{"id":28,"date":"2025-07-15T17:43:16","date_gmt":"2025-07-15T09:43:16","guid":{"rendered":"https:\/\/newknow.top\/?p=28"},"modified":"2025-07-20T07:54:54","modified_gmt":"2025-07-19T23:54:54","slug":"3-2%e7%8b%ac%e7%ab%8b%e6%8c%89%e9%94%ae%e6%8e%a7%e5%88%b6led%e7%8a%b6%e6%80%81","status":"publish","type":"post","link":"https:\/\/newknow.top\/index.php\/2025\/07\/15\/3-2%e7%8b%ac%e7%ab%8b%e6%8c%89%e9%94%ae%e6%8e%a7%e5%88%b6led%e7%8a%b6%e6%80%81\/","title":{"rendered":"51\u5355\u7247\u673a\u2014\u2014\u5173\u4e8e51\u5355\u7247\u673a\u72ec\u7acb\u6309\u952e\u63a7\u5236LED\u72b6\u6001"},"content":{"rendered":"\n<pre class=\"wp-block-code\"><code>#include &lt;REGX52.H>\nvoid Delay(unsigned int xms)\n{\n\tunsigned char i, j;\n\twhile(xms)\n\t{\n\n\t\ti = 2;\n\t\tj = 239;\n\t\tdo\n\t\t{\n\t\t\twhile (--j);\n\t\t} while (--i);\n\t\txms--;\n\t}\n}\nvoid main()\n{\n\twhile(1)\n\t{\t\n\t\tif(P3_1==0)\n\t\t{\n\t\t\tDelay(20);\n\t\t\twhile(P3_1==0);\n\t\t\tDelay(20);\n\t\t\tP2_0=~P2_0;\n\t\t}\n\t}\n}\n<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">\u5bf9\u4e8e\u673a\u68b0\u5f00\u5173\uff0c\u5f53\u673a\u68b0\u89e6\u70b9\u65ad\u5f00\u3001\u95ed\u5408\u65f6\uff0c\u7531\u4e8e\u673a\u68b0\u89e6\u70b9\u7684\u5f39\u6027\u4f5c\u7528\uff0c\u4e00\u4e2a\u5f00\u5173\u5728\u95ed\u5408\u65f6\u4e0d\u4f1a\u9a6c\u4e0a\u7a33\u5b9a\u5730\u63a5\u901a\uff0c\u5728\u65ad\u5f00\u65f6\u4e5f\u4e0d\u4f1a\u4e00\u4e0b\u5b50\u65ad\u5f00\uff0c\u6240\u4ee5\u5728\u5f00\u5173\u95ed\u5408\u53ca\u65ad\u5f00\u7684\u77ac\u95f4\u4f1a\u4f34\u968f\u4e00\u8fde\u4e32\u7684\u6296\u52a8<br>\u6240\u4ee5\u6211\u4eec\u9700\u8981\u901a\u8fc7Delay(20)\u5ef6\u65f620ms\u6765\u8fc7\u6ee4\u6389\u8fd9\u4e2a\u6296\u52a8<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><div class='fancybox-wrapper lazyload-container-unload' data-fancybox='post-images' href='https:\/\/newknow.top\/wp-content\/uploads\/2025\/07\/image-1024x443.png'><img class=\"lazyload lazyload-style-1\" src=\"data:image\/svg+xml;base64,PCEtLUFyZ29uTG9hZGluZy0tPgo8c3ZnIHdpZHRoPSIxIiBoZWlnaHQ9IjEiIHhtbG5zPSJodHRwOi8vd3d3LnczLm9yZy8yMDAwL3N2ZyIgc3Ryb2tlPSIjZmZmZmZmMDAiPjxnPjwvZz4KPC9zdmc+\"  loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"443\" data-original=\"https:\/\/newknow.top\/wp-content\/uploads\/2025\/07\/image-1024x443.png\" src=\"data:image\/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAAAXNSR0IArs4c6QAAAARnQU1BAACxjwv8YQUAAAAJcEhZcwAADsQAAA7EAZUrDhsAAAANSURBVBhXYzh8+PB\/AAffA0nNPuCLAAAAAElFTkSuQmCC\" alt=\"\" class=\"wp-image-29\"  sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/div><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">P3_1\u8868\u793a\u72ec\u7acb\u6309\u952eK1\u3002\u5f53P3_1\u6309\u4e0b\u65f6\u4f1a\u63a5\u5730\uff0c\u5373P3_1=0\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u6240\u4ee5\u6211\u4eec\u7528if(P3_1==0)\u6765\u5224\u65adK1\u6309\u952e\u662f\u5426\u6309\u4e0b<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u5f53\u6309\u4e0b\u65f6\u6211\u4eec\u9996\u5148\u5ef6\u65f620ms\u8fc7\u6ee4\u6389\u6309\u952e\u6296\u52a8<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u4e4b\u540e\u6211\u4eec\u518d\u7528while\u5faa\u73af\u7ee7\u7eed\u5224\u65adK1\u6309\u952e\u662f\u5426\u4ecd\u5904\u4e8e\u6309\u4e0b\u72b6\u6001\uff0c\u68c0\u6d4bP3_1=0\u65f6\uff0c\u7ee7\u7eed\u5faa\u73af\u4e0a\u8fb9\u7684\u8bed\u53e5\uff0c\u5426\u5219\u8df3\u51fa\u8fd9\u4e2a\u8bed\u53e5\u6267\u884c\u4e0b\u4e00\u4e2a\u8bed\u53e5<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u5f53K1\u5904\u4e8e\u677e\u5f00\u6309\u952e\u72b6\u6001\u65f6\uff0cK1\u6ca1\u6709\u63a5\u5730\uff0cP3_1\u4e0d\u7b49\u4e8e0\uff0c\u8df3\u51fawhile\u5faa\u73af\uff0c\u6267\u884cDelay(20)\u8fc7\u6ee4\u677e\u5f00\u524d\u7684\u6309\u952e\u6296\u52a8\uff0c\u7136\u540e\u518d\u6267\u884c\u6309\u4f4d\u53d6\u53cd\u64cd\u4f5c<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u5355\u7247\u673a\u9ed8\u8ba4\u8f93\u51fa\u9ad8\u7535\u5e73\u5c31\u4e3a1\uff0c\u5f00\u5173\u6309\u4e0b\u7b2c\u4e00\u6b21\u65f6\u677e\u5f00\u4e4b\u540e\u53d6\u53cdP2_0\uff0c1\u53d8\u4e3a0\uff0c\u4f4e\u7535\u5e73\u4eae\u706f\uff0c\u6309\u4e0b\u7b2c\u4e8c\u6b21\u65f6\u677e\u5f00\u65f6\uff0c\u53d6\u53cd0\u53d81\uff0c\u9ad8\u7535\u5e73\uff0c\u706f\u706d<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><div class='fancybox-wrapper lazyload-container-unload' data-fancybox='post-images' href='https:\/\/newknow.top\/wp-content\/uploads\/2025\/07\/\u5c4f\u5e55\u622a\u56fe-2025-07-15-173537-1024x600.png'><img class=\"lazyload lazyload-style-1\" src=\"data:image\/svg+xml;base64,PCEtLUFyZ29uTG9hZGluZy0tPgo8c3ZnIHdpZHRoPSIxIiBoZWlnaHQ9IjEiIHhtbG5zPSJodHRwOi8vd3d3LnczLm9yZy8yMDAwL3N2ZyIgc3Ryb2tlPSIjZmZmZmZmMDAiPjxnPjwvZz4KPC9zdmc+\"  loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"600\" data-original=\"https:\/\/newknow.top\/wp-content\/uploads\/2025\/07\/\u5c4f\u5e55\u622a\u56fe-2025-07-15-173537-1024x600.png\" src=\"data:image\/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAAAXNSR0IArs4c6QAAAARnQU1BAACxjwv8YQUAAAAJcEhZcwAADsQAAA7EAZUrDhsAAAANSURBVBhXYzh8+PB\/AAffA0nNPuCLAAAAAElFTkSuQmCC\" alt=\"\" class=\"wp-image-30\"  sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/div><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">LED\u706f\u4e3a\u4e00\u4e2a\u53d1\u5149\u4e8c\u6781\u7ba1\uff0c\u5bfc\u901a\u65f6\u624d\u53d1\u5149\uff0c\u5de6\u8fb9\u4e3a\u9ad8\u7535\u5e73\uff0c\u53f3\u8fb9\u9ed8\u8ba4\u9ad8\u7535\u5e73<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u6240\u4ee5\u5f53\u53f3\u8fb9\u4e3a\u4f4e\u7535\u5e73\u65f6\uff0c\u624d\u5bfc\u901a\u53d1\u5149<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u5f53\u53f3\u8fb9\u4e3a\u9ad8\u7535\u5e73\u65f6\u4e8c\u6781\u7ba1\u622a\u81f3\u4e0d\u53d1\u5149<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><div class='fancybox-wrapper lazyload-container-unload' data-fancybox='post-images' href='https:\/\/newknow.top\/wp-content\/uploads\/2025\/07\/\u5c4f\u5e55\u622a\u56fe-2025-07-15-174620-1024x990.png'><img class=\"lazyload lazyload-style-1\" src=\"data:image\/svg+xml;base64,PCEtLUFyZ29uTG9hZGluZy0tPgo8c3ZnIHdpZHRoPSIxIiBoZWlnaHQ9IjEiIHhtbG5zPSJodHRwOi8vd3d3LnczLm9yZy8yMDAwL3N2ZyIgc3Ryb2tlPSIjZmZmZmZmMDAiPjxnPjwvZz4KPC9zdmc+\"  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[&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_kadence_starter_templates_imported_post":false,"footnotes":""},"categories":[5,4],"tags":[],"class_list":["post-28","post","type-post","status-publish","format-standard","hentry","category-5","category-4"],"_links":{"self":[{"href":"https:\/\/newknow.top\/index.php\/wp-json\/wp\/v2\/posts\/28","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/newknow.top\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/newknow.top\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/newknow.top\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/newknow.top\/index.php\/wp-json\/wp\/v2\/comments?post=28"}],"version-history":[{"count":8,"href":"https:\/\/newknow.top\/index.php\/wp-json\/wp\/v2\/posts\/28\/revisions"}],"predecessor-version":[{"id":65,"href":"https:\/\/newknow.top\/index.php\/wp-json\/wp\/v2\/posts\/28\/revisions\/65"}],"wp:attachment":[{"href":"https:\/\/newknow.top\/index.php\/wp-json\/wp\/v2\/media?parent=28"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/newknow.top\/index.php\/wp-json\/wp\/v2\/categories?post=28"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/newknow.top\/index.php\/wp-json\/wp\/v2\/tags?post=28"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}