{"id":235,"date":"2009-02-24T23:03:27","date_gmt":"2009-02-24T15:03:27","guid":{"rendered":"http:\/\/192.168.0.1\/blog_4.4.2\/?p=235"},"modified":"2009-02-24T23:03:27","modified_gmt":"2009-02-24T15:03:27","slug":"8051-y-port","status":"publish","type":"post","link":"https:\/\/blog.worren.net\/?p=235","title":{"rendered":"8051 \u7684\u5916\u90e8 port"},"content":{"rendered":"<div class='drop-case'> <p> 2008\u4e00\u6574\u5e74\u56e0\u8077\u52d9\u7684\u95dc\u4fc2\u6c92\u5565\u73a9\u5230 8051 ,  \u73fe\u5728\u63a5\u5230\u4e86\u4e00\u500b\u65b0 project , \u5fc5\u9808\u8981\u9020\u6ce2\u578b\u51fa\u4f86\u505a\u6cbb\u5177\u6e2c\u8a66 , Freq. \u4e26\u4e0d\u9ad8(120Hz) , \u6240\u4ee5\u6211\u5c31\u60f3\u8aaa\u5229\u7528 8051 \u7684 GPIO \u4f86\u505a\u5427 ! <br \/> \n <!--more-->  <br \/> \n\u7ffb\u51fa\u4e4b\u524d\u7684 AD-Board &#8230; \u73fe\u5728\u7684 Scaler \u591a\u5167\u5efa MCU \u4e86 , \u8981\u627e\u5230\u9084\u6709 MCU \u7684 AD-Board \u9084\u771f\u7684\u8981\u7528\\&#8221;\u7ffb\\&#8221; &#8230; \u9084\u597d , \u53bb\u5e74\u56e0\u70ba\u9700\u8981\u8b93 EMS \u6aa2 panel , \u6211\u6709\u505a\u4e86\u5e7e\u7247\u6cbb\u5177 AD-Board &#8230; \u9019\u662f\u6709 8051 \u7684\u7248\u672c . <\/div>\n <p> check \u4e86\u4e00\u4e0b circuit , umm ` &#8230; \u4ee5\u8df3\u7dda\u7684\u65b9\u5f0f\u63a8\u6ce2\u578b\u51fa\u4f86 , \u5927\u7d04\u6709 2 \u500b\u73fe\u6210\u7684 , \u4f46\u6211\u7e3d\u5171\u9700\u8981 4 \u500b&#8230; \u6240\u4ee5\u6709 2 \u500b\u9700\u8981\u4ee5 floating \u7684\u65b9\u5f0f\u8df3 &#8230; \u9019\u90fd\u662f\u5c0f\u4e8b ! &#8230;. \u60f3\u8aaa , \u5225\u62ff MNT \u7684 code base \u4f86\u505a , \u90a3\u5f88\u7b28 ~&#8230;. \u53ea\u662f\u8981\u9020\u6ce2\u578b , \u7adf\u7136\u7528\u4e86\u65c1\u5927\u7684 code base &#8230; \u6240\u4ee5\u6253\u7b97\u91cd\u5beb ! &#8230;\n <p> \u4e0d\u904e\u63a1\u7528\u7684 port \u90fd\u662f external \u7684 port , \u4e26\u975e\u6a19\u6e96 8051 \u7684 address . \u311c ~.. \u90a3\u4e0d\u5c31\u4e0d\u80fd\u7528\u624b\u4e0a\u7684\u53c3\u8003\u66f8\u4e0a\u9762\u7684\u8a9e\u6cd5\u4f86\u505a  register \u7684 maintain ! \u53c3\u8003  Keil C \u7684\u624b\u518a(\u547c ~.. \u5f9e\u4f86\u6c92\u7ffb\u904e\u54e9! ) , \u539f\u4f86\u5916\u90e8 port \u7684\u505a\u6cd5\u662f\u4ee5 xdata \u4f86\u5ba3\u544a\u4e00\u8b8a\u6578 , \u4e26\u5728\u5f8c\u9762\u52a0\u4e0a _at_ address . <br \/> \nex :    unsigned char xdata worrenTest = 0  _at_ 0x0E00 ;\n <p> umm &#8230; \u554f\u984c\u4f86\u4e86 &#8230; \u9019\u9ebc\u505a\u4e5f\u6c92\u6709 work \u5440 ! &#8230; \u53c3\u7167\u4e86\u539f\u672c\u7684 code base , \u7591~.. \u505a\u6cd5\u8ddf\u6211\u5beb\u7684\u662f\u4e00\u6a23\u7684 ! &#8230; ha `.. \u627e\u4f86 jojo \u5e6b\u6211\u770b\u770b ~&#8230; \u6211\u5011\u770b\u4e86\u770b\u90fd\u6c92\u5565\u554f\u984c&#8230;. \u4f46 ~&#8230; \u56e0\u70ba\u6211\u53ea\u6709\u7528\u5230 2 \u500b port , \u6240\u4ee5\u6211\u4e5f\u53ea\u5c0d\u9019 2 \u500b port \u505a\u5ba3\u544a &#038; init. &#8230;. \u800c\u539f\u672c\u7684 code base \u7576\u7136\u662f\u6240\u6709\u7684 port \u90fd\u7528\u4e86 , \u4e5f\u90fd init \u904e ! &#8230; ha `&#8230; jojo \u5efa\u8b70\u6211\u5168\u90e8\u7684 port \u90fd init \u770b\u770b  ~&#8230;. \u8e39\u4e86\u5f8c ! .. \u679c\u7136 work \u5566~&#8230; ya !&#8230;. haha &#8230;. \u4e8b\u5be6\u4e0a , \u9019\u7a2e issue \u4e4b\u524d\u6211\u5c31\u6709\u78b0\u904e\u4e86 , &#8230; \u662f\u767c\u751f\u5728\u63db\u4e86\u8f03\u4fbf\u5b9c\u7684\u76f8\u5bb9 MCU , \u4f46 code base \u537b\u6c92\u6709 review ~&#8230; \u4e4b\u524d\u7684 MCU \u67d0\u500b pin \u5c31\u7b97\u662f\u4e0d init. , default \u5c31\u662f logical low . \u4f46\u65b0\u7684 MCU \u537b\u4e0d\u4e00\u5b9a\u662f low or high &#8230;. @@\\&#8221; &#8230; review \u4e86\u534a\u5929\u624d\u767c\u73fe\u662f\u9019\u7a2e\u70cf\u9f8d ~&#8230;.\n <p> \u679c\u7136 , \u4eba\u4e0d\u80fd\u592a\u61f6 !\n <p> \u5f8c\u7e8c\u9084\u767c\u751f\u4e86\u6548\u80fd\u4e0d\u5f70\u7684 issue &#8230; \u7d50\u679c\u7adf\u7136\u662f\u56e0\u70ba compile \u7684\u53c3\u6578\u8a2d\u932f\u4e86 ! &#8230;. <span class=\"wp-font-emots-emo-sleep\"><\/span> &#8230;. \u5207 ~&#8230;.\u70ba\u5565 Myson \u7684 MCU \u8981\u8a2d\u6210 Winbond \u7684\u53c3\u6578\u5462 ? &#8230; never mind ! &#8230; \u80fd\u73a9\u5c31\u597d\u4e86 !\n","protected":false},"excerpt":{"rendered":" <p> 2008\u4e00\u6574\u5e74\u56e0\u8077\u52d9\u7684\u95dc\u4fc2\u6c92\u5565\u73a9\u5230 8051 , \u73fe\u5728\u63a5\u5230\u4e86\u4e00\u500b\u65b0 project , \u5fc5\u9808\u8981\u9020\u6ce2\u578b\u51fa\u4f86\u505a\u6cbb\u5177\u6e2c\u8a66 , Freq. \u4e26\u4e0d\u9ad8(120Hz) , \u6240\u4ee5\u6211\u5c31\u60f3\u8aaa\u5229\u7528 8051 \u7684 GPIO \u4f86\u505a\u5427 ! <\/p> \n","protected":false},"author":2,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":[],"categories":[8,10,1],"tags":[],"_links":{"self":[{"href":"https:\/\/blog.worren.net\/index.php?rest_route=\/wp\/v2\/posts\/235"}],"collection":[{"href":"https:\/\/blog.worren.net\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/blog.worren.net\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/blog.worren.net\/index.php?rest_route=\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/blog.worren.net\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=235"}],"version-history":[{"count":0,"href":"https:\/\/blog.worren.net\/index.php?rest_route=\/wp\/v2\/posts\/235\/revisions"}],"wp:attachment":[{"href":"https:\/\/blog.worren.net\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=235"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/blog.worren.net\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=235"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/blog.worren.net\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=235"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}