简易收银台的销售和存储设计

1、#define uchar unsigned charvoid store()while(keyval!=b) /按b键退出存储画面 bit k; uchar temp_position,j; uchar in_isbn13,write_name8,write_price7,write_num4; uchar read_isbn13; for(j=0;j13;j+) in_isbnj=0x20; for(j=0;j8;j+) write_namej=0x20; for(j=0;j7;j+) write_pricej=0x20; for(j=0;j4;j+) write_numj=0x20; l

2、cd_wcmd(0x01);/清除LCD的显示内容 delay(1); PrintStr(0,4,splr,12); /编号 PrintStr(2,0,pinming,6); /品名 PrintStr(3,0,danjia,5); /单价 PrintStr(4,0,shuliang,6); /数量 PrintStr(7,13,queren,4); /确认 PrintStr(7,3,quxiao,4); /确认/光标在此闪烁提示收银员输入ISBN码 PrintStr(1,3,xiahua,13); PrintStr(1,0,isbn,5); /ISBN/光标在此闪烁提示收银员输入ISBN码 in

3、_random(1,6,18,in_isbn); rd_24512(read,30,1);/每用到merch_count前 要从新读出 merch_count=read0; for(temp_position=1;temp_positionmerch_count;temp_position+) rd_24512(read_isbn,temp_position5,13); if(strncmp(in_isbn,read_isbn,13)=0) rd_24512(write_name,(temp_position5)+13,8); /若ISBN存在则显示其商品信息 并且修改数量 按确认就写入新的数

4、量 rd_24512 (write_price,(temp_position5)+21,7); rd_24512 (write_num,(temp_position=merch_count) / 如果不存在 LOCAL_XY(2,6); in_randchar(2,6,13,write_name); LOCAL_XY(3,6); in_price(3,6,12,write_price); LOCAL_XY(4,6); in_random(4,6,9,write_num); WRITE_COM(0x10,0x6c); /关闭光标 keyval=e; k=0; while(keyval!=a) k

5、=k;if(k) WRITE_COM(0x10,0x4b); PrintStr(7,13,queren,4); WRITE_COM(0x10,0x6b); PrintStr(7,3,quxiao,4); /确认else WRITE_COM(0x10,0x4b); PrintStr(7,3,quxiao,4); WRITE_COM(0x10,0x6b); PrintStr(7,13,queren,4); keyscan();if(k) if(temp_position=merch_count) wr_2464(in_isbn,(temp_position5),13); wr_2464(write

6、_name,(temp_position5)+13,8); wr_2464(write_price,(temp_position5)+21,7); wr_2464(write_num,(temp_position5)+28,4); merch_count+; /商品数目加一 read0=merch_count; / wr_2464(read,8190,1); /通过read数组写入24c64 8190个单元 wr_2464(write_num,(temp_position5)+28,4); lcd_wcmd(0x01);/清除LCD的显示内容 delay(1); PrintStr(3,1,xx

7、rk,16); /提示信息已经成功输入 WRITE_COM(0x10,0x6c); /关闭光标 keyval=e; k=0; while(keyval!=a) k=k; if(k) WRITE_COM(0x10,0x4b); PrintStr(6,2,jixu,4); WRITE_COM(0x10,0x6b); PrintStr(6,10,tuichu,4); /确认 else WRITE_COM(0x10,0x4b); PrintStr(6,10,tuichu,4); WRITE_COM(0x10,0x6b); PrintStr(6,2,jixu,4); keyscan(); if(!k)

8、keyval=b; WRITE_COM(0x10,0x6e); /打开光标 else lcd_wcmd(0x01);/清除LCD的显示内容 delay(1); PrintStr(3,1,xxcx,16); /提示信息已经成功输入 WRITE_COM(0x10,0x6c); /关闭光标 keyval=e; k=0; while(keyval!=a) k=k; if(k) WRITE_COM(0x10,0x4b); PrintStr(6,2,jixu,4); WRITE_COM(0x10,0x6b); PrintStr(6,10,tuichu,4); /确认 else WRITE_COM(0x10

9、,0x4b); PrintStr(6,10,tuichu,4); WRITE_COM(0x10,0x6b); PrintStr(6,2,jixu,4); keyscan(); if(!k) keyval=b; /销售部分 void sale() uchar in_isbn13,write_isbn13,write_name8,write_price7,write_num4; uchar i,j; uchar localx; bit k ; uchar sale_count=0x01; uchar *infor=该商品已经失效; uchar temp7=0000000;/存储现实总价的数组 uc

10、har each_count2; uchar code bianhao =编号; /uchar code gukehao=顾客号：; uchar code next=Next; uchar code cont=结账; for(j=0;j7;j+) tempj=0x30; /每位顾客开始销售时候 总价清零 while(keyval!=b)/b为结束键 结账 localx=sale_count%6; if(!localx)localx=6; if(localx=1) lcd_wcmd(0x01);/清除LCD的显示内容 delay(1); PrintStr(0,0,bianhao,4); /编号

11、PrintStr(0,3,pinming,4); /品名 PrintStr(0,8,danjia,5); /单价 PrintStr(0,13,shuliang,4); /数量 /光标在此闪烁提示收银员输入ISBN码 for(j=0;j13;j+) in_isbnj=0;PrintStr(7,3,xiahua,13);PrintStr(7,0,isbn,5); /ISBN/光标在此闪烁提示收银员输入ISBN码disponelinechar(1,0,danjia,4);WriteOneByte(0x3a);disponelinechar(3,0,zongjia,6); WRITE_COM(0x60

12、,0x01);/ 地址定位 显示编号由卖的总类数量的十为百位决定 WRITE_COM(0x70,localx4); /规定一个顾客不可能买100种商品 借助变量j实现 j=(sale_count%100)/10; WRITE_DAT(j+0x30); j=(sale_count%10);WRITE_DAT(j+0x30); SetDDRAM_Add(14); /设定地址回到数量显示的位置 WriteOneByte(0x20); /单价后面写两个空格覆盖上次单价后的数量 WriteOneByte(0x20); WriteOneByte(0x20); WRITE_COM(0x10,0x6e); /

13、打开光标 PrintStr(7,3,xiahua,13); /光标在此闪烁提示收银员输入ISBN码 PrintStr(7,0,isbn,5); /ISBN in_random(7,6,18,in_isbn); rd_24512 (read,30,1);/每用到merch_count前 要从新读出 merch_count=read0; for(i=1;imerch_count;i+) rd_24512 (write_isbn,i5,13);if(strncmp(in_isbn,write_isbn,13)=0) rd_24512 (write_name,(i5)+13,8); rd_24512

14、(write_price,(i5)+21,7); rd_24512 (write_num,(i5)+28,4); PrintStr(localx,3,write_name,8); help_disp(in_isbn,write_price); disponelinechar(1,3,in_isbn,6); /若查找出来则in_isbn数组没用/这时借助in_isbn数组,显示单价write_price PrintStr(localx,8,in_isbn,7); WRITE_DAT(0x20); WRITE_DAT(0x20); WRITE_DAT(0x20); WRITE_DAT(0x20);

15、 j=1; keyscan(); each_count0=0x30; each_count1=0x30; do if(keyval=a) each_count0=0x30; each_count1=0x31; LOCAL_XY(localx,26); WRITE_DAT(each_count1); else if(!keytype) each_countj=keyval+0x30; if(j) LOCAL_XY(localx,26),WRITE_DAT(each_count1),j=0; swap(each_count0,each_count1); PrintStr(localx,13,eac

16、h_count,2); else swap(each_count0,each_count1); PrintStr(localx,13,each_count,2),j=1; keyscan(); if(keyval=c|keyval=b|keyval=d) keytype=0; keyval=0x00; while(keyval!=a); if(keyval=a) /按确认键 则统计总价 继续下次输入 conver(write_price,each_count,temp); SetDDRAM_Add(14); /设定地址回到数量显示的位置 WriteOneByte(0x78); /控制 Writ

17、eOneByte(each_count0); /小液晶显示单价 * 数量的数量 WriteOneByte(each_count1); help_disp(in_isbn,temp);/若查找出来则in_isbn数组没用 /这时借助in_isbn数组,显示单价temp总价 disponelinechar(3,3,in_isbn,6); keyval=e;k=0;while(keyval!=a) k=k; if(k) WRITE_COM(0x10,0x4b); PrintStr(7,13,next,4); WRITE_COM(0x10,0x6b); PrintStr(7,10,cont,4); /

18、确认 else WRITE_COM(0x10,0x4b); PrintStr(7,10,cont,4); WRITE_COM(0x10,0x6b); PrintStr(7,13,next,4); keyscan(); if(k) /若选择了next则继续销售下一件商品信息 sale_count+; /购买的总量编号增加 else /若选择了cont则结账 显示总共价钱 lcd_wcmd(0x01);/清除LCD的显示内容 delay(1); disponelinechar(1,0,zongjia,6); disponelinechar(3,2,xxhg,10); help_disp(in_is

19、bn,temp); /若查找出来则in_isbn数组没用 disponelinechar(1,3,in_isbn,6); /这时借助in_isbn数组,显示单价temp总价 PrintStr(3,0,zongjia,6); PrintStr(4,3,in_isbn,7); WRITE_COM(0x10,0x6c); /关闭光标 keyval=e; while(keyval!=a) k=k; if(k) WRITE_COM(0x10,0x4b); PrintStr(6,2,jixu,4); WRITE_COM(0x10,0x6b); PrintStr(6,10,tuichu,4); /确认 el

20、se WRITE_COM(0x10,0x4b); PrintStr(6,10,tuichu,4); WRITE_COM(0x10,0x6b); PrintStr(6,2,jixu,4); keyscan(); if(!k) keyval=b; WRITE_COM(0x10,0x6e); /打开光标 lcd_wcmd(0x01);/清除LCD的显示内容 delay(1); PrintStr(0,0,bianhao,4); /编号 PrintStr(0,3,pinming,4); /品名 PrintStr(0,8,danjia,5); /单价 PrintStr(0,13,shuliang,4);

21、/数量 sale_count=0x01; break; if(i=merch_count) PrintStr(7,3,infor,14);/如果查询结束没有改商品显示提示信息 keyval=e; k=0; while(keyval!=a) k=k; if(k) WRITE_COM(0x10,0x4b); PrintStr(7,13,next,4); WRITE_COM(0x10,0x6b); PrintStr(7,10,cont,4); /确认 else WRITE_COM(0x10,0x4b); PrintStr(7,10,cont,4); WRITE_COM(0x10,0x6b); PrintStr(7,13,next,4); keyscan(); if(!k) /若选择了cont则结账 显示总共价 lcd_wcmd(0x01);/清除LCD的显示内容 del