开关123控制数码管计时且1602显示开停清零单片机程序 -

#include<stdio.h> //sb1:run sb2:stop sb3:clear
#include<stc15f2k60s2.h>
#include<intrins.h>
#define LEDshu P0
#define LCD_1602 P2
#define uchar unsigned char
sbit cs1=P1^0;
sbit cs2=P1^1;
sbit wr=P1^2;
sbit RS=P1^3;
sbit RW=P1^4;
sbit E=P1^5;
sbit BF=P2^7;
sbit row0=P3^0; sbit row1=P3^1; sbit row2=P3^2; sbit row3=P3^3;
sbit col0=P3^4; sbit col1=P3^5; sbit col2=P3^6; sbit col3=P3^7;
unsigned char k=10;
unsigned char v;
int q;
void Delay1us();
void Delay1000ms();
void Write_Data(uchar dat);
void Write_Command(uchar com);
void Init1602();
void String1602(uchar *str);
void Adderss1602(uchar addr);
unsigned char keyscan();
unsigned char shu2();
/////////////////数码管///////////////////////
unsigned char shu1();
unsigned char L1[]={0xc0,0xf9,0xa4,0xb0,0x99,0x92,0x82,0xf8,0x80,0x90,0xff,0xbf};
unsigned char L2[12]={0,1,2,3,4,5,6,7,8,9,10,11};
unsigned char a;//1110 1111 0xef
unsigned char b;//1111 0111 0xf7
//1111 1011 0xfb
unsigned char c;//1111 1101 0xfd
unsigned char d;//1111 1110 0xfe
////////////////////////////////////////
unsigned char keyscan()
{
col0=col1=col2=col3=row0=row2=row3=1;
row0=0;
if(col0==0)k=0;
else if(col1==0)k=1;
else if(col2==0)k=2;
row0=1;
return k;
}
bit busy1602()
{
bit busy;
LCD_1602=0xff;
RS=0;
RW=1;
Delay1us();
E=1;
busy=BF;
E=0;
Delay1us();
return busy;
}
main()
{
P0M0=0xff;
P0M1=0X00;
TL0=(65536-50000)%0x100;
TH0=(65536-50000)/0x100;
TMOD=0x01; //T0方式1即16位定时
EA=1; //开总中断
ET0=1; //开T0中断
Init1602();
while(1)
{
RS=RW=E=1;
keyscan();
if(k==0){v=0;shu2();TR0=1;shu1();}
if(k==1){v=1;shu2();TR0=0;shu1();}
if(k==2){v=2;shu2();a=b=c=d=0;shu1();}
}
}
unsigned char shu2()
{
if(v==0){Adderss1602(0x00);String1602("------run------");}
if(v==1){ Adderss1602(0x00);String1602("------stop-----");}
if(v==2){ Adderss1602(0x00);String1602("-----clear-----");}
}
unsigned char shu1()
{
cs1=0;cs2=1;
LEDshu=L1[L2[a]];
wr=1;
wr=0;
cs1=1;
cs2=0;
LEDshu=0xef;
wr=1;
wr=0;
Delay1us();
cs1=cs2=0;
LEDshu=0xff;
wr=1;
wr=0;
///////////////////////////////////
cs1=0;cs2=1;
LEDshu=L1[L2[b]];
wr=1;
wr=0;
cs1=1;
cs2=0;
LEDshu=0xf7;
wr=1;
wr=0;
Delay1us();
cs1=cs2=0;
LEDshu=0xff;
wr=1;
wr=0;
//////////////////////////////////////////
cs1=0;cs2=1;
LEDshu=L1[L2[11]];
wr=1;
wr=0;
cs1=1;
cs2=0;
LEDshu=0xfb;
wr=1;
wr=0;
Delay1us();
cs1=cs2=0;
LEDshu=0xff;
wr=1;
wr=0;
///////////////////////////////////////////////
cs1=0;cs2=1;
LEDshu=L1[L2[c]];
wr=1;
wr=0;
cs1=1;
cs2=0;
LEDshu=0xfd;
wr=1;
wr=0;
Delay1us();
cs1=cs2=0;
LEDshu=0xff;
wr=1;
wr=0;
//////////////////////////////////////////
cs1=0;cs2=1;
LEDshu=L1[L2[d]];
wr=1;
wr=0;
cs1=1;
cs2=0;
LEDshu=0xfe;
wr=1;
wr=0;
Delay1us();
cs1=cs2=0;
LEDshu=0xff;
wr=1;
wr=0;
}
//////////////////////////////////
void Write_Data(uchar dat)
{
while(busy1602()==1);
RS=1;RW=0;
Delay1us();
E=1;
LCD_1602=dat;
Delay1us();
E=0;
}
void Write_Command(uchar com)
{
while(busy1602()==1);
RS=0;RW=0;
Delay1us();
E=1;
LCD_1602=com;
Delay1us();
E=0;
}
void Init1602()
{
Write_Command(0x38);
Write_Command(0x0f);
Write_Command(0x06);
Write_Command(0x01);
}
void String1602(uchar *str)
{
while(*str != '\0')
{
Write_Data(*str++);
}
}
void Adderss1602(uchar addr)
{
Write_Command(addr | 0x80);
}
/////////////////////////////////////////
void Delay1us() //@11.0592MHz
{
_nop_();
_nop_();
_nop_();
}
void Delay1000ms() //@11.0592MHz
{
unsigned char i, j, h;
_nop_();
_nop_();
i = 43;
j = 6;
h = 203;
do
{
do
{
while (--h);
} while (--j);
} while (--i);
}
time0() interrupt 1
{
{
TL0=(65536-50000)%0x100;
TH0=(65536-50000)/0x100;//50ms
q++;
if(q>=20)
{
q=0;//1s
////////////////////////////////
if(d<10)
{
d++;
if(d>=10&&c<6)
{
d=0;c++;
if(c>=6&&b<10)
{
c=0;b++;
if(b>=10&&a<6)
{
b=0;a++;
if(a>=6)
{
a=0;
}
}
}
}
}
///////////////////////////////////////
}
}
}

复制代码