单片机坐标240x128液晶t6963控制器驱动程序（c51）.txt

240x128液晶T6963控制器驱动程序（C51）。功能较强

                        240x128液晶T6963控制器驱动程序（C51）

                  /*------------------------------------------------------------------------------------------
                  
                  ===========================================================================================*/ 

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

                  #include "ASCII816.h" //标准ASCII库
                  #include "HZTable.h"  //汉字点阵库(自做)
                  #include "menu.h"     //菜单库(自做)
                  #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 ) { RWCheck(); XBYTE[DataPort]=dat; }
                  //写有 1 个参数命令
                  #define OutPortCom1(command) { RWCheck(); XBYTE[ComPort]= 
                  command; }
                  //写有 2 个参数命令
                  #define OutPortCom2(dat, command) { OutPortData(dat); 
                  OutPortCom1(command); }
                  //写有 3 个参数命令
                  #define OutPortCom3(data1, data2, command) { 
                  OutPortData(data1); OutPortData(data2); OutPortCom1(command);}

                  unsigned char InPortData() { RWCheck(); 
                  return(XBYTE[DataPort]); }
                  /*-----------------------------------------------------------------------------------*/
                  //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 ShowHZD(unsigned char lin,unsigned char column,unsigned 
                  int hzcode)
                  {
                  unsigned char i,j;
                  unsigned int StartAddr;
                  StartAddr=lin*LineChar*16 +column; //定位起始行
                  for(i=0;i<35;i++)
                  {
                  OutPortCom3( (unsigned char)(StartAddr), (unsigned 
                  char)(StartAddr>>8), 0x24); //定位当前操作位置
                  for(j=0;j<5;j++) OutPortCom2( HZTable[hzcode][i*5+j], 0xc0); 
                  //显示当前一行
                  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 lin,unsigned char column1,unsigned 
                  char pagehead[][14])
                  {
                  unsigned char i;
                  for(i=0;i< 4 ;i++)
                  ShowLine((lin+i*20),column1,pagehead[i]); //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();
                  }

                  /***************************************************************************************/
                  /***************************************************************************************/
                  /***************************************************************************************/