12864汉字液晶显示--按键电子时钟程序

#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=P1^7;sbit sid=P1^6;sbit sclk=P1^5;bit flag=1;uchar dat,count,f=1;//f测试哪个单元为当前闪烁状态  uchar data clock[3]={23,45,12};uchar code clockname[10]={"北京时间:"};  uchar data num[6];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(); }} void lcd_ini(){ wri_add(0x30); delay(); wri_add(0x0c); delay(); wri_add(0x01); delay();  wri_add(0x06); delay();}   void timer1() interrupt 1 using 2{ TL0=0XB0; TH0=0X3C; count--; if(count==0) {  count=10;  clock[2]++;//秒//  }  else  goto out;  if(clock[2]==60)  {   clock[2]=0;   clock[1]++;//分//   }  if(clock[1]==60)  {   clock[1]=0;   clock[0]++;   }    if(clock[0]==24)//时//  clock[0]=0;    out:_nop_();} void ascii_change(void) {   num[5]=clock[2]-(clock[2]/10)*10+0x30;   num[4]=clock[2]/10+0x30;   num[3]=clock[1]-(clock[1]/10)*10+0x30;   num[2]=clock[1]/10+0x30;   num[1]=clock[0]-(clock[0]/10)*10+0x30;   num[0]=clock[0]/10+0x30; }   void delay(){  uchar i,j;  for (i=250;i>0;i--)  for (j=250;j>0;j--);}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=dat<<1;} dat=com; dat=dat&0xf0; for(j=1;j<=8;j++){ sid=(bit)(dat&0x80);  sclk=0;  sclk=1;  sclk=0;  dat=dat<<1; } 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=dat<<1;  } }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=dat<<1;}  dat=com1;  dat=dat&0xf0;  for(j=1;j<=8;j++){  sid=(bit)(dat&0x80);  sclk=0;  sclk=1;  sclk=0;  dat=dat<<1; } 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=dat<<1;  } }          void disp(){ uchar i,k=0; wri_add(0x80); for (i=1;i<=9;i++) wri_dat(clockname[i-1]); wri_add(0x90); for (i=1;i<=6;i++) { k++; if(k==3||k==5) wri_dat(clockname[8]);//时间之间的冒号。 wri_dat(num[i-1]); }}void shan(void){ uchar i,k=0; wri_add(0x90); if(f==1) { num[0]=' '; num[1]=' '; } else goto next;  for (i=1;i<=6;i++) { k++; if(k==3||k==5) wri_dat(clockname[8]);//时间之间的冒号。 wri_dat(num[i-1]); }goto return1;next: if(f==2) { num[2]=' '; num[3]=' '; } else goto next1;  for (i=1;i<=6;i++) { k++; if(k==3||k==5) wri_dat(clockname[8]);//时间之间的冒号。 wri_dat(num[i-1]); }goto return1;next1: if(f==3) { num[4]=' '; num[5]=' '; } else goto return1;  for (i=1;i<=6;i++) { k++; if(k==3||k==5) wri_dat(clockname[8]);//时间之间的冒号。 wri_dat(num[i-1]); } return1:_nop_();}   void intr0() interrupt 0 using 2{flag=~flag;//判断是否闪烁位//TR0=~TR0;  //闪关定时否则开定时f=1;}      void tkey(void){  uchar judcekey;  judcekey=P1&0x0f;  if(judcekey==0x0f)  goto return2;   if (judcekey==0x0e)  f++;  if (f==4)  f=1;   if(judcekey==0x0d)  {clock[f-1]++;}  if (f==1)  { if (clock[f-1]==24){  clock[f-1]=0;}   }  else{  if (clock[f-1]==60)   clock[f-1]=0;   }   if(judcekey==0x0b)  {clock[f-1]--;}  if (f==1)  { if (clock[f-1]==0xff){  clock[f-1]=23;}   }  else   {  if (clock[f-1]==0xff)   clock[f-1]=59;   }  return2:_nop_();    }