单片机程序 单片机设计2008奥运会.rar

/*************************************** 名称:2008奥运会倒计时 ***************************************/ #include<reg51.h> #include<absacc.h> #include<intrins.h> #include "delay.h" #define clock_segment XBYTE[0xBFFF] //时钟段码地址 #define clock_sel XBYTE[0x7FFF] //时钟位码地址 #define year_segment XBYTE[0xEFFF] //日历段码地址 #define year_sel XBYTE[0xDFFF] //日历位码地址 #define retime_segment XBYTE[0xFBFF]//倒计时段码地址 #define retime_sel XBYTE[0xF7FF] //倒计时位码地址 unsigned char time_num=0;//定时一秒次数 unsigned char shi_num=24;//小时位计数 unsigned char miao_ge=0; //秒个位 unsigned char miao_shi=0;//秒十位 unsigned char fen_ge=0;//分个位 unsigned char fen_shi=4;//分十位 unsigned char shi_ge=8;//时个位 unsigned char shi_shi=0;//时十位 unsigned char year_thousand=2; unsigned char year_hundred=0; unsigned char year_decade=0; unsigned char year_unit=7; unsigned char month_decade=0; unsigned char month_unit=6; unsigned char day_decade=2; unsigned char day_unit=6; unsigned char retime_unit=0; unsigned char retime_decade=1; unsigned char retime_hundred=4; unsigned char retime_thousand=0; unsigned char year_thoustore; //保存年千位数据 unsigned char year_hundstore; //保存年百位数据 unsigned char year_decastore; //保存年十位数据 unsigned char year_unitstore; //保存年个位数据 unsigned char month_unitstore;//保存月个位数据 unsigned char month_decastore;//保存月十位数据 unsigned char day_unitstore; //保存日个位数据 unsigned char day_decastore; //保存日十位数据 unsigned char year_unitstore2;//保存年各位数据 unsigned char year_decastore2;//年位组合子程序用来保护数据用 unsigned char year_hundstore2; unsigned char year_thoustore2; unsigned char retime_ustore; //保存倒计时各位数据 unsigned char retime_dstore; unsigned char retime_hstore; unsigned char retime_tstore; unsigned char day_numj=31; //奇数月31天 unsigned char day_numo=30; //偶数月30天 unsigned char day_numooo=30; unsigned char day_numoo; unsigned char month_num=12; unsigned int year_jointed; //年各位组合在一起,以便进行闰年判断 unsigned int year_help1; unsigned int year_help2; unsigned char xiaoshi_ge;//闪烁时存小时个位 unsigned char xiaoshi_shi;//闪烁时存小时十位 unsigned char fenzhong_ge;//闪烁时存分钟个位 unsigned char fenzhong_shi;//闪烁时存分钟十位 unsigned char cort=0;//判断第几次按下确认键 sbit key_sure=P1^0;//调时或确认键 sbit key_dec=P1^2;//调时减键 bit first_sure=0; //第一次按下确认键 bit second_sure=0;//第二次按下确认键 bit third_sure=0; //第三次按下确认键 bit fourth_sure=0;//第四次按下确认键 bit fifth_sure=0; //第五次按下确认键 bit sixth_sure=0; //第六次按下确认键 bit seventh_sure=0;//第七次按下确认键 unsigned code table[]={0x3f,0x06,0x5b,0x4f,0x66,0x6d,0x7d,0x07,0x7f,0x6f,0x00};//段码表 /************函数声明*************/ void shannum_jian(void); void inc_key(void); void dec_key(void); void dis_dingshi(void); void hour_shanshuo(void); void min_shanshuo(void); void kbscan(void); void display(void); void year_joint(void); unsigned char judgement_leap(void); void retime_flash(void); /******************************** 显示子程序 *********************************/ void display(void) { clock_sel=0xdf; clock_segment=table[miao_ge]; //送秒个位段位码 delay(3); clock_sel=0xef; clock_segment=table[miao_shi]; //送秒十位段位码 delay(3); clock_sel=0xf7; clock_segment=table[fen_ge]|0x80; //送分个位段位码 delay(3); clock_sel=0xfb; clock_segment=table[fen_shi]; //送分十位段位码 delay(3); clock_sel=0xfd; clock_segment=table[shi_ge]|0x80; //送时个位段位码 delay(3); clock_sel=0xfe; clock_segment=table[shi_shi]; //送时十位段位码 delay(3); year_sel=0x7f; year_segment=table[day_unit]; //送日个位段位码 delay(3); year_sel=0xbf; year_segment=table[day_decade]; //送日十位段位码 delay(3); year_sel=0xdf; year_segment=table[month_unit]|0x80; //送月个位段位码 delay(3); year_sel=0xef; year_segment=table[month_decade]; //送月十位段位码 delay(3); year_sel=0xf7; year_segment=table[year_unit]|0x80; //送年个位段位码 delay(3); year_sel=0xfb; year_segment=table[year_decade]; //送年十位段位码 delay(3); year_sel=0xfd; year_segment=table[year_hundred]; //送年百位段位码 delay(3); year_sel=0xfe; year_segment=table[year_thousand]; //送年千位段位码 delay(3); retime_sel=0xf7; retime_segment=table[retime_unit]; //送倒计时个位段位码 delay(3); retime_sel=0xfb; retime_segment=table[retime_decade]; //送倒计时十位段位码 delay(3); retime_sel=0xfd; retime_segment=table[retime_hundred];//送倒计时百位段位码 delay(3); retime_sel=0xfe; retime_segment=table[retime_thousand];//送倒计时千位段位码 delay(3); } /********************************** 判断闰年子程序 ***********************************/ unsigned char judgement_leap(void) { year_joint(); //调用年各位组合子程序 if((year_jointed%4==0&&year_jointed%100!=0)||(year_jointed%100==0&&year_jointed%400==0))return(29); //是闰年二月29天 else return(28); //是平年二月28天 } /********************************** 按键扫描子程序 ***********************************/ void kbscan(void) { unsigned char sccode; P1=0xff; if((P1&0xff)!=0xff) { //delay(5); display(); display(); display(); if((P1&0xff)!=0xff) { sccode=P1; //while((P1&0xff)!=0xff) //按键后消陡 //{ // ; // } switch(sccode) { case 0xfe:shannum_jian();break; case 0xfd:inc_key(); break; case 0xfb:dec_key(); break; default: break; } } } } /******************************** 确认键按键次数子程序 ********************************/ void shannum_jian(void) { cort++; if(cort==1) //第一次按下确认键 { first_sure=1; second_sure=0; third_sure=0; fourth_sure=0; fifth_sure=0; sixth_sure=0; seventh_sure=0; } else if(cort==2) //第二次按下确认键 { first_sure=0; second_sure=1; third_sure=0; fourth_sure=0; fifth_sure=0; sixth_sure=0; seventh_sure=0; } else if(cort==3) //第三次按下确认键 { first_sure=0; second_sure=0; third_sure=1; fourth_sure=0; fifth_sure=0; sixth_sure=0; seventh_sure=0; } else if(cort==4) //第四次按下确认键 { first_sure=0; second_sure=0; third_sure=0; fourth_sure=1; fifth_sure=0; sixth_sure=0; seventh_sure=0; } else if(cort==5) //第五次按下确认键 { first_sure=0; second_sure=0; third_sure=0; fourth_sure=0; fifth_sure=1; sixth_sure=0; seventh_sure=0; } else if(cort==6) //第六次按下确认键 { first_sure=0; second_sure=0; third_sure=0; fourth_sure=0; fifth_sure=0; sixth_sure=1; seventh_sure=0; } else if(cort==7) //第七次按下确认键 { cort=0; first_sure=0; second_sure=0; third_sure=0; fourth_sure=0; fifth_sure=0; sixth_sure=0; seventh_sure=1; } } /******************************* 减一键子程序 *******************************/ void dec_key(void) { if(first_sure) //第一次按下确认键,小时位减 { if(shi_num!=24) { ++shi_num;