- #include <reg51.h>
- #include <intrins.h>
- #include<math.h>
- #define uchar unsigned char
- #define uint unsigned int
- #define ulong unsigned long
- uint buffer1,buffer2;
- uchar dis1[17] ={'T','o','t','a','l','M','o','n','e','y','=',' ',' ',' ','.',' ','\0'};
- uchar dis2[17] ={'C','u','r','r','e','n','t','M','o','n','e','y','=',' ','.',' ','\0'};
- sbit LCD_RS = P1^1;
- sbit LCD_EN = P1^0;
- sbit QQ=P2^0;
- sbit WW=P2^1;
- sbit EE=P2^2;
- sbit RR=P2^3;
- void delay(int ms)
- {
- int i;
- while(ms--)
- {
- for(i =0; i< 250; i++)
- {
- _nop_();
- _nop_();
- _nop_();
- _nop_();
- }
- }
- }
- void lcd_wcmd(uchar cmd)
- {
- //while(lcd_busy());
- LCD_RS =0;
- LCD_EN =0;
- _nop_();
- _nop_();
- P0 = cmd;
- _nop_();
- _nop_();
- _nop_();
- _nop_();
- LCD_EN =1;
- _nop_();
- _nop_();
- _nop_();
- _nop_();
- LCD_EN =0;
- }
- void lcd_wdat(uchar dat)
- {
- //while(lcd_busy());
- LCD_RS =1;
- // LCD_RW =0;
- LCD_EN =0;
- P0 = dat;
- _nop_();
- _nop_();
- _nop_();
- _nop_();
- LCD_EN =1;
- _nop_();
- _nop_();
- _nop_();
- _nop_();
- LCD_EN =0;
- }
- void lcd_pos(uchar pos)
- {
- lcd_wcmd(pos|0x80);
- }
- void lcd_init()
- {
- lcd_wcmd(0x38);
- delay(5);
- lcd_wcmd(0x38);
- delay(5);
- lcd_wcmd(0x38);
- delay(5);
- lcd_wcmd(0x0c);
- delay(5);
- lcd_wcmd(0x06);
- delay(5);
- lcd_wcmd(0x01);
- delay(5);
- }
- void shujuchuli()
- {
- float temp1,temp2;
- if(QQ==0)
- {
- temp1=temp1+1;
- temp2=1;
- }
- if(WW==0)
- {
- temp1=temp1+0.5;
- temp2=0.5;
- }
- if(EE==0)
- {
- temp1=temp1+0.1;
- temp2=0.1;
- }
- if(RR==0)
- {
- temp1=temp1+0.1;
- temp2=0.1;
- }
- buffer1=temp1*10;
- dis1[11]=(buffer1%10000)/1000+'0';
- dis1[12]=(buffer1%1000)/100+'0';
- dis1[13]=(buffer1%100)/10+'0';
- dis1[15]=buffer1%10+'0';
- buffer2=temp2*100;
- dis2[13]=(buffer2%1000)/100+'0';
- dis2[15]=(buffer2%100)/10+'0';
- }
- void xianshi()
- {uchar i;
- lcd_wcmd(0x06);
- lcd_pos(0);
- delay(5);
- lcd_pos(0);
- i = 0;
- delay(1);
- while(dis1[ i] != '\0')
- {
- lcd_wdat(dis1[ i]);
- i++;
- delay(1);
- }
- delay(1);
- lcd_pos(0x40);
- delay(1);
- lcd_pos(0x40);
- i = 0;
- delay(1);
- while(dis2[ i] != '\0')
- {
- lcd_wdat(dis2[ i]);
- i++;
- delay(1);
- }
- }
- main()
- {
- lcd_init();
- while(1)
- {
- shujuchuli();
- xianshi();
- }
- }
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