{"id":168265,"date":"2024-11-06T10:54:26","date_gmt":"2024-11-06T02:54:26","guid":{"rendered":"https:\/\/server.hk\/cnblog\/168265\/"},"modified":"2024-11-06T10:54:27","modified_gmt":"2024-11-06T02:54:27","slug":"%e6%b2%92%e6%9c%89%e6%93%8d%e4%bd%9c%e7%b3%bb%e7%b5%b1%ef%bc%8c%e7%a8%8b%e5%ba%8f%e5%8f%af%e4%bb%a5%e9%81%8b%e8%a1%8c%e8%b5%b7%e4%be%86%e5%97%8e%ef%bc%9f","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/168265\/","title":{"rendered":"\u6c92\u6709\u64cd\u4f5c\u7cfb\u7d71\uff0c\u7a0b\u5e8f\u53ef\u4ee5\u904b\u884c\u8d77\u4f86\u55ce\uff1f"},"content":{"rendered":"<h1 id=\"%e6%b2%92%e6%9c%89%e6%93%8d%e4%bd%9c%e7%b3%bb%e7%b5%b1%ef%bc%8c%e7%a8%8b%e5%ba%8f%e5%8f%af%e4%bb%a5%e9%81%8b%e8%a1%8c%e8%b5%b7%e4%be%86%e5%97%8e%ef%bc%9f-LkebACONRP\">\u6c92\u6709\u64cd\u4f5c\u7cfb\u7d71\uff0c\u7a0b\u5e8f\u53ef\u4ee5\u904b\u884c\u8d77\u4f86\u55ce\uff1f<\/h1>\n<p>\u5728\u8a08\u7b97\u6a5f\u79d1\u5b78\u7684\u9818\u57df\u4e2d\uff0c\u64cd\u4f5c\u7cfb\u7d71\uff08Operating System, OS\uff09\u662f\u7ba1\u7406\u786c\u4ef6\u548c\u8edf\u4ef6\u8cc7\u6e90\u7684\u95dc\u9375\u7d44\u4ef6\u3002\u5b83\u8ca0\u8cac\u63d0\u4f9b\u7528\u6236\u754c\u9762\u3001\u7ba1\u7406\u6587\u4ef6\u7cfb\u7d71\u3001\u63a7\u5236\u786c\u4ef6\u8a2d\u5099\u7b49\u529f\u80fd\u3002\u7136\u800c\uff0c\u8a31\u591a\u4eba\u53ef\u80fd\u6703\u554f\uff1a\u5982\u679c\u6c92\u6709\u64cd\u4f5c\u7cfb\u7d71\uff0c\u7a0b\u5e8f\u662f\u5426\u4ecd\u7136\u53ef\u4ee5\u904b\u884c\uff1f\u9019\u500b\u554f\u984c\u7684\u7b54\u6848\u4e26\u4e0d\u7c21\u55ae\uff0c\u56e0\u70ba\u5b83\u6d89\u53ca\u5230\u8a08\u7b97\u6a5f\u67b6\u69cb\u3001\u7a0b\u5e8f\u8a2d\u8a08\u548c\u786c\u4ef6\u7684\u57fa\u672c\u539f\u7406\u3002<\/p>\n<h2 id=\"%e6%93%8d%e4%bd%9c%e7%b3%bb%e7%b5%b1%e7%9a%84%e8%a7%92%e8%89%b2-LkebACONRP\">\u64cd\u4f5c\u7cfb\u7d71\u7684\u89d2\u8272<\/h2>\n<p>\u64cd\u4f5c\u7cfb\u7d71\u7684\u4e3b\u8981\u529f\u80fd\u662f\u4f5c\u70ba\u7528\u6236\u548c\u8a08\u7b97\u6a5f\u786c\u4ef6\u4e4b\u9593\u7684\u4e2d\u4ecb\u3002\u5b83\u63d0\u4f9b\u4e86\u4e00\u500b\u74b0\u5883\uff0c\u4f7f\u5f97\u61c9\u7528\u7a0b\u5e8f\u80fd\u5920\u904b\u884c\u800c\u4e0d\u5fc5\u76f4\u63a5\u8207\u786c\u4ef6\u4ea4\u4e92\u3002\u64cd\u4f5c\u7cfb\u7d71\u8ca0\u8cac\u7ba1\u7406\u5167\u5b58\u3001\u8655\u7406\u5668\u6642\u9593\u3001\u6587\u4ef6\u7cfb\u7d71\u548c\u5916\u90e8\u8a2d\u5099\u7b49\u8cc7\u6e90\u3002\u9019\u4e9b\u529f\u80fd\u4f7f\u5f97\u591a\u500b\u7a0b\u5e8f\u53ef\u4ee5\u540c\u6642\u904b\u884c\uff0c\u4e26\u4e14\u80fd\u5920\u6709\u6548\u5730\u5229\u7528\u7cfb\u7d71\u8cc7\u6e90\u3002<\/p>\n<h2 id=\"%e6%b2%92%e6%9c%89%e6%93%8d%e4%bd%9c%e7%b3%bb%e7%b5%b1%e7%9a%84%e6%83%85%e6%b3%81-LkebACONRP\">\u6c92\u6709\u64cd\u4f5c\u7cfb\u7d71\u7684\u60c5\u6cc1<\/h2>\n<p>\u5728\u6c92\u6709\u64cd\u4f5c\u7cfb\u7d71\u7684\u60c5\u6cc1\u4e0b\uff0c\u7a0b\u5e8f\u7684\u904b\u884c\u6703\u53d7\u5230\u5f88\u5927\u7684\u9650\u5236\u3002\u9996\u5148\uff0c\u7a0b\u5e8f\u5fc5\u9808\u80fd\u5920\u76f4\u63a5\u8207\u786c\u4ef6\u9032\u884c\u4ea4\u4e92\u3002\u9019\u610f\u5473\u8457\u7a0b\u5e8f\u9700\u8981\u77e5\u9053\u5982\u4f55\u63a7\u5236\u8655\u7406\u5668\u3001\u5167\u5b58\u548c\u5176\u4ed6\u786c\u4ef6\u8a2d\u5099\u3002\u9019\u7a2e\u60c5\u6cc1\u4e0b\uff0c\u7a0b\u5e8f\u901a\u5e38\u88ab\u7a31\u70ba\u201c\u88f8\u6a5f\u7a0b\u5e8f\u201d\uff08bare-metal program\uff09\u3002<\/p>\n<h3 id=\"%e8%a3%b8%e6%a9%9f%e7%b7%a8%e7%a8%8b%e7%9a%84%e4%be%8b%e5%ad%90-LkebACONRP\">\u88f8\u6a5f\u7de8\u7a0b\u7684\u4f8b\u5b50<\/h3>\n<p>\u88f8\u6a5f\u7de8\u7a0b\u901a\u5e38\u7528\u65bc\u5d4c\u5165\u5f0f\u7cfb\u7d71\u4e2d\uff0c\u4f8b\u5982\u5fae\u63a7\u5236\u5668\u548c\u55ae\u7247\u6a5f\u3002\u5728\u9019\u4e9b\u7cfb\u7d71\u4e2d\uff0c\u958b\u767c\u8005\u9700\u8981\u7de8\u5beb\u4ee3\u78bc\u4f86\u76f4\u63a5\u63a7\u5236\u786c\u4ef6\u3002\u4f8b\u5982\uff0c\u4ee5\u4e0b\u662f\u4e00\u6bb5\u7528\u65bc\u63a7\u5236LED\u71c8\u7684\u88f8\u6a5f\u4ee3\u78bc\uff1a<\/p>\n<pre><code>\n#include &lt;avr\/io.h&gt;\n\nint main(void) {\n    \/\/ \u8a2d\u7f6ePB0\u70ba\u8f38\u51fa\n    DDRB |= (1 &lt;&lt; PB0);\n    \n    while (1) {\n        \/\/ \u6253\u958bLED\n        PORTB |= (1 &lt;&lt; PB0);\n        \/\/ \u5ef6\u9072\n        for (volatile long i = 0; i &lt; 100000; i++);\n        \/\/ \u95dc\u9589LED\n        PORTB &amp;= ~(1 &lt;&lt; PB0);\n        \/\/ \u5ef6\u9072\n        for (volatile long i = 0; i &lt; 100000; i++);\n    }\n}\n<\/code><\/pre>\n<p>\u5728\u9019\u6bb5\u4ee3\u78bc\u4e2d\uff0c\u958b\u767c\u8005\u76f4\u63a5\u64cd\u4f5c\u4e86\u5fae\u63a7\u5236\u5668\u7684IO\u7aef\u53e3\uff0c\u6c92\u6709\u4f7f\u7528\u4efb\u4f55\u64cd\u4f5c\u7cfb\u7d71\u7684\u652f\u6301\u3002\u9019\u6a23\u7684\u7de8\u7a0b\u65b9\u5f0f\u96d6\u7136\u9748\u6d3b\uff0c\u4f46\u4e5f\u589e\u52a0\u4e86\u958b\u767c\u7684\u8907\u96dc\u6027\uff0c\u56e0\u70ba\u958b\u767c\u8005\u9700\u8981\u5c0d\u786c\u4ef6\u6709\u6df1\u5165\u7684\u4e86\u89e3\u3002<\/p>\n<h2 id=\"%e7%a8%8b%e5%ba%8f%e9%81%8b%e8%a1%8c%e7%9a%84%e5%9f%ba%e6%9c%ac%e8%a6%81%e6%b1%82-LkebACONRP\">\u7a0b\u5e8f\u904b\u884c\u7684\u57fa\u672c\u8981\u6c42<\/h2>\n<p>\u5373\u4f7f\u5728\u6c92\u6709\u64cd\u4f5c\u7cfb\u7d71\u7684\u60c5\u6cc1\u4e0b\uff0c\u7a0b\u5e8f\u4ecd\u7136\u9700\u8981\u4e00\u4e9b\u57fa\u672c\u7684\u904b\u884c\u74b0\u5883\u3002\u9019\u5305\u62ec\uff1a<\/p>\n<ul>\n<li><strong>\u786c\u4ef6\u652f\u6301\uff1a<\/strong>\u7a0b\u5e8f\u5fc5\u9808\u80fd\u5920\u8a2a\u554f\u6240\u9700\u7684\u786c\u4ef6\u8cc7\u6e90\uff0c\u4f8b\u5982CPU\u3001\u5167\u5b58\u548c\u5916\u90e8\u8a2d\u5099\u3002<\/li>\n<li><strong>\u555f\u52d5\u4ee3\u78bc\uff1a<\/strong>\u5728\u6c92\u6709\u64cd\u4f5c\u7cfb\u7d71\u7684\u60c5\u6cc1\u4e0b\uff0c\u901a\u5e38\u9700\u8981\u4e00\u6bb5\u555f\u52d5\u4ee3\u78bc\u4f86\u521d\u59cb\u5316\u786c\u4ef6\u4e26\u52a0\u8f09\u4e3b\u7a0b\u5e8f\u3002<\/li>\n<li><strong>\u932f\u8aa4\u8655\u7406\uff1a<\/strong>\u88f8\u6a5f\u7a0b\u5e8f\u9700\u8981\u81ea\u884c\u8655\u7406\u932f\u8aa4\uff0c\u56e0\u70ba\u6c92\u6709\u64cd\u4f5c\u7cfb\u7d71\u63d0\u4f9b\u7684\u932f\u8aa4\u7ba1\u7406\u529f\u80fd\u3002<\/li>\n<\/ul>\n<h2 id=\"%e7%b5%90%e8%ab%96-LkebACONRP\">\u7d50\u8ad6<\/h2>\n<p>\u7e3d\u7d50\u4f86\u8aaa\uff0c\u6c92\u6709\u64cd\u4f5c\u7cfb\u7d71\u7684\u60c5\u6cc1\u4e0b\uff0c\u7a0b\u5e8f\u662f\u53ef\u4ee5\u904b\u884c\u7684\uff0c\u4f46\u9019\u9700\u8981\u958b\u767c\u8005\u5177\u5099\u5c0d\u786c\u4ef6\u7684\u6df1\u5165\u7406\u89e3\u548c\u76f8\u61c9\u7684\u7de8\u7a0b\u6280\u5de7\u3002\u88f8\u6a5f\u7de8\u7a0b\u5728\u67d0\u4e9b\u7279\u5b9a\u7684\u61c9\u7528\u5834\u666f\u4e2d\u662f\u53ef\u884c\u7684\uff0c\u5c24\u5176\u662f\u5728\u5d4c\u5165\u5f0f\u7cfb\u7d71\u4e2d\u3002\u7136\u800c\uff0c\u5c0d\u65bc\u5927\u591a\u6578\u61c9\u7528\u7a0b\u5e8f\u4f86\u8aaa\uff0c\u64cd\u4f5c\u7cfb\u7d71\u63d0\u4f9b\u7684\u4fbf\u5229\u6027\u548c\u8cc7\u6e90\u7ba1\u7406\u529f\u80fd\u662f\u4e0d\u53ef\u6216\u7f3a\u7684\u3002<\/p>\n<p>\u5982\u679c\u60a8\u5c0d\u65bc\u5982\u4f55\u5728\u4e0d\u540c\u74b0\u5883\u4e2d\u904b\u884c\u7a0b\u5e8f\u6709\u9032\u4e00\u6b65\u7684\u8208\u8da3\uff0c\u6216\u8005\u60f3\u4e86\u89e3\u66f4\u591a\u95dc\u65bc <a href=\"https:\/\/server.hk\">VPS<\/a> \u548c <a href=\"https:\/\/server.hk\">\u9999\u6e2f\u4f3a\u670d\u5668<\/a> \u7684\u8cc7\u8a0a\uff0c\u6b61\u8fce\u8a2a\u554f\u6211\u5011\u7684\u7db2\u7ad9\u4ee5\u7372\u53d6\u66f4\u591a\u8cc7\u6599\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u63a2\u8a0e\u5728\u6c92\u6709\u64cd\u4f5c\u7cfb\u7d71\u7684\u60c5\u6cc1\u4e0b\uff0c\u7a0b\u5e8f\u662f\u5426\u80fd\u904b\u884c\uff0c\u5206\u6790\u5176\u904b\u4f5c\u539f\u7406\u53ca\u53ef\u80fd\u6027\u3002<\/p>\n","protected":false},"author":0,"featured_media":0,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[101],"tags":[],"class_list":["post-168265","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/168265","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=168265"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/168265\/revisions"}],"predecessor-version":[{"id":168266,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/168265\/revisions\/168266"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=168265"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=168265"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=168265"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}