- #include<reg52.h>
- #define uchar unsigned char
- unsigned long num;
- uchar j,k;
- uchar a0,b0,c0,d0,e0,f0,g0,h0;
- sbit dula=P2^6;
- sbit wela=P2^7;
- sbit s2=P3^0;
- sbit s3=P3^1;
- unsigned char code table[]={0x3f,0x06,0x5b,0x4f,0x66,0x6d,0x7d,
- 0x07,0x7f,0x6f,0x77,0x7c,0x39,0x5e,0x79,0x71,0x00};
- void delay(uchar i)
- {
- for(j=i;j>0;j--)
- for(k=125;k>0;k--);
- }
- void display(uchar a,uchar b,uchar c,uchar d,uchar e,uchar f,uchar g,uchar h)
- {
- dula=0;
- P0=table[a];
- dula=1;
- dula=0;
-
- wela=0;
- P0=0xfe;
- wela=1;
- wela=0;
- delay(5);
-
- P0=table[b];
- dula=1;
- dula=0;
-
- P0=0xfd;
- wela=1;
- wela=0;
- delay(5);
- P0=table[c];
- dula=1;
- dula=0;
-
- P0=0xfb;
- wela=1;
- wela=0;
- delay(5);
-
- P0=table[d];
- dula=1;
- dula=0;
-
- P0=0xf7;
- wela=1;
- wela=0;
- delay(5);
-
- P0=table[e];
- dula=1;
- dula=0;
-
- P0=0xef;
- wela=1;
- wela=0;
- delay(5);
-
- P0=table[f];
- dula=1;
- dula=0;
-
- P0=0xdf;
- wela=1;
- wela=0;
- delay(5);
- P0=table[g];
- dula=1;
- dula=0;
-
- P0=0xbf;
- wela=1;
- wela=0;
- delay(5);
- P0=table[h];
- dula=1;
- dula=0;
-
- P0=0x7f;
- wela=1;
- wela=0;
- delay(5);
- }
- void keyscan()
- {
- if(s2==0)
- {
- while(s2==0);
- num++;
- }
- if(s3==0)
- {
- while(s3==0);
- num=0;
- }
- }
- void main()
- { while(1)
- {
- keyscan();
- if(num<10)
- {
- a0=num;b0=16;c0=16;d0=16;e0=16;f0=16;g0=16;h0=16;
- }
- else
- {
- if(num<100)
- {a0=num/10;b0=num%10;c0=16;d0=16;e0=16;f0=16;g0=16;h0=16;}
- else
- {
- if(num<1000)
- {a0=num/100;b0=num%100/10;c0=num%10;d0=16;e0=16;f0=16;g0=16;h0=16;}
- else
- {
- if(num<10000)
- {a0=num/1000;b0=num%1000/100;c0=num%100/10;d0=num%10;e0=16;f0=16;g0=16;h0=16;}
- else
- {
- if(num<100000)
- {a0=num/10000;b0=num%10000/1000;c0=num%1000/100;d0=num%100/10;e0=num%10;f0=16;g0=16;h0=16;}
- else
- {
- if(num<1000000)
- {a0=num/100000;b0=num%100000/10000;c0=num%10000/1000;d0=num%1000/100;e0=num%100/10;f0=num%10;g0=16;h0=16;}
- else
- {
- if(num<10000000)
- {a0=num/1000000;b0=num%1000000/100000;c0=num%100000/10000;d0=num%10000/1000;e0=num%1000/100;f0=num%100/10;g0=num%10;h0=16;}
- else
- {
- if(num<100000000)
- {a0=num/10000000;b0=num%10000000/1000000;c0=num%1000000/100000;d0=num%100000/10000;e0=num%10000/1000;f0=num%1000/100;g0=num%100/10;h0=num%10;}
- }
- }
- }
- }
- }
- }
- }
- display(a0,b0,c0,d0,e0,f0,g0,h0);
- }
- }
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