//----------------------------------------------------
// Shenzhen TOPWAY Technology Co.,Ltd.
// LCD Module:        LM32019C
// Display Size:      320x240 dots
// Controller:        T8000
// by:                GuoQ
// Date:              2010-11-3
// note:  set RD=1
//----------------------------------------------------
#include <reg52.h>
#include <intrins.h>
#include <string.h>

#define uchar unsigned char //  8bit, 0 ~           255
#define uint  unsigned int  // 16bit, 0 ~        65,535
#define ulong unsigned long // 32bit, 0 ~ 4,294,967,295

uchar Picgray; // high 4 bits = Font gray,low 4 bits = Ground gray
#define LCDBUS    P1

sbit A1      = P3^6;
sbit _WR     = P3^7;
sbit _RD     = P3^1;
sbit _CS     = P3^4;
sbit _RES     = P3^5;

//-----------------------------------
// delayms routine
//-----------------------------------
void delayms(uint m)        // 12MHz Xtal, close to ms value
{
    uint j;
    uint i;
    
    for(i=0; i<m; i++)
        for(j=0; j<109; j++)
            _nop_();
}

//-----------------------------------
//// driving program
//-----------------------------------
//---send single instruction------------------------
void SdCmd(uchar Command)
{
    A1 = 0;                 // select register
    LCDBUS = Command;       // send command & data to interface
    _CS = 0;                // select module
    _WR = 0;                // write process
    _WR = 1;
    _CS = 1;                // 
}
//-----send end code ---------------------------
void CmdEnd()
{
    A1 = 1;                 //select end register
    LCDBUS = 1;             // wirte 01H to interface
    _CS = 0;                // select module
    _WR = 0;                // write process
    _WR = 1;
    _CS = 1;                //
}
//------send instruction package----------------------------
void WritePKG(uchar *pkg)
{
    uchar i;

    for(i=*pkg;i;i--)       // set data number
        SdCmd(*(++pkg));    // write command & data
    CmdEnd();               // write end code
    delayms(2);
}



//-----------------------------------
// set gray program 
//  four gary:00 black、01 light gary 10 deep gary 11 white
//-----------------------------------

void SetFgColor(uint color)
{
    uchar Buffer[4];

    Buffer[0]=3;
    Buffer[1]=0x20;
    Buffer[2]=color;
    Buffer[3]=color>>8;
    WritePKG(Buffer);
    Picgray=(Picgray&0x0f)|(color<<4);
}
//-----------------------------------------
void SetFontFgColor(uint color)
{
    uchar Buffer[4];

    Buffer[0]=3;
    Buffer[1]=0x14;
    Buffer[2]=color;
    Buffer[3]=color>>8;
    WritePKG(Buffer);
}
//---------------------------------------
void SetFontBgColor(uint color)
{
    uchar Buffer[4];

    Buffer[0]=3;
    Buffer[1]=0x15;
    Buffer[2]=color;
    Buffer[3]=color>>8;
    WritePKG(Buffer);
    Picgray=(Picgray&0xf0)|color;
}



//-----------------------------------
//character write program
//-----------------------------------
//--------ASCII code write--------------
void PrintASCII(uint X, Y, uchar *pstr)
// x value must be  the time of 4
{  
    uchar TempData[3], Buffer[6], NoOfChar;

    TempData[0]=2;      // 
    TempData[1]=0x10;
    TempData[2]=0x00;
    WritePKG(TempData);

    Buffer[0]=5;        // 
    Buffer[1]=0x12;
    Buffer[2]=X;
    Buffer[3]=X>>8;
    Buffer[4]=Y;
    Buffer[5]=Y>>8;
    WritePKG(Buffer);

    NoOfChar=strlen(pstr);  //
    SdCmd(0x17);            // 
    SdCmd(NoOfChar);
    while(*pstr>0)
    {
        SdCmd(*pstr++);
    }
    CmdEnd();
} 
//-----chinese code write ------------------
void PrintGB(uint X, Y, uchar *pstr)
// x value must be  the time of 4
{  
    uchar Buffer[6];
    uint NoOfChar;
    Buffer[0]=2;        //
    Buffer[1]=0x10;
    Buffer[2]=0x04;
    WritePKG(Buffer);

    Buffer[0]=5;        // 
    Buffer[1]=0x12;
    Buffer[2]=X;
    Buffer[3]=X>>8;
    Buffer[4]=Y;
    Buffer[5]=Y>>8;
    WritePKG(Buffer);

    NoOfChar=strlen(pstr); //


    SdCmd(0x17);           // 
    SdCmd(NoOfChar/2);     // 
    

    while(*pstr>0)
    {
        SdCmd(*pstr++);

    }
    CmdEnd();
    delayms(3);            //
} 

 

//--------fill in full screen------------
void Fill_Rect(uint x1, y1, x2, y2)
{
    uchar Buffer[10];

    Buffer[0]=9;
    Buffer[1]=0x27;       //
    Buffer[2]=x1;         //
    Buffer[3]=x1>>8;
    Buffer[4]=y1;
    Buffer[5]=y1>>8;
    Buffer[6]=x2;
    Buffer[7]=x2>>8;
    Buffer[8]=y2;
    Buffer[9]=y2>>8;
    WritePKG(Buffer);
    delayms(20);
}

//-----------------------------------
// Display set
//-----------------------------------
void LogoScreen(void)
{
 
   SetFgColor(0);      Fill_Rect(  0,  0,320,240);     //fill the full screen


    SetFontFgColor(3);SetFontBgColor(0);
    PrintGB(  48,  16, "深圳市拓普微科技开发有限公司");
    PrintASCII(40,40, "  TOPWAY Technology Co,. Ltd  ");
    SetFontFgColor(2);SetFontBgColor(0);
    PrintGB(  0,  64, "　　　　　ＬＭ３２０１９Ｃ　　　　　　");
    PrintASCII(  12,  88, " 320 x 240 Pixels   T8000 Controller ");
    SetFgColor(1);      Fill_Rect( 45, 100,260,180);   delayms(10);
    SetFontFgColor(3);SetFontBgColor(1);
    PrintGB(  48, 103, "＊　图形加速器");
    PrintGB(  48, 123, "＊　中文国标字库");
    PrintGB(  48, 143, "＊　简捷的与单片机系统接口");
    PrintGB(  48, 163, "＊　４级灰度显示　等功能");
    SetFontFgColor(1);SetFontBgColor(2);
    PrintGB(  0,  207, "Ｔ８０００是当今国内功能最强液晶显示控制");
    PrintGB(  0,  223, "器适应ＱＶＧＡ单色ＬＣＤ在单片机系统应用");

}

//---------------------------------------------
//inital program
//---------------------------------------------
//-----------ROM SET------------------------
uchar code Set_F504[]={4,0x83,0x04,0xf5,0x44}; // 
uchar code Set_F505[]={4,0x83,0x05,0xf5,0x80};  
uchar code Set_F6C4[]={4,0x83,0xc4,0xf6,0x10};  
//----------STN  SET-------------------------
uchar code Set_F08B[]={4,0x83,0x8b,0xf0,0x00};// 
uchar code Set_F08C[]={4,0x83,0x8c,0xf0,0x00};//
uchar code Set_F08D[]={4,0x83,0x8d,0xf0,0x00};//
uchar code Set_F08E[]={4,0x83,0x8e,0xf0,0x32}; //
uchar code Set_F088[]={4,0x83,0x88,0xf0,0x50};
uchar code Set_F089[]={4,0x83,0x89,0xf0,0xfa};
//---------CLOCK SET----------------------------
uchar code Set_8F[]={7,0x8f,0x69,0x45,0x61,0x67,0x6c,0x65};
//----------------------------------------------
//----inital program-------------------------
void initLCDM(void)
{
//------ ROM SET-----------------
    WritePKG(Set_F504);
    WritePKG(Set_F505);
    WritePKG(Set_F6C4);
//------ STN SET-----------------
    WritePKG(Set_F088);
    WritePKG(Set_F089);
    WritePKG(Set_F08E);
//------ CLOCK SET---------------
     WritePKG(Set_8F);
}

//-----------------------------------
// Main Program
//-----------------------------------
void main()
{

//  uint i,j;
//  uchar Buffer[5];
  SP=0x60;
    EA=0;
    
    LCDBUS=0xff;    // init all the port
    _CS=1;
   _RES=1;
    A1=0;
    _WR=1;
    _RD=1;
    _RES=1; 
    _RES=0; delayms(2);
    _RES=1; delayms(800);

 initLCDM();
      LogoScreen();  
      while(1)
     {
      }
}