/************************************************************
Author:		chenyi
Title:		LCD1602 Show
Date:		2007.8.16
Software:	Multisim10
************************************************************/
#include "htc.h"
#define A 0x41
//************************定義連接線,P2口的地址為0xA0************
bit Rw @0xa0;
bit Rs @0xa1;
bit E  @0xa2;
//**************************************************************** 
main()
{
 unsigned char i;
// unsigned char j=32;
 unsigned char str1[23]="Self Check is okReady!";
 unsigned char str2[20]="Today is2008.8.17";
 unsigned char str3[23]="email:chyi8558@163.com";
 unsigned char str4[12]="QQ:47119266";
//LCD初始化
 Rw=0;
 Rs=0;

//顯示模式設置
 E=1;
 E=0;
 P0=0x0c; 

//清屏
 E=1;
 E=0;
 P0=0x01;  

//設置功能模式
 E=1;
 E=0;
 P0=0x38;  

//設置輸入模式
 E=1;
 E=0;
 P0=0x06; 

//寫字符
 Rs=1;
 for(i=0;;i++)
 {
   if(str1[i]!='\0')
   {
     if(i==16)
     {  Rs=0; P0=0xc5; E=1; E=0; Rs=1; }
     P0=str1[i]; 
     E=1;
     E=0;
    }
   else
     break;
  }

//寫最后一個字符
/* 
  Rs=0;
  Rw=0;
  P0=(0x80|0x67); //將光標移到最后一個顯示模塊
  E=1;
  E=0;

  Rs=1;
  P0=0x2e;       //寫一個句號
  E=1;
  E=0; */

 while(1)
 {

    //開關1
  if(P10==0)
  {
    //清屏
    Rs=0;
 	P0=0x01;
    E=1;
 	E=0;

    P0=0x84; //將光標移到第5個顯示模塊
    E=1;
    E=0; 

 	Rs=1;
 	for(i=0;;i++)
 	{
   	  if(str2[i]!='\0')
   	  { 
        if(i==8)
        {  Rs=0; P0=0xc3; E=1; E=0; Rs=1; }
     	P0=str2[i]; 
     	E=1;
     	E=0;}
   	  else
     	break;
  	   }
    }

    //開關2
  if(P11==0)
  {
    //清屏
    Rs=0;
 	P0=0x01;
    E=1;
 	E=0;

    P0=0x85; //將光標移到第5個顯示模塊
    E=1;
    E=0; 

 	Rs=1;
 	for(i=0;;i++)
 	{
   	  if(str3[i]!='\0')
   	  { 
        if(i==6)
        {  Rs=0; P0=0xc0; E=1; E=0; Rs=1; }
     	P0=str3[i]; 
     	E=1;
     	E=0;}
   	  else
     	break;
  	   }
    }

    //開關3
  if(P12==0)
  {
    //清屏
    Rs=0;
 	P0=0x01;
    E=1;
 	E=0;

    P0=0x87; //將光標移到第5個顯示模塊
    E=1;
    E=0; 

 	Rs=1;
 	for(i=0;;i++)
 	{
   	  if(str4[i]!='\0')
   	  { 
        if(i==3)
        {  Rs=0; P0=0xc4; E=1; E=0; Rs=1; }
     	P0=str4[i]; 
     	E=1;
     	E=0;}
   	  else
     	break;
  	   }
    }

/*   //字符移動
   Rs=0;
   P0=0b00011100;
   E=1;
   E=0;

   P0=(0x80|0x00); //將光標移到第一個顯示模塊
   E=1;
   E=0;

   Rs=1;
   P0=str1[j-1];*/
   Rw=1;
   E=1;
   E=0;
   Rw=0;
//   j--;
//   if(j==0)
//   { j=32;}
  } //end while
} //end main

//********************************************************************
/*     if(i>=31)
     {
      	//字符移動
   		Rs=0;
   		P0=0b00011000;
   		E=1;
  		E=0;
 		//將光標移到最后一個顯示模塊
  	 	P0=(0x80|0x67); 
   		E=1;
  		E=0;
  		Rs=1;
	  }*/