{"id":198584,"date":"2024-11-14T20:29:06","date_gmt":"2024-11-14T12:29:06","guid":{"rendered":"https:\/\/server.hk\/cnblog\/198584\/"},"modified":"2024-11-14T20:29:06","modified_gmt":"2024-11-14T12:29:06","slug":"%e3%80%8c%e7%8e%a9%e8%bd%89%e6%a8%b9%e8%8e%93%e6%b4%be%e3%80%8d%e6%95%99%e4%bd%a0%e8%bc%95%e9%ac%86%e5%af%a6%e7%8f%belinux-gpio%e9%bb%9e%e7%87%88%e6%8e%a7%e5%88%b6-linux-gpio%e9%bb%9e%e7%87%88","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/198584\/","title":{"rendered":"\u300c\u73a9\u8f49\u6a39\u8393\u6d3e\u300d\u6559\u4f60\u8f15\u9b06\u5be6\u73felinux gpio\u9ede\u71c8\u63a7\u5236 (linux gpio\u9ede\u71c8)"},"content":{"rendered":"<h1 id=\"%e3%80%8c%e7%8e%a9%e8%bd%89%e6%a8%b9%e8%8e%93%e6%b4%be%e3%80%8d%e6%95%99%e4%bd%a0%e8%bc%95%e9%ac%86%e5%af%a6%e7%8f%belinux-gpio%e9%bb%9e%e7%87%88%e6%8e%a7%e5%88%b6-ZbxfTfqXdZ\">\u300c\u73a9\u8f49\u6a39\u8393\u6d3e\u300d\u6559\u4f60\u8f15\u9b06\u5be6\u73feLinux GPIO\u9ede\u71c8\u63a7\u5236<\/h1>\n<p>\u6a39\u8393\u6d3e\uff08Raspberry Pi\uff09\u662f\u4e00\u6b3e\u5ee3\u53d7\u6b61\u8fce\u7684\u55ae\u677f\u96fb\u8166\uff0c\u56e0\u5176\u5c0f\u5de7\u3001\u4fbf\u5b9c\u4e14\u529f\u80fd\u5f37\u5927\uff0c\u6210\u70ba\u4e86\u8a31\u591aDIY\u611b\u597d\u8005\u548c\u958b\u767c\u8005\u7684\u9996\u9078\u3002\u900f\u904e\u6a39\u8393\u6d3e\uff0c\u6211\u5011\u53ef\u4ee5\u8f15\u9b06\u5730\u5be6\u73fe\u5404\u7a2e\u6709\u8da3\u7684\u9805\u76ee\uff0c\u5176\u4e2d\u4e4b\u4e00\u4fbf\u662f\u5229\u7528Linux GPIO\uff08\u901a\u7528\u8f38\u5165\u8f38\u51fa\uff09\u4f86\u63a7\u5236\u71c8\u5149\u3002\u672c\u6587\u5c07\u4ecb\u7d39\u5982\u4f55\u4f7f\u7528\u6a39\u8393\u6d3e\u548cLinux GPIO\u4f86\u5be6\u73fe\u7c21\u55ae\u7684\u9ede\u71c8\u63a7\u5236\u3002<\/p>\n<h2 id=\"%e4%bb%80%e9%ba%bc%e6%98%afgpio%ef%bc%9f-ZbxfTfqXdZ\">\u4ec0\u9ebc\u662fGPIO\uff1f<\/h2>\n<p>GPIO\u662f\u901a\u7528\u8f38\u5165\u8f38\u51fa\uff08General Purpose Input\/Output\uff09\u7684\u7e2e\u5beb\uff0c\u9019\u662f\u4e00\u7a2e\u53ef\u4ee5\u7528\u4f86\u63a7\u5236\u6216\u8b80\u53d6\u96fb\u5b50\u5143\u4ef6\u7684\u63a5\u53e3\u3002\u6a39\u8393\u6d3e\u7684GPIO\u5f15\u8173\u53ef\u4ee5\u7528\u4f86\u9023\u63a5\u5404\u7a2e\u8a2d\u5099\uff0c\u5982LED\u71c8\u3001\u6309\u9215\u3001\u50b3\u611f\u5668\u7b49\u3002\u900f\u904e\u7de8\u7a0b\uff0c\u6211\u5011\u53ef\u4ee5\u63a7\u5236\u9019\u4e9b\u5f15\u8173\u7684\u9ad8\u4f4e\u96fb\u5e73\uff0c\u5f9e\u800c\u5be6\u73fe\u958b\u95dc\u63a7\u5236\u3002<\/p>\n<h2 id=\"%e6%89%80%e9%9c%80%e6%9d%90%e6%96%99-ZbxfTfqXdZ\">\u6240\u9700\u6750\u6599<\/h2>\n<ul>\n<li>\u6a39\u8393\u6d3e\uff08\u4efb\u4f55\u578b\u865f\u5747\u53ef\uff09<\/li>\n<li>LED\u71c8<\/li>\n<li>220\u03a9\u96fb\u963b<\/li>\n<li>\u9762\u5305\u677f\u548c\u8df3\u7dda<\/li>\n<li>Raspbian\u64cd\u4f5c\u7cfb\u7d71\uff08\u6216\u5176\u4ed6Linux\u767c\u884c\u7248\uff09<\/li>\n<\/ul>\n<h2 id=\"%e7%a1%ac%e9%ab%94%e9%80%a3%e6%8e%a5-ZbxfTfqXdZ\">\u786c\u9ad4\u9023\u63a5<\/h2>\n<p>\u9996\u5148\uff0c\u6211\u5011\u9700\u8981\u5c07LED\u71c8\u9023\u63a5\u5230\u6a39\u8393\u6d3e\u7684GPIO\u5f15\u8173\u4e0a\u3002\u4ee5\u4e0b\u662f\u9023\u63a5\u7684\u6b65\u9a5f\uff1a<\/p>\n<ol>\n<li>\u5c07LED\u7684\u9577\u8173\uff08\u6b63\u6975\uff09\u9023\u63a5\u5230\u6a39\u8393\u6d3e\u7684GPIO\u5f15\u8173\uff08\u4f8b\u5982GPIO17\uff09\u3002<\/li>\n<li>\u5c07LED\u7684\u77ed\u8173\uff08\u8ca0\u6975\uff09\u901a\u904e220\u03a9\u96fb\u963b\u9023\u63a5\u5230\u6a39\u8393\u6d3e\u7684GND\u5f15\u8173\u3002<\/li>\n<\/ol>\n<p>\u9019\u6a23\uff0c\u6211\u5011\u5c31\u5b8c\u6210\u4e86\u786c\u9ad4\u7684\u9023\u63a5\u3002\u63a5\u4e0b\u4f86\uff0c\u6211\u5011\u5c07\u9032\u884c\u8edf\u9ad4\u7684\u8a2d\u7f6e\u3002<\/p>\n<h2 id=\"%e5%ae%89%e8%a3%9d%e5%bf%85%e8%a6%81%e7%9a%84%e8%bb%9f%e9%ab%94-ZbxfTfqXdZ\">\u5b89\u88dd\u5fc5\u8981\u7684\u8edf\u9ad4<\/h2>\n<p>\u5728\u6a39\u8393\u6d3e\u4e0a\uff0c\u6211\u5011\u9700\u8981\u5b89\u88ddPython\u548cRPi.GPIO\u5eab\u4f86\u63a7\u5236GPIO\u5f15\u8173\u3002\u6253\u958b\u7d42\u7aef\u6a5f\uff0c\u8f38\u5165\u4ee5\u4e0b\u547d\u4ee4\uff1a<\/p>\n<pre><code>sudo apt-get update\nsudo apt-get install python3-rpi.gpio<\/code><\/pre>\n<h2 id=\"%e7%b7%a8%e5%af%ab%e6%8e%a7%e5%88%b6%e7%a8%8b%e5%bc%8f-ZbxfTfqXdZ\">\u7de8\u5beb\u63a7\u5236\u7a0b\u5f0f<\/h2>\n<p>\u63a5\u4e0b\u4f86\uff0c\u6211\u5011\u5c07\u7de8\u5beb\u4e00\u500b\u7c21\u55ae\u7684Python\u7a0b\u5f0f\u4f86\u63a7\u5236LED\u71c8\u7684\u958b\u95dc\u3002\u4f7f\u7528\u6587\u672c\u7de8\u8f2f\u5668\u5275\u5efa\u4e00\u500b\u65b0\u7684Python\u6a94\u6848\uff0c\u4f8b\u5982led_control.py\uff1a<\/p>\n<pre><code>import RPi.GPIO as GPIO\nimport time\n\n# \u8a2d\u5b9aGPIO\u6a21\u5f0f\nGPIO.setmode(GPIO.BCM)\n\n# \u8a2d\u5b9aGPIO17\u70ba\u8f38\u51fa\u6a21\u5f0f\nGPIO.setup(17, GPIO.OUT)\n\ntry:\n    while True:\n        GPIO.output(17, GPIO.HIGH)  # \u958b\u71c8\n        time.sleep(1)                # \u7b49\u5f851\u79d2\n        GPIO.output(17, GPIO.LOW)   # \u95dc\u71c8\n        time.sleep(1)                # \u7b49\u5f851\u79d2\nexcept KeyboardInterrupt:\n    pass\nfinally:\n    GPIO.cleanup()  # \u6e05\u7406GPIO\u8a2d\u7f6e<\/code><\/pre>\n<p>\u9019\u6bb5\u7a0b\u5f0f\u78bc\u5c07\u4f7fLED\u71c8\u6bcf\u9694\u4e00\u79d2\u958b\u95dc\u4e00\u6b21\u3002\u7576\u4f60\u6309\u4e0bCtrl+C\u6642\uff0c\u7a0b\u5f0f\u5c07\u505c\u6b62\u904b\u884c\u4e26\u6e05\u7406GPIO\u8a2d\u7f6e\u3002<\/p>\n<h2 id=\"%e9%81%8b%e8%a1%8c%e7%a8%8b%e5%bc%8f-ZbxfTfqXdZ\">\u904b\u884c\u7a0b\u5f0f<\/h2>\n<p>\u5728\u7d42\u7aef\u6a5f\u4e2d\uff0c\u5c0e\u822a\u5230\u4f60\u4fdd\u5b58\u6a94\u6848\u7684\u76ee\u9304\uff0c\u7136\u5f8c\u904b\u884c\u4ee5\u4e0b\u547d\u4ee4\uff1a<\/p>\n<pre><code>python3 led_control.py<\/code><\/pre>\n<p>\u5982\u679c\u4e00\u5207\u6b63\u5e38\uff0c\u4f60\u61c9\u8a72\u6703\u770b\u5230LED\u71c8\u6bcf\u79d2\u9583\u720d\u4e00\u6b21\u3002<\/p>\n<h2 id=\"%e7%b8%bd%e7%b5%90-ZbxfTfqXdZ\">\u7e3d\u7d50<\/h2>\n<p>\u900f\u904e\u4ee5\u4e0a\u6b65\u9a5f\uff0c\u6211\u5011\u6210\u529f\u5730\u4f7f\u7528\u6a39\u8393\u6d3e\u548cLinux GPIO\u5be6\u73fe\u4e86\u7c21\u55ae\u7684\u9ede\u71c8\u63a7\u5236\u3002\u9019\u4e0d\u50c5\u662f\u4e00\u500b\u6709\u8da3\u7684\u9805\u76ee\uff0c\u9084\u80fd\u5e6b\u52a9\u4f60\u6df1\u5165\u4e86\u89e3\u6a39\u8393\u6d3e\u7684\u786c\u9ad4\u548c\u8edf\u9ad4\u64cd\u4f5c\u3002\u96a8\u8457\u5c0dGPIO\u7684\u9032\u4e00\u6b65\u63a2\u7d22\uff0c\u4f60\u53ef\u4ee5\u5617\u8a66\u66f4\u591a\u7684\u61c9\u7528\uff0c\u5982\u63a7\u5236\u99ac\u9054\u3001\u8b80\u53d6\u50b3\u611f\u5668\u6578\u64da\u7b49\u3002<\/p>\n<p>\u5982\u679c\u4f60\u5c0d\u65bc\u4f3a\u670d\u5668\u6216\u96f2\u7aef\u6280\u8853\u6709\u8208\u8da3\uff0c\u6b61\u8fce\u8a2a\u554f\u6211\u5011\u7684\u7db2\u7ad9\u4e86\u89e3\u66f4\u591a\u8cc7\u8a0a\uff0c\u7279\u5225\u662f\u6211\u5011\u7684<a href=\"https:\/\/server.hk\">\u9999\u6e2fVPS<\/a>\u89e3\u6c7a\u65b9\u6848\uff0c\u9019\u5c07\u70ba\u4f60\u7684\u9805\u76ee\u63d0\u4f9b\u7a69\u5b9a\u7684\u652f\u63f4\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u5b78\u7fd2\u5982\u4f55\u4f7f\u7528\u6a39\u8393\u6d3e\u8f15\u9b06\u5be6\u73feLinux GPIO\u9ede\u71c8\u63a7\u5236\uff0c\u8b93\u4f60\u7684\u5275\u610f\u9805\u76ee\u66f4\u5177\u4e92\u52d5\u6027\u8207\u8da3\u5473\u6027\uff01<\/p>\n","protected":false},"author":0,"featured_media":0,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[4924],"tags":[],"class_list":["post-198584","post","type-post","status-publish","format-standard","hentry","category-setup-tutorials"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/198584","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/types\/post"}],"replies":[{"embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/comments?post=198584"}],"version-history":[{"count":0,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/198584\/revisions"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=198584"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=198584"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=198584"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}