资源描述：
《出租车计价器程序.doc》由会员上传分享，免费在线阅读，更多相关内容在学术论文-天天文库。
1、初步程序：#include#defineucharunsignedcharsbitP3_4=P3^4;//codeuchartab[10]={0x40,0x79,0x24,0x30,0x19,0x12,0x02,0x78,0x00,0x10,};//codeuchartab[10]={0x3f,0x06,0x5b,0x4f,0x66,0x6d,0x7d,0x07,0x7f,0x6f,};codeuchartab[10]={0xbf,0x86,0xdb,0xcf,0x66,0xed,0xfd,
2、0x87,0xff,0xef,};ucharsz[4];intqw,bw,sw,gw,a,b,c;voiddisp(void){for(c=3;c>=0;c--){SBUF=tab[sz[c]];while(!TI);TI=0;}}voidscjs(void)interrupt3{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
3、;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(){TMOD=0x15;IE=0X88;TH1=0X3C;TL1=0XB0;TR0=1;TR1=1;a=0;while(1);}2#include#defineucharunsignedcharsbitP3_4=P3^4;//codeuchartab[10]={0x40,0x79,0x24,0x30,0x19,0x12,0x0
4、2,0x78,0x00,0x10,};//codeuchartab[10]={0x3f,0x06,0x5b,0x4f,0x66,0x6d,0x7d,0x07,0x7f,0x6f,};codeuchartab[10]={0xbf,0x06,0xdb,0xcf,0x66,0xed,0xfd,0x87,0xff,0xef,};ucharsz[6];intyw,ww,qw,bw,sw,gw,a,b,c,d,e,f;voiddisp(void){for(c=5;c>=0;c--){SBUF=tab[sz[c]];whi
5、le(!TI);TI=0;}}voidscjs(void)interrupt3{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=0x
6、15;IE=0X88;TH1=0X3C;TL1=0XB0;TR0=1;TR1=1;a=0;while(1);}3#include#defineucharunsignedcharsbitP3_4=P3^4;sbitjia=P2^0;sbitjian=P2^1;sbitgl=P2^2;sbithp=P2^3;unsignedcharkeycnt=0;//codeuchartab[10]={0x40,0x79,0x24,0x30,0x19,0x12,0x02,0x78,0x00,0x10,};//
7、codeuchartab[10]={0x3f,0x06,0x5b,0x4f,0x66,0x6d,0x7d,0x07,0x7f,0x6f,};codeuchartab[10]={0xbf,0x06,0xdb,0xcf,0x66,0xed,0xfd,0x87,0xff,0xef,};ucharsz[6];intyw,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voiddisp(void){for(c=5;c>=0;c--){
8、SBUF=tab[sz[c]];while(!TI);TI=0;}}voidKEY()//按键扫描程序{unsignedchari,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{case1://第一次按下d=40;break;case2://第二次按下d
