用定時器做的可調(diào)電子鐘

1、用定時器做的可調(diào)電子鐘#include #include #include #define uchar unsigned charsbit neum=P32;sbit up=P36;sbit down=P37;uchar code table2=MON;uchar code table3=TUE;uchar code table4=WED;uchar code table5=THU;uchar code table6=FRI;uchar code table7=SAT;uchar code table8=SUN;uchar count,neum_key,a,b;uchar miao,fen,s

2、hi,ri,yue,nian,zhou;void init_time(void)TMOD=0x01; / 定時器 0，工作方式 1 TH0=(65536-50000)/256; TL0=(65536-50000)%256; / 初值 TR0=1;ET0=1;EA=1;void write_sfm(uchar addr,uchar date)uchar shi,ge;shi=date/10;ge=date%10; write_cmd(0x80+0x40+addr); write_dat(0x30+shi); write_dat(0x30+ge);void write_nyr(uchar addr

3、,uchar date1)uchar shi,ge;shi=date1/10;ge=date1%10;write_cmd(0x80+addr);write_dat(0x30+shi);write_dat(0x30+ge);void keyscan()if(neum=0)delay(5);if(neum=0)neum_key+;while(!neum);if(neum_key=1)TR0=0;write_cmd(0x80+0x40+11);write_cmd(0x0f);if(neum_key=2) write_cmd(0x80+0x40+8); write_cmd(0x0f);if(neum_

4、key=3) write_cmd(0x80+0x40+5); write_cmd(0x0f);if(neum_key=4)write_cmd(0x80+13); write_cmd(0x0f);if(neum_key=5)write_cmd(0x80+10); write_cmd(0x0f);if(neum_key=6)write_cmd(0x80+7); write_cmd(0x0f);if(neum_key=7)write_cmd(0x80+4); write_cmd(0x0f);if(neum_key=8)neum_key=0; write_cmd(0x0c); TR0=1;加減計算/

5、/ 秒 if(neum_key=1)if(up=0)delay(5);if(up=0)while(!up);miao+;if(miao=60)miao=0;write_sfm(10,miao); write_cmd(0x80+0x40+11);if(down=0)delay(5);if(down=0)while(!down);miao-;if(miao=(-1) miao=59;write_sfm(10,miao); write_cmd(0x80+0x40+11);/ 分 / if(neum_key=2)if(up=0)delay(5);if(up=0) while(!up); fen+; i

6、f(fen=60) fen=0;write_sfm(7,fen); write_cmd(0x80+0x40+8);if(down=0)delay(5);if(down=0) while(!down); fen-; if(fen=(-1) fen=59;write_sfm(7,fen); write_cmd(0x80+0x40+8);/ 時if(neum_key=3)if(up=0)delay(5);if(up=0)while(!up);shi+;if(shi=24)shi=0;write_sfm(4,shi); write_cmd(0x80+0x40+5);if(down=0)delay(5)

7、;if(down=0)while(!down);shi-;if(shi=(-1) shi=23;write_sfm(4,shi); write_cmd(0x80+0x40+5);/ 星期 if(neum_key=4)if(up=0)delay(5);if(up=0)a+; while(!up); if(a=1)write_cmd(0x80+13); for(b=0;b3;b+) write_dat(table2b);if(a=2)write_cmd(0x80+13);for(b=0;b3;b+)write_dat(table3b);if(a=3)write_cmd(0x80+13);for(b

8、=0;b3;b+)write_dat(table4b);if(a=4)write_cmd(0x80+13);for(b=0;b3;b+)write_dat(table5b);if(a=5)write_cmd(0x80+13);for(b=0;b3;b+)write_dat(table6b);if(a=6)write_cmd(0x80+13); for(b=0;b3;b+)write_dat(table7b);if(a=7)a=0;write_cmd(0x80+13); for(b=0;b3;b+)write_dat(table8b);if(down=0) /減星期delay(5);if(dow

9、n=0)a+;while(!down);if(a=1)write_cmd(0x80+13); for(b=0;b3;b+) write_dat(table8b);if(a=2)write_cmd(0x80+13);for(b=0;b3;b+)write_dat(table7b);if(a=3)write_cmd(0x80+13);for(b=0;b3;b+)write_dat(table6b);if(a=4)write_cmd(0x80+13);for(b=0;b3;b+)write_dat(table5b);if(a=5)write_cmd(0x80+13);for(b=0;b3;b+)wr

10、ite_dat(table4b);if(a=6)write_cmd(0x80+13); for(b=0;b3;b+)write_dat(table3b);if(a=7)a=0;write_cmd(0x80+13); for(b=0;b0;x-) for(y=110;y0;y-);void write_cmd(unsigned char cmd) rs=0;rw=0;delay(2);lcd_data=cmd;delay(2);en=1;delay(2);en=0;void write_dat(unsigned char dat)rs=1;rw=0;delay(2);lcd_data=dat;delay(2);en=1;delay(2);en=0;void init_lcd(void)guanled();guandz();write_cmd(0x38);write_cmd(0x0c);