//杭州佳显科技有限公司液晶驱动例程
//型号：HGF035-320*240
#include <absacc.h>
//#include "delay.h"
//#include "Pictures.h"
#include <reg52.h>
#include <intrins.h>


#define uchar unsigned char
#define uint  unsigned int
#define ulong unsigned long




sbit  rs=P3^0;
sbit  cs=P3^4;
sbit  wr=P3^1;
sbit  rd=P3^3;
sbit  INT=P3^6;
sbit LCD_RST  =P3^5; //L有效


#define DATA_BUS P0




unsigned int X1,Y1,X2,Y2,X3,Y3,X4,Y4;
uchar taby[4];
uchar tabx[4];
uint x[6],y[6],xmin,ymin,xmax,ymax;


//#define uchar      unsigned char
//#define uint       unsigned int
//#define ulong      unsigned long


#define color_brown   0x40c0
#define color_black   0x0000
#define color_white   0xffff
#define color_red     0xf800
#define color_green   0x07e0
#define color_blue    0x001f
#define color_yellow  color_red|color_green
#define color_cyan    color_green|color_blue
#define color_purple  color_red|color_blue






/**  延时子程序**/
void Delay1ms(uint t)   //12M晶振大约延时1ms
{uint i,j;
for(i=0;i<t;i++)
for(j=0;j<109*2;j++)
_nop_();
}


void LCD_CmdWrite(unsigned char Cmd)
{
  rd = 1;
  cs = 0;
  rs = 1;
  DATA_BUS = Cmd;
  wr = 0;
  wr = 1;
  cs= 1;
  DATA_BUS = 0xff;
  rs = 0;
  /*
//6800模式
  cs =0; // chip enable.
  wr = 0; //
  rs = 1; // rs = 0;
  DATA_BUS = Cmd;
  rd = 1; //
  ;
  ;
  rd = 0; //
  cs =1; // chip disable.
*/
}


void LCD_DataWrite(unsigned char Data)
{
  rd = 1;
  cs = 0;
  rs = 0;
  DATA_BUS = Data;
  wr = 0;
  wr = 1;
  cs = 1;
  DATA_BUS = 0xff;
  rs = 1;
  /*
//6800模式
  cs =0; // chip enable.
  wr = 0; //
  rs = 1; // rs = 0;
  DATA_BUS = Data;
  rd = 0; //
  ;
  ;
  rd = 0; //
  cs =1; // chip disable
*/
}


//***********************写指令
void Write_Dir(uchar Cmd,uchar Data)
{
  LCD_CmdWrite(Cmd);
  LCD_DataWrite(Data);
}


//***********************读状态
uchar LCD_StatusRead(void)
{
  uchar Data;
  cs = 0;
  rs= 1;
  wr = 1;
  rd = 0;
  Data = DATA_BUS;
  rd = 1;
  cs= 1;
  DATA_BUS = 0xff;
  rs = 0;
  return Data;
  /*
//6800模式
  uchar reg_rddata;
  DATA_BUS = 0xff;
  cs =0; // chip enable.
  wr = 1; //
  rs = 1; //
  rd = 1; // rd = 0;
  reg_rddata = DATA_BUS;
  ;
  ;
  rd = 0; // rd = 1;
  cs =1; // chip disable.
  return(reg_rddata);
  */
}


//***********************读数据
uchar LCD_DataRead(void)
{


  uchar Data;
  wr = 1;
  cs = 0;
  rs = 0;
  rd = 0;
  Data = DATA_BUS;
  rd = 1;
  cs = 1;
  rs = 1;
  return Data;
/*
//6800模式
  uchar reg_rddata;
  DATA_BUS = 0xff;
  cs =0; // chip enable.
  wr = 1; //
  rs = 0; //
  rd = 1; // rd = 0;
  reg_rddata = DATA_BUS;
  ;
  ;
  rd = 0; // rd = 1;
  cs =1; // chip disable.
  return(reg_rddata);
  */
}


//*********LCD复位
void LCD_Reset(void)
{
LCD_RST = 0;
Delay1ms(10);
LCD_RST = 1;
Delay1ms(10);
}


//*********测忙函数组（status register)
/*D7:Memory Read/Write Busy (Include Font Write Busy) 0 : No Memory Read/Write event. 1 : Memory Read/Write busy.
  D6: BTE Busy 0 : BTE is done or idle. 1 : BTE is busy.
  D5:Touch Panel Event Detected 0 : Touch Panel is not touched. 1 : Touch Panel is touched.
  D4:Sleep Mode Status 0: RA8875 in Normal mode. 1: RA8875 in Sleep mode.
  D3~D1:NC
  D0:Serial Flash/ROM Busy Serial Flash/ROM busy status at Direct Access Mode
*/


void Chk_Busy(void)
{
uchar temp;
do
{
temp=LCD_StatusRead();
}while((temp&0x80)==0x80);
}


void Chk_BTE_Busy(void)
{
uchar temp;
do
{
temp=LCD_StatusRead();
}while((temp&0x40)==0x40);
}


void Chk_DMA_Busy(void)
{
uchar temp;
do
{
LCD_CmdWrite(0xBF);
temp =LCD_DataRead();
}while((temp&0x01)==0x01);
}


//********倍频设置
void PLL_ini(void)
{
    LCD_CmdWrite(0x88);
    LCD_DataWrite(0x0a);
    Delay1ms(1);
    LCD_CmdWrite(0x89);
    LCD_DataWrite(0x02);
    Delay1ms(1);
}


//********液晶初始化
void LCD_Initial(void)
{
    PLL_ini();
LCD_CmdWrite(0x10); //SYSR   bit[4:3]=00 256 color  bit[2:1]=  00 8bit MPU interface
LCD_DataWrite(0x0c); //                 1x 64k color             1x 16bit


LCD_CmdWrite(0x04);   //PCLK
LCD_DataWrite(0x03);  //11b: PCLK period = 8 times of System Clock period.
Delay1ms(10);
//Horizontal set
LCD_CmdWrite(0x14); //HDWR//Horizontal Display Width Setting Bit[6:0] (320/8-1)
LCD_DataWrite(0x27); //Horizontal display width(pixels) = (HDWR + 1)*8       0x3b
LCD_CmdWrite(0x15); //HNDFCR//Horizontal Non-Display Period fine tune Bit[3:0]
LCD_DataWrite(0x02); //(HNDR + 1)*8 +HNDFCR 0x00~0x07
LCD_CmdWrite(0x16); //HNDR//Horizontal Non-Display Period Bit[4:0]
LCD_DataWrite(0x03); //Horizontal Non-Display Period (pixels) = (HNDR + 1)*8+HNDFTR  0x00~0x1f
LCD_CmdWrite(0x17); //HSTR//HSYNC Start Position[4:0]
LCD_DataWrite(0x01); //HSYNC Start Position(pixels) = (HSTR + 1)*8
LCD_CmdWrite(0x18); //HPWR//HSYNC Polarity ,The period width of HSYNC.
LCD_DataWrite(0x03); //HSYNC Width [4:0]   HSYNC Pulse width(pixels) = (HPWR + 1)*8


//Vertical set
LCD_CmdWrite(0x19); //VDHR0 //Vertical Display Height Bit [7:0]
LCD_DataWrite(0xef); //Vertical pixels = VDHR + 1 0xef
LCD_CmdWrite(0x1a); //VDHR1 //Vertical Display Height Bit [8]
LCD_DataWrite(0x00); //Vertical pixels = VDHR + 1 0x00
LCD_CmdWrite(0x1b); //VNDR0 //Vertical Non-Display Period Bit [7:0]
LCD_DataWrite(0x0F); //Vertical Non-Display area = (VNDR + 1)
LCD_CmdWrite(0x1c); //VNDR1 //Vertical Non-Display Period Bit [8]
LCD_DataWrite(0x00); //Vertical Non-Display area = (VNDR + 1)
LCD_CmdWrite(0x1d); //VSTR0 //VSYNC Start Position[7:0]
LCD_DataWrite(0x0e); //VSYNC Start Position(PCLK) = (VSTR + 1)
LCD_CmdWrite(0x1e); //VSTR1 //VSYNC Start Position[8]
LCD_DataWrite(0x00); //VSYNC Start Position(PCLK) = (VSTR + 1)
LCD_CmdWrite(0x1f); //VPWR //VSYNC Polarity ,VSYNC Pulse Width[6:0]
LCD_DataWrite(0x01); //VSYNC Pulse Width(PCLK) = (VPWR + 1)


//LCD_CmdWrite(0x04); //PCLK
//LCD_DataWrite(0x01); //




}


//********设置工作窗口区域
void Active_Window(uint XL,uint XR ,uint YT ,uint YB)
{
uchar temp;
    //setting active window X
temp=XL;
    LCD_CmdWrite(0x30);//HSAW0
LCD_DataWrite(temp);
temp=XL>>8;
    LCD_CmdWrite(0x31);//HSAW1
LCD_DataWrite(temp);


temp=XR;
    LCD_CmdWrite(0x34);//HEAW0
LCD_DataWrite(temp);
temp=XR>>8;
    LCD_CmdWrite(0x35);//HEAW1
LCD_DataWrite(temp);


    //setting active window Y
temp=YT;
    LCD_CmdWrite(0x32);//VSAW0
LCD_DataWrite(temp);
temp=YT>>8;
    LCD_CmdWrite(0x33);//VSAW1
LCD_DataWrite(temp);


temp=YB;
    LCD_CmdWrite(0x36);//VEAW0
LCD_DataWrite(temp);
temp=YB>>8;
    LCD_CmdWrite(0x37);//VEAW1
LCD_DataWrite(temp);
}


//********BTE背景颜色设置
void Text_Background_Color1(uint b_color)
{


LCD_CmdWrite(0x60);//BGCR0
LCD_DataWrite((uchar)(b_color>>11));


LCD_CmdWrite(0x61);//BGCR0
LCD_DataWrite((uchar)(b_color>>5));


LCD_CmdWrite(0x62);//BGCR0
LCD_DataWrite((uchar)(b_color));
}


//********BTE背景颜色设置2
void Text_Background_Color(uchar setR, setG, setB)
{
    LCD_CmdWrite(0x60);//BGCR0
LCD_DataWrite(setR);


    LCD_CmdWrite(0x61);//BGCR0
LCD_DataWrite(setG);


    LCD_CmdWrite(0x62);//BGCR0
LCD_DataWrite(setB);
}


//********BTE前景颜色设置
void Text_Foreground_Color1(uint b_color)
{


LCD_CmdWrite(0x63);//BGCR0
LCD_DataWrite((uchar)(b_color>>11));


LCD_CmdWrite(0x64);//BGCR0
LCD_DataWrite((uchar)(b_color>>5));


LCD_CmdWrite(0x65);//BGCR0
LCD_DataWrite((uchar)(b_color));
}


//********BT前景颜色设置2
void Text_Foreground_Color(uchar setR,setG,setB)
{
    LCD_CmdWrite(0x63);//BGCR0
LCD_DataWrite(setR);


    LCD_CmdWrite(0x64);//BGCR0
LCD_DataWrite(setG);


    LCD_CmdWrite(0x65);//BGCR0·
LCD_DataWrite(setB);
}
//***********************BTE区域大小设置
void BTE_Size(width,height)
{
    uchar temp;
temp=width;
    LCD_CmdWrite(0x5c);//BET读写区域宽度
LCD_DataWrite(temp);
temp=width>>8;
    LCD_CmdWrite(0x5d);//BET读写区域宽度
LCD_DataWrite(temp);


temp=height;
    LCD_CmdWrite(0x5e);//BET读写区域高度
LCD_DataWrite(temp);
temp=height>>8;
    LCD_CmdWrite(0x5f);//BET读写区域高度
LCD_DataWrite(temp);
}


//***********************BTE起始位置设置
void BTE_Source(uint SX,uint DX ,uint SY ,uint DY)
{
uchar temp,temp1;


temp=SX;
    LCD_CmdWrite(0x54);//BTE读取数据水平位置
LCD_DataWrite(temp);
temp=SX>>8;
    LCD_CmdWrite(0x55);//BET读取数据水平位置
LCD_DataWrite(temp);


temp=DX;
    LCD_CmdWrite(0x58);//BET写入目标水平位置
LCD_DataWrite(temp);
temp=DX>>8;
    LCD_CmdWrite(0x59);//BET写入目标水平位置
LCD_DataWrite(temp);


temp=SY;
    LCD_CmdWrite(0x56);//BTE读取数据垂直位置
LCD_DataWrite(temp);
temp=SY>>8;
    LCD_CmdWrite(0x57);
temp1 = LCD_DataRead();
temp1 &= 0x80;
    temp=temp|temp1;
LCD_CmdWrite(0x57);//BTE读取数据垂直位置
LCD_DataWrite(temp);


temp=DY;
    LCD_CmdWrite(0x5a);//BTE写入数据垂直位置
LCD_DataWrite(temp);
temp=DY>>8;
    LCD_CmdWrite(0x5b);
temp1 = LCD_DataRead();
temp1 &= 0x80;
temp=temp|temp1;
LCD_CmdWrite(0x5b);//BTE写入数据垂直位置
LCD_DataWrite(temp);
}
//********内存写入位置
void MemoryWrite_Position(uint X,uint Y)
{
uchar temp;


temp=X;
    LCD_CmdWrite(0x46);
LCD_DataWrite(temp);
temp=X>>8;
    LCD_CmdWrite(0x47);
LCD_DataWrite(temp);


temp=Y;
    LCD_CmdWrite(0x48);
LCD_DataWrite(temp);
temp=Y>>8;
    LCD_CmdWrite(0x49);
LCD_DataWrite(temp);
}


//********文字写入位置
void FontWrite_Position(uint X,uint Y)
{
uchar temp;
temp=X;
    LCD_CmdWrite(0x2A);
LCD_DataWrite(temp);
temp=X>>8;
    LCD_CmdWrite(0x2B);
LCD_DataWrite(temp);


temp=Y;
    LCD_CmdWrite(0x2C);
LCD_DataWrite(temp);
temp=Y>>8;
    LCD_CmdWrite(0x2D);
LCD_DataWrite(temp);
}


//****************输入字符
void String(uchar *str)
{
    Write_Dir(0x40,0x80);//设置字符模式
LCD_CmdWrite(0x02);
while(*str != '\0')
{
LCD_DataWrite(*str);
++str;
Chk_Busy();
}
}


//****************输入256色16*16图片
void show_pic(void)
{ 
     uint i; 
     Write_Dir(0x40,0x00);//设置字符模式 MWCR0,1:文本0：绘图
     LCD_CmdWrite(0x02);//MRWC
for(i=0;i<512;i++)
{
//  LCD_DataWrite(pic[i]);  
 Chk_Busy();
}
} 






//****************光标显示位置
void Cursor_Position(uint X,uint Y)
{
uchar temp;
temp=X;
    LCD_CmdWrite(0x80);//GCHP0
LCD_DataWrite(temp);
temp=X>>8;
    LCD_CmdWrite(0x81);//GCHP1
LCD_DataWrite(temp);


temp=Y;
    LCD_CmdWrite(0x82);//GCVP0
LCD_DataWrite(temp);
temp=Y>>8;
    LCD_CmdWrite(0x83);//GCVP1
LCD_DataWrite(temp);
}


//****************卷动窗口大小
void Scroll_Window(uint XL,uint XR ,uint YT ,uint YB)
{
uchar temp;
temp=XL;
    LCD_CmdWrite(0x38);//HSSW0
LCD_DataWrite(temp);
temp=XL>>8;
    LCD_CmdWrite(0x39);//HSSW1
LCD_DataWrite(temp);


temp=XR;
    LCD_CmdWrite(0x3c);//HESW0
LCD_DataWrite(temp);
temp=XR>>8;
    LCD_CmdWrite(0x3d);//HESW1
LCD_DataWrite(temp);


temp=YT;
    LCD_CmdWrite(0x3a);//VSSW0
LCD_DataWrite(temp);
temp=YT>>8;
    LCD_CmdWrite(0x3b);//VSSW1
LCD_DataWrite(temp);


temp=YB;
    LCD_CmdWrite(0x3e);//VESW0
LCD_DataWrite(temp);
temp=YB>>8;
    LCD_CmdWrite(0x3f);//VESW1
LCD_DataWrite(temp);
}


//****************窗口卷动偏移量设置
void Scroll(uint X,uint Y)
{
uchar temp;


temp=X;
    LCD_CmdWrite(0x24);//HOFS0
LCD_DataWrite(temp);
temp=X>>8;
    LCD_CmdWrite(0x25);//HOFS1
LCD_DataWrite(temp);


temp=Y;
    LCD_CmdWrite(0x26);//VOFS0
LCD_DataWrite(temp);
temp=Y>>8;
    LCD_CmdWrite(0x27);//VOFS1
LCD_DataWrite(temp);
}




void main(void)
{
    uint i;
    Delay1ms(100);
LCD_Reset();
LCD_Initial();


Write_Dir(0X01,0X80);//开启显示
Active_Window(0,319,0,239);//设置工作窗口大小
while(1)
{
    Text_Foreground_Color1(color_white);//前景颜色设定
Text_Background_Color1(color_blue);//背景颜色设定
Write_Dir(0X8E,0X80);//开始清屏(显示窗口)
    Chk_Busy();
//********PWM背光控制测试********
LCD_CmdWrite(0x8a);//PWM控制设置
LCD_DataWrite(0x81);//开启PWM
   Write_Dir(0x8b,0x00);//背光亮度调节
Delay1ms(1000);
   Write_Dir(0x8b,0x4F);//背光亮度调节
Delay1ms(1000);
    Write_Dir(0x8b,0x8F);//背光亮度调节
Delay1ms(1000);
   Write_Dir(0x8b,0xff);//背光亮度调节
   Delay1ms(1000);


//********内部输入字符测试********
    Text_Foreground_Color1(color_yellow);//前景颜色设定
    Write_Dir(0x2E,0x01);//设置字符模式16x16/间距1
    Write_Dir(0x40,0x80);//设置字符模式
    Write_Dir(0x21,0x10);//设置为直接输入ASII码
    FontWrite_Position(20,10);//文字写入位置
    Write_Dir(0x22,0x05);//文字功能：放大2倍 FNCR1
    String("www.tsingtek.com");
Write_Dir(0x22,0x00);
    Delay1ms(1000);




    Write_Dir(0X8E,0X80);//开始清屏(显示窗口)
    Chk_Busy();


//********外部字符功能测试********
Active_Window(0,319,0,239);//设置工作窗口大小
    Write_Dir(0x20,0x00);
Write_Dir(0x21,0x20);//选择外部字库
Write_Dir(0x06,0x03);//设置FLASH频率
Write_Dir(0x2E,0x80);//设置字符模式32x32/间距0
Write_Dir(0x2F,0x81);//设置字符IC
Write_Dir(0x05,0x08);//设置SROC
Write_Dir(0x22,0x00);

FontWrite_Position(0,84);//文字写入位置
    Write_Dir(0x40,0x80);//设置字符模式 MWCR0,1:文本0：绘图
    LCD_CmdWrite(0x02);//写入数据命令
    String("杭州清达光电技术有限公司");


Text_Foreground_Color1(color_brown);//前景颜色设定
Write_Dir(0x2E,0x40);//设置字符模式16x16/间距1
    FontWrite_Position(0,132);//文字写入位置
String("TEL:0571-85121224");
FontWrite_Position(0,154);//文字写入位置
String("FAX:0571-85121304");
FontWrite_Position(0,178);//文字写入位置
String("EMAIL:sale@tsingtek.com");
FontWrite_Position(250,202);//文字写入位置
String("ADD：费家塘路588号");


        Delay1ms(1000);


Write_Dir(0x21,0x00);//复原寄存器
Write_Dir(0x2F,0x00);//复原寄存器
      




    Write_Dir(0X8E,0X80);//开始清屏(显示窗口)
    Chk_Busy();


//********显示一张256色16*16图片******   
   MemoryWrite_Position(80,80);
   Active_Window(0,319,0,239);   
   show_pic(); 


   Delay1ms(1000);


}


}