#include <reg52.h>
#define uchar unsigned char
#define uint unsigned int
uint i,z,s,count,zhuan,msec;
uchar qian=5;
void counter(void) interrupt 0
{
EX1=0
count++
if(count==4
{count=0;
z++
}
EX1=1
} void Init_Timer0(void) interrupt 1
{
TMOD|=0x01
TH0=0x00;
TL0=0x00;
msec++;
if(msec==20)
{msec=0;
zhuan=z;
z=0;
s=zhuan*3.14;
qian=s*1.5;
}
}
/**********************初始化****************************/
void Initial_com(void)
{
z=0;
count=0;
zhuan=0;
TMOD=0x01; //计数器T1 定时器T0
TH0=0x00;
TL0=0x00;
EA=1;
ET0=1;
TR0=1; IT0=1;
EX0=1;
}void Test()
{ write_com(0x03);
delay(50);
write_com(0x80);
hzkdis("起步价:5元 客1 ");
write_com(0x90);
hzkdis("运行里程: ");
write_com(0x97);
hzkdis("km");
write_com(0x88);
hzkdis("单价:1.5元每公里");
write_com(0x98);
hzkdis("总额: ");
write_com(0x9F);
hzkdis("元");
write_com(0x95);
write_data(s/1000+0x30); //千位
write_data(s%1000/100+0x30);
write_data(s%100%10+0x30);
write_data(s%100/10+0x30);
write_com(0x9D);
write_data(qian/1000+0x30); //千位
write_data(qian%1000/100+0x30);
write_data(qian%100%10+0x30);
write_data(qian%100/10+0x30);
/* write_data(qian/100+0x30);
write_data(qian%100/10+0x30); */
// delay(10);
}
/*********************主程序*************************/
void jishu()
{Initial_com();
/*EA=1;
ET0=1;
TR0=1;
IT0=1;
EX0=1;*/
while(1)
{Test();}
}
/*****************************************************/
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