\n\t![\"51\u5355\u7247\u673a\u4e09\u79cd\u6a21\u62df\u4e32\u53e3\u7684\u8bbe\u8ba1\u65b9\u6848\u89e3\u6790\"](\"http:\/\/www.szryc.com\/uploads\/allimg\/191120\/092G53064-0.png\")
<\/p>\n
\n\t\u65b9\u6cd5\u4e00\uff1a\u5ef6\u65f6\u6cd5<\/p>\n
\n\t\u901a\u8fc7\u4e0a\u8ff0\u8ba1\u7b97\u5927\u5bb6\u77e5\u9053\uff0c\u4e32\u53e3\u7684\u6bcf\u4f4d\u9700\u5ef6\u65f60.104\u79d2\uff0c\u4e2d\u95f4\u53ef\u6267\u884c96\u4e2a\u6307\u4ee4\u5468\u671f\u3002<\/p>\n
\n\t#define uchar unsigned char<\/p>\n
\n\tsbit P1_0 = 0x90;<\/p>\n
\n\tsbit P1_1 = 0x91;<\/p>\n
\n\tsbit P1_2 = 0x92;<\/p>\n
\n\t#define RXD P1_0<\/p>\n
\n\t#define TXD P1_1<\/p>\n
\n\t#define WRDYN 44 \/\/\u5199\u5ef6\u65f6<\/p>\n
\n\t#define RDDYN 43 \/\/\u8bfb\u5ef6\u65f6<\/p>\n
\n\t\/\/\u5f80\u4e32\u53e3\u5199\u4e00\u4e2a\u5b57\u8282<\/p>\n
\n\tvoid WByte<\/u>\uff08uchar input\uff09<\/p>\n
\n\t{<\/p>\n
\n\tuchar i=8;<\/p>\n
\n\tTXD=\uff08bit\uff090; \/\/\u53d1\u9001\u542f\u59cb\u4f4d<\/p>\n
\n\tDelay2cp\uff0839\uff09;<\/p>\n
\n\t\/\/\u53d1\u90018\u4f4d\u6570\u636e\u4f4d<\/p>\n
\n\twhile\uff08i--\uff09<\/p>\n
\n\t{<\/p>\n
\n\tTXD=\uff08bit\uff09\uff08input&0x01\uff09; \/\/\u5148\u4f20\u4f4e\u4f4d<\/p>\n
\n\tDelay2cp\uff0836\uff09;<\/p>\n
\n\tinput=input\u300b\u300b1;<\/p>\n
\n\t}<\/p>\n
\n\t\/\/\u53d1\u9001\u6821\u9a8c\u4f4d\uff08\u65e0\uff09<\/p>\n
\n\tTXD=\uff08bit\uff091; \/\/\u53d1\u9001\u7ed3\u675f\u4f4d<\/p>\n
\n\tDelay2cp\uff0846\uff09;<\/p>\n
\n\t}<\/p>\n
\n\t\/\/\u4ece\u4e32\u53e3\u8bfb\u4e00\u4e2a\u5b57\u8282<\/p>\n
\n\tuchar RByte\uff08void\uff09<\/p>\n
\n\t{<\/p>\n
\n\tuchar Output=0;<\/p>\n
\n\tuchar i=8;<\/p>\n
\n\tuchar<\/p>\n
\n\ttemp=RDDYN; \/\/\u53d1\u90018\u4f4d\u6570\u636e\u4f4d<\/p>\n
\n\tDelay2cp\uff08RDDYN*1.5\uff09; \/\/\u6b64\u5904\u6ce8\u610f\uff0c\u7b49\u8fc7\u8d77\u59cb\u4f4d<\/p>\n
\n\twhile\uff08i--\uff09<\/p>\n
\n\t{<\/p>\n
\n\tOutput \u300b\u300b=1;<\/p>\n
\n\tif<\/u>\uff08RXD\uff09 Output |=0x80; \/\/\u5148\u6536\u4f4e\u4f4d<\/p>\n
\n\tDelay2cp\uff0835\uff09; \/\/\uff0896-26\uff09\/2\uff0c\u5faa\u73af\u5171\u5360\u752826\u4e2a\u6307\u4ee4\u5468\u671f<\/p>\n
\n\t}<\/p>\n
\n\twhile\uff08--temp\uff09 \/\/\u5728\u6307\u5b9a\u7684\u65f6\u95f4\u5185\u641c\u5bfb\u7ed3\u675f\u4f4d\u3002<\/p>\n
\n\t{<\/p>\n
\n\tDelay2cp\uff081\uff09;<\/p>\n
\n\tif\uff08RXD\uff09break; \/\/\u6536\u5230\u7ed3\u675f\u4f4d\u4fbf\u9000\u51fa<\/p>\n
\n\t}<\/p>\n
\n\treturn Output;<\/p>\n
\n\t}<\/p>\n
\n\t\/\/\u5ef6\u65f6\u7a0b\u5e8f*<\/p>\n
\n\tvoid Delay2cp\uff08unsigned char i\uff09<\/p>\n
\n\t{<\/p>\n
\n\twhile\uff08--i\uff09; \/\/\u521a\u597d\u4e24\u4e2a\u6307\u4ee4\u5468\u671f\u3002<\/p>\n
\n\t}<\/p>\n
\n\t\u6b64\u79cd\u65b9\u6cd5\u5728\u63a5\u6536\u4e0a\u5b58\u5728\u4e00\u5b9a\u7684\u96be\u5ea6\uff0c\u4e3b\u8981\u662f\u91c7\u6837\u5b9a\u4f4d\u5b58\u5728\u9700\u8f83\u51c6\u786e\uff0c\u53e6\u5916\u8fd8\u5fc5\u987b\u77e5\u9053\u6bcf\u6761\u8bed\u53e5\u7684\u6307\u4ee4\u5468\u671f\u6570\u3002\u6b64\u6cd5\u53ef\u80fd\u6a21\u62df\u82e5\u5e72\u4e2a\u4e32\u53e3\uff0c\u5b9e\u9645\u4e2d\u91c7\u7528\u5b83\u7684\u4eba\u4e5f\u5f88\u591a\uff0c\u4f46\u5982\u679c\u4f60\u7528Keil<\/u>C\uff0c\u672c\u4eba\u4e0d\u5efa\u8bae\u4f7f\u7528\u6b64\u79cd\u65b9\u6cd5\uff0c\u4e0a\u8ff0\u7a0b\u5e8f\u5728P89C52\u3001AT89C52\u3001W78E52\u4e09\u79cd\u5355\u7247\u673a\u4e0a\u5b9e\u9a8c\u901a\u8fc7\u3002<\/p>\n
\n\t\u65b9\u6cd5\u4e8c\uff1a\u8ba1\u6570\u6cd5<\/p>\n
\n\t51\u7684\u8ba1\u6570\u5668\u5728\u6bcf\u6307\u4ee4\u5468\u671f\u52a01\uff0c\u76f4\u5230\u6ea2\u51fa\uff0c\u540c\u65f6\u786c\u4ef6\u7f6e\u6ea2\u51fa\u6807\u5fd7\u4f4d\u3002\u8fd9\u6837\u6211\u4eec\u5c31\u53ef\u4ee5\u901a\u8fc7\u9884\u7f6e\u521d\u503c\u7684\u65b9\u6cd5\u8ba9\u673a\u5668\u6bcf96\u4e2a\u6307\u4ee4\u5468\u671f\u4ea7\u751f\u4e00\u6b21\u6ea2\u51fa\uff0c\u7a0b\u5e8f\u4e0d\u65ad\u7684\u67e5\u8be2\u6ea2\u51fa\u6807\u5fd7\u6765\u51b3\u5b9a\u662f\u5426\u53d1\u9001\u6216\u63a5\u6536\u4e0b\u4e00\u4f4d\u3002<\/p>\n
\n\t\/\/\u8ba1\u6570\u5668\u521d\u59cb\u5316<\/p>\n
\n\tvoid S2INI\uff08void\uff09<\/p>\n
\n\t{<\/p>\n
\n\tTMOD |=0x02; \/\/\u8ba1\u6570\u56680\uff0c\u65b9\u5f0f2<\/p>\n
\n\tTH0=0xA0; \/\/\u9884\u503c\u4e3a256-96=140\uff0c\u5341\u516d\u8fdb\u5236A0<\/p>\n
\n\tTL0=TH0;<\/p>\n
\n\tTR0=1; \/\/\u5f00\u59cb\u8ba1\u6570<\/p>\n
\n\tTF0=0;<\/p>\n
\n\t}<\/p>\n
\n\tvoid WByte\uff08uchar input\uff09<\/p>\n
\n\t{<\/p>\n
\n\t\/\/\u53d1\u9001\u542f\u59cb\u4f4d<\/p>\n
\n\tuchar i=8;<\/p>\n
\n\tTR0=1;<\/p>\n
\n\tTXD=\uff08bit\uff090;<\/p>\n
\n\tWai<\/u>tTF0\uff08\uff09;<\/p>\n
\n\t\/\/\u53d1\u90018\u4f4d\u6570\u636e\u4f4d<\/p>\n
\n\twhile\uff08i--\uff09<\/p>\n
\n\t{<\/p>\n
\n\tTXD=\uff08bit\uff09\uff08input&0x01\uff09; \/\/\u5148\u4f20\u4f4e\u4f4d<\/p>\n
\n\tWaitTF0\uff08\uff09;<\/p>\n
\n\tinput=input\u300b\u300b1;<\/p>\n
\n\t}<\/p>\n
\n\t\/\/\u53d1\u9001\u6821\u9a8c\u4f4d\uff08\u65e0\uff09<\/p>\n
\n\t\/\/\u53d1\u9001\u7ed3\u675f\u4f4d<\/p>\n
\n\tTXD=\uff08bit\uff091;<\/p>\n
\n\tWaitTF0\uff08\uff09;<\/p>\n
\n\tTR0=0;<\/p>\n
\n\t}<\/p>\n
\n\t\/\/\u67e5\u8be2\u8ba1\u6570\u5668\u6ea2\u51fa\u6807\u5fd7\u4f4d<\/p>\n
\n\tvoid WaitTF0\uff08 void \uff09<\/p>\n
\n\t{<\/p>\n
\n\twhile\uff08\uff01TF0\uff09;<\/p>\n
\n\tTF0=0;<\/p>\n
\n\t}<\/p>\n
\n\t\u63a5\u6536\u7684\u7a0b\u5e8f\uff0c\u53ef\u4ee5\u53c2\u8003\u4e0b\u4e00\u79cd\u65b9\u6cd5\uff0c\u4e0d\u518d\u5199\u51fa\u3002\u8fd9\u79cd\u529e\u6cd5\u4e2a\u4eba\u611f\u89c9\u4e0d\u9519\uff0c\u63a5\u6536\u548c\u53d1\u9001\u90fd\u5f88\u51c6\u786e\uff0c\u53e6\u5916\u4e0d\u9700\u8981\u8ba1\u7b97\u6bcf\u6761\u8bed\u53e5\u7684\u6307\u4ee4\u5468\u671f\u6570\u3002<\/p>\n
\n\t\u65b9\u6cd5\u4e09\uff1a\u4e2d\u65ad\u6cd5<\/p>\n
\n\t\u4e2d\u65ad\u7684\u65b9\u6cd5\u548c\u8ba1\u6570\u5668\u7684\u65b9\u6cd5\u5dee\u4e0d\u591a\uff0c\u53ea\u662f\u5f53\u8ba1\u7b97\u5668\u6ea2\u51fa\u65f6\u4fbf\u4ea7\u751f\u4e00\u6b21\u4e2d\u65ad\uff0c\u7528\u6237\u53ef\u4ee5\u5728\u4e2d\u65ad\u7a0b\u5e8f\u4e2d\u7f6e\u6807\u5fd7\uff0c\u7a0b\u5e8f\u4e0d\u65ad\u7684\u67e5\u8be2\u8be5\u6807\u5fd7\u6765\u51b3\u5b9a\u662f\u5426\u53d1\u9001\u6216\u63a5\u6536\u4e0b\u4e00\u4f4d\uff0c\u5f53\u7136\u7a0b\u5e8f\u4e2d\u9700\u5bf9\u4e2d\u65ad\u8fdb\u884c\u521d\u59cb\u5316\uff0c\u540c\u65f6\u7f16\u5199\u4e2d\u65ad\u7a0b\u5e8f\u3002\u672c\u7a0b\u5e8f\u4f7f\u7528Ti<\/u>mer0\u4e2d\u65ad\u3002<\/p>\n
\n\t#define TM0_FLAG P1_2 \/\/\u8bbe\u4f20\u8f93\u6807\u5fd7\u4f4d<\/p>\n
\n\t\/\/\u8ba1\u6570\u5668\u53ca\u4e2d\u65ad\u521d\u59cb\u5316<\/p>\n
\n\tvoid S2INI\uff08void\uff09<\/p>\n
\n\t{<\/p>\n
\n\tTMOD |=0x02; \/\/\u8ba1\u6570\u56680\uff0c\u65b9\u5f0f2<\/p>\n
\n\tTH0=0xA0; \/\/\u9884\u503c\u4e3a256-96=140\uff0c\u5341\u516d\u8fdb\u5236A0<\/p>\n
\n\tTL0=TH0;<\/p>\n
\n\tTR0=0; \/\/\u5728\u53d1\u9001\u6216\u63a5\u6536\u624d\u5f00\u59cb\u4f7f\u7528<\/p>\n
\n\tTF0=0;<\/p>\n
\n\tET0=1; \/\/\u5141\u8bb8\u5b9a\u65f6\u5668<\/u>0\u4e2d\u65ad<\/p>\n
\n\tEA=1; \/\/\u4e2d\u65ad\u5141\u8bb8\u603b\u5f00\u5173<\/u><\/p>\n
\n\t}<\/p>\n
\n\t\/\/\u63a5\u6536\u4e00\u4e2a\u5b57\u7b26<\/u><\/p>\n
\n\tuchar RByte\uff08\uff09<\/p>\n
\n\t{<\/p>\n
\n\tuchar Output=0;<\/p>\n
\n\tuchar i=8;<\/p>\n
\n\tTR0=1; \/\/\u542f\u52a8TImer0<\/p>\n
\n\tTL0=TH0;<\/p>\n
\n\tWaitTF0\uff08\uff09; \/\/\u7b49\u8fc7\u8d77\u59cb\u4f4d<\/p>\n
\n\t\/\/\u53d1\u90018\u4f4d\u6570\u636e\u4f4d<\/p>\n
\n\twhile\uff08i--\uff09<\/p>\n
\n\t{<\/p>\n
\n\tOutput \u300b\u300b=1;<\/p>\n
\n\tif\uff08RXD\uff09 Output |=0x80; \/\/\u5148\u6536\u4f4e\u4f4d<\/p>\n
\n\tWaitTF0\uff08\uff09; \/\/\u4f4d\u95f4\u5ef6\u65f6<\/p>\n
\n\t}<\/p>\n
\n\twhile\uff08\uff01TM0_FLAG\uff09 if\uff08RXD\uff09 break;<\/p>\n
\n\tTR0=0; \/\/\u505c\u6b62TImer0<\/p>\n
\n\treturn Output;<\/p>\n
\n\t}<\/p>\n
\n\t\/\/\u4e2d\u65ad1\u5904\u7406\u7a0b\u5e8f<\/p>\n
\n\tvoid IntTImer0\uff08\uff09 interrupt 1<\/p>\n
\n\t{<\/p>\n
\n\tTM0_FLAG=1; \/\/\u8bbe\u7f6e\u6807\u5fd7\u4f4d\u3002<\/p>\n
\n\t}<\/p>\n
\n\t\/\/\u67e5\u8be2\u4f20\u8f93\u6807\u5fd7\u4f4d<\/p>\n
\n\tvoid WaitTF0\uff08 void \uff09<\/p>\n
\n\t{<\/p>\n
\n\twhile\uff08\uff01TM0_FLAG\uff09;<\/p>\n
\n\tTM0_FLAG=0; \/\/\u6e05\u6807\u5fd7\u4f4d<\/p>\n
\n\t}<\/p>\n
\n\t\u4e2d\u65ad\u6cd5\u4e5f\u662f\u6211\u63a8\u8350\u7684\u65b9\u6cd5\uff0c\u548c\u8ba1\u6570\u6cd5\u5927\u540c\u5c0f\u5f02\u3002\u53d1\u9001\u7a0b\u5e8f\u53c2\u8003\u8ba1\u6570\u6cd5\uff0c\u76f8\u4fe1\u662f\u4ef6\u5f88\u5bb9\u6613\u7684\u4e8b\u3002\u53e6\u5916\u8fd8\u9700\u6ce8\u660e\u7684\u662f\u672c\u6587\u6240\u8bf4\u7684\u4e32\u53e3\u5c31\u662f\u901a\u5e38\u7684\u4e09\u7ebf\u5236\u5f02\u6b65\u901a\u4fe1\u4e32\u53e3\uff08UART<\/u>\uff09\uff0c\u53ea\u7528RXD\u3001TXD\u3001GND\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"
\u968f\u7740 \u5355\u7247\u673a \u7684\u4f7f\u7528\u65e5\u76ca\u9891\u7e41\uff0c\u7528\u5176\u4f5c\u524d\u7f6e\u673a\u8fdb\u884c\u91c7\u96c6\u548c\u901a\u4fe1\u4e5f\u5e38\u89c1\u4e8e\u5404\u79cd\u5e94\u7528\uff0c\u4e00\u822c\u662f\u5229\u7528\u524d\u7f6e\u673a\u91c7\u96c6\u5404\u79cd\u7ec8\u7aef\u6570\u636e\u540e\u8fdb\u884c\u5904\u7406\u3001 \u5b58\u50a8 \uff0c\u518d\u4e3b\u52a8\u6216\u88ab\u52a8\u4e0a\u62a5\u7ed9\u7ba1\u7406\u7ad9\u3002\u8fd9\u79cd\u60c5\u51b5\u4e0b\u4e0b\uff0c<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[14],"tags":[],"_links":{"self":[{"href":"http:\/\/www.szryc.com\/index.php?rest_route=\/wp\/v2\/posts\/2896"}],"collection":[{"href":"http:\/\/www.szryc.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/www.szryc.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/www.szryc.com\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/www.szryc.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=2896"}],"version-history":[{"count":0,"href":"http:\/\/www.szryc.com\/index.php?rest_route=\/wp\/v2\/posts\/2896\/revisions"}],"wp:attachment":[{"href":"http:\/\/www.szryc.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=2896"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/www.szryc.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=2896"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/www.szryc.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=2896"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}