单片机万年历实训

PAGE5单片机万年历实训仿真图：原理图：程序：/******************************************使用LCD1602与单片机实现的时钟与日期inti,j,day=0;charmweek;for(i=2000;i<time.year;i++){if(leep_year(i))day+=366;elseday+=365;}for(j=1;j<time.month;j++){if(j==1||j==3||j==5||j==7||j==8||j==10||j==12)day+=31;if(j==4||j==6||j==9||j==11)day+=30;if(flag_year_leap&&j==2)day+=29;if((!flag_year_leap)&&j==2)day+=28;}day+=time.mday;mweek=day%7;switch(mweek){case0:time.week=5;break;case1:time.week=6;break;case2:time.week=7;break;case3:time.week=1;break;case4:time.week=2;break;case5:time.week=3;break;case6:time.week=4;break;} time_ch.ch_week[0]=time.week+0x30;}//月份的进位处理voidtime_carry_mon_year(void){flag_year_leap=leep_year(time.year);//判断闰年if(time.mday>=30){if(time.month==1||time.month==3||time.month==5||time.month==7\||time.month==8||time.month==10||time.month==12)//天数为31天的月，1、3、5、7、8、10、12{if(time.mday==32){time.mday=1;time.month++;}}if(time.month==4||time.month==6||time.month==9||time.month==11){if(time.month==31){time.mday=1;time.month++;}}tran_ch();}if(time.month==2&&time.mday>=28){if(flag_year_leap&&(time.mday==30)){time.mday=1;time.month++;}if((!flag_year_leap)&&(time.mday==29)){time.mday=1;time.month++;}tran_ch();}if(time.month==13){time.month=1;time.year++;tran_ch();}//年的进位}//时间的进位voidtime_carry(void){if(time.second==60){time.minute++;time.second=0;}if(time.minute==60){time.hour++;time.minute=0;}if(time.hour==24){time.mday++;time.hour=0;time_carry_mon_year();de_week();}}//屏幕的显示函数voiddsp(void){if(flag_en_key==0)//非设置模式下的显示{tran_ch();wcmd(0x02);//returncursorwstring(time_ch.ch_hour,2);wdata(':');wstring(time_ch.ch_minute,2);wdata(':');wstring(time_ch.ch_second,2);wstring("",3);wcmd(0x80+0x40);wstring("",3);wstring(time_ch.ch_year,4);wdata('-');wstring(time_ch.ch_month,2);wdata('-');wstring(time_ch.ch_mday,2);wstring("W",2);wdata(time_ch.ch_week[0]);}if(flag_en_key==1)//设置模式下的显示{if(flag_set<=2){tran_ch();wcmd(0x02);//returncursorwstring(time_ch.ch_year,4);wdata('-');wstring(time_ch.ch_month,2);wdata('-');wstring(time_ch.ch_mday,2);}if(flag_set>2){tran_ch();wcmd(0x02);//returncursorwstring(time_ch.ch_hour,2);wdata(':');wstring(time_ch.ch_minute,2);wdata(':');wstring(time_ch.ch_second,2);wstring("",3);}}}//显示字符串string_…voiddsp_string(char*pt){chari=0;wcmd(0x80+0x40);//将光标调整至第二行while(pt[i]){wdata(pt[i]);i++;}}//退出按键模式voidexit_key(void){chari;flag_en_key=0;flag_en_ok=0;flag_ok=0;flag_mean=0;flag_set=0;//清除所有标记wcmd(0x80+0x40);for(i=0;i<=16;i++)wdata('\0');}//按键的处理子函数（由外中断调用）intsolve_key(void){//if(key_mean==0);if(key_ok==0)//确定或退出{if(flag_ok) { exit_key(); time_carry_mon_year(); de_week(); return0; } elseflag_ok=1;}if(key_set==0){if(flag_ok==0)//时分秒的选择{flag_set++;if(flag_set==6)flag_set=0;switch(flag_set){case0:dsp_string(string_year);break;case1:dsp_string(string_month);break;case2:dsp_string(string_mday);break;case3:dsp_string(string_hour);break;case4:dsp_string(string_minute);break;case5:dsp_string(string_second);break;}}if(flag_ok==1)//时分秒的设置{switch(flag_set){case0:{time.year++;if(time.year==10000)time.year=2000;break;}case1:{time.month++;time_carry_mon_year();break;}case2:{time.mday++;time_carry_mon_year();break;}case3:{time.hour++;if(time.hour==24)time.hour=0;break;}case4:{time.minute++;if(time.minute==60)time.minute=0;break;}case5:{time.second++;if(time.second==60)time.second=0;break;}}}}if(flag_ok==1)//是否更改数据 是显示OK否显示？{wcmd(0x80+0x4e);wdata('O');wdata('K');}else{wcmd(0x80+0x4e);wdata('\0');wdata('?');}return0;}//MCU的秒中断函数与显示函数的执行voidINT_sec()interrupt1using0{if(flag_sec==20)//flag_sec==20代表1s{flag_sec=0;TH0=0x3c;TL0=0xb0+10;//定时器再次进入0.05s的中断//加10是为了抵消中断与前两个指令消耗的时间(不精确)time.second++;flag_en_ok=0;//去掉key_ok的特殊优先权time_carry();dsp();}else{flag_sec++;TH0=0X3C;TL0=0XB0+10;//定时器再次进入0.05s的中断}}//外中断0，键盘中断INT_X0(void)interrupt0using0{LCD_delay(); //去抖TR0=0;//关闭定时计数器0if(key_mean==0){flag_en_ok=1;flag_ok=0;dsp_string(string_year);}if(flag_en_ok&&key_ok==0){flag_en_key=1;flag_en_ok=0;}if(flag_en_key==1){solve_key();}TR0=1;//启动定时计数器0}//LCD的初始化voidinit(void){E=0;//确定E在初始化时为0wcmd(0x01);wcmd(0x06);wcmd(0x0c);wcmd(0x38);}/************main函数*****************/intmain(){//单片机的初始化EA=1;ET0=1;//定时计数器0的使能EX0=1;//外中断0的使能IT0=1;//下降沿触发中断IP