{"id":1817,"date":"2021-10-16T11:49:19","date_gmt":"2021-10-16T03:49:19","guid":{"rendered":"https:\/\/blog.iyatt.com\/?p=1817"},"modified":"2024-05-05T14:19:36","modified_gmt":"2024-05-05T06:19:36","slug":"%e6%a0%91%e8%8e%93%e6%b4%be4b%e4%b8%b2%e5%8f%a3%e9%80%9a%e4%bf%a1","status":"publish","type":"post","link":"https:\/\/blog.iyatt.com\/?p=1817","title":{"rendered":"\u6811\u8393\u6d3e\u4e32\u53e3\u901a\u4fe1"},"content":{"rendered":"\n<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_82_2 ez-toc-wrap-center counter-hierarchy ez-toc-counter ez-toc-light-blue ez-toc-container-direction\">\n<div class=\"ez-toc-title-container\">\n<p class=\"ez-toc-title ez-toc-toggle\" style=\"cursor:pointer\">\u76ee\u5f55<\/p>\n<span class=\"ez-toc-title-toggle\"><a href=\"#\" class=\"ez-toc-pull-right ez-toc-btn ez-toc-btn-xs ez-toc-btn-default ez-toc-toggle\" aria-label=\"Toggle Table of Content\"><span class=\"ez-toc-js-icon-con\"><span class=\"\"><span class=\"eztoc-hide\" style=\"display:none;\">Toggle<\/span><span class=\"ez-toc-icon-toggle-span\"><svg style=\"fill: #999;color:#999\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" class=\"list-377408\" width=\"20px\" height=\"20px\" viewBox=\"0 0 24 24\" fill=\"none\"><path d=\"M6 6H4v2h2V6zm14 0H8v2h12V6zM4 11h2v2H4v-2zm16 0H8v2h12v-2zM4 16h2v2H4v-2zm16 0H8v2h12v-2z\" fill=\"currentColor\"><\/path><\/svg><svg style=\"fill: #999;color:#999\" class=\"arrow-unsorted-368013\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"10px\" height=\"10px\" viewBox=\"0 0 24 24\" version=\"1.2\" baseProfile=\"tiny\"><path d=\"M18.2 9.3l-6.2-6.3-6.2 6.3c-.2.2-.3.4-.3.7s.1.5.3.7c.2.2.4.3.7.3h11c.3 0 .5-.1.7-.3.2-.2.3-.5.3-.7s-.1-.5-.3-.7zM5.8 14.7l6.2 6.3 6.2-6.3c.2-.2.3-.5.3-.7s-.1-.5-.3-.7c-.2-.2-.4-.3-.7-.3h-11c-.3 0-.5.1-.7.3-.2.2-.3.5-.3.7s.1.5.3.7z\"\/><\/svg><\/span><\/span><\/span><\/a><\/span><\/div>\n<nav><ul class='ez-toc-list ez-toc-list-level-1 ' ><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/blog.iyatt.com\/?p=1817\/#%E6%B5%8B%E8%AF%95%E8%AE%BE%E5%A4%87\" >\u6d4b\u8bd5\u8bbe\u5907<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/blog.iyatt.com\/?p=1817\/#%E7%AE%80%E8%BF%B0\" >\u7b80\u8ff0<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/blog.iyatt.com\/?p=1817\/#%E6%93%8D%E4%BD%9C\" >\u64cd\u4f5c<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/blog.iyatt.com\/?p=1817\/#%E6%B5%8B%E8%AF%95%E4%BD%BF%E7%94%A8\" >\u6d4b\u8bd5\u4f7f\u7528<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/blog.iyatt.com\/?p=1817\/#%E5%BC%80%E5%8F%91%EF%BC%88py%EF%BC%89\" >\u5f00\u53d1\uff08py\uff09<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-6\" href=\"https:\/\/blog.iyatt.com\/?p=1817\/#%E8%B5%84%E6%BA%90\" >\u8d44\u6e90<\/a><\/li><\/ul><\/nav><\/div>\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"%E6%B5%8B%E8%AF%95%E8%AE%BE%E5%A4%87\"><\/span>\u6d4b\u8bd5\u8bbe\u5907<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>\u6811\u8393\u6d3e4B \u5b98\u65b964\u4f4d\u7cfb\u7edf\uff08Debian10\uff09<\/p>\n\n\n\n<p>\u6811\u8393\u6d3ecm4 \u5b98\u65b964\u4f4d\u7cfb\u7edf\uff08Debian10\uff09<\/p>\n\n\n\n<p>USB \u8f6c\u4e32\u53e3\u6a21\u5757\uff1a<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img decoding=\"async\" width=\"1024\" height=\"430\" data-src=\"https:\/\/blog.iyatt.com\/wp-content\/uploads\/2022\/01\/qq_pic_merged_1643122693489-1024x430.jpg\" alt=\"\" class=\"wp-image-2977 lazyload\" data-srcset=\"https:\/\/blog.iyatt.com\/wp-content\/uploads\/2022\/01\/qq_pic_merged_1643122693489-1024x430.jpg 1024w, https:\/\/blog.iyatt.com\/wp-content\/uploads\/2022\/01\/qq_pic_merged_1643122693489-300x126.jpg 300w, https:\/\/blog.iyatt.com\/wp-content\/uploads\/2022\/01\/qq_pic_merged_1643122693489-768x322.jpg 768w, https:\/\/blog.iyatt.com\/wp-content\/uploads\/2022\/01\/qq_pic_merged_1643122693489.jpg 1094w\" data-sizes=\"(max-width: 1024px) 100vw, 1024px\" src=\"data:image\/svg+xml;base64,PHN2ZyB3aWR0aD0iMSIgaGVpZ2h0PSIxIiB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciPjwvc3ZnPg==\" style=\"--smush-placeholder-width: 1024px; --smush-placeholder-aspect-ratio: 1024\/430;\" \/><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"%E7%AE%80%E8%BF%B0\"><\/span>\u7b80\u8ff0<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>\u6811\u8393\u6d3e CPU \u6709\u4e24\u4e2a\u4e32\u53e3\uff0c\u4e00\u4e2a\u662f\u786c\u4ef6\u4e32\u53e3\uff08PL011 UART\uff09\uff0c\u53e6\u4e00\u4e2a\u662f\u8ff7\u4f60\u4e32\u53e3\uff08mini-uart\uff09\u3002\u5176\u4e2d\u8ff7\u4f60\u4e32\u53e3\u6ca1\u6709\u65f6\u949f\u6e90\uff0c\u53d7 CPU \u9891\u7387\u5f71\u54cd\uff0c\u56e0\u6b64\u901f\u7387\u4e0d\u592a\u7a33\u5b9a\uff0c\u751a\u81f3\u65e0\u6cd5\u6b63\u5e38\u4f7f\u7528\u3002\u800c\u9ed8\u8ba4\u786c\u4ef6\u4e32\u53e3\u662f\u5206\u914d\u7ed9\u84dd\u7259\u4f7f\u7528\u7684\uff0c\u5982\u679c\u8981\u4f7f\u7528\u7a33\u5b9a\u7684\u786c\u4ef6\u4e32\u53e3\uff0c\u76ee\u524d\u7684\u65b9\u6848\u662f\u5173\u95ed\u84dd\u7259\u5bf9\u786c\u4ef6\u4e32\u53e3\u7684\u4f7f\u7528\uff0c\u5c06\u786c\u4ef6\u4e32\u53e3\u5206\u914d\u7ed9 GPIO\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img decoding=\"async\" width=\"640\" height=\"648\" data-src=\"https:\/\/blog.iyatt.com\/wp-content\/uploads\/2022\/01\/image-67.png\" alt=\"\" class=\"wp-image-2965 lazyload\" data-srcset=\"https:\/\/blog.iyatt.com\/wp-content\/uploads\/2022\/01\/image-67.png 640w, https:\/\/blog.iyatt.com\/wp-content\/uploads\/2022\/01\/image-67-296x300.png 296w\" data-sizes=\"(max-width: 640px) 100vw, 640px\" src=\"data:image\/svg+xml;base64,PHN2ZyB3aWR0aD0iMSIgaGVpZ2h0PSIxIiB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciPjwvc3ZnPg==\" style=\"--smush-placeholder-width: 640px; --smush-placeholder-aspect-ratio: 640\/648;\" \/><\/figure>\n\n\n\n<figure class=\"wp-block-image size-full\"><img decoding=\"async\" width=\"515\" height=\"71\" data-src=\"https:\/\/blog.iyatt.com\/wp-content\/uploads\/2021\/10\/image.png\" alt=\"\" class=\"wp-image-1821 lazyload\" data-srcset=\"https:\/\/blog.iyatt.com\/wp-content\/uploads\/2021\/10\/image.png 515w, https:\/\/blog.iyatt.com\/wp-content\/uploads\/2021\/10\/image-300x41.png 300w\" data-sizes=\"(max-width: 515px) 100vw, 515px\" src=\"data:image\/svg+xml;base64,PHN2ZyB3aWR0aD0iMSIgaGVpZ2h0PSIxIiB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciPjwvc3ZnPg==\" style=\"--smush-placeholder-width: 515px; --smush-placeholder-aspect-ratio: 515\/71;\" \/><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"%E6%93%8D%E4%BD%9C\"><\/span>\u64cd\u4f5c<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>\u6253\u5f00\u4e32\u53e3\u529f\u80fd<\/p>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">sudo raspi-config<\/pre>\n\n\n\n<figure class=\"wp-block-image size-full\"><img decoding=\"async\" width=\"663\" height=\"450\" data-src=\"https:\/\/blog.iyatt.com\/wp-content\/uploads\/2021\/10\/image-1.png\" alt=\"\" class=\"wp-image-1822 lazyload\" data-srcset=\"https:\/\/blog.iyatt.com\/wp-content\/uploads\/2021\/10\/image-1.png 663w, https:\/\/blog.iyatt.com\/wp-content\/uploads\/2021\/10\/image-1-300x204.png 300w\" data-sizes=\"(max-width: 663px) 100vw, 663px\" src=\"data:image\/svg+xml;base64,PHN2ZyB3aWR0aD0iMSIgaGVpZ2h0PSIxIiB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciPjwvc3ZnPg==\" style=\"--smush-placeholder-width: 663px; --smush-placeholder-aspect-ratio: 663\/450;\" \/><\/figure>\n\n\n\n<figure class=\"wp-block-image size-full\"><img decoding=\"async\" width=\"662\" height=\"452\" data-src=\"https:\/\/blog.iyatt.com\/wp-content\/uploads\/2021\/10\/image-2.png\" alt=\"\" class=\"wp-image-1823 lazyload\" data-srcset=\"https:\/\/blog.iyatt.com\/wp-content\/uploads\/2021\/10\/image-2.png 662w, https:\/\/blog.iyatt.com\/wp-content\/uploads\/2021\/10\/image-2-300x205.png 300w\" data-sizes=\"(max-width: 662px) 100vw, 662px\" src=\"data:image\/svg+xml;base64,PHN2ZyB3aWR0aD0iMSIgaGVpZ2h0PSIxIiB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciPjwvc3ZnPg==\" style=\"--smush-placeholder-width: 662px; --smush-placeholder-aspect-ratio: 662\/452;\" \/><\/figure>\n\n\n\n<p>\u4e0b\u9762\u8fd9\u4e2a\u5efa\u8bae\u9009<strong>\u5426<\/strong>\uff0c\u5982\u679c\u9009<strong>\u662f<\/strong>\uff0c\u90a3\u4e48\u5fc5\u987b\u4ee5 root \u624d\u80fd\u64cd\u4f5c\u4e32\u53e3<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img decoding=\"async\" width=\"652\" height=\"453\" data-src=\"https:\/\/blog.iyatt.com\/wp-content\/uploads\/2021\/10\/image-3.png\" alt=\"\" class=\"wp-image-1824 lazyload\" data-srcset=\"https:\/\/blog.iyatt.com\/wp-content\/uploads\/2021\/10\/image-3.png 652w, https:\/\/blog.iyatt.com\/wp-content\/uploads\/2021\/10\/image-3-300x208.png 300w\" data-sizes=\"(max-width: 652px) 100vw, 652px\" src=\"data:image\/svg+xml;base64,PHN2ZyB3aWR0aD0iMSIgaGVpZ2h0PSIxIiB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciPjwvc3ZnPg==\" style=\"--smush-placeholder-width: 652px; --smush-placeholder-aspect-ratio: 652\/453;\" \/><\/figure>\n\n\n\n<figure class=\"wp-block-image size-full\"><img decoding=\"async\" width=\"656\" height=\"459\" data-src=\"https:\/\/blog.iyatt.com\/wp-content\/uploads\/2021\/10\/image-4.png\" alt=\"\" class=\"wp-image-1825 lazyload\" data-srcset=\"https:\/\/blog.iyatt.com\/wp-content\/uploads\/2021\/10\/image-4.png 656w, https:\/\/blog.iyatt.com\/wp-content\/uploads\/2021\/10\/image-4-300x210.png 300w\" data-sizes=\"(max-width: 656px) 100vw, 656px\" src=\"data:image\/svg+xml;base64,PHN2ZyB3aWR0aD0iMSIgaGVpZ2h0PSIxIiB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciPjwvc3ZnPg==\" style=\"--smush-placeholder-width: 656px; --smush-placeholder-aspect-ratio: 656\/459;\" \/><\/figure>\n\n\n\n<p>\u8bbe\u7f6e\u786c\u4ef6\u4e32\u53e3\u4e3a GPIO \u4e32\u53e3\uff0c\u4ee5 root \u6743\u9650\u7f16\u8f91 \/boot\/config.txt \u6dfb\u52a0\u4e00\u884c<\/p>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">dtoverlay=miniuart-bt<\/pre>\n\n\n\n<p>\u4fdd\u5b58\u9000\u51fa\u540e\u91cd\u542f\u6811\u8393\u6d3e\uff0c\u53ef\u4ee5\u770b\u5230\u4e32\u53e3\u5bf9\u6362\u4e86<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img decoding=\"async\" width=\"535\" height=\"178\" data-src=\"https:\/\/blog.iyatt.com\/wp-content\/uploads\/2021\/10\/image-5.png\" alt=\"\" class=\"wp-image-1827 lazyload\" data-srcset=\"https:\/\/blog.iyatt.com\/wp-content\/uploads\/2021\/10\/image-5.png 535w, https:\/\/blog.iyatt.com\/wp-content\/uploads\/2021\/10\/image-5-300x100.png 300w\" data-sizes=\"(max-width: 535px) 100vw, 535px\" src=\"data:image\/svg+xml;base64,PHN2ZyB3aWR0aD0iMSIgaGVpZ2h0PSIxIiB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciPjwvc3ZnPg==\" style=\"--smush-placeholder-width: 535px; --smush-placeholder-aspect-ratio: 535\/178;\" \/><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"%E6%B5%8B%E8%AF%95%E4%BD%BF%E7%94%A8\"><\/span>\u6d4b\u8bd5\u4f7f\u7528<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>\u6ce8\u610f USB \u8f6c\u4e32\u53e3\u6a21\u5757\u548c\u6811\u8393\u6d3e GPIO \u8981\u4ea4\u53c9\u63a5\uff0crx \u5bf9 tx\uff0ctx \u5bf9 rx\uff0c\u53e6\u5916\u518d\u5bf9\u5e94\u63a5\u4e0a GND \u5171\u4e09\u7ebf\u5c31\u884c\u3002<\/p>\n\n\n\n<p>\u6811\u8393\u6d3e\u7ec8\u7aef\u4f7f\u7528 <strong><span class=\"has-inline-color has-vivid-red-color\">echo \u6570\u636e\u5185\u5bb9 &gt;\/dev\/serial0<\/span><\/strong> \u53d1\u9001\u6570\u636e\uff0c\u4f7f\u7528 <strong><span class=\"has-inline-color has-vivid-red-color\">cat \/dev\/serial0<\/span><\/strong> \u63a5\u6536\u6570\u636e<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img decoding=\"async\" width=\"1024\" height=\"683\" data-src=\"https:\/\/blog.iyatt.com\/wp-content\/uploads\/2021\/10\/image-6-1024x683.png\" alt=\"\" class=\"wp-image-1831 lazyload\" data-srcset=\"https:\/\/blog.iyatt.com\/wp-content\/uploads\/2021\/10\/image-6-1024x683.png 1024w, https:\/\/blog.iyatt.com\/wp-content\/uploads\/2021\/10\/image-6-300x200.png 300w, https:\/\/blog.iyatt.com\/wp-content\/uploads\/2021\/10\/image-6-768x513.png 768w, https:\/\/blog.iyatt.com\/wp-content\/uploads\/2021\/10\/image-6.png 1413w\" data-sizes=\"(max-width: 1024px) 100vw, 1024px\" src=\"data:image\/svg+xml;base64,PHN2ZyB3aWR0aD0iMSIgaGVpZ2h0PSIxIiB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciPjwvc3ZnPg==\" style=\"--smush-placeholder-width: 1024px; --smush-placeholder-aspect-ratio: 1024\/683;\" \/><\/figure>\n\n\n\n<figure class=\"wp-block-image size-large\"><img decoding=\"async\" width=\"1024\" height=\"586\" data-src=\"https:\/\/blog.iyatt.com\/wp-content\/uploads\/2021\/10\/image-7-1024x586.png\" alt=\"\" class=\"wp-image-1832 lazyload\" data-srcset=\"https:\/\/blog.iyatt.com\/wp-content\/uploads\/2021\/10\/image-7-1024x586.png 1024w, https:\/\/blog.iyatt.com\/wp-content\/uploads\/2021\/10\/image-7-300x172.png 300w, https:\/\/blog.iyatt.com\/wp-content\/uploads\/2021\/10\/image-7-768x439.png 768w, https:\/\/blog.iyatt.com\/wp-content\/uploads\/2021\/10\/image-7-1536x878.png 1536w, https:\/\/blog.iyatt.com\/wp-content\/uploads\/2021\/10\/image-7.png 1553w\" data-sizes=\"(max-width: 1024px) 100vw, 1024px\" src=\"data:image\/svg+xml;base64,PHN2ZyB3aWR0aD0iMSIgaGVpZ2h0PSIxIiB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciPjwvc3ZnPg==\" style=\"--smush-placeholder-width: 1024px; --smush-placeholder-aspect-ratio: 1024\/586;\" \/><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"%E5%BC%80%E5%8F%91%EF%BC%88py%EF%BC%89\"><\/span>\u5f00\u53d1\uff08py\uff09<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>\u5b89\u88c5\u4e32\u53e3\u5e93<\/p>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">python3 -m pip install pyserial==3.5<\/pre>\n\n\n\n<p>\u793a\u4f8b\u7a0b\u5e8f<\/p>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">#!\/usr\/bin\/env python3\n\"\"\"\n@file serialTest.py\n@author IYATT-yx iyatt@iyatt.com\n@brief \u4e32\u53e3\u6d4b\u8bd5\n\"\"\"\ntry:\n    import serial\nexcept ModuleNotFoundError:\n    import os\n    os.system('pip3 install pyserial==3.5')\n    import serial\nimport signal\n\nclass Serial(object):\n    \"\"\"\u4e32\u53e3\u7c7b\n    \u6536\u5230\u6570\u636e\u540e\uff0c\u663e\u793a\u51fa\u6765\uff0c\u5e76\u5c06\u6536\u5230\u7684\u6570\u636e\u4f20\u7ed9\u53d1\u9001\u8005\n    \"\"\"\n    def __init__(self):\n        self.__ser = serial.Serial('\/dev\/serial0', 9600)  # \u7aef\u53e3 \u6ce2\u7279\u7387\n        signal.signal(signal.SIGINT, self.__quitHander)  # \u6ce8\u518c\u4fe1\u53f7\uff0c\u6309 Ctrl + C \u9000\u51fa\u7a0b\u5e8f\n\n    def work(self):\n        \"\"\"\u5de5\u4f5c\n        \"\"\"\n        print('\u4e32\u53e3\u7a0b\u5e8f\u5f00\u59cb\u5de5\u4f5c...')\n        while True:\n            recv = self.__ser.readline()\n            print(recv.decode('utf-8'), end='')  # \u6ce8\u610f\u901a\u4fe1\u91c7\u7528 UTF-8 \u7f16\u7801\uff0c\u5b57\u7b26\u4e32\u5e94\u4ee5 '\\n' \u7ed3\u5c3e\n            self.__ser.write(recv)\n\n    def __quitHander(self, signum, frame):\n        \"\"\"\u5904\u7406\u540e\u4e8b\n        \"\"\"\n        self.__ser.close()\n        print('\u9000\u51fa\u7a0b\u5e8f')\n        exit()\n\nif __name__ == '__main__':\n    app = Serial()\n    app.work()\n<\/pre>\n\n\n\n<figure class=\"wp-block-image size-large\"><img decoding=\"async\" width=\"1024\" height=\"662\" data-src=\"https:\/\/blog.iyatt.com\/wp-content\/uploads\/2021\/10\/image-8-1024x662.png\" alt=\"\" class=\"wp-image-1833 lazyload\" data-srcset=\"https:\/\/blog.iyatt.com\/wp-content\/uploads\/2021\/10\/image-8-1024x662.png 1024w, https:\/\/blog.iyatt.com\/wp-content\/uploads\/2021\/10\/image-8-300x194.png 300w, https:\/\/blog.iyatt.com\/wp-content\/uploads\/2021\/10\/image-8-768x496.png 768w, https:\/\/blog.iyatt.com\/wp-content\/uploads\/2021\/10\/image-8.png 1334w\" data-sizes=\"(max-width: 1024px) 100vw, 1024px\" src=\"data:image\/svg+xml;base64,PHN2ZyB3aWR0aD0iMSIgaGVpZ2h0PSIxIiB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciPjwvc3ZnPg==\" style=\"--smush-placeholder-width: 1024px; --smush-placeholder-aspect-ratio: 1024\/662;\" \/><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"%E8%B5%84%E6%BA%90\"><\/span>\u8d44\u6e90<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p><a href=\"https:\/\/blog.iyatt.com\/?p=11016\" data-type=\"link\" data-id=\"https:\/\/blog.iyatt.com\/?p=11016\">\u4e32\u53e3\u9a71\u52a8<\/a><\/p>\n\n\n\n<p><a href=\"https:\/\/www.vofa.plus\/\" data-type=\"URL\" data-id=\"https:\/\/www.vofa.plus\/\" target=\"_blank\" rel=\"noreferrer noopener\">\u4e32\u53e3\u4e0a\u4f4d\u673a<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u6d4b\u8bd5\u8bbe\u5907 \u6811\u8393\u6d3e4B \u5b98\u65b964\u4f4d\u7cfb\u7edf\uff08Debian10\uff09 \u6811\u8393\u6d3ecm4 \u5b98\u65b964\u4f4d\u7cfb\u7edf\uff08Debian10\uff09 U [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"zakra_page_container_layout":"customizer","zakra_page_sidebar_layout":"customizer","zakra_remove_content_margin":false,"zakra_sidebar":"customizer","zakra_transparent_header":"customizer","zakra_logo":0,"zakra_main_header_style":"default","zakra_menu_item_color":"","zakra_menu_item_hover_color":"","zakra_menu_item_active_color":"","zakra_menu_active_style":"","zakra_page_header":true,"_lmt_disableupdate":"","_lmt_disable":"","footnotes":""},"categories":[1,600],"tags":[],"class_list":["post-1817","post","type-post","status-publish","format-standard","hentry","category-all","category-600"],"modified_by":"IYATT-yx","_links":{"self":[{"href":"https:\/\/blog.iyatt.com\/index.php?rest_route=\/wp\/v2\/posts\/1817","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/blog.iyatt.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/blog.iyatt.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/blog.iyatt.com\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/blog.iyatt.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=1817"}],"version-history":[{"count":0,"href":"https:\/\/blog.iyatt.com\/index.php?rest_route=\/wp\/v2\/posts\/1817\/revisions"}],"wp:attachment":[{"href":"https:\/\/blog.iyatt.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=1817"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/blog.iyatt.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=1817"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/blog.iyatt.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=1817"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}