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元件清单 元件名称 单位（只） 型号 参数 备注 单片机 2 AT89S52 整流二极管 20 IN4007 电容 10 30P 电容 10 104 电解电容 8 100UF/50V 电解电容 2 220UF/50V 电解电容 10 10UF/25 微动开关（按钮） 12 74ls164 8 自锁开关 2 （白色，六脚的） 排针 2 排 晶振 2 11.0592M 精调电阻 5 103 3296W 10K 排线 1 米 20p 稳压管 2 LM7805 稳压管 2 LM7812 焊锡丝 若干 散热片 3 YB-20 三极管 20 个 2TY 贴片（ PNP） 万能板 3 块 掉电保护 2 24c02 L298N 2 七段数码管 8 LG5011BSR 光耦 2 TP521-4 接线端子 8 个 2P 管座 5 40P 管座 5 16P 热缩管 1 米 直径 1.5mm 铜柱 8 长 20mm 直流电机 1 电源线 1 变压器 1 深度传感器 3 MOCH26A 驱动 1 L297 和 L292 nts初步程序： #include #define uchar unsigned char sbit P3_4=P34; /code uchar tab10=0x40,0x79,0x24,0x30,0x19,0x12,0x02,0x78,0x00,0x10,; /code uchar tab10=0x3f,0x06,0x5b,0x4f,0x66,0x6d,0x7d,0x07,0x7f,0x6f,; code uchar tab10=0xbf,0x86,0xdb,0xcf,0x66,0xed,0xfd,0x87,0xff,0xef,; uchar sz4; int qw,bw,sw,gw,a,b,c; void disp(void) for(c=3;c=0;c-) SBUF=tabszc; 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=sz0=b/100000; /ww=sz0=b/10000%10; qw=sz0=b/1000%10; bw=sz1=b/100%10; sw=sz2=b/10%10; gw=sz3=b%10; disp(); main() ntsTMOD=0x15; IE=0X88; TH1=0X3C; TL1=0XB0; TR0=1; TR1=1; a=0; while(1); 2 #include #define uchar unsigned char sbit P3_4=P34; /code uchar tab10=0x40,0x79,0x24,0x30,0x19,0x12,0x02,0x78,0x00,0x10,; /code uchar tab10=0x3f,0x06,0x5b,0x4f,0x66,0x6d,0x7d,0x07,0x7f,0x6f,; code uchar tab10=0xbf,0x06,0xdb,0xcf,0x66,0xed,0xfd,0x87,0xff,0xef,; uchar sz6; int yw,ww,qw,bw,sw,gw,a,b,c,d,e,f; void disp(void) for(c=5;c=0;c-) SBUF=tabszc; 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; ntsd=34; e=6; f=7; qw=sz0=b/100000; bw=sz1=b/10000%10; sw=sz2=b/1000%10; gw=sz3=b/100%10; yw=sz4=b/10%10; ww=sz5=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=P34; sbit jia=P20; sbit jian=P21; sbit gl=P22; sbit hp=P23; unsigned char keycnt=0; /code uchar tab10=0x40,0x79,0x24,0x30,0x19,0x12,0x02,0x78,0x00,0x10,; /code uchar tab10=0x3f,0x06,0x5b,0x4f,0x66,0x6d,0x7d,0x07,0x7f,0x6f,; code uchar tab10=0xbf,0x06,0xdb,0xcf,0x66,0xed,0xfd,0x87,0xff,0xef,; uchar sz6; int yw,ww,qw,bw,sw,gw,a,b,c,d,e,f; nts 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=tabszc; while(!TI); TI=0; void KEY() /按键扫描程序 unsigned char i,j; if(hp=0) for(i=20;i0;i-) /延时去干扰 for(j=248;j0;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); nts 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; f=e*d/10; qw=sz0=d/10%10; bw=sz1=d%10; sw=sz2=e/10%10; gw=sz3=e%10; yw=sz4=f/10%10; ww=sz5=f%10; if(jia=0) d+; if(jian=0) d-; if(gl=0) e=5; disp(); KEY(); main() void KEY(); TMOD=0x15; IE=0X88; ntsTH1=0X3C; TL1=0XB0; TR0=1; TR1=1; a=0; while(1); 4 #include #define uchar unsigned char sbit P3_4=P34; sbit jia=P20; sbit jian=P21; sbit gl=P22; sbit hp=P23; sbit j=P24; unsigned char keycnt=0; unsigned char cnt=0; /code uchar tab10=0x40,0x79,0x24,0x30,0x19,0x12,0x02,0x78,0x00,0x10,; /code uchar tab10=0x3f,0x06,0x5b,0x4f,0x66,0x6d,0x7d,0x07,0x7f,0x6f,; code uchar tab10=0xbf,0x06,0xdb,0xcf,0x66,0xed,0xfd,0x87,0xff,0xef,; uchar sz6; int yw,ww,qw,bw,sw,gw,a,b,c,d,e,f,g; d=46; /单价 e=00; /公里数 f=00; /jiage=d*e; /金额 void jishuqi() if(j=0) cnt+; if(cnt=100) e+; ntscnt=0; void disp(void) for(c=5;c=0;c-) SBUF=tabszc; while(!TI); TI=0; void KEY() /按键扫描程序 unsigned char i,j; if(hp=0) for(i=20;i0;i-) /延时去干扰 for(j=248;j0;j-); if(hp=0) keycnt+; switch(keycnt) /按下次数判断 case 1: /第一次按下 d=46; break; case 2: /第二次按下 d=12; break; case 3: /第三次按下 d=78; keycnt=0; /重新开始判断键值 break; while(hp=0); ntsvoid 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; if(e3) f=g; else f=5; /g=e*d/10; /f=e*d/10+5; qw=sz0=d/10%10; bw=sz1=d%10; sw=sz2=e/10%10; gw=sz3=e%10; yw=sz4=f/10%10; ww=sz5=f%10; if(jia=0) d+; if(jian=0) d-; if(gl=0) e=5; disp(); KEY(); jishuqi(); main() void KEY(); TMOD=0x15; ntsIE=0X88; TH1=0X3C; TL1=0XB0; TR0=1; TR1=1; a=0; while(1); 5 #include #define uchar unsigned char sbit P3_4=P34; sbit jia=P20;/价格加 sbit jian=P21;/价格减 sbit gl=P22; /公里 sbit hp=P23; /换屏 sbit j=P24;/记数 unsigned char keycnt=0; unsigned char cnt=0; /code uchar tab10=0x40,0x79,0x24,0x30,0x19,0x12,0x02,0x78,0x00,0x10,; /code uchar tab10=0x3f,0x06,0x5b,0x4f,0x66,0x6d,0x7d,0x07,0x7f,0x6f,; code uchar tab10=0xbf,0x06,0xdb,0xcf,0x66,0xed,0xfd,0x87,0xff,0xef,; uchar sz6; int yw,ww,qw,bw,sw,gw,a,b,c,d,e,f,g; d=46; /单价 e=03; /公里数 f=05; /jiage=d*e; /金额 /*void jishuqi() if(j=0) cnt+; ntsif(cnt=100) e+; cnt=0; */ /* void disp(void) for(c=5;c=0;c-) SBUF=tabszc; while(!TI); TI=0; void KEY() /按键扫描程序 unsigned char i,j; if(hp=0) for(i=20;i0;i-) /延时去干扰 for(j=248;j0;j-); if(hp=0) keycnt+; switch(keycnt) /按下次数判断 case 1: /第一次按下 d=46; break; case 2: /第二次按下 d=12; break; case 3: /第三次按下 d=78; keycnt=0; /重新开始判断键值 break; while(hp=0); nts void led(void) qw=sz0=d/10%10; bw=sz1=d%10; sw=sz2=e/10%10; gw=sz3=e%10; yw=sz4=f/10%10; ww=sz5=f%10; 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; /f=5; if(jia=0) d+; if(jian=0) d-; if(gl=0) e+; if(e3) g=e*d/10; f=g; /f=e*d/10+5; nts led(); disp(); KEY(); jishuqi(); main() void KEY(); TMOD=0x15; IE=0X88; TH1=0X3C; TL1=0XB0; TR0=1; TR1=1; a=0; while(1); 6 #include #define uchar unsigned char sbit P3_4=P34; sbit jia=P20;/价格加 sbit jian=P21;/价格减 sbit gl=P22; /公里 sbit hp=P23; /换屏 sbit j=P24;/记数 unsigned char keycnt=0; ntsunsigned char cnt=0; /code uchar tab10=0x40,0x79,0x24,0x30,0x19,0x12,0x02,0x78,0x00,0x10,; /code uchar tab10=0x3f,0x06,0x5b,0x4f,0x66,0x6d,0x7d,0x07,0x7f,0x6f,; code uchar tab10=0xbf,0x06,0xdb,0xcf,0x66,0xed,0xfd,0x87,0xff,0xef,; uchar sz6; int yw,ww,qw,bw,sw,gw,a,b,c,d,e,f,g; d=46; /单价 e=03; /公里数 f=05; /jiage=d*e; /金额 void jishuqi() if(j=0) cnt+; switch(cnt) case 10: e+; cnt=0; break; while(hp=0); void disp(void) for(c=5;c=0;c-) SBUF=tabszc; while(!TI); TI=0; void KEY() /按键扫描程序 unsigned char i,j; if(hp=0) ntsfor(i=20;i0;i-) /延时去干扰 for(j=248;j0;j-); if(hp=0) keycnt+; switch(keycnt) /按下次 数判断 case 1: /第一次按下 d=46; break; case 2: /第二次按下 d=12; break; case 3: /第三次按下 d=78; keycnt=0; /重新开始判断键值 break; while(hp=0); void led(void) qw=sz0=d/10%10; bw=sz1=d%10; sw=sz2=e/10%10; gw=sz3=e%10; yw=sz4=f/10%10; ww=sz5=f%10; void scjs(void)interrupt 3 TH1=0X3C; TL1=0xB0; a=a+1; ntsif(a=2) a=0; P3_4=!P3_4; if(P3_4=0) /b=TH0*256+TL0; /f=5; if(jia=0) d+; if(jian=0) d-; if(gl=0) e+; if(e3) g=e*d/10; f=g; led(); disp(); KEY(); jishuqi(); main() void KEY(); TMOD=0x15; IE=0X88; TH1=0X3C; TL1=0XB0; TR0=1; ntsTR1=1; a=0; while(1); 7 #include #define uchar unsigned char sbit P3_4=P34; sbit jia=P20;/价格加 sbit jian=P21;/价格减 sbit gl=P22; /公里 sbit hp=P23; /换屏 sbit j=P24;/记数 unsigned char keycnt=0; unsigned char cnt=0; /code uchar tab10=0x40,0x79,0x24,0x30,0x19,0x12,0x02,0x78,0x00,0x10,; /code uchar tab10=0x3f,0x06,0x5b,0x4f,0x66,0x6d,0x7d,0x07,0x7f,0x6f,; code uchar tab10=0xbf,0x06,0xdb,0xcf,0x66,0xed,0xfd,0x87,0xff,0xef,; uchar sz6; int yw,ww,qw,bw,sw,gw,a,b,c,d,e,f,g,u,v,w,z; d=46; /单价 e=03; /公里数 f=05; u=12;/时 v=00;/分 w=00;/秒 /jiage=d*e; /金额 void jishuqi() ntsif(j=0) cnt+; switch(cnt) case 10: e+; cnt=0; break; while(hp=0); void disp(void) for(c=5;c=0;c-) SBUF=tabszc; while(!TI); TI=0; void KEY() /按键扫描程序 unsigned char i,j; if(hp=0) for(i=20;i0;i-) /延时去干扰 for(j=248;j0;j-); if(hp=0) keycnt+; switch(keycnt) /按下次数判断 case 1: /第一次按下 d=46; break; case 2: /第二次按下 d=12; break; nts case 3: /第三次按下 d=78; keycnt=0; /重新开始判断键值 break; while(hp=0); void led(void) /显示时间 z=TH0*256+TL0; if(z3) w+;z=0; if(w59) v+;w=0; if(v59) u+;v=0; if(u23) u=0; qw=sz0=u/10%10; bw=sz1=u%10; sw=sz2=v/10%10; gw=sz3=v%10; yw=sz4=w/10%10; ww=sz5=w%10; void led1(void) /显示 价格 里程 金额 ntsqw=sz0=d/10%10; bw=sz1=d%10; sw=sz2=e/10%10; gw=sz3=e%10; yw=sz4=f/10%10; ww=sz5=f%10; void scjs(void)interrupt 3 TH1=0X3C; TL1=0xB0; a=a+1; if(a=3) a=0; P3_4=!P3_4; if(P3_4=0) /b=TH0*256+TL0; /f=5; if(jia=0) d+; if(jian=0) d-; if(gl=0) e+; if(e3) g=e*d/10; f=g; led(); disp(); KEY(); jishuqi(); nts main() void KEY(); TMOD=0x15; IE=0X88; TH1=0X3C; TL1=0XB0; TR0=1; TR1=1; a=0; while(1); 8 #include #define uchar unsigned char sbit P3_4=P34; sbit jia=P20;/价格加 sbit jian=P21;/价格减 sbit gl=P22; /公里 sbit hp=P23; /换屏 sbit j=P24;/记数 unsigned char keycnt=0; unsigned char cnt=0; /code uchar tab10=0x40,0x79,0x24,0x30,0x19,0x12,0x02,0x78,0x00,0x10,; /code uchar tab10=0x3f,0x06,0x5b,0x4f,0x66,0x6d,0x7d,0x07,0x7f,0x6f,; code uchar tab10=0xbf,0x06,0xdb,0xcf,0x66,0xed,0xfd,0x87,0xff,0xef,; uchar sz6; int yw,ww,qw,bw,sw,gw,a,b,c,d,e,f,g,u,v,w,z; nts d=46; /单价 e=03; /公里数 f=05; u=12;/时 v=00;/分 w=00;/秒 /jiage=d*e; /金额 void jishuqi() if(j=0) cnt+; switch(cnt) case 10: e+; cnt=0; break; while(hp=0); void disp(void) for(c=5;c=0;c-) SBUF=tabszc; while(!TI); TI=0; void KEY() /按键扫描程序 unsigned char i,j; if(jian=0) for(i=20;i0;i-) /延时去干扰 for(j=248;j0;j-); if(hp=0) nts keycnt+; switch(keycnt) /按下次数判断 case 1: /第一次按下 d=46; break; case 2: /第二次按下 d=12; break; case 3: /第三次按下 d=78; keycnt=0; /重新开始判断键值 break; while(hp=0); void shizhong(void) z=TH0*256+TL0; if(z1) w+;z=0; if(w59) v+;w=0; if(v59) u+;v=0; if(u23) ntsu=0; void led(void) /显示时间 if(jian=0) u+; if(gl=0) v+; if(hp=0) w+; qw=sz0=u/10%10; bw=sz1=u%10; sw=sz2=v/10%10; gw=sz3=v%10; yw=sz4=w/10%10; ww=sz5=w%10; void led1(void) /显示 价格 里程 金额 KEY(); qw=sz0=d/10%10; bw=sz1=d%10; sw=sz2=e/10%10; gw=sz3=e%10; yw=sz4=f/10%10; ww=sz5=f%10; void scjs(void)interrupt 3 TH1=0X3C; TL1=0xB0; a=a+1; if(a=12) nts a=0; P3_4=!P3_4; if(P3_4=0) /b=TH0*256+TL0; /f=5; /* if(jia=0) d+; if(jian=0) d-; if(gl=0) e+; */ if(e3) g=e*d/10; f=g; shizhong(); if(jia=0) led(); else led1(); disp(); jishuqi(); main() void KEY(); TMOD=0x15; IE=0X88; TH1=0X3C; ntsTL1=0XB0; TR0=1; TR1=1; a=0; while(1); 9最终程序 #include #include #include #define uchar unsigned char sbit P3_4=P34; sbit jia=P20;/价格加 sbit jian=P21;/价格减 sbit gl=P22; /公里 sbit hp=P23; /换屏 sbit j=P24;/记数 unsigned char keycnt=0; unsigned char cnt=0; bit write=0; /写 24C08 的标志； /code uchar tab10=0x40,0x79,0x24,0x30,0x19,0x12,0x02,0x78,0x00,0x10,; /code uchar tab10=0x3f,0x06,0x5b,0x4f,0x66,0x6d,0x7d,0x07,0x7f,0x6f,; code uchar tab10=0xbf,0x06,0xdb,0xcf,0x66,0xed,0xfd,0x87,0xff,0xef,; uchar sz6; int yw,ww,qw,bw,sw,gw,a,b,c,d,e,f,g,u,v,w,z; d=46; /单价 e=00; /公里数 f=05; ntsu=12;/时 v=00;/分 w=00;/秒 /jiage=d*e; /金额 /24C08 读写驱动程序 / sbit scl=P34; / 24c08 SCL sbit sda=P35; / 24c08 SDA void delay1(unsigned char x) unsigned int i; for(i=0;i=0;c-) SBUF=tabszc; while(!TI); TI=0; /*void KEY() /按键扫描程序 unsigned char i,j; if(jian=0) for(i=20;i0;i-) /延时去干扰 for(j=248;j0;j-); if(hp=0) keycnt+; switch(keycnt) /按下次数判断 case 1: /第一次按下 d=46; break; case 2: /第二次按下 d=12; break; case 3: /第三次按下 d=78; keycnt=0; /重新开始判断键值 break; nts while(hp=0); */ void shizhong(void) z=TH0*256+TL0; if(z1) w+;z=0; if(w59) v+;w=0; if(v59) u+;v=0; if(u23) u=0; void led(void) /显示时间 if(jian=0) u+; if(gl=0) v+; if(hp=0) w+; nts qw=sz0=u/10%10; bw=sz1=u%10; sw=sz2=v/10%10; gw=sz3=v%10; yw=sz4=w/10%10; ww=sz5=w%10; void led1(void) /显示 价格 里程 金额 /KEY(); if(jian=0) d=46; if(gl=0) d=78; if(hp=0) e=0; 3.- f=0; qw=sz0=d/10%10; bw=sz1=d%10; sw=sz2=e/10%10; gw=sz3=e%10; yw=sz4=f/10%10; ww=sz5=f%10; jishuqi(); x24c08_write(2,e); void scjs(void)interrupt 3 TH1=0X3C; TL1=0xB0; nts a=a+1; if(a=12) a=0; P3_4=!P3_4; if(P3_4=0) /b=TH0*256+TL0; /f=5; /* if(jia=0) d+; if(jian=0) d-; if(gl=0) e+; */ if(e3) g=e*d/10; f=g; shizhong(); if(jia=0) led(); else led1(); disp(); jishuqi(); main() ntsx24c08_init(); /初始化 24C08 e=x24c08_read(2);/读出保存的数据赋于 /void KEY(); TMOD=0x15; IE=0X88; TH1=0X3C; TL1=0XB0; TR0=1; TR1=1; a=0; while(1); nts#include#include #include #define uchar unsigned charsbit P3_4=P34;sbit jia=P20;/价格加sbit jian=P21;/价格减sbit gl=P22; /公里sbit hp=P23; /换屏sbit j=P24;/记数unsigned char keycnt=0;unsigned char cnt=0;bit write=0; /写24C08 的标志；/code uchar tab10=0x40,0x79,0x24,0x30,0x19,0x12,0x02,0x78,0x00,0x10,;/code uchar tab10=0x3f,0x06,0x5b,0x4f,0x66,0x6d,0x7d,0x07,0x7f,0x6f,;code uchar tab10=0xbf,0x06,0xdb,0xcf,0x66,0xed,0xfd,0x87,0xff,0xef,;uchar sz6;int yw,ww,qw,bw,sw,gw,a,b,c,d,e,f,g,u,v,w,z;d=46; /单价e=00; /公里数f=05;u=12;/时v=00;/分w=00;/秒/jiage=d*e; /金额/24C08 读写驱动程序/sbit scl=P34; / 24c08 SCLsbit sda=P35; / 24c08 SDAvoid delay1(unsigned char x) unsigned int i;for(i=0;i=0;c-)SBUF=tabszc;while(!TI);TI=0;/*void KEY() /按键扫描程序unsigned char i,j;if(jian=0)for(i=20;i0;i-) /延时去干扰for(j=248;j0;j-);if(hp=0)keycnt+;switch(keycnt) /按下次数判断case 1: /第一次按下d=46;break;case 2: /第二次按下d=12;break;case 3: /第三次按下d=78;keycnt=0; /重新开始判断键值break;while(hp=0); */ void shizhong(void)z=TH0*256+TL0;if(z1)w+;z=0;if(w59)v+;w=0;if(v59)u+;v=0;if(u23)ntsu=0; void led(void) /显示时间if(jian=0)u+;if(gl=0)v+;if(hp=0)w+;qw=sz0=u/10%10;bw=sz1=u%10;sw=sz2=v/10%10;gw=sz3=v%10;yw=sz4=w/10%10;ww=sz5=w%10;void led1(void) /显示 价格 里程 金额/KEY();if(jian=0)d=46;if(gl=0)d=78;if(hp=0)e=00;f=05;qw