ili9320.c

MCU驱动9320IC操作TFT屏显示程序.

// PROGRAM FOR S06007
//TFT 240*320DOTS  ILI9320+CPT2.4 16BITS 2.8V
#include <reg52.h>
#include <math.h>
#include <intrins.h>
//=====================================
sbit 	CS    = P1^7;
sbit    RS    = P1^6;
sbit 	WRITE = P3^6;
sbit 	READ  = P3^7;
sbit    REST  = P3^4;

sbit	G     = P1^5;

sbit    CE1   = P1^3;
sbit    OE    = P1^4;
//sbit    CE2  = P1^4;
sbit    NEXT5  = P3^3;
sbit    A16  = P1^0;
sbit    A17  = P1^1;
sbit    A18  = P1^2;
#define  DP_L		P0
#define  DP_H		P2
//=============================================

//=============================================
void  Delay(unsigned int t)
{
	unsigned int n,m;
	for(n=0;n<t;n++)
		for(m=0;m<1000;m++);
}
//========================================
/*void wr_comm(unsigned int index)
{
	 G=0;
   READ=1;
   RS = 0;
   CS = 0;
   DP_H = 00;//index;
   WRITE = 0;
   _nop_();
   WRITE = 1;
   DP_H = index;
   WRITE = 0;
   _nop_();
   WRITE = 1;
   CS = 1;
}
//========================================
void wr_dat(unsigned int data15)
{
 unsigned int  data1;
   G=0;
   READ=1;
   RS = 1;
   CS = 0;
   data1=data15;

   DP_H = data15>>8;
   WRITE = 0;
   _nop_();
   WRITE = 1;
   DP_H = data1;
   WRITE=0;
   _nop_();
   WRITE=1;
   CS = 1;
}
*/
//========================================
void wr_comm(unsigned int index)
{
   G=0;
   READ=1;
   RS = 0;
   CS = 0;
   DP_L = index;//index;
   DP_H = index>>8;
   WRITE = 0;
   _nop_();
   WRITE = 1;
   CS = 1;
}
//========================================
void wr_dat(unsigned int data15)
{
   G=0;
   READ=1;
   RS = 1;
   CS = 0;
  DP_L = data15;
  DP_H = data15>>8;
   WRITE = 0;
   _nop_();
   WRITE = 1;
   CS = 1;
}
//==============================================================================

//========================================


//========================================
void lcd_int(void)
{
	CS =0;
	REST = 1;
	Delay(1);
	REST = 0;
	Delay(10);
	REST = 1;
	Delay(50);
//=======2.8v=============
    wr_com(0x00E5,0x8000);
    wr_com(0x0000,0x0001);
     
    wr_com(0x0001,0x0100);
	wr_com(0x0002,0x0700); 
	wr_com(0x0003,0x1030);
	wr_com(0x0004,0x0000);
	
	wr_com(0x0008,0x0202);
	wr_com(0x0009,0x0000);
	wr_com(0x000A,0x0000);
	wr_com(0x000C,0x0000);
	wr_com(0x000D,0x0000);
	wr_com(0x000F,0x0000);
	
	wr_com(0x0010,0x0000);
    wr_com(0x0011,0x0007);
	wr_com(0x0012,0x0000);
	wr_com(0x0013,0x0000);
	Delay(100);//200
	
	wr_com(0x0010,0x17B0);
	wr_com(0x0011,0x0007);
	Delay(50);
	
	wr_com(0x0012,0x013A);
	Delay(50);
	
	wr_com(0x0013,0x1A00);
	Delay(50);
	
	wr_com(0x0029,0x000C);
	Delay(50);
	
	wr_com(0x0020,0x0000);
	wr_com(0x0021,0x0000);
	
	wr_com(0x0030,0x0000);
    wr_com(0x0031,0x0505);
    wr_com(0x0032,0x0004);
    
    //wr_com(0x0033,0x0203);
    //wr_com(0x0034,0x0207);
    
    wr_com(0x0035,0x0006);
    wr_com(0x0036,0x0707);
    wr_com(0x0037,0x0105);
    wr_com(0x0038,0x0002);
    wr_com(0x0039,0x0707);
    
    wr_com(0x003C,0x0704);
    wr_com(0x003D,0x0807);
    
    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(0x0090,0x0000);
	wr_com(0x0092,0x0000);
	wr_com(0x0093,0x0003);
	wr_com(0x0095,0x0110);
	wr_com(0x0097,0x0000);
	wr_com(0x0098,0x0000);
	wr_com(0x0007,0x0173);
	
}
//========================================
void Switch()
{
 repeat:
    if (NEXT5&0x01) goto repeat;
   	else Delay(1);
  	if (NEXT5&0x01) goto repeat;
   	else
   	NEXT5=1;
   	wr_com(0x0020,0x0000);
	wr_com(0x0021,0x0000);  
	wr_comm(0x0022);	
 }
/*void pause()									
{
	while(PAUSE);
}*/
//========================================

void dis_color1(unsigned int j)
	  {	
	     unsigned int i,m;
	    wr_com(0x0020,0x0000); 
	    wr_com(0x0021,0x0000);    
    	wr_comm(0x0022);
	     for(i=0;i<320;i++)
		   for(m=0;m<240;m++)
	        	{
		        	wr_dat(j);
		     	}
	   if(NEXT5==0)
 	    {
		Delay(5);
		}
	   
			 }
//========================================


//========================================
void dis_color2(unsigned int i,unsigned int j)
	  {	
	     unsigned int n,m;
	     wr_com(0x0020,0x0000);
	     wr_com(0x0021,0x0000);  
	     wr_comm(0x0022);	
	     for(n=0;n<160;n++)
		{
		  for(m=0;m<240;m++)
	    	  wr_dat(i);
	    	  for(m=0;m<240;m++)
	    	  wr_dat(j); }
	    	//Delay(10);
	    }
//========================================	 
void dis_color3(unsigned int i,unsigned int j)
	  {	
	     unsigned int n,m;
	     wr_com(0x0020,0x0000);
	     wr_com(0x0021,0x0000);  
	     wr_comm(0x0022);	
	     for(n=0;n<160;n++)
		{
		  for(m=0;m<120;m++)
	    	  {wr_dat(i);
	    	 // for(m=0;m<240;m++)
	    	  wr_dat(j);
		      }
	    	  for(m=0;m<120;m++)
	    	  {wr_dat(j);
	    	 // for(m=0;m<240;m++)
	    	  wr_dat(i);
		      }
	    	  }
	if(NEXT5==0)
 	   {
		Delay(5);
		}   	//Delay(10);
	    }
//========================================

//========================================

void main(void)
{
	//G=0;
//NEXT5 = 0;
	lcd_int();
    while(1)
		{	 		    		  	
		  	dis_color1(0x0000);
          
          	 					    		   			
		    dis_color1(0xffff);
         
          		
		    dis_color3(0xffff,0x0000);
		 
			dis_color1(0xf800);
		
		 
			dis_color1(0x07e0);
	 	
		  
		    dis_color1(0x001f);
		  // Switch();
          
			//dis_colorn();
			//Switch();
			
		    dis_bmp1();
		   Switch();
		    		
			//dis_bmp2();
		   // Switch();	
		                    
            
          
		     
		   		 
		}     
}