出租车计价器程序
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#include
#define uchar unsigned char
sbit P3_4=P3^4;
//code uchar tab[10]={0x40,0x79,0x24,0x30,0x19,0x12,0x02,0x78,0x00,0x10,}; //code uchar tab[10]={0x3f,0x06,0x5b,0x4f,0x66,0x6d,0x7d,0x07,0x7f,0x6f,}; code uchar tab[10]={0xbf,0x86,0xdb,0xcf,0x66,0xed,0xfd,0x87,0xff,0xef,}; uchar sz[4];
int qw,bw,sw,gw,a,b,c;
void disp(void)
{
for(c=3;c>=0;c--)
{
SBUF=tab[sz[c]];
while(!TI);
TI=0;
}
}
void scjs(void)interrupt 3
{
TH1=0X3C;
TL1=0xB0;
a=a+1;
if(a==2)
{
a=0;
P3_4=!P3_4;
if(P3_4==0)
{
b=TH0*256+TL0;
///yw=sz[0]=b/100000;
//ww=sz[0]=b/10000%10;
qw=sz[0]=b/1000%10;
bw=sz[1]=b/100%10;
sw=sz[2]=b/10%10;
gw=sz[3]=b%10;
disp();
}
}
}
main()
{
IE=0X88;
TH1=0X3C;
TL1=0XB0;
TR0=1;
TR1=1;
a=0;
while(1);
}
2
#include
#define uchar unsigned char
sbit P3_4=P3^4;
//code uchar tab[10]={0x40,0x79,0x24,0x30,0x19,0x12,0x02,0x78,0x00,0x10,}; //code uchar tab[10]={0x3f,0x06,0x5b,0x4f,0x66,0x6d,0x7d,0x07,0x7f,0x6f,}; code uchar tab[10]={0xbf,0x06,0xdb,0xcf,0x66,0xed,0xfd,0x87,0xff,0xef,}; uchar sz[6];
int yw,ww,qw,bw,sw,gw,a,b,c,d,e,f;
void disp(void)
{
for(c=5;c>=0;c--)
{
SBUF=tab[sz[c]];
while(!TI);
TI=0;
}
}
void scjs(void)interrupt 3
{
TH1=0X3C;
TL1=0xB0;
a=a+1;
if(a==2)
{
a=0;
P3_4=!P3_4;
if(P3_4==0)
{
b=TH0*256+TL0;
d=34;
e=6;
f=7;
qw=sz[0]=b/100000;
bw=sz[1]=b/10000%10;
sw=sz[2]=b/1000%10;
gw=sz[3]=b/100%10;
yw=sz[4]=b/10%10;
ww=sz[5]=b%10;
disp();
}
}
}
main()
{
TMOD=0x15;
IE=0X88;
TH1=0X3C;
TL1=0XB0;
TR0=1;
TR1=1;
a=0;
while(1);
}
3
#include
#define uchar unsigned char
sbit P3_4=P3^4;
sbit jia=P2^0;
sbit jian=P2^1;
sbit gl=P2^2;
sbit hp=P2^3;
unsigned char keycnt=0;
//code uchar tab[10]={0x40,0x79,0x24,0x30,0x19,0x12,0x02,0x78,0x00,0x10,}; //code uchar tab[10]={0x3f,0x06,0x5b,0x4f,0x66,0x6d,0x7d,0x07,0x7f,0x6f,}; code uchar tab[10]={0xbf,0x06,0xdb,0xcf,0x66,0xed,0xfd,0x87,0xff,0xef,}; uchar sz[6];
int yw,ww,qw,bw,sw,gw,a,b,c,d,e,f;
d=46; //单价
e=00; //公里数
f=00;
//jiage=d*e; //金额
void disp(void)
{
for(c=5;c>=0;c--)
{
SBUF=tab[sz[c]];
while(!TI);
TI=0;
}
}
void KEY() //按键扫描程序{
unsigned char i,j;
if(hp==0)
{
for(i=20;i>0;i--) //延时去干扰for(j=248;j>0;j--);
if(hp==0)
{
keycnt++;
switch(keycnt) //按下次数判断{
case 1: //第一次按下
d=40;
break;
case 2: //第二次按下
d=50;
break;
case 3: //第三次按下
d=60;
keycnt=0; //重新开始判断键值
break;
}
while(hp==0);
}