lgdp4524-2^2-hx8347.c

驱动IC-LG4524的驱动程序。该程序能点亮TFT2。2的LCM

/************************************************
dots		176*220
controller	LGDP4524
interface	8080/16bits   P1-L,P0-H
************************************************/
#include <absacc.h>
#include <reg51.h>
#define uchar unsigned char
#define uint unsigned int
//#define p0XBYTE[0x0000]

sbit cs		=P3^5;
sbit res 	=P3^4;
sbit rs		=P2^3;
sbit wr		=P2^2;
sbit uc4    =P2^7;
sbit uc6    =P2^5;
sbit step= P2^0;

#define		HSIZE		176
#define		VSIZE		220
void dis_bar();
void pause();
void display_image(void);


unsigned char code image[]= {

0x12,
};


void delay(uint t)
{
	uchar t1;
	while(t--)
	for(t1=16;t1>0;t1--) //16
	{;}  //0.1ms
}



void write_data(uchar data_h,data_l)
{
 uc4=0;
 uc6=0;
 cs=0; 
 rs=1;
 P0=data_h;
 P1=data_l;
 wr=0;
 wr=1;
 cs=1;

 }


void write_command1(uchar datac)
{
 uc4=0;
 uc6=0;
 cs=0;
 rs=0;
 P1=datac;
 wr=0;
 wr=1;
 cs=1;

}
void write_command(uchar data_h,data_l)
{
 uc4=0;
 uc6=0; 
 cs=0;
 rs=0;
 //wr=0;
 P0=0x00;
 P1=data_h;
 wr=0;
 //P0=data_l;
 //delay(0);
 wr=1;
 cs=1;

 cs=0;
 rs=1;
 //wr=0;
 P0=0x00;
 P1=data_l;
 wr=0;
 //P0=data_l;
 //delay(0);
 wr=1;
 cs=1;    
 
 }

void initialization()
{
//int p,p1,p2;
res=0;
delay(350);
res=1;
delay(150);
//*********************Initial code******************************
write_command(0x0007,0x0000);
write_command(0x0012,0x0000);
write_command(0x0013,0x0000);
write_command(0x0014,0x0331);
delay(50);
write_command(0x0012,0x0009);
write_command(0x0011,0x0000);
write_command(0x0010,0x0104);
write_command(0x0013,0x0C4A);
write_command(0x0010,0x0144);
write_command(0x0011,0x0200);
write_command(0x0012,0x0019);
delay(50);
write_command(0x0013,0x2C2A);
write_command(0x0010,0x0140);
delay(50);
write_command(0x0060,0x2000);
write_command(0x0060,0x0000);
write_command(0x0061,0x0002);
delay(50);
write_command(0x0001,0x011B);
write_command(0x0002,0x0700);
write_command(0x0003,0x1030);
write_command(0x0009,0x0000);
write_command(0x000B,0x5D2D);
write_command(0x0021,0x0000);
write_command(0x0030,0x0101);
write_command(0x0031,0x0604);
write_command(0x0032,0x0007);
write_command(0x0033,0x0403);
write_command(0x0034,0x0007);
write_command(0x0035,0x0402);
write_command(0x0036,0x0606);
write_command(0x0037,0x0304);
write_command(0x0038,0x070E);
write_command(0x0039,0x070E);
write_command(0x003A,0x0101);
write_command(0x003B,0x0101);
write_command(0x003C,0x0101);
write_command(0x003D,0x0101);
write_command(0x003E,0x0001);
write_command(0x003F,0x0001);
write_command(0x0042,0xDB00);
write_command(0x0044,0xAF00);
write_command(0x0045,0xDB00);
delay(50);
write_command(0x0071,0x0040);
write_command(0x0072,0x0002);
delay(50);
write_command(0x0010,0x3250);
delay(50);
write_command(0x0007,0x0001);
delay(50);
write_command(0x0007,0x0021);
write_command(0x0007,0x0023);
delay(50);
write_command(0x0007,0x0037);
delay(50);
}


void display_rgb(uchar h_data,l_data)
{

	uint i,j;
	//write_command1(0x22);
	for(i=0;i<HSIZE;i++)
		for(j=0;j<VSIZE;j++)
			{
			write_data(h_data,l_data);
			}
	//write_command(0x2c,0x2c);
}


void main()
{
        res=0;
	delay(20);
	res=1;
	delay(200);
	initialization();
	while(1)
	{
        /*display_image();
        delay(200000);
		pause();*/
         dis_bar();
	  	delay(200000);
		pause();
        display_rgb(0xf8,0x00);
		delay(200000);
		pause();
		display_rgb(0x07,0xe0);
		delay(200000);
		pause();
		display_rgb(0x00,0x1f);
		delay(200000);
		pause();
		display_rgb(0x00,0x00);
		delay(200000);
		pause();
                display_rgb(0xff,0xff);
		delay(200000);
       pause();

	}
}

void dis_bar(void)
{
	int i,j,k;

    //write_command1(0x22);

     	          for(i=0;i<22;i++)     //display line
           	{
	                 for(j=0;j<VSIZE;j++)
        		{
		           write_data(0xF8,0x00);
             	        }
	        }

                  for(i=0;i<22;i++)     //display line
           	{
	         	for(j=0;j<VSIZE;j++)
        		{
		        write_data(0x07,0xe0);
             	        }
	        }

		  for(i=0;i<22;i++)     //display line
           	{
	         	for(j=0;j<VSIZE;j++)
        		{
		         write_data(0x00,0x1f);
             	        }
	        }

		  for(i=0;i<22;i++)     //display line
           	{
	         	for(j=0;j<VSIZE;j++)
        		{
		         write_data(0xfc,0x08);

             	        }
	        }

                  for(i=0;i<22;i++)     //display line
           	{
	         	for(j=0;j<VSIZE;j++)
        		{
		         write_data(0xff,0xe0);

             	        }
	        }

                        for(i=0;i<22;i++)     //display line
           	{
	         	for(j=0;j<VSIZE;j++)
        		{
		         write_data(0xff,0xff);

             	        }
	        }

                        for(i=0;i<22;i++)     //display line
           	{
	         	for(j=0;j<VSIZE;j++)
        		{
		         write_data(0xf8,0x1f);

             	        }
	        }

                        for(i=0;i<22;i++)     //display line
           	{
	         	for(j=0;j<VSIZE;j++)
        		{
		         write_data(0x00,0x00);

             	        }
	        }

}


void pause()
{
 	while(!step);
}







/*void display_image(void)
 {
  int i;
  int j;
  int k=0;
  write_command1(0x22);
  for(i=0;i<240;i++)
    {
      for(j=0;j<320;j++)
      {
     write_data(image[k++],image[k]);
      k++;
      }
     }
 // for(i=0;i<128*160;i++)
   // {
   //  write_data(image[i++],image[i]);
   // }

// }

}*/