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Ö÷³ÌÐò£º #include
sbit led=P2^4;//ÿ½Ú½áÊøÊ±¾¯±¨
extern void Initialize_LCD(); //LCD³õʼ»¯
extern void Set_LCD_POS(uchar pos); //ÏòLCDдµØÖ· extern void Write_LCD_Data(uchar dat);//ÏòLCDдÊý¾Ý extern void Print_1602();
uchar tCount_T0=0; uchar tCount_T1=0;
uchar Keyboardcode[]={0xef,0xdf,0xbf};//°´¼üɨÃèÁÐ
char T_24=24;
char T_12_fen=12; char T_12_miao=0;
uchar jie=1;
uchar A_bifen=0,B_bifen=0;
uchar Key_Result=0;//¶Áµ½µÄ°´¼üÖµ 0~8
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//ÏÔʾ¹Ì¶¨×Ö·û
//¶¨Ê±Æ÷0µÄ±äÁ¿ //¶¨Ê±Æ÷1µÄ±äÁ¿
°²»Õ²Æ¾´óѧ¹ÜÀí¿ÆÑ§Ó빤³ÌѧԺ±¾¿Æ±ÏÒµÉè¼Æ
uchar KeyPressDown=0;//°´¼ü°´Ï±êÖ¾ uchar Flag_LED=0;//µÆÁÁ±êÖ¾ uchar Flag_finish=0;//Ò»½Ú´Î½áÊø±êÖ¾
void Delay_S(uint ms)//1msÑÓʱ { uchar i; while(ms--)
for(i=0;i<120;i++);
}
uchar Key_Scan() //¼üÅÌɨÃè {
uchar Result_Temp=0; uchar Lie,Hang;
EX0=0;
for(Lie=0;Lie<3;Lie++) { P1=Keyboardcode[Lie]; Result_Temp=P1&0x0f; if(Result_Temp!=0x0f) { switch(Result_Temp) { case 0x0e:Hang=0;break; case 0x0d:Hang=1;break; case 0x0b:Hang=2;break;
}
break;
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}
void Process(uchar po)//¶Ô¶Áµ½µÄ°´¼üÖµ½øÐд¦Àí {
case 1:A_bifen=A_bifen+1;break; case 4:A_bifen=A_bifen+2;break; case 7:A_bifen=A_bifen+3;break;
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}
}
P1=0x0f; EX0=1;
return Hang*3+Lie;
if(Flag_finish==1) {
Flag_finish=0; TR0=1;
T_24=23;
T_12_fen=11; T_12_miao=58;
} switch(po) {
case 0:TR0=1;break; case 3:TR0=0;break;
case 6:jie++;if(jie==5) jie=1;break;
°²»Õ²Æ¾´óѧ¹ÜÀí¿ÆÑ§Ó빤³ÌѧԺ±¾¿Æ±ÏÒµÉè¼Æ
case 2:B_bifen=B_bifen+1;break; case 5:B_bifen=B_bifen+2;break; case 8:B_bifen=B_bifen+3;break;
}
}
void main() { uchar we;
Initialize_LCD();
TMOD=0x11;
TH0=-50000/256; TL0=-50000%6;
TR0=0; ET0=1;
TH1=-50000/256; TL1=-50000%6;
TR1=0; ET1=1;
IT0=1; EX0=1;
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