tft240320-40rj-a.c

控制器为SSD1289的液晶屏驱动程序

/********************************************************
    Initialization for 65K color TFT and CSTN LCD of Truly      
    Main LCD Driver IC :  SSD1289Z
    TFT PANEL:    
    PRO:  
    DATE:
    
      
*******************************************************/

/*-------file needed to be included-----------*/
#include <reg51.h>

/*-----------User define------------*/
#define  Uchar unsigned char

//unsigned char MainLCDIsPowerOn = 0;

/*--------------I/O interface defined------------*/
sbit  main_cs=P3^4;
sbit  rst=P3^3;
sbit  rs=P3^2;
sbit  wrb=P3^0;
sbit  e_rd=P3^1;
//
sbit  KEY=P1^7;
sbit  upctra=P1^5;
sbit  downctra=P1^6;
sbit  mainbl=P1^3;

/*************************function defined declaring**************************/
void Delayus(int value);
void Delayms(int value);
void WaitKey(void);     /*wait to press key for the programm continuing */
void LCD_HardwareReset(void);         /*hardware reset*/
void MainLCD_Init(void);	     /*Initialize Main LCD driver IC*/
void MainLCD_WCom(char cmd2,char cmd1);      /*write instruction to Main LCD's driver IC */
void MainLCD_WData(char data2,char data1);      /*write data to GGRAM of Main LCD's driver IC*/
void MainLCD_DisplaySingleColor(char data1,char data2);  /*write single color to defined area*/
void MainLCD_DispalyRGBW(void);
void DispHGrey(void);                     
void TestCross(void);
void MainLCD_GradualColor(char gradual_color[]);   /*write gradual color*/
void MainLCD_DisplayPicture(void);   /*write image data to GGRAM*/
void MainLCD_DisplayOff(void);
void backlightcontrol(int value);          /*black control*/
/*-----------array defined declaring----------*/
char code Pic1[];                     //image data


/****************************************************************************************/
void main(void)
{
    
     LCD_HardwareReset();
        
     MainLCD_Init();   
        
     backlightcontrol(31);
     while(1)
      {
        MainLCD_DisplaySingleColor(0x7b,0xef); 
    	WaitKey();
	    MainLCD_DisplaySingleColor(0xff,0xff); 
		WaitKey();
        MainLCD_DisplaySingleColor(0x00,0x00); 
		WaitKey();
		MainLCD_DisplaySingleColor(0xf8,0x00); 
		WaitKey();
		MainLCD_DisplaySingleColor(0x07,0xe0); 
		WaitKey();
		MainLCD_DisplaySingleColor(0x00,0x1f); 
		WaitKey(); 
        MainLCD_DispalyRGBW();
        WaitKey();
       // DispHGrey();
        //WaitKey();
       // TestCross();
       // WaitKey();
        MainLCD_DisplayPicture();
        MainLCD_DisplayPicture();
        MainLCD_DisplayPicture();
        MainLCD_DisplayPicture();
        WaitKey();

        
     } //end of while
        
}

/******************************************************************************************/

void LCD_HardwareReset(void)
{   
    
    rst=0;
    Delayms(100);
    rst=1;
    Delayms(100);	
}   

void Delayus(int value)
{   
   while(value)
       { 
	  value--;   /*delay 1us*/  
       }      
}   
     
       
void Delayms(int value)
{  
    while(value)
        {
          Delayus(99);         /*delay 1ms*/
	  value--;
	}
        
}   

void WaitKey(void)
{
   KEY=1;   
   upctra=1;
   downctra=1;
   Delayms(300);
   while(KEY)
    {
       if(!upctra)
          {
             ;   
          }
       if(!downctra)
          {
            ;
          }             
    } 
   
}  
  
/*主屏显示单色 */                                                          /*2byte = 1pixel, RGBRGB... */

void MainLCD_DisplaySingleColor(char data1,char data2)
{
    int i,j;
    MainLCD_WCom(0x00,0x22);
    for(i=0;i<320;i++)
      for(j=0;j<240;j++)
       MainLCD_WData(data1,data2); 

}
void MainLCD_DispalyRGBW(void)
{
    char data1,data2;
    int i,j;
    data1=0xF8;
    data2=0x00;
    MainLCD_WCom(0x00,0x22);
    for(i=0;i<80;i++)
      for(j=0;j<240;j++)
       MainLCD_WData(data1,data2); 
    data1=0x07;
    data2=0xE0;
    for(i=0;i<80;i++)
      for(j=0;j<240;j++)