t6963.h

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//////////////////////////////////////////////////////////////////////////
//       LCD 驱动程序: Display        字符:8*8 汉字16*16
//       本库函数适用于所有 T6963 控制的LCD(通用函数)
//       用户可以修改有关数据,以适应具体的LCD
//       修改库函数,将有关 WindowsLineDot,WindowColumnDot,LineChar的计算简化,可以提高速度
//       可修改的地方由 //?? 标记

#include  "absacc.h"
#include  "math.h"


#include  "ASCII816.h" //字符点阵库 0x20--0x7F

#include  "HZTable.h"  //汉字点阵库(自做)
#include  "menu.h"  //汉字点阵库(自做)

#include "intrins.h"

sbit P3_1 = P3^1;


//set following data by user according to LCD
#define   ComPort       0xB101
#define   DataPort      0xB000
#define   GraphAddr     0x0000      //head of graph

//以8*8字符计算,显示屏横向、纵向可以显示的字符个数
//以240*128为例:
#define   LineChar      30   //一行16个字符(8*8)
#define   ColumnChar    16   //总共16列


//指令,数据 读写状态检查
#define  RWCheck()    {  unsigned char   sta;   do{ sta=XBYTE[ComPort] & 0x03; } while(sta!=0x03);  }
//数据自动读 状态检查
#define  AutoRCheck() {  unsigned char   sta;   do{ sta=XBYTE[ComPort] & 0x04; } while(sta!=0x04);  }
//数据自动写 状态检查
#define  AutoWCheck() {  unsigned char   sta;	do{ sta=XBYTE[ComPort] & 0x08; } while(sta!=0x08);  }

/*------输入/出函数,与T6963通讯------------------------------------------------*/
/*------------------------------------------------------------------------*/

// 向数据口发Data
#define  OutPortData(dat )   { P2=0xFF;  RWCheck();  XBYTE[DataPort]=dat; }

//写有 1 个参数命令
#define  OutPortCom1(command) { P2=0xFF;  RWCheck();  XBYTE[ComPort]= command; }

//写有 2 个参数命令
#define  OutPortCom2(dat, command)  { P2=0xFF; OutPortData(dat); OutPortCom1(command); }

//写有 3 个参数命令
#define  OutPortCom3(data1, data2, command) { P2=0xFF; OutPortData(data1); OutPortData(data2); OutPortCom1(command);}


unsigned char  InPortData()  { RWCheck();   return(XBYTE[DataPort]); }

void ClearWork(unsigned int StartAddr,unsigned char K,unsigned char H);

delay(unsigned int t)
{
 while(t--);
}

/*-----------------------------------------------------------------------------------*/
//显示8*16字符
//lin:行(0-7), column: 列(0-15)
//ch:字符代码(标准ASCII码)
void ShowChar(unsigned char lin,unsigned char column,unsigned char ch)
{
  unsigned char i;
  unsigned char dat;
  unsigned int  StartAddr;

  StartAddr=lin*LineChar +column;  //定位起始行

  for(i=0;i<16;i++)
     {
       dat=ASCII816[ ch-0x20 ][i];
       OutPortCom3( (unsigned char)(StartAddr), (unsigned char)(StartAddr>>8), 0x24); //set address
       OutPortCom2( dat, 0xc4);

       StartAddr=StartAddr + LineChar;
     }
}



/*----------------------------------------------------------------------------------------------*/
//显示一个汉字(16*16点阵)
//lin:行(0-7), column: 列(0-7)
//hzcode: 汉字代码(自定义的)
void ShowHZ(unsigned char lin,unsigned char column,unsigned int hzcode)
{
  unsigned char i;
  unsigned int StartAddr;

  StartAddr=lin*LineChar + column;  //定位起始行

  for(i=0;i<16;i++)
     {
       OutPortCom3( (unsigned char)(StartAddr), (unsigned char)(StartAddr>>8), 0x24);
       OutPortCom2( HZTable[hzcode][i*2], 0xc0);     //左半部  地址加一
       OutPortCom2( HZTable[hzcode][i*2+1], 0xc4);   //右半部  字模地址加一

       StartAddr=StartAddr + LineChar;
     }
}
/*-----------------------------------------------------------------------------------*/
//显示一行字符串(汉字,字母混排,一行16字节)
//lin:行
//lineheadaddr: 此行汉字代码区首地址
/*
void ShowLine(unsigned char lin,unsigned char column,unsigned char linehead[])
{
  unsigned char i,j;
  unsigned char byte;
  unsigned int hzcode;

  for( i= column,j=0; i< column+14 ; )
     {  byte=linehead[j];
        if(byte < 0x80)  //字母
          {
            ShowChar(lin, i , byte);
            i=i+1;j=j+1;
          }
        else    // byte >= 0x80(汉字)
          {
            byte=byte & 0x7f;  //最高位置0,即:减去0x8000
            hzcode=byte*256 + linehead[j+1]; //加低8位,组合成整型数地址
            ShowHZ( lin,i,hzcode);
            i=i+2;j=j+2;
          }
    }
}
*/
/*-----------------------------------------------------------------------------------*/
//显示一屏汉字
//pageheadaddr:此屏汉字代码地址区首地址
/*
void ShowPage(unsigned char pagehead[][16])
{ unsigned char i,j;
  ClearWork(641,100,18);
  for(i=29,j=0;i<=101;i+=18,j++)    ShowLine(i,11,pagehead[j]); //1行8个汉字,16字节
}
*/

/*----------------------------------------------------------------------------------------------------*/
//反显一个字符
//lin:行(0-7), column: 列(0-15)
void ReverseShowChar(unsigned char lin,unsigned char column)
{
  unsigned char i;
  unsigned char dat;
  unsigned int  StartAddr;

  StartAddr=lin*LineChar +column;  //定位起始行

  for(i=0;i<16;i++)
     {
       OutPortCom3( (unsigned char)(StartAddr), (unsigned char)(StartAddr>>8), 0x24); //set address
       OutPortCom1( 0xc5 );  //数据一次读，地址不变
       dat=InPortData();     //读入数据
       dat=~dat;             //取反
       OutPortCom2( dat, 0xc4); //送回

       StartAddr=StartAddr+ LineChar;
     }
}


/*----------------------------------------------------------------------------------------------------*/
//反显一个汉字
//lin:行(0-7), column: 列(0-15)
/*void ReverseShowHZ(unsigned char lin,unsigned char column)
{
  ReverseShowChar(lin,column);
  ReverseShowChar(lin,column+1);
}*/
/*----------------------------------------------------------------------------------------------------*/
//反显一行汉字
//lin:行(0-7)
/*void ReverseShowLine(unsigned char lin)
{
  unsigned char column;
  for(column=0; column< ColumnChar; column++)  ReverseShowChar(lin,column);
}

*/
//////////////////////////////////////////////////////////////////////////////////////
void ShowPicture(unsigned char Startline,unsigned char Startcolumn,unsigned char LineWidth,unsigned char ColumnWidth,unsigned int address)
{
    unsigned char i,j;
    unsigned int StartAddr;

    StartAddr=Startline*LineChar + Startcolumn;  //定位起始位置

    for(i=0;i<ColumnWidth;i++)
       {

          OutPortCom3( (unsigned char)(StartAddr), (unsigned char)(StartAddr>>8), 0x24); //set address
          for(j=0;j<LineWidth;j++)
             {
                OutPortCom2( CBYTE[address + i*LineWidth+ j ], 0xc0);
             }
          StartAddr=StartAddr + LineChar;
       }
}

////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
/////////////////////////////////////////////////////////////////////////////
//图形函数,用于描点画图
//---------------------------------------------------------------------------
//在指定位置显示一个点
//如果显示屏超过了256*256,请修改这个函数 PointX,PointY的类型
//Mode   1:显示  0:清除该点
Pixel(unsigned char PointX,unsigned char PointY, bit Mode)
{
      unsigned int StartAddr=0;
      unsigned char dat;

      StartAddr=PointX*LineChar + PointY/8;
      dat=0xf0+7-PointY%8;
      if(Mode)  dat=dat|0x08;

      OutPortCom3( (unsigned char)(StartAddr),(unsigned char)(StartAddr>>8),0x24 ); //设置该点所在单元地址
      OutPortCom1(dat);
}

//-------------------------------------------------------------------------------
//划线函数
void Line( unsigned char x1, unsigned char y1, unsigned char x2, unsigned char y2, bit Mode)
{
   unsigned char x,y;
   double k,b;

  if( abs(y1-y2) <= abs(x1-x2) )  // |k|<=1
    {
         k=(float)(y2-y1) / (float)(x2-x1) ;
         b=y1-k*x1;

         if( x1 <= x2 )
            {
                for(x=x1;x<=x2;x++)
                    {
                      y=k*x+b;
                      Pixel(x, y, Mode);
                    }
            }
         else
            {
              for(x=x2;x<=x1;x++)
                 { y=k*x+b;
                   Pixel(x, y, Mode);
                 }
           }
    }
  else   // abs(y1-y2) > abs(x1-x2)  |K|>1
    {
         k=(float)(x2-x1) / (float)(y2-y1) ;
         b=x1-k*y1;

         if( y1 <= y2 )
           {
             for(y=y1;y<=y2;y++)
                 { x=k*y+b;
                   Pixel( x , y,Mode );
                 }
           }
         else
           {
             for(y=y2;y<=y1;y++)
                {  x=k*y+b;
                   Pixel( x , y,Mode );
                }
          }
     }
}



/*---------------------------------------------------------------------------------------------------*/
void ClearScreen()
{

  unsigned  int i;
  /////////  清显示 RAM 区   0000h--2000h  (8k)
  OutPortCom3(0x00,0x00,0x24);  //设置指针地址0000H

  OutPortCom1(0xb0);            //设置自动写状态
  for(i=0x00;i<0x2000;i++)  OutPortData(0x00);      // data=0;
  OutPortCom1(0xb2);            // 自动写结束
}

//初始化LCD
//需要手动设置
void InitLCD()
{
       OutPortCom3( 0x00,0x00,0x42 );       //设置图形显示区域首地址GraphAddr
       OutPortCom3(   30,0x00,0x43 );   //设置图形显示区域宽度 : LineChar

//       OutPortCom3( 0x00,0x00,0x42 );    //设置图形显示区域首地址GraphAddr
//       OutPortCom3( 0x10,0x00,0x43);                      //设置图形显示区域宽度:10H

       OutPortCom1(0xa7);               //设置光标形状 cursor size 8x8
       OutPortCom1(0x80);               //设置显示方式:  CGROM方式 文本\图形 "或"
       OutPortCom1(0x98);               //设置显示开关:  1001 1100 图形

       ClearScreen();
}

//清除任意区域       // strataddr开始地址 = 开始的行数*30+开始的列数   k=高度  h=宽度
void ClearWork(unsigned int StartAddr,unsigned char K,unsigned char H)
{
    unsigned char i,j;

    for(i=0;i<K;i++)
       {

          OutPortCom3( (unsigned char)(StartAddr), (unsigned char)(StartAddr>>8), 0x24); //set address
          for(j=0;j<H;j++)
             {
                OutPortCom2( 0, 0xc0);
             }
          StartAddr=StartAddr + 30;
       }
}

//反显任意区域     // strataddr开始地址 = 开始的行数*30+开始的列数    k=高度  h=宽度
void ReverseWork(unsigned int StartAddr,unsigned char K,unsigned char H)
{
  unsigned char i,j,dat;

    for(i=0;i<K;i++)
       {

          OutPortCom3( (unsigned char)(StartAddr), (unsigned char)(StartAddr>>8), 0x24); //set address
          for(j=0;j<H;j++)
             {
                OutPortCom1( 0xc5 );  //数据一次读，地址不变
                dat=InPortData();     //读入数据
                dat=~dat;
                OutPortCom2( dat, 0xc0);
             }
          StartAddr=StartAddr + 30;
       }
}

/*
restrest()  //液晶刷新
{
 P3_1=0;
 _nop_();   _nop_();   _nop_();   _nop_();   _nop_();   _nop_();   _nop_();   _nop_();   _nop_();   _nop_();   _nop_();
 P3_1=1;
 _nop_();   _nop_();   _nop_();   _nop_();   _nop_();   _nop_();   _nop_();   _nop_();   _nop_();   _nop_();   _nop_();
 OutPortCom1(0x98);
}
*/