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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） 1274ls164 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 24c02L298N 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初步程序：#include#define uchar unsigned charsbit 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 3TH1=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()TMOD=0x15;IE=0X88;TH1=0X3C;TL1=0XB0;TR0=1;TR1=1;a=0;while(1);2#include#define uchar unsigned charsbit 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 3TH1=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=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 charsbit 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;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); void scjs(void)interrupt 3TH1=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;TH1=0X3C;TL1=0XB0;TR0=1;TR1=1;a=0;while(1);4#include#define uchar unsigned charsbit 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+;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); void scjs(void)interrupt 3TH1=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;IE=0X88;TH1=0X3C;TL1=0XB0;TR0=1;TR1=1;a=0;while(1);5#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;/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+;if(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); 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 3TH1=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;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 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;/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)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 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 3TH1=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;led();disp();KEY();jishuqi(); main()void KEY();TMOD=0x15;IE=0X88;TH1=0X3C;TL1=0XB0;TR0=1;TR1=1;a=0;while(1);7#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;/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()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)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 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 3TH1=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(); main()void KEY();TMOD=0x15;IE=0X88;TH1=0X3C;TL1=0XB0;TR0=1;TR1=1;a=0;while(1);8#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;/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()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)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)u=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 3TH1=0X3C;TL1=0xB0;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()void KEY();TMOD=0x15;IE=0X88;TH1=0X3C;TL1=0XB0;TR0=1;TR1=1;a=0;while(1);9 最终程序#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)u=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=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 3TH1=0X3C;TL1=0xB0;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()x24c08_init(); /初始化 24C08e=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);#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;