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[p=193, null, left]程序源代碼：analog[p=193, null, left]elevator.c[p=181, null, left][size=169px]#include<reg52.h>//([p=181, null, left]用于單片機(jī)開發(fā)的一種[p=181, null, left][size=169px]c[p=181, null, left]語(yǔ)言[p=181, null, left][size=169px])[p=181, null, left]的頭文件[p=181, null, left][size=169px]#include<absacc.h>//[p=181, null, left]訪問(wèn)絕對(duì)地址[p=181, null, left][size=169px]#include<stdio.h>//[p=181, null, left]標(biāo)準(zhǔn)輸入輸出流[p=181, null, left][size=169px]#define[p=181, null, left][size=169px]COM8279[p=181, null, left][size=169px]XBYTE[p=181, null, left][size=169px][0X5FFF][p=181, null, left][size=169px]//[p=181, null, left]控制命令地址[p=181, null, left][size=169px]#define[p=181, null, left][size=169px]DATA8279[p=181, null, left][size=169px]XBYTE[p=181, null, left][size=169px][0X5EFF][p=181, null, left][size=169px]//[p=181, null, left]數(shù)據(jù)地址[p=181, null, left][size=169px]#define[p=181, null, left][size=169px]uchar[p=181, null, left][size=169px]unsigned[p=181, null, left][size=169px]char//[p=181, null, left]宏定義[p=181, null, left][size=169px]#define[p=181, null, left][size=169px]uint[p=181, null, left][size=169px]unsigned[p=181, null, left][size=169px]int//[p=181, null, left]定義鍵內(nèi)碼傳遞參數(shù)[p=181, null, left][size=169px]uint[p=181, null, left][size=169px]time,temp,i,anjian,shijian,t,flag;//[p=181, null, left]定義延時(shí)時(shí)間參數(shù)[p=181, null, left][size=169px]uchar[p=181, null, left][size=169px]code[p=181, null, left][size=169px]table[]={0x0C0,0x0F9,0x0A4,0x0B0[p=181, null, left][size=169px]//[p=181, null, left]鍵盤碼表[p=181, null, left][size=169px],0x99,0x92,0x82,0x0F8[p=181, null, left][size=169px],0x80,0x90,0x88,0x83[p=181, null, left][size=169px],0x0C6,0x0A1,0x86,0x8E};[p=181, null, left][size=169px]uint[p=181, null, left][size=169px]shumaguan[]={0,0,0,0,0,1};//[p=181, null, left]六個(gè)數(shù)碼管的初始化值[p=181, null, left][size=169px]void[p=181, null, left][size=169px]delay(uint[p=181, null, left][size=169px]time);[p=181, null, left][size=169px]void[p=181, null, left][size=169px]show(void);[p=181, null, left][size=169px]void[p=181, null, left][size=169px]init(void);[p=181, null, left][size=169px]void[p=181, null, left][size=169px]light(void);[p=181, null, left][size=169px]sbit[p=181, null, left][size=169px]upred=P1^7;[p=181, null, left][size=169px]sbit[p=181, null, left][size=169px]downgreen=P1^5;[p=181, null, left][size=169px]sbit[p=181, null, left][size=169px]stopled=P1^0;[p=181, null, left][size=169px]sbit[p=181, null, left][size=169px]openled=P1^1;[p=181, null, left][size=169px]sbit[p=181, null, left][size=169px]closeled=P1^2;[p=181, null, left][size=169px]sbit[p=181, null, left][size=169px]ring=P1^3;//[p=181, null, left]響鈴[p=181, null, left][size=169px]sbit[p=181, null, left][size=169px]motor=P1^4;//[p=181, null, left]直流電機(jī)
[p=144, null, left]第[p=144, null, left]6[p=144, null, left]頁(yè)[p=181, null, left]void[p=181, null, left]main()//[p=181, null, left][size=169px]主函數(shù)[p=181, null, left]{[p=181, null, left]init();//[p=181, null, left][size=169px]初始化（包括開中斷，中斷觸發(fā)方式，[p=181, null, left]8279[p=181, null, left][size=169px]的初始化，[p=181, null, left]RAM[p=181, null, left][size=169px]和[p=181, null, left]FIFO[p=181, null, left][size=169px]的清除、[p=181, null, left][size=169px]編[p=169, null, left][size=169px]碼方式、分頻系數(shù)等）[p=181, null, left]while(1){[p=181, null, left]show();[p=181, null, left]if(temp==1){light();}[p=181, null, left]}[p=181, null, left]}[p=181, null, left]/*[p=181, null, left][size=169px]初始化函數(shù)[p=181, null, left]*/[p=181, null, left]void[p=181, null, left]init(void){[p=181, null, left]delay(1300);[p=181, null, left]//[p=181, null, left][size=169px]開機(jī)延時(shí)約[p=181, null, left]10ms[p=181, null, left]IT1=0;[p=181, null, left]//[p=181, null, left][size=169px]外部中斷[p=181, null, left]1[p=181, null, left][size=169px]選用下降沿[p=181, null, left]EA=1;[p=181, null, left]//[p=181, null, left][size=169px]開總中斷[p=181, null, left]EX1=1;[p=181, null, left]//[p=181, null, left][size=169px]開外部中斷[p=181, null, left]EX0=1;[p=181, null, left]COM8279=0XDC;[p=181, null, left]//[p=181, null, left][size=169px]清除顯示[p=181, null, left]RAM[p=181, null, left][size=169px]和[p=181, null, left]FIFO[p=181, null, left]delay(100);[p=181, null, left]COM8279=0X00;[p=181, null, left]//8279[p=181, null, left][size=169px]鍵盤雙鍵互鎖[p=181, null, left],[p=181, null, left][size=169px]編碼掃描，左端入口[p=181, null, left]COM8279=0X34;[p=181, null, left]//[p=181, null, left][size=169px]時(shí)鐘分頻設(shè)置[p=181, null, left]COM8279=0X92;[p=181, null, left]//[p=181, null, left][size=169px]設(shè)置寫顯示命令[p=181, null, left]for(i=0;i<6;i++)[p=181, null, left]DATA8279=table[0];[p=181, null, left]TMOD=0x01;[p=181, null, left]TH0=(65536-50000)/256;[p=181, null, left]TL0=(65536-50000)%256;[p=181, null, left]anjian=0;//[p=181, null, left][size=169px]顯示時(shí)間[p=181, null, left]shijian=0;//[p=181, null, left][size=169px]表示時(shí)間[p=181, null, left]temp=0;[p=181, null, left]}[p=181, null, left]/*[p=181, null, left][size=169px]延時(shí)函數(shù)[p=181, null, left]*/[p=181, null, left]void[p=181, null, left]delay[p=181, null, left](uint[p=181, null, left]time)[p=181, null, left]{[p=181, null, left]uchar[p=181, null, left]j;[p=181, null, left]while[p=181, null, left](time--)[p=181, null, left]{[p=181, null, left]for[p=181, null, left](j=100;j>0;j--);[p=181, null, left]//[p=181, null, left][size=169px]用[p=181, null, left]j[p=181, null, left][size=169px]來(lái)進(jìn)行[p=181, null, left]100[p=181, null, left][size=169px]次循環(huán)[p=181, null, left],[p=181, null, left][size=169px]大約[p=181, null, left]8us[p=181, null, left]}[p=181, null, left]}
[p=144, null, left]第[p=144, null, left]7[p=144, null, left]頁(yè)[p=181, null, left][size=169px]/*[p=181, null, left][size=169px]顯示函數(shù)[p=181, null, left][size=169px]*/[p=181, null, left][size=169px]void[p=181, null, left][size=169px]show(void){[p=181, null, left][size=169px]COM8279=0x92;//8279[p=181, null, left][size=169px]命令字[p=181, null, left][size=169px]shumaguan[1]=anjian;[p=181, null, left][size=169px]for(i=0;i<6;i++){[p=181, null, left][size=169px]DATA8279=table[shumaguan];//[p=181, null, left][size=169px]顯示[p=181, null, left][size=169px]shumaguan[p=181, null, left][size=169px]數(shù)組[p=181, null, left][size=169px]}[p=181, null, left][size=169px]}[p=181, null, left][size=169px]/*[p=181, null, left][size=169px]鍵盤中斷[p=181, null, left][size=169px]*/[p=181, null, left][size=169px]void[p=181, null, left][size=169px]int1_serve(void)[p=181, null, left][size=169px]interrupt[p=181, null, left][size=169px]2[p=181, null, left][size=169px]{[p=181, null, left][size=169px]COM8279=0x40;//[p=181, null, left][size=169px]讀鍵盤命令[p=181, null, left][size=169px]shumaguan[0]=DATA8279;[p=181, null, left][size=169px]temp=1;[p=181, null, left][size=169px]flag=1;[p=181, null, left][size=169px]}[p=181, null, left][size=169px]/*[p=181, null, left][size=169px]定時(shí)器[p=181, null, left][size=169px]0[p=181, null, left][size=169px]中斷[p=181, null, left][size=169px]*/[p=181, null, left][size=169px]void[p=181, null, left][size=169px]time0()[p=181, null, left][size=169px]interrupt[p=181, null, left][size=169px]1[p=181, null, left][size=169px]{[p=181, null, left][size=169px]TH0=(65536-50000)/256;[p=181, null, left][size=169px]TL0=(65536-50000)%256;[p=181, null, left][size=169px]if(t==20){[p=181, null, left][size=169px]t=0;[p=181, null, left][size=169px]if(anjian==8)[p=181, null, left][size=169px]{anjian=0[p=181, null, left][size=169px]；[p=181, null, left][size=169px]}[p=181, null, left][size=169px]else[p=181, null, left][size=169px]anjian++;[p=181, null, left][size=169px]}[p=181, null, left][size=169px]t++;[p=181, null, left][size=169px]show();[p=181, null, left][size=169px]}[p=181, null, left][size=169px]void[p=181, null, left][size=169px]light()[p=181, null, left][size=169px]{[p=181, null, left][size=169px]EX1=0;[p=181, null, left][size=169px]while(flag){[p=181, null, left][size=169px]if[p=181, null, left][size=169px](shumaguan[0]>shumaguan[5]){[p=181, null, left][size=169px]ET0=1;TR0=1;upred=0;[p=181, null, left][size=169px]motor=0;[p=181, null, left][size=169px]shijian=2*(shumaguan[0]-shumaguan[5]);[p=181, null, left][size=169px]//[p=181, null, left][size=169px]電梯上升時(shí)間[p=181, null, left][size=169px]if(shumaguan[1]<shijian)[p=181, null, left][size=169px]{upred=0;motor=0;[p=181, null, left][size=169px]}[p=181, null, left][size=169px]else
[p=144, null, left]{ET0=0;TR0=0;upred=1;motor=1;anjian=0;shumaguan[5]=shumaguan[0];}第[p=144, null, left]6[p=144, null, left]頁(yè)[p=181, null, left]void[p=181, null, left]main()//[p=181, null, left][size=169px]主函數(shù)[p=181, null, left]{[p=181, null, left]init();//[p=181, null, left][size=169px]初始化（包括開中斷，中斷觸發(fā)方式，[p=181, null, left]8279[p=181, null, left][size=169px]的初始化，[p=181, null, left]RAM[p=181, null, left][size=169px]和[p=181, null, left]FIFO[p=181, null, left][size=169px]的清除、[p=181, null, left][size=169px]編[p=169, null, left][size=169px]碼方式、分頻系數(shù)等）[p=181, null, left]while(1){[p=181, null, left]show();[p=181, null, left]if(temp==1){light();}[p=181, null, left]}[p=181, null, left]}
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仿真圖
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