{"id":45732,"date":"2023-10-01T09:45:23","date_gmt":"2023-10-01T01:45:23","guid":{"rendered":"https:\/\/www.techphant.cn\/?p=45732"},"modified":"2023-10-01T09:52:06","modified_gmt":"2023-10-01T01:52:06","slug":"syubjrhc","status":"publish","type":"post","link":"https:\/\/www.techphant.cn\/blog\/45732.html","title":{"rendered":"\u4f7f\u7528USART\u4e0d\u63a5RTS\u548cCTS"},"content":{"rendered":"

  USART\uff08Universal Synchronous Asynchronous Receiver Transmitter\uff09\u662f\u4e00\u79cd\u591a\u529f\u80fd\u7684\u5f02\u6b65\/\u540c\u6b65\u6536\u53d1\u5668\uff0c\u5b83\u53ef\u4ee5\u5728\u4e0d\u540c\u7684\u6a21\u5f0f\u4e0b\u5b9e\u73b0\u6570\u636e\u4f20\u8f93\uff0c\u53ef\u4ee5\u88ab\u7528\u4e8e\u5f88\u591a\u4e0d\u540c\u7684\u5e94\u7528\u3002\u6709\u65f6\uff0c\u6211\u4eec\u9700\u8981\u4f7f\u7528USART\u4e0d\u63a5RTS\u548cCTS\uff0c\u8fd9\u79cd\u6a21\u5f0f\u53ef\u4ee5\u5927\u5927\u7b80\u5316\u7cfb\u7edf\u7ed3\u6784\uff0c\u8282\u7701\u7cfb\u7edf\u6210\u672c\u3002\u672c\u6587\u5c06\u4ecb\u7ecdUSART\u4e0d\u63a5RTS\u548cCTS\u7684\u5de5\u4f5c\u539f\u7406\uff0c\u5e76\u7ed3\u5408\u5b9e\u9645\u5e94\u7528\u6848\u4f8b\uff0c\u52a0\u6df1\u8bfb\u8005\u5bf9USART\u4e0d\u63a5RTS\u548cCTS\u7684\u7406\u89e3\u3002<\/p>\n

RTS\/CTS\u6280\u672f\u4ecb\u7ecd<\/h2>\n

  RTS\uff08Request to Send\uff09\u548cCTS\uff08Clear to Send\uff09\u662f\u4e24\u79cd\u5e38\u7528\u7684\u6570\u636e\u6d41\u63a7\u5236\u534f\u8bae\uff0c\u5b83\u4eec\u662f\u57fa\u4e8e\u53d1\u9001\u65b9\u548c\u63a5\u6536\u65b9\u4e4b\u95f4\u7684\u534f\u5546\uff0c\u7528\u6765\u63a7\u5236\u6570\u636e\u7684\u53d1\u9001\uff0c\u907f\u514d\u53d1\u9001\u65b9\u53d1\u9001\u6570\u636e\u8fc7\u5feb\uff0c\u4ece\u800c\u5bfc\u81f4\u63a5\u6536\u65b9\u63a5\u6536\u4e0d\u53ca\u65f6\u3002RTS\/CTS\u6280\u672f\u7684\u6838\u5fc3\u539f\u7406\u662f\uff1a\u53d1\u9001\u65b9\u53d1\u51faRTS\u4fe1\u53f7\uff0c\u63a5\u6536\u65b9\u6536\u5230RTS\u4fe1\u53f7\u540e\uff0c\u53d1\u51faCTS\u4fe1\u53f7\uff0c\u53d1\u9001\u65b9\u6536\u5230CTS\u4fe1\u53f7\u540e\uff0c\u5f00\u59cb\u53d1\u9001\u6570\u636e\u3002<\/p>\n

USART\u4e0d\u63a5RTS\u548cCTS\u7684\u5de5\u4f5c\u539f\u7406<\/h2>\n

  USART\u4e0d\u63a5RTS\u548cCTS\u662f\u4e00\u79cd\u7279\u6b8a\u7684USART\u6a21\u5f0f\uff0c\u5b83\u4e0d\u9700\u8981\u4f7f\u7528RTS\/CTS\u6280\u672f\uff0c\u800c\u662f\u4f7f\u7528\u786c\u4ef6\u7f13\u51b2\u533a\u6765\u63a7\u5236\u6570\u636e\u7684\u53d1\u9001\u548c\u63a5\u6536\u3002USART\u4e0d\u63a5RTS\u548cCTS\u7684\u5de5\u4f5c\u539f\u7406\u662f\uff1a\u53d1\u9001\u65b9\u5c06\u6570\u636e\u5199\u5165\u786c\u4ef6\u7f13\u51b2\u533a\uff0c\u7136\u540e\u901a\u8fc7\u53d1\u9001\u4fe1\u53f7\u6765\u901a\u77e5\u63a5\u6536\u65b9\uff0c\u63a5\u6536\u65b9\u53ea\u9700\u8981\u4ece\u786c\u4ef6\u7f13\u51b2\u533a\u4e2d\u8bfb\u53d6\u6570\u636e\uff0c\u800c\u4e0d\u9700\u8981\u7b49\u5f85\u53d1\u9001\u65b9\u53d1\u9001\u6570\u636e\uff0c\u4ece\u800c\u5927\u5927\u63d0\u9ad8\u4e86\u6570\u636e\u4f20\u8f93\u7684\u6548\u7387\u3002<\/p>\n

\u5b9e\u9645\u5e94\u7528\u6848\u4f8b<\/h2>\n

  USART\u4e0d\u63a5RTS\u548cCTS\u7684\u5b9e\u9645\u5e94\u7528\u6848\u4f8b\u5f88\u591a\uff0c\u5982PC\u673a\u4e0e\u5916\u90e8\u8bbe\u5907\u7684\u6570\u636e\u901a\u4fe1\uff0cPLC\u4e0e\u5176\u4ed6\u8bbe\u5907\u7684\u6570\u636e\u901a\u4fe1\u7b49\u3002\u4f8b\u5982\uff0c\u4e00\u4e2aPC\u673a\u53ef\u4ee5\u4f7f\u7528USART\u4e0d\u63a5RTS\u548cCTS\u6765\u4e0e\u4e00\u4e2a\u5916\u90e8\u8bbe\u5907\u8fdb\u884c\u6570\u636e\u901a\u4fe1\uff0cPC\u673a\u53ef\u4ee5\u5c06\u6570\u636e\u5199\u5165\u786c\u4ef6\u7f13\u51b2\u533a\uff0c\u7136\u540e\u53d1\u9001\u4fe1\u53f7\u7ed9\u5916\u90e8\u8bbe\u5907\uff0c\u5916\u90e8\u8bbe\u5907\u6536\u5230\u4fe1\u53f7\u540e\uff0c\u5c31\u53ef\u4ee5\u4ece\u786c\u4ef6\u7f13\u51b2\u533a\u4e2d\u8bfb\u53d6\u6570\u636e\uff0c\u4ece\u800c\u5b9e\u73b0PC\u673a\u4e0e\u5916\u90e8\u8bbe\u5907\u7684\u6570\u636e\u901a\u4fe1\u3002<\/p>\n

\u603b\u7ed3<\/h2>\n

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USART\uff08UniversalSynchronousAsynchronousReceiverTransmitter\uff09\u662f\u4e00\u79cd\u591a\u529f\u80fd\u7684\u5f02\u6b65\/\u540c\u6b65\u6536\u53d1\u5668\uff0c\u5b83\u53ef\u4ee5\u5728\u4e0d\u540c\u7684<\/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":[305],"class_list":["post-45732","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-blog","tag-dzjs"],"_links":{"self":[{"href":"https:\/\/www.techphant.cn\/wp-json\/wp\/v2\/posts\/45732","targetHints":{"allow":["GET"]}}],"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=45732"}],"version-history":[{"count":0,"href":"https:\/\/www.techphant.cn\/wp-json\/wp\/v2\/posts\/45732\/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=45732"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.techphant.cn\/wp-json\/wp\/v2\/categories?post=45732"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.techphant.cn\/wp-json\/wp\/v2\/tags?post=45732"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}