1602显示时钟.docx

1、1602显示时钟源程序：#includereg52.h#includeintrins.h#define uchar unsigned char#define uint unsigned intuchar tab=0,1,2,3,4,5,6,7,8,9;sbit k1=P10;sbit k2=P11;sbit k3=P12;sbit rs=P20;sbit e=P21;sbit beep=P22;uint count,year=2012,mon=9,day=28,hour=23,min=59,sec=50;/uint colock_year=2012,colock_yue,colock_ri,c

2、olock_hour,colock_min,colock_sec;uchar c;void delay() uchar i; for(i=0;i0;a-) for(b=100;b0;b-);void init_time0() EA=1; ET0=1; TMOD=0x01; TH0=0x4c; TL0=0x00; TR0=1;void write_com(uchar com) rs=0; e=0; _nop_(); _nop_(); P0=com; _nop_(); _nop_(); _nop_(); _nop_(); e=1; _nop_(); _nop_(); _nop_(); _nop_(

3、); e=0;void write_date(uchar date) rs=1; e=0; _nop_(); _nop_(); P0=date; _nop_(); _nop_(); _nop_(); _nop_(); e=1; _nop_(); _nop_(); _nop_(); _nop_(); e=0;void lcd_init() write_com(0x01); delay(); write_com(0x3c); delay(); write_com(0x0c); delay(); write_com(0x06); /delay();void sec_init() write_com(

4、0x3c); delay(); write_com(0x0f); delay(); write_com(0x06); /delay();void time0() interrupt 1 TH0=0x4c; TL0=0x00; count+;void display() if(count=17) count=0; sec+; if(sec=60) sec=0; min+; if(min=60) min=0; hour+; if(hour=24) hour=0; day+; if(mon=1|mon=3|mon=5|mon=7|mon=8|mon=10|mon=12)&day=32) day=1;

5、 mon+; else if(mon=4|mon=6|mon=9|mon=11)&day=31) day=1; mon+; else if(mon=2) if(year/4=0&year/100!=0)|(year/4=0&year/400=0) if(day=30) day=1; mon+; else if(!(year/4=0&year/100!=0)&(year/100=0&year/400=0) if(day28) day=1; mon+; if(mon=13) mon=1; year+; void lcd_display(uint nian,uint yue,uint ri,uint

6、 shi,uint fen,uint miao) write_com(0x80); delay(); write_date(D); delay(); write_date(A); delay(); write_date(T); delay(); write_date(E); delay(); write_date(:); write_date(tabnian/1000); write_date(tabnian%1000/100); /delay(); write_date(tabnian%1000%100/10); /delay(); write_date(tabnian%10); delay

7、(); write_date(-); /delay(); write_date(tabyue/10); /delay(); write_date(tabyue%10); delay(); write_date(-); /delay(); write_date(tabri/10); / delay(); write_date(tabri%10); delay(); write_com(0xc0); delay(); write_date(T); delay(); write_date(I); delay(); write_date(M); delay(); write_date(E); dela

8、y(); write_date(:); write_date( ); write_date(tabshi/10); /delay(); write_date(tabshi%10); delay(); write_date(:); delay(); write_date(tabfen/10); delay(); write_date(tabfen%10); delay(); write_date(:); delay(); write_date(tabmiao/10); delay(); write_date(tabmiao%10); delay();void k1_button() if(!k1

9、) delay5ms(10); while(!k1); delay5ms(10); if(c=1) sec+; if(sec=60) sec=0; if(c=2) min+; if(min=60) min=0; if(c=3) hour+; if(hour=24) hour=0; if(c=4) day+; if(day=32) day=0; if(c=5) mon+; if(mon=13) mon=0; if(c=6) year+; void k2_button() if(!k2) delay5ms(10); while(!k2); delay5ms(10); if(c=1) if(sec0

10、) sec-; if(c=2) if(min0) min-; if(c=3) if(hour0) hour-; if(c=4) if(day0) day-; if(c=5) if(mon0) mon-; if(c=6) if(year2012) year-; void k3_button() if(!k3) delay5ms(10); while(!k3); delay(); TR0=0; c+; while(1) if(!k3) delay5ms(10); while(!k3); delay5ms(10); c+; sec_init(); switch(c) case 1:write_com

11、(0xcc); write_date(tabsec/10); write_date(tabsec%10); k1_button(); k2_button(); break; case 2:write_com(0xc9); write_date(tabmin/10); write_date(tabmin%10); k1_button(); k2_button(); break; case 3:write_com(0xc6); write_date(tabhour/10); write_date(tabhour%10); k1_button(); k2_button(); break; case

12、4:write_com(0x8d); write_date(tabday/10); write_date(tabday%10); k1_button(); k2_button(); break; case 5:write_com(0x8a); write_date(tabmon/10); write_date(tabmon%10); k1_button(); k2_button(); break; case 6:write_com(0x85); write_date(tabyear/1000); write_date(tabyear%1000/100); write_date(tabyear%

13、1000%100/10); write_date(tabyear%10); k1_button(); k2_button(); break; case 7:TR0=1; c=0; break; if(c=0) break; count=0; write_com(0x0c); /*void init0() EA=1; IT0=1; IE0=1; EX0=1;void exter0() interrupt 0 lcd_init(); lcd_display(colock_year,colock_yue,colock_ri,colock_hour,colock_min,colock_sec); k3

14、_button(colock_year,colock_yue,colock_ri,colock_hour,colock_min,colock_sec);void clock() if(colock_year=year&colock_yue=mon&colock_ri=day&colock_hour=hour&colock_min=min) beep=beep; */void main() lcd_init(); init_time0(); while(1) display(); lcd_display(year,mon,day,hour,min,sec); if(!k3) k3_button(); 电路图：