液晶显示程序2.doc

#include #include #define uchar unsigned charvoid lcd_ini();void ascii_change(void);void delay();void wri_add(uchar com);void wri_dat(uchar com1);void shan(void);void disp();void tkey(void);sbit cs=P17;sbit sid=P16;sbit sclk=P15;bit flag=1; uchar dat,count,f=1;/f测试哪个单元为当前闪烁状态 uchar data clock3=23,45,12;uchar code clockname10=北京时间:;uchar data num6;/*主程序*/void main()lcd_ini();count=10;/机器周期为1us,每次定时50ms,此变量用来控制循环次数,在下面赋值为20,共定时1秒TMOD=0x01;TL0=0XB0;TH0=0X3C;EA=1;ET0=1;IT0=1;EX0=1;TR0=1;while(1)back:ascii_change();disp();delay();if(flag=1)goto back;tkey();shan();delay();/*lcd初始化*/void lcd_ini()wri_add(0x30);delay();wri_add(0x0c);delay();wri_add(0x01);delay();wri_add(0x06);delay();/*定时程序*/void timer1() interrupt 1 using 2TL0=0XB0;TH0=0X3C;count-;if(count=0) count=10; clock2+;/秒/ else goto out; if(clock2=60) clock2=0; clock1+;/分/ if(clock1=60) clock1=0; clock0+; if(clock0=24)/时/ clock0=0; out:_nop_();/*十位个位转换成ASCII码*/void ascii_change(void) num5=clock2-(clock2/10)*10+0x30; num4=clock2/10+0x30; num3=clock1-(clock1/10)*10+0x30; num2=clock1/10+0x30; num1=clock0-(clock0/10)*10+0x30; num0=clock0/10+0x30;/*廷时程序*/ void delay() uchar i,j; for (i=250;i0;i-) for (j=250;j0;j-);/*Write address*/void wri_add(uchar com)uchar i,j,k;cs=0;cs=1;dat=0xf8;for(i=1;i=8;i+) sid=(bit)(dat&0x80); sclk=0; sclk=1; sclk=0; dat=dat1;dat=com;dat=dat&0xf0;for(j=1;j=8;j+)sid=(bit)(dat&0x80); sclk=0; sclk=1; sclk=0; dat=dat1;dat=com;dat=_cror_(dat,4);/ 此为高低四位交换dat=dat&0xf0;for(k=1;k=8;k+) sid=(bit)(dat&0x80); sclk=0; sclk=1; sclk=0; dat=dat1; /*Write data*/void wri_dat(uchar com1)uchar i,j,k;cs=0;cs=1;dat=0xfa;for(i=1;i=8;i+) sid=(bit)(dat&0x80); sclk=0; sclk=1; sclk=0; dat=dat1; dat=com1; dat=dat&0xf0; for(j=1;j=8;j+) sid=(bit)(dat&0x80); sclk=0; sclk=1; sclk=0; dat=dat1;dat=com1; dat=_cror_(dat,4);/ 此为高低四位交换dat=dat&0xf0;for(k=1;k=8;k+) sid=(bit)(dat&0x80); sclk=0; sclk=1; sclk=0; dat=dat1; /*display program*/void disp()uchar i,k=0;wri_add(0x80);for (i=1;i=9;i+)wri_dat(clocknamei-1);wri_add(0x90);for (i=1;i=6;i+)k+;if(k=3|k=5)wri_dat(clockname8);/时间之间的冒号。wri_dat(numi-1);/*闪烁程序*/void shan(void)uchar i,k=0;wri_add(0x90);if(f=1)num0= ;num1= ;elsegoto next; for (i=1;i=6;i+)k+;if(k=3|k=5)wri_dat(clockname8);/时间之间的冒号。wri_dat(numi-1);goto return1;next: if(f=2)num2= ;num3= ;elsegoto next1; for (i=1;i=6;i+)k+;if(k=3|k=5)wri_dat(clockname8);/时间之间的冒号。wri_dat(numi-1);goto return1;next1: if(f=3)num4= ;num5= ;elsegoto return1; for (i=1;i=6;i+)k+;if(k=3|k=5)wri_dat(clockname8);/时间之间的冒号。wri_dat(numi-1);return1:_nop_();/*外部中断*/void intr0() interrupt 0 using 2flag=flag;/判断是否闪烁位/TR0=TR0; /闪关定时否则开定时f=1; /*按键程序*/void tkey(void) uchar judcekey; judcekey=P1&0x0f; if(judcekey=0x0f) goto return2; /*移位键*/ if (judcekey=0x0e) f+; if (f=4) f=1; /*加一键*/ if(judcekey=0x0d) clockf-1+; if (f=1) if (clockf-1=24) clockf-1=0; else if (clockf-1=