1、uchar naozhong7=35,32,16,27,2,7,11;uchar flag,flag1,flag2;uchar code table0= - - ;uchar code table1= : void lcd_com(uchar);void lcd_date(uchar);void lcd_time(uchar,uchar);void write_ds1302(uchar add,uchar date);uchar read_ds1302(uchar add);void read_rtc();void set_ds1302(uchar add,uchar time);void d
2、isplay();void init_ds1302();void main() wela=1; P1=0xff; wela=0; init(); init_ds1302(); while(1) if(flag1=1) naozhongscan(); read_rtc(); if(flag=0) display(); keyscan(); void init() flag=0; flag1=0; flag2=0; lcden=0; lcdwr=0; num2=0; num3=0; num4=0; lcd_com(0x38);/显示模式设置,16*2显示,5*7点阵,8位数据接口 lcd_com(
3、0x01);/清屏,显示、指针清零 lcd_com(0x0c);/显示开关及光标设置,开显示,显示光标,光标闪烁 lcd_com(0x06);/读写后指针加一光标加一 lcd_com(0x80);/从第一个显示地址开始显示 for(num0=0;num016;num0+) lcd_date(table0num0); lcd_com(0x80+0x40);11; lcd_date(table1num0);void init_ds1302() uchar i,j; uchar flag3; flag3=read_ds1302(0x81); if(flag3&0x80)/如果ch=1则进行初始化 w
4、rite_ds1302(0x8e,0x00); for(i=0;i0;x-) for(y=z;yy-); void didi() nz=0; delay(50); nz=1; delay(100);void lcd_com(uchar com) lcdrs=0; P0=com; delay(5); lcden=1;void lcd_date(uchar date) lcdrs=1; P0=date;void lcd_time(uchar add,uchar Date) uchar shi,ge; shi=Date/10; ge=Date%10; lcd_com(0x80+add); lcd_d
5、ate(0x30+shi); lcd_date(0x30+ge); void keyscan() ajjd=0; if(num3!=2) if(k1=0) delay(5); if(k1=0) while(!k1); num2+; if(num2=1) flag=1; lcd_com(0x80+lcd_date_add0); lcd_com(0x0f); if(num2=2) lcd_com(0x80+lcd_date_add1); if(num2=3) lcd_com(0x80+lcd_date_add2); if(num2=4) lcd_com(0x80+lcd_date_add3); i
6、f(num2=5) lcd_com(0x80+lcd_date_add4); if(num2=6) lcd_com(0x80+lcd_date_add5); if(num2=7) lcd_com(0x80+lcd_date_add6); if(num2=8) lcd_com(0x0c);/关光标 num2=0; flag=0; if(num2!=0) if(k2=0) if(k2=0)k2); if(num2=1) date0+; if(date0=60) date0=0; _nop_(); lcd_time(lcd_date_add0,date0); set_ds1302(date_writ
7、e_add0,date0); if(num2=2) date1+; if(date1=60) date1=0; lcd_time(lcd_date_add1,date1); set_ds1302(date_write_add1,date1); if(num2=3) date2+; if(date2=24) date2=0; lcd_time(lcd_date_add2,date2); set_ds1302(date_write_add2,date2); if(num2=4) date3+; if(date3=32) date3=1; lcd_time(lcd_date_add3,date3);
8、 set_ds1302(date_write_add3,date3); if(num2=5) date4+; if(date4=13) date4=1; lcd_time(lcd_date_add4,date4); set_ds1302(date_write_add4,date4); if(num2=6) date5+; if(date5=8) date5=1; lcd_time(lcd_date_add5,date5); set_ds1302(date_write_add5,date5); if(num2=7) date6+; if(date6=99) date6=1; lcd_time(l
9、cd_date_add6,date6); set_ds1302(date_write_add6,date6); if(k3=0) if(k3=0)k3); date0-; if(date0=-1) date0=59; lcd_time(lcd_date_add2,date0); date1-; if(date1=-1) date1=59; date2-; if(date2=-1) date2=23; date3-; if(date3=0) date3=31; date4-; if(date4=0) date4=12; date5-; if(date5=0) date5=7; date6-; i
10、f(date6=0) date6=99; if(k4=0) delay(5); if(k4=0) while(!k4); num3+; if(num3=1) flag1=1; lcd_com(0x80+1); lcd_date(0x41); if(num3=2) ajjd=0; flag1=0; if(num4=0) for(num0=0; lcd_time(lcd_date_addnum0,naozhongnum0); lcd_com(0x80+1); lcd_com(0x0c); lcd_date(0x42); /lcd_com(0x0f); flag=1; if(k1=0) delay(
11、5); if(k1=0) while(! num4+; if(num4=1) lcd_com(0x80+lcd_date_add0); lcd_com(0x0f); if(num4=2) lcd_com(0x80+lcd_date_add1); if(num4=3) lcd_com(0x80+lcd_date_add2); if(num4=4) lcd_com(0x80+lcd_date_add3); if(num4=5) lcd_com(0x80+lcd_date_add4); if(num4=6) lcd_com(0x80+lcd_date_add5); if(num4=7) lcd_co
12、m(0x80+lcd_date_add6); if(num4=8) lcd_com(0x0c); num4=0; flag=1; if(num4! if(k2=0) if(k2=0) if(num4=1) naozhong0+; if(naozhong0=60) naozhong0=0; _nop_(); lcd_time(lcd_date_add0,naozhong0); if(num4=2) naozhong1+; if(naozhong1=60) naozhong1=0; lcd_time(lcd_date_add1,naozhong1); if(num4=3) naozhong2+; if(naozhong2=24) naozhong2=0; lcd_time(lcd_date_add2,naozhong2); if(num4=4) naozhong3+; if(naozhong3=32) naozhong3=1; lcd_time(lcd_date_add3,naozhong3); if(num4=5) naozhong4+; if(naozhong4=13) naozhong4=1; lcd_time(lcd_date_add4,naozhong4);
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