#include?
#include?
void?timer0_init（）;???????????????//定時器0初始化
void?delay（int）;??????????????????//延時程序
void?trans_led（intintintint）;??//數(shù)碼管顯示傳送函數(shù)
sbit?P10=0x90;????????????????????//管腳定義
sbit?P30=0xB0;
sbit?P20=0xA0;
int?day=0hour=0min=0sec=0;?????//定義時間變量
unsigned?int?state=0;?????????????//運行狀態(tài)標志
unsigned?int?asec=0;??????????????//記錄定時器0中斷次數(shù)，當asec=20時計時為1s?
unsigned?int?check_b=0check_s=0check_g=0;????//記錄set鍵的按下次數(shù)
char?table[10]={0xC00xF90xA40xB00x990x920x820xF80x800x90};??//定義表格
main（）{
??timer0_init（）;
??EX0=1;
??EX1=1;
??IT0=1;
??IT1=1;
??EA=1;
??TR0=1;
??while（1）{
???switch（state）{
?????case（1）:trans_led（10051010）;?//“天“的百位閃爍
?????????????break;
?????case（2）:trans_led（10100510）;?//“天“的十位閃爍
?????????????break;
?????case（3）:trans_led（10101005）;?//“天“的個位閃爍
?????????????break;
?????default:trans_led（0202020）;??//正常運行
?????????????break;
?????????????
???}
??}
}
void?timer0_init（）{
??TMOD=0x21;
??TH0=0x3C;
??TL0=0xB0;
??ET0=1;
??TF0=0;
}
void?Timer0_overflow（）?interrupt?1?using?0{
??TH0=0x3C;
??TL0=0xB0;
??asec++;
??if（asec==20）{?????????????//定時一秒????????????
????asec=0;
????if（sec==0）{
??????sec+=60;
??????min--;
????}
????if（min<0）{
??????min+=60;
??????hour--;
????}
????if（hour<0）{
??????hour+=24;
??????day--;
????}
????if（day>=0）{??????????????//計時時間未完，秒減一
??????sec--;
????}
????else{
??????day=hour=min=sec=0;????//計時結(jié)束
??????TR0=0;
????}
??}
}
void?Int0（）?interrupt?0?using?0{??//set鍵
??if（state>4）
????state=1;
??else
????state++;
??if（state==4）{
????state=0;
????TR0=1;
??}
}
void?Int1（）?interrupt?2?using?0{?//select/start鍵

?if（state>=1&&state<=3）{
??TR0=0;
??hour=min=sec=0;
??timer0_init（）;
??}
????switch（state）{
???????case（1）:day+=100;
???????????????check_b++;
???????????????break;
???????case（2）:day+=10;
???????????????check_s++;
???????????????break;
???????case（3）:day++;
???????????????check_g++;
???????????????break;
???????default:break;????????
?????}
???
??if（check_b>9）???????????????//計時范圍限制
????day-=1000;
??if（check_s>9）{????????
????day-=100;
??}
??if（check_g>9）{
????day-=10;
??}
??
}
void?delay（int?time）{
??int?ij;
??for（i=0;i<=time;i++）{
????for（j=0;j<=10;j++）;
??}
}
void?trans_led（int?aint?bint?cint?d）{
???????????????????????????//顯示秒
??P2=0xFE;
??P1=table[sec%10];
??delay（20）;
??P2=0xFF;

??P2=0xFD;???????????????
??P1=table[sec/10];
??delay（20）;
??P2=0xFF;
??
??????????????????????????//顯示分
??P2=0xFB;
??P1=table[min%10];
??delay（20）;
??P2=0xFF;
??
??P2=0xF7;???????????????
??P1=table[min/10];
??delay（20）;
??P2=0xFF;
??
??
?????????????????????????//顯示時
??P2=0xEF;
??P1=table[hour%10];
??delay（20）;
??P2=0xFF;
??
??P2=0xDF;???????????????
??P1=table[hour/10];
??delay（20）;
??
???
??
????????????????????????//顯示天
??delay（a）;??????????
??P2=0xFF;?????????????
??P30=0;?
??check_b=day/100;??????????
??P1=table[check_b];

?屬性????????????大小?????日期????時間???名稱
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?????文件??????22495??2008-07-20?21:35??彼岸之光\Backup?of?BACKUP~1.SCH

?????文件??????22495??2008-06-12?12:01??彼岸之光\Backup?of?bazg.Sch

?????文件?????286720??2008-07-20?21:35??彼岸之光\BACKUP~1.DDB

?????文件???????9235??2008-06-16?13:56??彼岸之光\bazg

?????文件???????3344??2008-06-14?16:37??彼岸之光\bazg.c

?????文件?????268288??2008-06-12?12:17??彼岸之光\bazg.ddb

?????文件?????121914??2008-06-14?16:37??彼岸之光\bazg.DSN

?????文件???????3483??2008-06-16?13:56??彼岸之光\bazg.hex

?????文件?????526676??2008-06-08?22:39??彼岸之光\bazg.jpg

?????文件???????6922??2008-06-16?13:56??彼岸之光\bazg.LST

?????文件??????12603??2008-06-16?13:56??彼岸之光\bazg.M51

?????文件??????10517??2008-06-16?13:56??彼岸之光\bazg.OBJ

?????文件???????1283??2008-06-16?13:52??彼岸之光\bazg.Opt

?????文件????????367??2008-06-16?13:57??彼岸之光\bazg.plg

?????文件????????840??2008-07-20?21:35??彼岸之光\bazg.PWI

?????文件??????15011??2008-06-07?12:46??彼岸之光\bazg.SRC

?????文件???????2076??2008-06-09?17:18??彼岸之光\bazg.Uv2

????.......??????1293??2008-06-14?17:48??彼岸之光\bazg_Opt.Bak

????.......??????2123??2008-06-09?17:11??彼岸之光\bazg_Uv2.Bak

?????文件?????108714??2008-06-10?16:33??彼岸之光\Last?Loaded?bazg.DBK

?????文件???????4154??2008-06-09?17:12??彼岸之光\mfm.lst

?????文件??????22495??2008-06-12?12:06??彼岸之光\Previous?Backup?of?BACKUP~1.SCH

?????文件??????22495??2008-06-12?11:54??彼岸之光\Previous?Backup?of?bazg.Sch

?????文件???????5115??2002-04-16?15:32??彼岸之光\STARTUP.A51

?????文件??????11784??2008-06-16?13:56??彼岸之光\STARTUP.lst

?????文件????????866??2008-06-16?13:56??彼岸之光\STARTUP.obj

?????文件?????122368??2008-06-16?13:43??彼岸之光\彼岸之光設計文檔.doc

?????目錄??????????0??2008-07-20?21:36??彼岸之光

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??????????????1615676????????????????????28

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