秒表protues仿真 51单片机秒表仿真程序设计 protues秒表仿真设计.zip

//2010/1/2 18:38 complete #include<reg52.h> #include<intrins.h> #define uint unsigned int #define uchar unsigned char sbit ln=P2^1; sbit ls=P2^0; sbit k1=P1^0; sbit k2=P1^1; sbit k3=P1^2; sbit k4=P1^3; sbit mode=P1^4; uchar code table[]="0123456789"; uchar code table1[]=":.-"; uchar code table2[]="Number"; uchar code table3[]="MONTUEWEDTHUFRISATSUN"; uchar t=0,i,aa=0,bb=0,flag=0,month,day,week,hour,min,sec,min2=0,sec2=0,secp=0,num=0,max,flag2=0; uchar mins[20]=0,secs[20]=0,secps[20]=0; int year; bit write=0; sbit sda=P2^7; sbit scl=P2^6; void delay0() {;;} void start() { sda=1; delay0(); scl=1; delay0(); sda=0; delay0(); } void stop() { sda=0; delay0(); scl=1; delay0(); sda=1; delay0(); } void respons() { unsigned char i; scl=1; delay0(); while((sda==1)&&(i<250)) i++; scl=0; delay0(); } void init_24c02() { sda=1; delay0(); scl=1; delay0(); } void write_byte(unsigned char date) { unsigned char i,temp; temp=date; for(i=0;i<8;i++) { temp=temp<<1; scl=0; delay0(); sda=CY; delay0(); scl=1; delay0(); } scl=0; delay0(); sda=1; delay0(); } unsigned char read_byte() { unsigned char i,k; scl=0; delay0(); sda=1; delay0(); for(i=0;i<8;i++) { scl=1; delay0(); k=(k<<1)|sda; scl=0; delay0(); } return k; } void write_add(unsigned char address,unsigned char date) { start(); write_byte(0xa0); respons(); write_byte(address); respons(); write_byte(date); respons(); stop(); } char read_add(unsigned char address) { unsigned char date; start(); write_byte(0xa0); respons(); write_byte(address); respons(); start(); write_byte(0xa1); respons(); date=read_byte(); stop(); return date; } void delay(int z) { int i,j; for(i=z;i>0;i--) for(j=110;j>0;j--); } void write_com(uchar com) { ls=0; P0=com; delay(5); ln=1; delay(5); ln=0; } void write_data(uchar date) { ls=1; P0=date; delay(5); ln=1; delay(5); ln=0; } void displaytime(uchar add,uchar date) { uchar shi,ge; shi=date/10; ge=date%10; write_com(0x80+0x40+add); write_data(table[shi]); write_data(table[ge]); } void displaydate(uchar add,uchar date) { uchar shi,ge; shi=date/10; ge=date%10; write_com(0x80+add); write_data(table[shi]); write_data(table[ge]); } void displayyear(date) { uchar qian,bai,shi,ge; qian=date/1000; bai=date%1000/100; shi=date%100/10; ge=date%10; write_com(0x80+0x01); write_data(table[qian]); write_data(table[bai]); write_data(table[shi]); write_data(table[ge]); } void displayweek(date) { write_com(0x80+0x0d); for(i=0;i<3;i++) { write_data(table3[(date-1)*3+i]); } } void init() { TMOD=0x01; TH0=(65536-5000)/256; TL0=(65536-5000)%256; EA=1; //开总中断 ln=0; write_com(0x38); write_com(0x0c); write_com(0x06); write_com(0x01); hour=read_add(1); min=read_add(2); sec=read_add(3); year=read_add(4)+2010; month=read_add(5); day=read_add(6); week=read_add(7); displayyear(year); write_data(table1[2]); displaydate(6,month); write_data(table1[2]); displayweek(week); displaydate(9,day); displaytime(4,hour); write_data(table1[0]); displaytime(7,min); write_data(table1[0]); displaytime(10,sec); } void init2() { TMOD=0x10; ET1=1; TR1=0; //定时器1关闭 TH1=(65536-10000)/256; TL1=(65536-10000)%256; write_com(0x38); write_com(0x0c); write_com(0x06); write_com(0x01); secp=0; write_com(0x80+0x40+0x03); //显示number for(i=0;i<6;i++) write_data(table2[i]); displaydate(4,min2); write_com(0x80+0x06); write_data(table1[0]); displaydate(7,sec2); write_com(0x80+0x09); write_data(table1[1]); displaydate(10,secp); displaydate(0x40+0x0a,num); } void display2() { displaydate(10,secp); displaydate(0x40+0x0a,num); displaydate(7,sec2); displaydate(4,min2); } void clear() { min2=0;sec2=0;num=0;secp=0; for(i=0;i<max;i++) { mins[i]=0;secs[i]=0;secps[i]=0; } max=0;ET1=0; } void keyscan() { if(k1==0&&flag2!=0) { delay(5); if(k1==0&&flag2!=0) { flag=0; delay(5); flag2=0; ET1=0; init(); TR0=0;TR0=1; ET0=1; write_com(0x0c); clear(); } while(k1==0); } if(k1==0) { delay(5); if(k1==0) { flag++; if(flag==1) { ET0=0; delay(5); init2(); } switch(flag) { case 2 : ET1=0; init(); TR0=0; write_com(0x80+0x40+0x04); write_com(0x0f); break; case 3 : write_com(0x80+0x40+0x07); break; case 4 : write_com(0x80+0x40+0x0a); break; case 5 : write_com(0x80+0x01); break; case 6 : write_com(0x80+0x06); break; case 7 : write_com(0x80+0x09); break; case 8 : write_com(0x80+0x0d); break; case 9 : flag=0; TR0=1; ET0=1; write_com(0x0c); clear(); break; } } while(k1==0); } if(k2==0) { delay(5); if(k2==0) { if(flag==1) { if(ET1==0) { min2=0;sec2=0;num=0;secp=0; for(i=0;i<max;i++) { mins[i]=0;secs[i]=0;secps[i]=0; } max=0;ET1=1; while(k2==1); } if(TR1==1) { num++; mins[num]=min2; secs[num]=sec2; secps[num]=secp; TR1=0; ET1=0; max=num; while(k2==1); } } switch(flag) { case 2 : if(hour<23) hour++; else hour=0; write_add(1,hour); displaytime(4,hour); write_com(0x80+0x40+0x04); break; case 3 : if(min<59) min++; else min=0; write_add(2,min); displaytime(7,min); write_com(0x80+0x40+0x07); break; case 4 : if(sec<59) sec++; else sec=0; write_add(3,sec); displaytime(10,sec); write_com(0x80+0x40+0x0a); break; case 5 : year++; write_add(4,year-2010); displayyear(year); write_com(0x80+0x01); break; case 6 : if(month<12) month++; else month=1; write_add(5,month); displaydate(6,month);write_com(0x80+0x06); break; case 7 : if(day<31) day++; else day=1; write_add(6,day); displaydate(9,day); write_com(0x80+0x09); break; case 8 : if(week<7) week++; else week=1; write_add(7,week); displayweek(week); write_com(0x80+0x0d); break; } } while(k2==0); } if(k3==0) { delay(5); if(k3==0) { if(flag==1) { if(ET1==1&&TR1==1) { num++; flag2++; mins[num]=min2; secs[num]=sec2; secps[num]=secp; while(k3==0) display2(); } if(ET1==1&&TR1==0) { TR1=1; flag2++; } if(ET1==0) { if(num>1) num--; min2=mins[num]; sec2=secs[num]; secp=secps[num]; } } switch(flag) { case 2 : if(hour>0) hour--; else hour=23; write_add(1,hour); displaytime(4,hour); write_com(0x80+0x40+0x04); break; case 3 : if(min>0) min--; else min=59; write_add(2,min); displaytime(7,min); write_com(0x80+0x40+0x07); break; case 4 : if(sec>0) sec--; else sec=59; write_add(3,sec); displaytime(10,sec); write_com(0x80+0x40+0x0a); break; case 5 : year--; write_add(4,year-2010); displayyear(year); write_com(0x80+0x01); break; case 6 : if(month>1) month--; else month=12; write_add(5,month); displaydate(6,month); write_com(0x80+0x06); break; case 7 : if(day>1) day--; else day=31; write_add(6,day); displaydate(9,day); write_com(0x80+0x09); break; case 8 : if(week>1) week--; else week=7; write_add(7,week); displayweek(week); write_com(0x80+0x0d); break; } } while(k3==0); } if(k4==0) { delay(5); if(k4==0&&ET1==0) { if(num<max) num++; min2=mins[num]; sec2=secs[num]; secp=secps[num]; } } while(k4==0); } void main() { init(); init_24c02(); ET0=1; //计时器0开启 TR0=1; //计时器打开 while(1) { keyscan(); if(flag==1) { display2(); } } } void timer0() interrupt 1 { TH0=(65536-5000)/256; TL0=(65536-5000)%256; aa++; if(aa==200) { aa=0; sec++; if(sec==6