单片机8x8点阵电梯移动效果

#include<reg51.h> #define uchar unsigned char #define uint unsigned int sbit RS=P2^0;// LCD寄存器选择位，定义P2^0口为RS sbit RW=P2^1;// LCD读写选择位 sbit EN=P2^2;// LCD使能信号位 unsigned char character1[8] = {0x00,0x1f,0x11,0x1f,0x11,0x11,0x1f,0x00}, //日 character2[8] = {0x00,0x1f,0x14,0x1f,0x15,0x15,0x19,0x00}; //历 uchar time[]= " 12:30:00 "; uchar date[]=" 2011-05-24 "; uchar pinlv[]="Pinlv 000000Hz"; volatile unsigned int pin,n;//声明可在中断中可改变的量 volatile unsigned long f=0;//声明可在中断中可改变的量，为所测频率 int k,l; //两个全局变量，用来切换模式 uchar Hour =12, Minute =30, Second =0,Day=24,Month=5,Year=11,left=20,a=0,b=0,c=0,d=0,e=0; sbit KC1 = P1^4; sbit KC2 = P1^5; sbit KC3 = P1^6; sbit KR1 = P1^0; sbit KR2 = P1^1; sbit KR3 = P1^2; sbit KR4 = P1^3; //延时 void delay(int dly) { int i,j; for(j=dly;j>0;j--) for(i=0;i<120;i++); } //忙检查 uchar Busy_Check() { uchar LCD_Status; //定义LCD_Status为函数返回值 RS=0; //为零时输入指令 RW=1; //从LCD读取信息 EN=1; //开始读 delay(1); //延时使LCD有足够时间接收信号 LCD_Status=P0; //记下高八位数 EN=0; //EN恢复初值 return LCD_Status; } //写LCD命令 void Write_LCD_Command(uchar cmd,busy) { if (busy) Busy_Check(); //根据需要检测忙 RS=0; //为零时输入指令 RW=0; //为零时写入指令 EN=0; P0=cmd; //将指令送到P0口 EN=1;delay(1);EN=0; //E恢复初值 } //发送数据 void Write_LCD_Data(uchar dat) { while(Busy_Check==1); //忙等待 RS=1; //为1时输入数据 RW=0; //为零时写入数据 EN=0; P0=dat; //将数据送到P0口 EN=1; //使其产生下降沿,从而写入数据 delay(1); EN=0; //使其产生下降沿,从而执行指令 } //LCD初始化 void Initialize_LCD() { Write_LCD_Command(0x38,0);delay(1); Write_LCD_Command(0x01,1);delay(1); //清屏 Write_LCD_Command(0x06,1);delay(1); //字符进入模式：屏幕不动，字符后移 Write_LCD_Command(0x0c,1);delay(1); //显示开，光标关 } //显示字符串 void ShowString(uchar x,uchar y,uchar *str) { uchar i=0; if(y==0) Write_LCD_Command(0x80|x,1); //设置显示起始位置 if(y==1) Write_LCD_Command(0xc0|x,1); if(y==2) Write_LCD_Command(0x90|x,1); if(y==3) Write_LCD_Command(0xd0|x,1); for(i=0;i<16;i++) //输出字符串 { Write_LCD_Data(str[i]); } } void displaytime() { time[5]= Hour / 10 + '0'; time[6]= Hour % 10 + '0'; time[8]= Minute / 10 + '0'; time[9]= Minute % 10 + '0'; time[11]= Second / 10 + '0'; time[12] = Second % 10 + '0'; } void displaydate() { date[10] =Month/10+ '0'; date[11] =Month%10+ '0'; date[13] =Day/10+ '0'; date[14] =Day%10+ '0'; } void jinwei(void)//进位函数，实现时间，日历，倒计时的进位 { if(n>=100) //n=100*0.01=1s { n=0; //n清0 Second++; //实现秒自加1 } if (Second == 60) //如果秒加到60 { Second =0; //秒清0 Minute++; //实现分自加1 } if(Minute == 60) { Minute = 0; Hour++; } if(Hour == 24) { Hour = 0;Minute = 0;Second = 0; } if(Month==13) { Month=1;//月份如果加到13，月变为1 } if(Day==32) { Day=1; } } //获得键值函数，采用行列扫描法 char keyget(void) { unsigned char ucRt; //返回键值 ucRt=0; while (1) { //所有列线设为输入状态 KC1=1; KC2=1; KC3=1; //所有行线设为高电平 KR1=1; KR2=1; KR3=1; KR4=1; //扫描第一行 KR1=0; //将KR1清0 if (KC1==0){ //如果KC1==0，说明“1”已按下 ucRt=1; //键值为1 } if (KC2==0){ ucRt=2; } if (KC3==0){ ucRt=3; } KR1=1; KR2=0; if (KC1==0){ ucRt=4; } if (KC2==0){ ucRt=5; } if (KC3==0){ ucRt=6; } KR2=1; KR3=0; if (KC1==0){ ucRt=7; } if (KC2==0){ ucRt=8; } if (KC3==0){ ucRt=9; } KR3=1; KR4=0; if (KC1==0){ l=1; } if (KC2==0){ ucRt=10; } if (KC3==0){ k=1; } KR4=1; return ucRt; } } void T1init(void) //定时器初始化 { TMOD=0x11; TL1=0x00; TH1=0xdc; ET1=1; EA=1; TR1=1; } void ISR_INT0(void) interrupt 0 { if(pin<=100)//当为1秒时，停止计数 f++; } void INT0init(void) { IT0=1; //下降沿触发 } void T0init(void) { //计数初值m=2^16-f(osc)*0.01/12=dc00 TMOD=(TMOD&0xF0)|0x01;//选择模式1 TH0=0xdc; //一秒钟中断100次 TL0=0x00; TR0=1; //启动定时器 } void ISR_T0(void) interrupt 1 { TH0=0xdc; //一秒中断100次 TL0=0x00; pin++; //中断一次加一次 } void ISR_T1() interrupt 3 { TH1=0xdc; TL1=0x00; n++; } int displayfren() { int a,b,c,d,e; a=f%10000%1000%100%10;//得到频率个位 b=f%10000%1000%100/10; //得到频率十位 c=f%10000%1000/100; //得到频率百位 d=f%10000/1000; //得到频率千位 e=f/10000; //得到频率万位 pinlv[11]=a+ '0'; pinlv[10]=b+ '0'; pinlv[9]=c+ '0'; pinlv[8]=d+ '0'; pinlv[7]=e+ '0'; } /****************************************** **********/ void DisplayOneChar(unsigned char X, unsigned char Y, unsigned char DData) { if(Y==0) Write_LCD_Command(0x80|X); //设置显示起始位置 if(Y==1) Write_LCD_Command(0xc0|X); if(Y==2) Write_LCD_Command(0x90|X); //设置显示起始位置 if(Y==3) Write_LCD_Command(0xD0|X); Write_LCD_Data(DData); } //===================================================================================== //显示自定义字符 //void mychar(char xx,char yy,unsigned char *character,unsigned char saveto) //说明:xx(0-15):为x参数.yy(0-1):y参数.character:要显示的字符的列表地址,在程序前面有定义 //saveto(1-7)为字符保存的RAM，每屏最多显示7个自定义字符 //(0x00-0x0h是自定义字符) //===================================================================================== void mychar(char xx,char yy,unsigned char *character,unsigned char saveto) { unsigned char add = (saveto<<3) | 0x40; int i; /*t=*(character+0); Write_LCD_Command(add,0); //第1行 Write_LCD_Data(t); t=*(character+1); Write_LCD_Command(add+1,0); //第2行 Write_LCD_Data(t); t=*(character+2); Write_LCD_Command(add+2,0); //第3行 Write_LCD_Data(t); t=*(character+3); Write_LCD_Command(add+3,0); //第4行 Write_LCD_Data(t); t=*(character+4); Write_LCD_Command(add+4,0); //第5行 Write_LCD_Data(t); t=*(character+5); Write_LCD_Command(add+5,0); //第6行 Write_LCD_Data(t); t=*(character+6); Write_LCD_Command(add+6,0); //第7行 Write_LCD_Data(t); t=*(character+7); Write_LCD_Command(add+7,0); //第8行 Write_LCD_Data(t); */ for(i = 0;i<8;i++) { Write_LCD_Command(add+i, 0); Write_LCD_Data(character[i]); } DisplayOneChar(xx,yy,saveto); //显示字符 } /*************************************** ********************/ //主程序 void main() { Initialize_LCD(); T0init(); T1init();//T1中断初始化 INT0init();//INIT中断初始化 while(1) { while(1) { ShowString(0,1,date); ShowString(0,2,time); delay(200); jinwei(); displaydate(); displaytime(); mychar(0,0, character1,7); mychar(1,0, character2,3); switch(keyget()) { case 1: Month++;break; case 2: Month--;if(Month==0) Month=12; break; case 3: Day++;break; case 4: Day--; if(Day==0) Month=31; break; case 5: Hour++;break; case 6: Hour--;if(Hour==-1) Hour=23;break; case 7: Minute++; break; case 8: Minute--;if(Minute==0) Minute=59;break; default:break; } if(k==1) { k=0; break; } } while(1) { ShowString(0,0,date); ShowString(0,1,time);ShowString(0,2,pinlv); delay(200); displaydate(); displaytime(); jinwei();