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下面這個(gè)是完整程序，大神幫我看看吧
- #include<reg52.h>
- #include<intrins.h>
- #define uchar unsigned char
- #define uint unsigned int
- sbit wela=P2^7;
- sbit dula=P2^6;
- void delay(uint z)
- {
- uint x,y;
- for(x=z;x>0;x--)
- for(y=0;y<110;y++);
- }
- uchar temp,t0,t1,bai,shi,ge,flag,flag1;
- uint shu;
- uchar code table[]={
- 0x3f,0x06,0x5b,0x4f,0x66,0x6d,0x7d,0x07,0x7f,0x6f,
- 0x77,0x7c,0x39,0x5e,0x79,0x71
- 0x76,0x79,0x38,0x3f,0 //hello ????
- }; ///??????Ч???0~15
- void init() ///?????
- {
- shu=432;
- temp=0xfe;
- P1=temp;
- TMOD=0x11;///????????????
- TH0=(65536-50000)/256;
- TL0=(65536-50000)%256;
- TH1=(65536-50000)/256;
- TL1=(65536-50000)%256;
- EA=1;
- ET0=1;
- ET1=1;
- TR0=1;
- TR1=1;//????????
- }
- void timer0() interrupt 1
- {
- TH0=(65536-50000)/256;
- TL0=(65536-50000)%256;
- t0++;
- if(flag!=1)
- {
- if(t0==10)
- {
- t0=1;
- temp=_crol_(temp,1);
- P1=temp;
- }
- }
- else
- {
- if(t0%4==0)
- P1=~P1;
- if(t0==60)
- { TR0=0;
- P1=0xff;
- flag1=1;
- }
- }
- }
- void timer1() interrupt 3
- {
- TH1=(65536-50000)/256;
- TL1=(65536-50000)%256;
- t1++;
- if(t1==2)
- {
- t1=0;
- shu -- ;
- bai=shu/100;
- shi=shu%100/10;
- ge=shu%10;
- if(shu==398)
- {
- TR0=0;
- TH0=(65536-50000)/256;
- TL0=(65536-50000)%256;
- TR0=1;
- flag=1;
- t0=0;
- P1=0xff;///???ALL
- TR1=0;
- }
- }
- }
- void display(uchar aa,uchar bb,uchar cc,uchar bai,uchar shi,uchar ge)
- {
- dula=1;P0=table[aa];dula=0;P0=0xff;wela=1;P0=0xfe;wela=0;delay(1);
- dula=1;P0=table[bb];dula=0;P0=0xff;wela=1;P0=0xfd;wela=0;delay(1);
- dula=1;P0=table[cc];dula=0;P0=0xff;wela=1;P0=0xfb;wela=0;delay(1);
- dula=1;P0=table[bai];dula=0;P0=0xff;wela=1;P0=0xf7;wela=0;delay(1);
- dula=1;P0=table[bai];dula=0;P0=0xff;wela=1;P0=0xef;wela=0; delay(1);
- dula=1;P0=table[bai];dula=0;P0=0xff;wela=1;P0=0xdf;wela=0; delay(1);
- }
- void main(void)
- {
- init();
- while(1)
- {
- if(flag1!=1)
- display(7,6,5,bai,shi,ge);
- else
- display(16,17,18,18,19,20);
- }
- }
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