5408.c

手机显示屏的初始化原代码,包括显示一些单色画面,平台是KEIL C51

//**********************************************************
// S9155 version 01
// data 20070208
//******************************************************************
#include "reg51.h"
#include <intrins.h>

#define    DBH    P0
#define    DBL    P1
/****DEMO 标准接口 *******/

sbit       LCD_CS =P3^5;  //模组片选信号引脚
sbit       LCD_RES=P3^4;  //模组复位信号引脚
sbit       LCD_RS =P3^2;  //模组命令/数据信号引脚
sbit       LCD_WR =P3^1;  //模组写信号引脚
sbit       LCD_RD =P3^0;


sbit       COE=P2^6;//FLASH 数据输出选择脚
sbit       DOE=P2^7;//单片机数据输出选择脚
/*************************/
sbit       AD18=P3^7;
sbit       AD17=P3^6;
sbit       AD16=P3^3;
sbit       set5 =P2^0;


void  Delay(unsigned int t)
{
	unsigned int n,m;
	for(n=0;n<t;n++)
        for(m=0;m<1000;m++);
}





void WAIT_KEY(void)
{
 repeat:

  	if (set5&0x01) goto repeat;
   	else Delay(4);
  	if (set5&0x01) goto repeat;
   	else
   	set5=1;
}









void showpic1()
{
   unsigned int i;
    AD16=0;
    AD17=0;
    AD18=0;
    LCD_RS = 1;
    LCD_CS = 0; 
       DOE=1;  
    COE=0;
     for(i=0;i<0xffff;i++)
    {
       
   DBL = i;
   DBH = i>>8;
   

   LCD_WR = 0;
   LCD_WR = 1;

    }
   DBL = 0xff;
   DBH = 0xff;
   LCD_WR = 0;
   LCD_WR = 1;
   
    AD16=1;
    AD17=0;
    AD18=0;
    for(i=0x0000;i<0x2c00;i++)
    {
   DBL = i;
   DBH = i>>8;
   
   LCD_WR = 0;
   LCD_WR = 1;
    }
   COE=1;
   LCD_CS = 1;
}




void showpic2()
{
   unsigned int i;
    AD16=1;
    AD17=0;
    AD18=0;
    LCD_RS = 1;
    LCD_CS = 0; 
       DOE=1;  
    COE=0;
     for(i=0x2c00;i<0xffff;i++)
    {
       
   DBL = i;
   DBH = i>>8;
   

   LCD_WR = 0;
   LCD_WR = 1;

    }
   DBL = 0xff;
   DBH = 0xff;
   LCD_WR = 0;
   LCD_WR = 1;
   
    AD16=0;
    AD17=1;
    AD18=0;
    for(i=0x0000;i<0x5800;i++)
    {
   DBL = i;
   DBH = i>>8;
   
   LCD_WR = 0;
   LCD_WR = 1;
    }
   COE=1;
   LCD_CS = 1;
}
/*********写寄存器ID的子程序*********************/
void LCD_WRITE_COMMAND(unsigned int COMMAND)
{
  COE=1;
  DOE=0;
  LCD_RS=0;
  LCD_CS=0; 
  DBL=COMMAND;//*****写寄存器ID的低位***
  DBH=COMMAND>>8;//*****写寄存器ID的高位***/
  LCD_WR=0;  
  LCD_WR=1;  
  LCD_CS=1;  
 }
/*************写数据的子程序**************************/
void LCD_WRITE_DATA(unsigned int REGDATA)
{
  COE=1;
  DOE=0; 
  LCD_RS=1;
  LCD_CS=0;
  DBL=REGDATA;//********写数据的低位**********
  DBH=REGDATA>>8;//********写数据的高位**********
  LCD_WR=0;  
  LCD_WR=1;  
  LCD_CS=1;
}





void wr_com(unsigned int i,unsigned int j)//write command
{  
LCD_WRITE_COMMAND(i);
LCD_WRITE_DATA(j);
}





/****************************************/
void disp(unsigned int C1)//写单色画面
{
  unsigned int i,m;
   COE=1;
  DOE=0;
  LCD_RS=1;
  LCD_CS=0; 
  DBL=C1;//********写数据的低位**********
  DBH=C1>>8;//********写数据的高位*******

  for(i=0;i<320;i++)
		for(m=0;m<240;m++)
        {
  LCD_WR=0;  
  LCD_WR=1;  
        }
  LCD_CS=1;
}



 
void disp_snow(void)//雪花画面
{
 unsigned int n,m;
    COE=1;
    DOE=0; 
    LCD_RS=1;
    LCD_CS=0;
   
    DBL = 0;
    DBH = 0;
	    for(n=0;n<320;n++)
		{
	    	for(m=0;m<240;m++) 
            {
                  LCD_WR = 0;    LCD_WR = 1;
	    	      DBL = ~DBL;
                  DBH = ~DBH;
               	  LCD_WR = 0;    LCD_WR = 1;
               	  DBL = ~DBL;
                  DBH = ~DBH;
            }  
                  DBL = ~DBL;
                  DBH = ~DBH;
	    }
	LCD_CS = 1;
}



 void disp_BLACK(void)
{
 unsigned char i;
 unsigned int n;
  COE=1;
  DOE=0;
  LCD_RS=1;
  LCD_CS=0;
 
P0=0xf8,P1=0x00,LCD_WR=0; LCD_WR=1;
for(i=0;i<238;i++){P0=0xFF,P1=0xFF,LCD_WR=0;LCD_WR=1;}
P0=0x00,P1=0x1f,LCD_WR=0;LCD_WR=1;

for(n=0;n<318;n++)//**132
{
P0=0xf8,P1=0x00,LCD_WR=0;LCD_WR=1;
for(i=0;i<238;i++){P0=0x00,P1=0x00,LCD_WR=0;LCD_WR=1;}
P0=0x00,P1=0x1F,LCD_WR=0;LCD_WR=1;
}

P0=0xf8,P1=0x00,LCD_WR=0;LCD_WR=1;
for(i=0;i<238;i++){P0=0xFF,P1=0xFF,LCD_WR=0;LCD_WR=1;}
P0=0x00,P1=0x1F,LCD_WR=0;LCD_WR=1;
LCD_RS=1;
LCD_CS=1;
}




 ////////////////////////

 
void IC_INIT(void)
{
//=======2.8v=============
    wr_com(0x0000,0x0000);
    wr_com(0x0001,0x0100);//0000
     
    wr_com(0x0002,0x0700);
	wr_com(0x0003,0x1030);//d0a0 
	wr_com(0x0004,0x0000);
	wr_com(0x0008,0x0207);
	
	wr_com(0x0009,0x0000);
	wr_com(0x000a,0x0000);

	wr_com(0x000C,0x0000);
	wr_com(0x000D,0x0000);
	wr_com(0x000F,0x0000);
	
	wr_com(0x0007,0x0101);
    wr_com(0x0010,0x12b0);
	wr_com(0x0011,0x0007);
	wr_com(0x0017,0x0001);
	Delay(200);//200
	
	wr_com(0x0012,0x01bb);
	wr_com(0x0013,0x1c00);
	Delay(50);
	
	wr_com(0x0029,0x0019);//0012
	Delay(50);
	
	wr_com(0x0030,0x0102);
	Delay(50);
	

    wr_com(0x0031,0x0c21);//0c20
    wr_com(0x0032,0x0b22);//0b21
    
    wr_com(0x0033,0x2610);//250f
    
    
    wr_com(0x0034,0x1e0b);//1d0b
   wr_com(0x0035,0x0a04);
    wr_com(0x0036,0x1701);
    wr_com(0x0037,0x0617);
    wr_com(0x0038,0x0305);
    wr_com(0x0039,0x0a05);
    
    wr_com(0x003a,0x0c04);//0f04
    wr_com(0x003b,0x0c00);//0f00
    wr_com(0x003c,0x000c); //000f
	 wr_com(0x003d,0x050c);//050f

    wr_com(0x003e,0x0204); 
	wr_com(0x003f,0x0404);
	wr_com(0x0050,0x0000);
	wr_com(0x0051,0x00ef);
	wr_com(0x0052,0x0000);	
	wr_com(0x0053,0x013F);
	
	wr_com(0x0060,0x2700);
	wr_com(0x0061,0x0001);	
	wr_com(0x006A,0x0000);
	
	wr_com(0x0080,0x0000);
	wr_com(0x0081,0x0000);
	wr_com(0x0082,0x0000);
	wr_com(0x0083,0x0000);
	wr_com(0x0084,0x0000);
	wr_com(0x0085,0x0000);

	wr_com(0x0090,0x0010);
	wr_com(0x0092,0x0000);
	wr_com(0x0093,0x0103);
	wr_com(0x0095,0x0210);
	wr_com(0x0097,0x0000);
	wr_com(0x0098,0x0000);
	wr_com(0x00f0,0x5408);
	wr_com(0x00f3,0x0005);
   wr_com(0x00f4,0x001f);
   wr_com(0x00f0,0x0000);
   wr_com(0x0007,0x0173);
     
  LCD_WRITE_COMMAND(0x22);


} 



/****************主程序开始******************/
void main(void)
{
   P0=0xff;
    P1=0xff;
	P2=0xff;
	P3=0xff;
   LCD_RES=1;
   Delay(10);
   LCD_RES=0;
   Delay(20);
   LCD_RES=1;
   Delay(10);

  
    IC_INIT(); 
  
  while(1)
   {
    
     disp_BLACK();
	 WAIT_KEY();
     disp(0xffff);        
     WAIT_KEY();
    disp_snow();           
     WAIT_KEY();       //雪花
     disp(0xF800);       
     WAIT_KEY();       //全蓝
     disp(0x07E0);       
     WAIT_KEY();       //全蓝
     disp(0x001F);       
     WAIT_KEY();       //全蓝
     showpic1();  
      WAIT_KEY(); 
       showpic2();  
      WAIT_KEY(); 
	}
}