单片机 万年历.rar

#include<reg51.h> #include<absacc.h> #define uchar unsigned char #define uint unsigned int #define ture 1 #define fault 0 sbit SET=P1^7; void delay(uchar k) ; uchar monthday(uchar a,uchar b); void display() ; uchar code dayofmonth[]={31,28,31,30,31,30,31,31,30,31,30,31}; uchar code scan[]={0xe0,0xe1,0xe2,0xe3,0xe4,0xe5,0xe6,0xe7, 0xe8,0xe9,0xea,0xeb,0xec,0xed,0xee,0xef, 0xf8,0xf9,0xfa,0xfb,0xfc,0xfd}; //扫描的译码信号 uchar i; uchar code table[]={0xBF,0x86,0xDB,0xCF,0xE6,0xED,0xFD,0xA7,0xFF,0xEF,0xC0}; uchar buffer[]={0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0}; uchar shuju=0; uchar state=0; uchar qxiang; typedef struct { uchar year[2]; uchar month; uchar day; uchar week; }date; typedef struct { uchar hour; uchar minute; uchar second; }time; uchar count=0; date today={{9,20},4,20,1}; time now={11,8,10}; void main() { TMOD=0x01; TL0=(65536-1000)%256; TH0=(65536-1000)/256; IE=0x82; //EA=1;ET0=1总中断允许和定时器中断允许 TCON=0x10; //定时器启动计数 while(1) { P1=0xff; shuju=P1&0xff; qxiang=shuju&0x80; switch(qxiang) { case(0x80):switch(shuju) { case(0xfe) : //秒调整 { EA=1; EX0=1; //IE=0x83; //EA=1;ET0=1;EX0=0总中断允许，定时器中断允许，外中断允许 IT0=1; //TCON=0x11; //TR0=1;IT0=1;定时器启动,外中断为负边沿触发 }break; case(0xfd) : //分调整 { EA=1; EX0=1; // IE=0x83; IT0=1; //TCON=0x11; }break; case(0xfb) : //时调整 { EA=1; EX0=1; IT0=1; }break; case(0xf7) : //星期调整 { EA=1; EX0=1; IT0=1; }break; case(0xef) : //日调整 { EA=1; EX0=1; IT0=1; }break; case(0xdf): //月调整 { EA=1; EX0=1; IT0=1; }break; case(0xbf): //年调整 { EA=1; EX0=1; IT0=1; }break; default: //时钟正常计时 { EA=1; TR0=1; EX0=0; }break; }break; case(0x00) :switch(shuju) { case(0x7e): { EA=1; EX0=1; IT0=1; }break; case(0x7d): { EA=1; EX0=1; IT0=1; }break; case(0x7b): { EA=1; EX0=1; IT0=1; }break; case(0x77): { EA=1; EX0=1; IT0=1; }break; case(0x6f): { EA=1; EX0=1; IT0=1; }break; case(0x5f): { EA=1; EX0=1; IT0=1; }break; case(0x3f): { EA=1; EX0=1; IT0=1; }break; default: //时钟正常计时 { EA=1; TR0=1; EX0=0; }break; }break; } } } void inter0() interrupt 0 using 0 { uchar result,z; result=shuju; switch(qxiang) { case(0x80): switch(result) { case(0xfe) : // if(result==0xfe) //秒调整 + { now.second++; if(now.second>=60) { now.second=0; } display(); }break; case(0xfd) : //if(result==0xfd) //分调整 + { now.minute++; if(now.minute>=60) { now.minute=0; } display(); }break; case(0xfb) : //if(result==0xfb) //时调整 + { now.hour++; if(now.hour>=24) { now.hour=0; } display(); }break; case(0xf7) : // if(result==0xf7) //星期调整 + { today.week++; if(today.week>=8) { today.week=1; } display(); }break; case(0xef) : //if(result==0xef) //日期调整 + { today.day++; z = monthday( today.year[1] , today.year[0] ); if((z==1)&&(today.month==2)) { if(today.day>=30) today.day=1; } else if (today.day>dayofmonth[today.month-1]) today.day=1; display(); }break; case(0xdf) : //if(result==0xdf) //月调整 + { today.month++; if(today.month>=13) { today.month=1; } display(); } break; case(0xbf) : //if(result==0xbf) //年调整 + { today.year[0]=today.year[0]+1; if(today.year[0]>=100) { today.year[0]=0; today.year[1]=today.year[1]+1; if(today.year[1]>=100) { today.year[1]=0; } } display(); }break; default: //时钟正常计时 { EA=1; TR0=1; EX0=0; }break; }break; case(0x00): switch(result) { case(0x7e): //if(result==0x7f) //秒调整— { if(now.second>0) now.second=now.second-1; else now.second=59; display(); }break; case(0x7d): //if(result==0x7d) //分调整— { if(now.minute>0) now.minute=now.minute-1; else now.minute=59; display(); } break; case(0x7b) : //if(result==0x7b) // 时调整- { if(now.hour>0) now.hour=now.hour-1; else now.hour=23 ; display(); }break; case(0x77) : //if(result==0x77)