text1.c

使用C52和4×4键盘实现汉字输入的程序

   {
      ha=find4;
	  hb=ha+sizeof(find4)/sizeof(find4[0]);
   }
   else if(n==5)
   {
      ha=find5;
	  hb=ha+sizeof(find5)/sizeof(find5[0]);
   }
   else if(n==6)
   {
      ha=find6;
	  hb=ha+sizeof(find6)/sizeof(find6[0]);
   }
   while(ha<hb)
   {
      for(i=0;i<n;i++)
	  {
	     if(*(in+i)!=*((*ha).num+i))
		 {
		    break;
		 }
	  }
	  if(i==n&&cx<6)
	  {
	     p[cx]=ha;
		 cx++;
	  }
	  ha++;
   }
   if(cx==0)
   {
     cx=re;
	 length--;
   }
}



void out()
{
   uchar i,locx,locy,j,k,l,aa,bb,max,min;
   aa=cs1_12864;
   bb=cs2_12864;
   if((cx*length)>16)
   {
      if(((staren+1)*length)<=16)
	  {
	     min=0;
		 max=cx;
		 while((max*length)>16)
		    max--;
	  }
	  else
	  {
	     max=cx;
		 min=cx;
		 while((min*length)>16)
		    min--;
	  }
    }
	else
	{  
	   max=cx;
	   min=0;
	}
   cs1_12864=0;
   cs2_12864=1;
   locx=col_12864;
   locy=row_12864+6;
   for(l=min;l<max;l++)
   {
      for(i=0;i<length;i++)
      {
        k=0;
	    write_command_12864(locx);
        write_command_12864(locy);
        for(j=0;j<8;j++)
	    {
		   if(l==staren)
		      write_data_12864(~asc[(*(p[l]->zimu+i)-'a')*16+(k++)]);
		   else
	          write_data_12864(asc[(*(p[l]->zimu+i)-'a')*16+(k++)]);
	    }
	    locy++;
	    write_command_12864(locx);
        write_command_12864(locy);
	    for(j=0;j<8;j++)
	    {
		   if(l==staren)
		      write_data_12864(~asc[(*(p[l]->zimu+i)-'a')*16+(k++)]);
		   else
	          write_data_12864(asc[(*(p[l]->zimu+i)-'a')*16+(k++)]);
	    }
		if(locx>(col_12864+54))
		{
		   cs1_12864=1;
           cs2_12864=0;
		   locx=col_12864;
		}
		else
	       locx+=8;
	    locy--;
      }
   }
   cs1_12864=aa;
   cs2_12864=bb;
}


void outen(struct index *pz,uchar n)
{
   uchar i,locx,locy,j,k,aa,bb;
   aa=cs1_12864;
   bb=cs2_12864;
   cs1_12864=0;
   cs2_12864=1;
   locx=col_12864;
   locy=row_12864+6;
   for(i=0;i<n;i++)
   {
      k=0;
	  write_command_12864(locx);
      write_command_12864(locy);
      for(j=0;j<8;j++)
	  {
	     write_data_12864(asc[(*(pz->zimu+i)-'a')*16+(k++)]);
	  }
	  locy++;
	  write_command_12864(locx);
      write_command_12864(locy);
	  for(j=0;j<8;j++)
	  {
	     write_data_12864(asc[(*(pz->zimu+i)-'a')*16+(k++)]);
	  }
	  locx+=8;
	  locy--;
   }
   cs1_12864=aa;
   cs2_12864=bb;
}


void qing()
{
   uchar i,aa,bb;
   aa=cs1_12864;
   bb=cs2_12864;
   cs1_12864=0;
   cs2_12864=1;
   write_command_12864(col_12864);
   write_command_12864(row_12864+6);
   for(i=0;i<64;i++)
	   write_data_12864(0);
   write_command_12864(col_12864);
   write_command_12864(row_12864+7);
   for(i=0;i<64;i++)
	   write_data_12864(0);
   cs1_12864=1;
   cs2_12864=0;
   write_command_12864(col_12864);
   write_command_12864(row_12864+6);
   for(i=0;i<64;i++)
	   write_data_12864(0);
   write_command_12864(col_12864);
   write_command_12864(row_12864+7);
   for(i=0;i<64;i++)
	   write_data_12864(0);
   cs1_12864=aa;
   cs2_12864=bb;
}

uint minn(uint x)
{
   uint i;
   i=x/6;
   return(i*6);
}


uint maxn(uint x)
{
   uint i;
   i=x/6;
   return(i*6+6);
}


void outch(struct index *pz,uchar n)
{
   uchar i,j,k,aa,bb,l;
   uint min,max;
   aa=cs1_12864;
   bb=cs2_12864;
   cs1_12864=0;
   cs2_12864=1;
   min=minn(n);
   max=maxn(n);
   l=0;
   for(i=min;i<max;i++)
   {
      k=0;
	  if(i==min+4)
	  {
	     cs1_12864=1;
		 cs2_12864=0;
		 l=0;
	  }
      write_command_12864(col_12864+16*l);
      write_command_12864(row_12864+6);
	  for(j=0;j<16;j++)
	  {
	     if(i==n)
	        write_data_12864(~pz->py[i*32+(k++)]);
		 else
		    write_data_12864(pz->py[i*32+(k++)]);
	  }
	  write_command_12864(col_12864+16*l);
      write_command_12864(row_12864+7);
	  for(j=0;j<16;j++)
	  {
	     if(i==n)
	        write_data_12864(~pz->py[i*32+(k++)]);
		 else
		    write_data_12864(pz->py[i*32+(k++)]);
	  }
	  l++;
   }
   cs1_12864=aa;
   cs2_12864=bb;
}


void hanzi()
{
   uchar i,k;
   write_command_12864(row);
   write_command_12864(col);
   k=0;
   for(i=0;i<16;i++)
      write_data_12864(p[staren]->py[starch*32+(k++)]);
   write_command_12864(row+1);
   write_command_12864(col);
   for(i=0;i<16;i++)
      write_data_12864(p[staren]->py[starch*32+(k++)]);
}

void next()
{
   if((col-col_12864)>47)
   {
      if((cs1_12864==0)&&(cs2_12864==1))
	  {
	     cs1_12864=1;
		 cs2_12864=0;
		 col=col_12864;
	  }
	  else
	  {
	     col=col_12864;
		 row+=2;
		 cs1_12864=0;
		 cs2_12864=1;
	  }
   }
   else
     col+=16;
}



main()
{
  uchar i,j,key,input[6];
  TMOD=0x01;
  TH0=0x00;
  TL0=0x00;
  staren=0;
  starch=0;
  dis=0;
  x=0;
  state=0;
  init_lcd_12864();
  row=row_12864+5;
  col=col_12864;
  write_command_12864(row);
  write_command_12864(col);
  for(j=0;j<2;j++)
  {
    for(i=0;i<64;i++)
	  write_data_12864(0x80);
	cs1_12864 =1;cs2_12864=0;  //右屏
	row=row_12864+5;
    col=col_12864;
	write_command_12864(row);
    write_command_12864(col);
  }
  cs1_12864 =0;cs2_12864=1;
  row=row_12864;col=col_12864;
  write_command_12864(row);
  write_command_12864(col);
  TR0=1;
  row=row_12864;
  col=col_12864;
  while(1)
  {
    key=0;
    while(key==0)
	  key=keyscan();
	while(P2!=0xf0)
	  P2=0xf0;
	if(state==0)
	{
	   length=0;
	   staren=0;
	   input[length]=change(key);
	   length++;
	   attempt(input,length);
	   state=1;
	   out();
	}
	else if(state==1)
	{
	   if(key==0x48)
	   {
		  if(staren<cx-1)
		  {
			 staren++;
			 qing();
		     out();
		  }
	   }
	   else if(key==0x88)
	   {
	      if(staren>0)
		  {
		     staren--;
			 qing();
			 out();
		  }
	   }
	   else if(key==0x12)
	   {
	      if(length>0)
		    length--;
		  qing();
		  staren=0;
		  if(length>0)
		  {
		    attempt(input,length);
		    out();
		  }
	   }
	   else if(key==0x11)
	   {
	      if(p[staren]->py!=NULL)
		  {
		     starch=0;
			 qing();
	         outch(p[staren],starch);
		     state=2;
		  }
       }
	   else
	   {
	      staren=0;
	      input[length]=change(key);
	      length++;
	      attempt(input,length);
		  qing();
	      out();
	   }
	}
	else if(state==2)
	{
	   if(key==0x48)
	   {
	      starch++;
		  outch(p[staren],starch);
	   }
	   else if(key==0x88)
	   {
	      if(starch>0)
		  {  
		     starch--;
			 outch(p[staren],starch);
		  }
	   }
	   else if(key==0x12)
	   {
	      qing();
		  out();
		  state=1;
	   }
	   else if(key==0x11)
	   {
           hanzi();
		   qing();
		   state=0;
		   starch=0;
		   staren=0;
		   cx=0;
		   length=0;
		   next();
	   }
	}  	   	  	     
  }
}


void iii(void) interrupt 1 using 1
{
   x++;
   if(x==8)
   {
     dis=~dis;
     write_data_12864(dis);
	 row++;
     write_command_12864(row);
     write_command_12864(col);
     write_data_12864(dis);
	 row--;
	 write_command_12864(row);
     write_command_12864(col);
	 x=0;
   }
}