{"id":137,"date":"2025-07-21T14:19:35","date_gmt":"2025-07-21T06:19:35","guid":{"rendered":"https:\/\/newknow.top\/?p=137"},"modified":"2025-07-21T14:19:35","modified_gmt":"2025-07-21T06:19:35","slug":"51%e5%8d%95%e7%89%87%e6%9c%ba-%e7%9f%a9%e9%98%b5%e9%94%ae%e7%9b%98%e5%af%86%e7%a0%81%e9%94%81","status":"publish","type":"post","link":"https:\/\/newknow.top\/index.php\/2025\/07\/21\/51%e5%8d%95%e7%89%87%e6%9c%ba-%e7%9f%a9%e9%98%b5%e9%94%ae%e7%9b%98%e5%af%86%e7%a0%81%e9%94%81\/","title":{"rendered":"51\u5355\u7247\u673a\u2014\u2014\u77e9\u9635\u952e\u76d8\u5bc6\u7801\u9501"},"content":{"rendered":"\n<pre class=\"wp-block-code\"><code>#include &lt;REGX52.H>\n#include \"Delay.h\"\n#include \"LCD1602.h\"\n#include \"MatrixKey.h\"\n\nunsigned char KeyNum;\nunsigned int Password,Count;\n\nvoid main()\n{\n\tLCD_Init();\n\tLCD_ShowString(1,1,\"Password:\");\n\twhile(1)\n\t{\n\t\tKeyNum=MatrixKey();\n\t\tif(KeyNum)\n\t\t{\n\t\t\tif(KeyNum&lt;=10)\t\/\/\u5982\u679cS1~S10\u6309\u952e\u6309\u4e0b\uff0c\u8f93\u5165\u5bc6\u7801\n\t\t\t{\n\t\t\t\tif(Count&lt;4)\t\/\/\u5982\u679c\u8f93\u5165\u6b21\u6570\u5c0f\u4e8e4\n\t\t\t\t{\n\t\t\t\t\tPassword*=10;\t\t\t\t\/\/\u5bc6\u7801\u5de6\u79fb\u4e00\u4f4d\n\t\t\t\t\tPassword+=KeyNum%10;\t\t\/\/\u83b7\u53d6\u4e00\u4f4d\u5bc6\u7801\n\t\t\t\t\tCount++;\t\/\/\u8ba1\u6b21\u52a0\u4e00\n\t\t\t\t}\n\t\t\t\tLCD_ShowNum(2,1,Password,4);\t\/\/\u66f4\u65b0\u663e\u793a\n\t\t\t}\n\t\t\tif(KeyNum==11)\t\/\/\u5982\u679cS11\u6309\u952e\u6309\u4e0b\uff0c\u786e\u8ba4\n\t\t\t{\n\t\t\t\tif(Password==2345)\t\/\/\u5982\u679c\u5bc6\u7801\u7b49\u4e8e\u6b63\u786e\u5bc6\u7801\n\t\t\t\t{\n\t\t\t\t\tLCD_ShowString(1,14,\"OK \");\t\/\/\u663e\u793aOK\n\t\t\t\t\tPassword=0;\t\t\/\/\u5bc6\u7801\u6e05\u96f6\n\t\t\t\t\tCount=0;\t\t\/\/\u8ba1\u6b21\u6e05\u96f6\n\t\t\t\t\tLCD_ShowNum(2,1,Password,4);\t\/\/\u66f4\u65b0\u663e\u793a\n\t\t\t\t}\n\t\t\t\telse\t\t\t\t\/\/\u5426\u5219\n\t\t\t\t{\n\t\t\t\t\tLCD_ShowString(1,14,\"ERR\");\t\/\/\u663e\u793aERR\n\t\t\t\t\tPassword=0;\t\t\/\/\u5bc6\u7801\u6e05\u96f6\n\t\t\t\t\tCount=0;\t\t\/\/\u8ba1\u6b21\u6e05\u96f6\n\t\t\t\t\tLCD_ShowNum(2,1,Password,4);\t\/\/\u66f4\u65b0\u663e\u793a\n\t\t\t\t}\n\t\t\t}\n\t\t\tif(KeyNum==12)\t\/\/\u5982\u679cS12\u6309\u952e\u6309\u4e0b\uff0c\u53d6\u6d88\n\t\t\t{\n\t\t\t\tPassword=0;\t\t\/\/\u5bc6\u7801\u6e05\u96f6\n\t\t\t\tCount=0;\t\t\/\/\u8ba1\u6b21\u6e05\u96f6\n\t\t\t\tLCD_ShowNum(2,1,Password,4);\t\/\/\u66f4\u65b0\u663e\u793a\n\t\t\t}\n\t\t}\n\t}\n}\n<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">\u4e00\u5f00\u59cb\u53d1\u73b0\u8f93\u5165\u4e00\u4e2a\u6570\u5b57\u663e\u793a\u56db\u4e2a\u6570\u5b57\uff0c\u540e\u6765\u53d1\u73b0\u662fMartrixKey.c\u6587\u4ef6\u91cc\u7684while()\u5224\u65ad\u6761\u4ef6\u201c==\u201d\u5199\u6210\u4e86\u5355\u4e2a\u201c=\u201d<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u4e00\u5f00\u59cb\u53d1\u73b0\u8f93\u5165\u4e00\u4e2a\u6570\u5b57\u663e\u793a\u56db\u4e2a\u6570\u5b57\uff0c\u540e\u6765\u53d1\u73b0\u662fMartrixKey.c\u6587\u4ef6\u91cc\u7684while()\u5224\u65ad\u6761\u4ef6\u201c==\u201d\u5199 [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_kadence_starter_templates_imported_post":false,"footnotes":""},"categories":[5,4],"tags":[],"class_list":["post-137","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\/137","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=137"}],"version-history":[{"count":2,"href":"https:\/\/newknow.top\/index.php\/wp-json\/wp\/v2\/posts\/137\/revisions"}],"predecessor-version":[{"id":139,"href":"https:\/\/newknow.top\/index.php\/wp-json\/wp\/v2\/posts\/137\/revisions\/139"}],"wp:attachment":[{"href":"https:\/\/newknow.top\/index.php\/wp-json\/wp\/v2\/media?parent=137"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/newknow.top\/index.php\/wp-json\/wp\/v2\/categories?post=137"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/newknow.top\/index.php\/wp-json\/wp\/v2\/tags?post=137"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}