug":"gzyzyyljjsjhwbsbdbz","status":"publish","type":"post","link":"https:\/\/www.techphant.cn\/blog\/40049.html","title":{"rendered":"GPIO\u8f6c485\uff1a\u4e00\u79cd\u7528\u4e8e\u8fde\u63a5\u8ba1\u7b97\u673a\u548c\u5916\u90e8\u8bbe\u5907\u7684\u6807\u51c6"},"content":{"rendered":"

  GPIO\u8f6c485\u662f\u4e00\u79cd\u7528\u4e8e\u8fde\u63a5\u8ba1\u7b97\u673a\u548c\u5916\u90e8\u8bbe\u5907\u7684\u6807\u51c6\uff0c\u5b83\u53ef\u4ee5\u5e2e\u52a9\u60a8\u66f4\u52a0\u5feb\u901f\u4fbf\u6377\u5730\u5b9e\u73b0\u8ba1\u7b97\u673a\u4e0e\u5916\u90e8\u8bbe\u5907\u7684\u901a\u4fe1\u3002\u672c\u6587\u5c06\u4ecb\u7ecdGPIO\u8f6c485\u7684\u57fa\u672c\u539f\u7406\u3001\u4f18\u52bf\u548c\u5e94\u7528\u573a\u666f\uff0c\u4ee5\u53ca\u5982\u4f55\u4f7f\u7528GPIO\u8f6c485\u6765\u5b9e\u73b0\u8ba1\u7b97\u673a\u4e0e\u5916\u90e8\u8bbe\u5907\u7684\u8fde\u63a5\u3002<\/p>\n

GPIO\u8f6c485\u7684\u57fa\u672c\u539f\u7406<\/h2>\n

  GPIO\u8f6c485\u662f\u4e00\u79cd\u6807\u51c6\u7684\u901a\u4fe1\u63a5\u53e3\uff0c\u5b83\u53ef\u4ee5\u5c06\u8ba1\u7b97\u673a\u7684GPIO\u63a5\u53e3\uff08General Purpose Input\/Output\uff09\u8f6c\u6362\u4e3aRS485\u63a5\u53e3\uff08Registered Serial Bus\uff09\uff0c\u4ece\u800c\u5b9e\u73b0\u8ba1\u7b97\u673a\u4e0e\u5916\u90e8\u8bbe\u5907\u4e4b\u95f4\u7684\u901a\u4fe1\u3002GPIO\u8f6c485\u7684\u4f18\u52bf\u5728\u4e8e\u5b83\u53ef\u4ee5\u5c06\u8ba1\u7b97\u673a\u7684GPIO\u63a5\u53e3\u8f6c\u6362\u4e3aRS485\u63a5\u53e3\uff0c\u4ece\u800c\u53ef\u4ee5\u5b9e\u73b0\u9ad8\u901f\u4f20\u8f93\uff0c\u652f\u6301\u957f\u8ddd\u79bb\u4f20\u8f93\uff0c\u5e76\u53ef\u4ee5\u652f\u6301\u591a\u79cd\u534f\u8bae\uff0c\u4ece\u800c\u4f7f\u8ba1\u7b97\u673a\u4e0e\u5916\u90e8\u8bbe\u5907\u4e4b\u95f4\u7684\u901a\u4fe1\u66f4\u52a0\u7a33\u5b9a\u53ef\u9760\u3002<\/p>\n

GPIO\u8f6c485\u7684\u4f18\u52bf<\/h2>\n

  GPIO\u8f6c485\u7684\u4f18\u52bf\u5728\u4e8e\u5b83\u53ef\u4ee5\u5c06\u8ba1\u7b97\u673a\u7684GPIO\u63a5\u53e3\u8f6c\u6362\u4e3aRS485\u63a5\u53e3\uff0c\u4ece\u800c\u53ef\u4ee5\u5b9e\u73b0\u9ad8\u901f\u4f20\u8f93\uff0c\u652f\u6301\u957f\u8ddd\u79bb\u4f20\u8f93\uff0c\u5e76\u53ef\u4ee5\u652f\u6301\u591a\u79cd\u534f\u8bae\uff0c\u4ece\u800c\u4f7f\u8ba1\u7b97\u673a\u4e0e\u5916\u90e8\u8bbe\u5907\u4e4b\u95f4\u7684\u901a\u4fe1\u66f4\u52a0\u7a33\u5b9a\u53ef\u9760\u3002\u6b64\u5916\uff0cGPIO\u8f6c485\u8fd8\u53ef\u4ee5\u652f\u6301\u591a\u79cd\u683c\u5f0f\u7684\u6570\u636e\u4f20\u8f93\uff0c\u5305\u62ecRS232\u3001RS422\u548cRS485\uff0c\u4ece\u800c\u53ef\u4ee5\u6ee1\u8db3\u4e0d\u540c\u7684\u5e94\u7528\u573a\u666f\u3002<\/p>\n

  \u9ad8\u901f\u4f20\u8f93<\/h3>\n

  GPIO\u8f6c485\u652f\u6301\u9ad8\u901f\u4f20\u8f93\uff0c\u53ef\u4ee5\u5b9e\u73b0\u66f4\u5feb\u7684\u6570\u636e\u4f20\u8f93\u901f\u7387\uff0c\u4ece\u800c\u63d0\u9ad8\u6570\u636e\u4f20\u8f93\u7684\u6548\u7387\u548c\u53ef\u9760\u6027\u3002<\/p>\n

  \u957f\u8ddd\u79bb\u4f20\u8f93<\/h3>\n

  GPIO\u8f6c485\u652f\u6301\u957f\u8ddd\u79bb\u4f20\u8f93\uff0c\u53ef\u4ee5\u5728\u8f83\u957f\u7684\u8ddd\u79bb\u5185\u4f20\u8f93\u6570\u636e\uff0c\u4ece\u800c\u6ee1\u8db3\u4e0d\u540c\u7684\u5e94\u7528\u573a\u666f\u3002<\/p>\n

  \u591a\u79cd\u534f\u8bae\u652f\u6301<\/h3>\n

  GPIO\u8f6c485\u53ef\u4ee5\u652f\u6301\u591a\u79cd\u534f\u8bae\uff0c\u5305\u62ecRS232\u3001RS422\u548cRS485\uff0c\u4ece\u800c\u53ef\u4ee5\u6ee1\u8db3\u4e0d\u540c\u7684\u5e94\u7528\u573a\u666f\u3002<\/p>\n

GPIO\u8f6c485\u7684\u5e94\u7528\u573a\u666f<\/h2>\n

  GPIO\u8f6c485\u53ef\u4ee5\u7528\u4e8e\u5404\u79cd\u5e94\u7528\u573a\u666f\uff0c\u4f8b\u5982\u5b9e\u73b0\u8ba1\u7b97\u673a\u4e0e\u5916\u90e8\u8bbe\u5907\u4e4b\u95f4\u7684\u901a\u4fe1\uff0c\u5b9e\u73b0\u7f51\u7edc\u8bbe\u5907\u4e4b\u95f4\u7684\u8fdc\u7a0b\u63a7\u5236\uff0c\u5b9e\u73b0\u7f51\u7edc\u8bbe\u5907\u4e4b\u95f4\u7684\u6570\u636e\u4f20\u8f93\u7b49\u3002\u6b64\u5916\uff0cGPIO\u8f6c485\u8fd8\u53ef\u4ee5\u7528\u4e8e\u5b9e\u73b0\u76d1\u63a7\u7cfb\u7edf\uff0c\u5b9e\u73b0\u8fdc\u7a0b\u76d1\u63a7\uff0c\u5b9e\u73b0\u81ea\u52a8\u63a7\u5236\u7b49\u5e94\u7528\u573a\u666f\u3002<\/p>\n

\u5982\u4f55\u4f7f\u7528GPIO\u8f6c485\u6765\u5b9e\u73b0\u8ba1\u7b97\u673a\u4e0e\u5916\u90e8\u8bbe\u5907\u7684\u8fde\u63a5<\/h2>\n

  \u8981\u5b9e\u73b0\u8ba1\u7b97\u673a\u4e0e\u5916\u90e8\u8bbe\u5907\u4e4b\u95f4\u7684\u8fde\u63a5\uff0c\u9996\u5148\u9700\u8981\u51c6\u5907\u4e00\u4e2aGPIO\u8f6c485\u6a21\u5757\uff0c\u5c06GPIO\u63a5\u53e3\u4e0eRS485\u63a5\u53e3\u8fde\u63a5\u8d77\u6765\u3002\u7136\u540e\uff0c\u4f7f\u7528GPIO\u8f6c485\u6a21\u5757\u5c06\u8ba1\u7b97\u673a\u7684GPIO\u63a5\u53e3\u4e0e\u5916\u90e8\u8bbe\u5907\u7684RS485\u63a5\u53e3\u8fde\u63a5\u8d77\u6765\uff0c\u4ece\u800c\u5b9e\u73b0\u8ba1\u7b97\u673a\u4e0e\u5916\u90e8\u8bbe\u5907\u4e4b\u95f4\u7684\u901a\u4fe1\u3002\u6700\u540e\uff0c\u4f7f\u7528\u7279\u5b9a\u7684\u534f\u8bae\uff08\u4f8b\u5982RS232\u3001RS422\u548cRS485\uff09\u6765\u8fdb\u884c\u6570\u636e\u4f20\u8f93\uff0c\u4ece\u800c\u5b9e\u73b0\u8ba1\u7b97\u673a\u4e0e\u5916\u90e8\u8bbe\u5907\u4e4b\u95f4\u7684\u8fde\u63a5\u3002<\/p>\n

\u603b\u7ed3<\/h2>\n

  GPIO\u8f6c485\u662f\u4e00\u79cd\u7528\u4e8e\u8fde\u63a5\u8ba1\u7b97\u673a\u548c\u5916\u90e8\u8bbe\u5907\u7684\u6807\u51c6\uff0c\u5b83\u53ef\u4ee5\u5c06\u8ba1\u7b97\u673a\u7684GPIO\u63a5\u53e3\u8f6c\u6362\u4e3aRS485\u63a5\u53e3\uff0c\u4ece\u800c\u5b9e\u73b0\u8ba1\u7b97\u673a\u4e0e\u5916\u90e8\u8bbe\u5907\u4e4b\u95f4\u7684\u901a\u4fe1\u3002<\/strong>GPIO\u8f6c485\u7684\u4f18\u52bf\u5728\u4e8e\u5b83\u53ef\u4ee5\u5b9e\u73b0\u9ad8\u901f\u4f20\u8f93\u3001\u652f\u6301\u957f\u8ddd\u79bb\u4f20\u8f93\uff0c\u5e76\u53ef\u4ee5\u652f\u6301\u591a\u79cd\u534f\u8bae\uff0c\u4ece\u800c\u4f7f\u8ba1\u7b97\u673a\u4e0e\u5916\u90e8\u8bbe\u5907\u4e4b\u95f4\u7684\u901a\u4fe1\u66f4\u52a0\u7a33\u5b9a\u53ef\u9760\u3002GPIO\u8f6c485\u53ef\u4ee5\u7528\u4e8e\u5b9e\u73b0\u8ba1\u7b97\u673a\u4e0e\u5916\u90e8\u8bbe\u5907\u4e4b\u95f4\u7684\u8fde\u63a5\uff0c\u4ece\u800c\u5b9e\u73b0\u6570\u636e\u4f20\u8f93\u548c\u8fdc\u7a0b\u63a7\u5236\u7b49\u529f\u80fd\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"

GPIO\u8f6c485\u662f\u4e00\u79cd\u7528\u4e8e\u8fde\u63a5\u8ba1\u7b97\u673a\u548c\u5916\u90e8\u8bbe\u5907\u7684\u6807\u51c6\uff0c\u5b83\u53ef\u4ee5\u5e2e\u52a9\u60a8\u66f4\u52a0\u5feb\u901f\u4fbf\u6377\u5730\u5b9e\u73b0\u8ba1\u7b97\u673a\u4e0e\u5916\u90e8\u8bbe\u5907\u7684\u901a\u4fe1\u3002\u672c\u6587\u5c06\u4ecb\u7ecdGPIO\u8f6c485\u7684\u57fa\u672c\u539f\u7406\u3001\u4f18\u52bf\u548c\u5e94\u7528\u573a\u666f\uff0c\u4ee5\u53ca\u5982\u4f55<\/p>\n","protected":false},"author":1,"featured_media":4132,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"site-sidebar-layout":"default","site-content-layout":"default","ast-global-header-display":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","footnotes":""},"categories":[36],"tags":[61],"class_list":["post-40049","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-blog","tag-r"],"_links":{"self":[{"href":"https:\/\/www.techphant.cn\/wp-json\/wp\/v2\/posts\/40049"}],"collection":[{"href":"https:\/\/www.techphant.cn\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.techphant.cn\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.techphant.cn\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.techphant.cn\/wp-json\/wp\/v2\/comments?post=40049"}],"version-history":[{"count":0,"href":"https:\/\/www.techphant.cn\/wp-json\/wp\/v2\/posts\/40049\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.techphant.cn\/wp-json\/wp\/v2\/media\/4132"}],"wp:attachment":[{"href":"https:\/\/www.techphant.cn\/wp-json\/wp\/v2\/media?parent=40049"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.techphant.cn\/wp-json\/wp\/v2\/categories?post=40049"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.techphant.cn\/wp-json\/wp\/v2\/tags?post=40049"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}