基于单片机的语言
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共2个回答
热心网友
#include<reg51.h>
#define uchar unsigned char
uchar code ledtab[]={0x3f,0x06,0x5b,0x4f,0x66,0x6d,0x7d,0x07,0x7f,0x6f};//0-9
unsigned char sec=0,min=0,scanled;
unsigned char key,flashbit,mode,time;
unsigned char disdat[4];
sbit led=P1^0;
void dischg()
{
disdat[0]=sec%10;
disdat[1]=sec/10;
disdat[2]=min%10;
disdat[3]=min/10;
}
void t0isr() interrupt 1//秒计时
{
TH0=0x3c;
TL0=0xb0;
time++;
if(time==20)
{
time=0;
sec++;
if(sec>59)
{
sec=0;
min++;
if(min>59)min=0;
}
}
dischg();
}
void t1isr() interrupt 3//显示
{
TH1=0xec;
TL1=0x78;
switch(scanled)
{
case 0:
P3=0x04;
P2=~ledtab[disdat[3]];
break;
case 1:
P3=0x08;
P2=~ledtab[disdat[2]];
break;
case 2:
P3=0x10;
P2=~ledtab[disdat[1]];
break;
case 3:
P3=0x20;
P2=~ledtab[disdat[0]];
break;
default:break;
}
scanled++;
scanled%=4;
}
main()
{
TMOD=0x11;
TH0=0x3c;
TL0=0xb0;
TH1=0xec;
TL1=0x78;
TR1=1;
TR0=1;
ET0=1;
ET1=1;
EA=1;
sec=0;
min=0;
scanled=0;
time=0;
dischg();
while(1);
}
热心网友
参考一下这个仿真实例。
追问那里？追答时钟秒表.rar点击下载 解压缩 仿真
热心网友
#include<reg51.h>
#define uchar unsigned char
uchar code ledtab[]={0x3f,0x06,0x5b,0x4f,0x66,0x6d,0x7d,0x07,0x7f,0x6f};//0-9
unsigned char sec=0,min=0,scanled;
unsigned char key,flashbit,mode,time;
unsigned char disdat[4];
sbit led=P1^0;
void dischg()
{
disdat[0]=sec%10;
disdat[1]=sec/10;
disdat[2]=min%10;
disdat[3]=min/10;
}
void t0isr() interrupt 1//秒计时
{
TH0=0x3c;
TL0=0xb0;
time++;
if(time==20)
{
time=0;
sec++;
if(sec>59)
{
sec=0;
min++;
if(min>59)min=0;
}
}
dischg();
}
void t1isr() interrupt 3//显示
{
TH1=0xec;
TL1=0x78;
switch(scanled)
{
case 0:
P3=0x04;
P2=~ledtab[disdat[3]];
break;
case 1:
P3=0x08;
P2=~ledtab[disdat[2]];
break;
case 2:
P3=0x10;
P2=~ledtab[disdat[1]];
break;
case 3:
P3=0x20;
P2=~ledtab[disdat[0]];
break;
default:break;
}
scanled++;
scanled%=4;
}
main()
{
TMOD=0x11;
TH0=0x3c;
TL0=0xb0;
TH1=0xec;
TL1=0x78;
TR1=1;
TR0=1;
ET0=1;
ET1=1;
EA=1;
sec=0;
min=0;
scanled=0;
time=0;
dischg();
while(1);
}
热心网友
参考一下这个仿真实例。
追问那里？追答时钟秒表.rar点击下载 解压缩 仿真
