{"id":84,"date":"2009-07-22T21:59:23","date_gmt":"2009-07-22T13:59:23","guid":{"rendered":"http:\/\/www.fujiangyun.com.cn\/?p=84"},"modified":"2009-07-22T21:59:23","modified_gmt":"2009-07-22T13:59:23","slug":"84","status":"publish","type":"post","link":"https:\/\/www.fujiangyun.com\/blog\/?p=84","title":{"rendered":"\u8fde\u7eed\u9891\u7387\u4ea7\u751f\u5668"},"content":{"rendered":"

\/********************************
\n\u5de5\u7a0b\u540d\uff1a\u8fde\u7eed\u9891\u7387\u4ea7\u751f\u5668
\n\u539f\u4f5c\u8005\uff1a\u4e93\u5148\u519b
\n\u4fee\u6539\u8005\uff1a\u4ed8\u6c5f\u4e91
\n\u8bf4 \u660e\uff1a\u5c0625M\u7684\u9891\u7387\u901a\u8fc782C54
\n \u8fde\u7eed\u5206\u9891\uff0c\u4ea7\u751f\u5404\u6bb5\u8fde\u7eed
\n \u9891\u7387\u4fe1\u53f7\u3002
\n\u539f\u5730\u5740\uff1ahttp:\/\/www.dadwj.cn\/post\/371.html<\/a>
\n\u4fee\u6539\u5904\uff1a\u6570\u7801\u7ba1\u663e\u793a\u65b9\u5f0f\uff0c\u8f93\u51fa\u8fde\u7eed\u9891\u7387\u65f6\u91c7\u7528
\n \u5faa\u73af\u5f80\u8fd4\u8f93\u51fa\u3002
\n********************************\/
\n#include<reg51.h>
\n#define uchar unsigned char
\n#define uint unsigned int<\/p>\n

\/\/\u6309\u952e\u5b8f\u5b9a\u4e49
\n#define key1 0x0fa
\n#define key2 0x0f9
\n#define key3 0x0f3
\n#define key4 0x0eb
\n#define key5 0x0db
\n#define key6 0x0bb
\n#define key7 0x07b<\/p>\n

\/\/\u663e\u793a\u6570\u5b57\u6570\u7ec4\u5b9a\u4e49
\nuchar code num[]={0xf0,0xf1,0xf2,0xf3,0xf4,0xf5,0xf6,0xf7,0xf8,0xf9};
\n\/*
\n#define num0 0xf0
\n#define num1 0xf1
\n#define num2 0xf2
\n#define num3 0xf3
\n#define num4 0xf4
\n#define num5 0xf5
\n#define num6 0xf6
\n#define num7 0xf7
\n#define num8 0xf8
\n#define num9 0xf9
\n*\/<\/p>\n

\/\/8254\u7ba1\u811a\u5b9a\u4e49
\nsbit wr=P2^4;
\nsbit rd=P2^3;
\nsbit cs=P2^2;
\nsbit a1=P2^1;
\nsbit a0=P2^0;<\/p>\n

\/\/4051\u5730\u5740\u4f4d\u5b9a\u4e49
\nsbit _4051a0=P2^5;
\nsbit _4051a1=P2^6;
\nsbit _4051a2=P2^7;<\/p>\n

\/\/4\u4e2a\u6570\u7801\u7ba1\u4f4d\u9009\u5b9a\u4e49,4511\u9009\u901a\u4f4d
\nsbit wei1=P1^4;
\nsbit wei2=P1^5;
\nsbit wei3=P1^6;
\nsbit wei4=P1^7;<\/p>\n

\/\/1\u6beb\u79d2\u5ef6\u65f6\u51fd\u6570
\nvoid delay(uint z)
\n{
\n uint x,y;
\n for(x=z;x>0;x–)
\n for(y=124;y>0;y–);
\n}<\/p>\n

\/********8254\u6a21\u5757\u51fd\u6570*********\/
\nvoid wr_c(uchar com) \/\/8254\u5199\u63a7\u5236\u5b57\u51fd\u6570
\n{
\n uint i;
\n a1=1;
\n a0=1;
\n P0=com;
\n wr=0;
\n for(i=0;i<1;i++);
\n wr=1;
\n}<\/p>\n

void wr_d(uchar dat,bit aa1,bit aa0) \/\/8254\u5199\u6570\u636e\u51fd\u6570
\n{
\n uint i;
\n a1=aa1;
\n a0=aa0;
\n P0=dat;
\n wr=0;
\n for(i=0;i<2;i++);
\n wr=1;
\n}
\n\/**********8254\u6a21\u5757\u51fd\u6570\u7ed3\u675f**********\/<\/p>\n

\/*****************\u5404\u6bb5\u5206\u9891\u5b50\u51fd\u6570****************\/
\nvoid fre100k_400k() \/\/100k\u5230400K\u7684\u8fde\u7eed\u5206\u9891
\n{
\n uint cnt;
\n uchar th,tl;
\n _4051a0=0;
\n _4051a1=0;
\n _4051a2=0;
\n for(cnt=0x00fa;cnt>0x003d;cnt–)
\n {
\n tl=cnt%0x100;
\n th=cnt\/0x100;
\n wr_d(tl,0,0);
\n wr_d(th,0,0);
\n }
\n for(cnt=0x003d;cnt<0x00fa;cnt++)
\n {
\n tl=cnt%0x100;
\n th=cnt\/0x100;
\n wr_d(tl,0,0);
\n wr_d(th,0,0);
\n }
\n}<\/p>\n

void fre10k_100k() \/\/10k\u5230100K\u7684\u8fde\u7eed\u5206\u9891
\n{
\n uint cnt;
\n uchar th,tl;
\n _4051a0=0;
\n _4051a1=0;
\n _4051a2=0;
\n for(cnt=0x09c4;cnt>0x00fa;cnt–)
\n {
\n tl=cnt%0x100;
\n th=cnt\/0x100;
\n wr_d(tl,0,0);
\n wr_d(th,0,0);
\n }
\n for(cnt=0x00fa;cnt<0x09c4;cnt++)
\n {
\n tl=cnt%0x100;
\n th=cnt\/0x100;
\n wr_d(tl,0,0);
\n wr_d(th,0,0);
\n }
\n}<\/p>\n

void fre1k_10k() \/\/1k\u523010K\u7684\u8fde\u7eed\u5206\u9891
\n{
\n uint cnt;
\n uchar th,tl;
\n _4051a0=0;
\n _4051a1=0;
\n _4051a2=0;
\n for(cnt=0x61a6;cnt>0x09c4;cnt–)
\n {
\n tl=cnt%0x100;
\n th=cnt\/0x100;
\n wr_d(tl,0,0);
\n wr_d(th,0,0);
\n }
\n for(cnt=0x09c4;cnt<0x61a6;cnt++)
\n {
\n tl=cnt%0x100;
\n th=cnt\/0x100;
\n wr_d(tl,0,0);
\n wr_d(th,0,0);
\n }
\n}<\/p>\n

void fre500_1k() \/\/500\u52301K\u7684\u8fde\u7eed\u5206\u9891
\n{
\n uint cnt;
\n uchar th,tl;
\n _4051a0=0;
\n _4051a1=0;
\n _4051a2=0; \/\/\u5f00\u901a4051\u901a\u90530
\n wr_c(0x36); \/\/\u901a\u90530\u8bfb\u51998\u4f4d\uff0c\u5de5\u4f5c\u65b9\u5f0f3BCD\u8ba1\u6570
\n for(cnt=0xc34e;cnt>0x61a6;cnt–)
\n {
\n tl=cnt%0x100;
\n th=cnt\/0x100;
\n wr_d(tl,0,0);
\n wr_d(th,0,0);
\n }
\n for(cnt=0x61a6;cnt<0xc34e;cnt++)
\n {
\n tl=cnt%0x100;
\n th=cnt\/0x100;
\n wr_d(tl,0,0);
\n wr_d(th,0,0);
\n }
\n}<\/p>\n

void fre100_500() \/\/100\u5230500\u7684\u8fde\u7eed\u5206\u9891
\n{
\n uint cnt;
\n uchar th,tl;
\n wr_d(0x3d,0,0);
\n wr_d(0x00,0,0);
\n wr_c(0x76); \/\/\u901a\u90531\u8bfb\u51998\u4f4d\uff0c\u5de5\u4f5c\u65b9\u5f0f3BCD\u8ba1\u6570
\n _4051a0=1;
\n _4051a1=0;
\n _4051a2=0; \/\/\u63a5\u901a4051\u901a\u90531
\n for(cnt=0x1001;cnt>0x0332;cnt–)
\n {
\n tl=cnt%0x100;
\n th=cnt\/0x100;
\n wr_d(tl,0,1);
\n wr_d(th,0,1);
\n }
\n for(cnt=0x0332;cnt<0x1001;cnt++)
\n {
\n tl=cnt%0x100;
\n th=cnt\/0x100;
\n wr_d(tl,0,1);
\n wr_d(th,0,1);
\n }
\n}<\/p>\n

void fre1_100() \/\/1\u5230100\u7684\u8fde\u7eed\u5206\u9891
\n{
\n uint cnt;
\n uchar th,tl;
\n wr_d(0xa0,0,0);
\n wr_d(0x01,0,0);
\n wr_c(0x76); \/\/\u901a\u90531\u8bfb\u51998\u4f4d\uff0c\u5de5\u4f5c\u65b9\u5f0f3BCD\u8ba1\u6570
\n _4051a0=1;
\n _4051a1=0;
\n _4051a2=0; \/\/\u63a5\u901a4051\u901a\u90531
\n for(cnt=0xeab8;cnt>0x257;cnt–)
\n {
\n tl=cnt%0x100;
\n th=cnt\/0x100;
\n wr_d(tl,0,1);
\n wr_d(th,0,1);
\n }
\n for(cnt=0x0257;cnt<0xeab8;cnt++)
\n {
\n tl=cnt%0x100;
\n th=cnt\/0x100;
\n wr_d(tl,0,1);
\n wr_d(th,0,1);
\n }
\n}<\/p>\n

void fre1_400k() \/\/1\u5230400K\u7684\u8fde\u7eed\u5206\u9891
\n{
\n fre100k_400k();
\n fre10k_100k();
\n fre1k_10k();
\n fre500_1k();
\n fre100_500();
\n fre1_100();
\n fre1_100();
\n fre100_500();
\n fre500_1k();
\n fre1k_10k();
\n fre10k_100k();
\n fre100k_400k();
\n}
\n\/*****************\u5404\u6bb5\u5206\u9891\u51fd\u6570\u7ed3\u675f**************\/<\/p>\n

\/***************\u6570\u7801\u7ba1\u663e\u793a\u6a21\u5757\u51fd\u6570**************\/
\nvoid display(uchar dat)
\n{
\n P1=num[dat];
\n wei1=0;
\n delay(500);
\n wei2=0;
\n delay(500);
\n wei3=0;
\n delay(500);
\n wei4=0;
\n}
\n\/*************\u6570\u7801\u7ba1\u663e\u793a\u6a21\u5757\u51fd\u6570\u7ed3\u675f************\/<\/p>\n

void main() \/\/\u4e3b\u51fd\u6570\u5165\u53e3
\n{
\n cs=0;
\n wr_c(0x36);
\n _4051a0=0;
\n _4051a1=0;
\n _4051a2=0;
\n EA=1;
\n EX0=1;
\n display(4);
\n while(1)
\n fre500_1k();
\n}<\/p>\n

void inter() interrupt 0
\n{
\n uint i;
\n EX0=0;
\n delay(5);
\n switch(P3)
\n {
\n case key1:
\n display(1);
\n for(i=0;i<20;i++)
\n fre100k_400k();
\n break;
\n case key2:
\n display(2);
\n for(i=0;i<20;i++)
\n fre10k_100k();
\n break;
\n case key3:
\n display(3);
\n for(i=0;i<20;i++)
\n fre1k_10k();
\n break;
\n case key4:
\n display(4);
\n for(i=0;i<20;i++)
\n fre500_1k();
\n break;
\n case key5:
\n display(5);
\n for(i=0;i<20;i++)
\n fre100_500();
\n break;
\n case key6:
\n display(6);
\n for(i=0;i<20;i++)
\n fre1_100();
\n break;
\n case key7:
\n display(7);
\n for(i=0;i<10;i++)
\n fre1_400k();
\n break;
\n }
\n EX0=1;
\n display(4);
\n}<\/p>\n","protected":false},"excerpt":{"rendered":"

\/********************************
\n\u5de5\u7a0b\u540d\uff1a\u8fde\u7eed\u9891\u7387\u4ea7\u751f\u5668
\n\u539f\u4f5c\u8005\uff1a\u4e93\u5148\u519b
\n\u4fee\u6539\u8005\uff1a\u4ed8\u6c5f\u4e91
\n\u8bf4 \u660e\uff1a\u5c0625M\u7684\u9891\u7387\u901a\u8fc782C54
\n \u8fde\u7eed\u5206\u9891\uff0c\u4ea7\u751f\u5404\u6bb5\u8fde\u7eed
\n \u9891\u7387\u4fe1\u53f7\u3002
\n\u539f\u5730\u5740\uff1ahttp:\/\/www.dadwj.cn\/post\/371.html
\n\u4fee\u6539\u5904\uff1a\u6570\u7801\u7ba1\u663e\u793a\u65b9\u5f0f\uff0c\u8f93\u51fa\u8fde\u7eed\u9891\u7387\u65f6\u91c7\u7528
\n \u5faa\u73af\u5f80\u8fd4\u8f93\u51fa\u3002
\n********************************\/<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[4],"tags":[10,29,31,37],"class_list":["post-84","post","type-post","status-publish","format-standard","hentry","category-4","tag-cc","tag-29","tag-31","tag-37"],"_links":{"self":[{"href":"https:\/\/www.fujiangyun.com\/blog\/index.php?rest_route=\/wp\/v2\/posts\/84","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.fujiangyun.com\/blog\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.fujiangyun.com\/blog\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.fujiangyun.com\/blog\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.fujiangyun.com\/blog\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=84"}],"version-history":[{"count":0,"href":"https:\/\/www.fujiangyun.com\/blog\/index.php?rest_route=\/wp\/v2\/posts\/84\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.fujiangyun.com\/blog\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=84"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.fujiangyun.com\/blog\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=84"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.fujiangyun.com\/blog\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=84"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}