lcdlib.c

S3C2410 IIC驱动程序,开发板是傅立叶电子的FFT2410

	rLCDCON1|=1; // ENVID=ON
    else
	rLCDCON1 =rLCDCON1 & 0x3fffe; // ENVID Off
}    


void Lcd_Lpc3600Enable(void)
{
    rLPCSEL&=~(7);
    rLPCSEL|=(7); // 640480,Enable LPC3600
}    


void Lcd_PowerEnable(int invpwren,int pwren)
{
    //GPG4 is setted as LCD_PWREN
    rGPGUP=rGPGUP&(~(1<<4))|(1<<4); // Pull-up disable
    rGPGCON=rGPGCON&(~(3<<8))|(3<<8); //GPG4=LCD_PWREN
    //Enable LCD POWER ENABLE Function
    rLCDCON5=rLCDCON5&(~(1<<3))|(pwren<<3);   // PWREN
    rLCDCON5=rLCDCON5&(~(1<<5))|(invpwren<<5);   // INVPWREN
}    


void MoveViewPort(int type)
{
    int vx=0,vy=0,vd;
    vd=(type==MODE_STN_1BIT)*16+(type==MODE_STN_2BIT)*8+(type==MODE_STN_4BIT)*4
        +(type==MODE_CSTN_8BIT)*2+(type==MODE_CSTN_12BIT)*4 
        +(type==MODE_TFT_1BIT_240320)*16+(type==MODE_TFT_8BIT_240320)*2+(type==MODE_TFT_16BIT_240320)*1
        +(type==MODE_TFT_1BIT_640480)*16+(type==MODE_TFT_8BIT_640480)*2+(type==MODE_TFT_16BIT_640480)*1+(type==MODE_TFT_24BIT_640480)/2
        +(type==MODE_TFT_1BIT_800600)*16+(type==MODE_TFT_8BIT_800600)*2+(type==MODE_TFT_16BIT_800600)*1;        
    while(1)
    {
    	switch(Uart_Getch())
    	{
    	case 'i':
	    if(vy>=vd)vy-=vd;    	   	
        break;

    	case 'j':
    	    if(vx>=vd)vx-=vd;
    	break;

    	case 'k':
	    //if((type==MODE_TFT_1BIT_800600)|(type==MODE_TFT_8BIT_800600)|(type==MODE_TFT_16BIT_800600))   
	    if((type&0x4000)&&(type&0x400))		  
	    {
                if(vx<=(SCR_XSIZE_TFT_800600-LCD_XSIZE_TFT_800600-vd))vx+=vd;   	    
	    }
	    //else if((type==MODE_TFT_1BIT_640480)|(type==MODE_TFT_8BIT_640480)|(type==MODE_TFT_16BIT_640480)|(type==MODE_TFT_24BIT_640480))   
	    else if((type&0x4000)&&(type&0x200))		  
	    {
                if(vx<=(SCR_XSIZE_TFT_640480-LCD_XSIZE_TFT_640480-vd))vx+=vd;   	    
	    }
            //else if((type==MODE_TFT_8BIT_240320)|(type==MODE_TFT_16BIT_240320))   
	    else if((type&0x4000)&&(type&0x100)) 
	    {
                if(vx<=(SCR_XSIZE_TFT_240320-LCD_XSIZE_TFT_240320-vd))vx+=vd;   	    
	    }
            //else if((type==MODE_CSTN_8BIT)|(type==MODE_CSTN_12BIT))   
            else if(type&0x2000)   
            {
                if(vx<=(SCR_XSIZE_CSTN-LCD_XSIZE_CSTN-vd))vx+=vd;   	    
            }
            else
            {
                if(vx<=(SCR_XSIZE_STN-LCD_XSIZE_STN-vd))vx+=vd;   	    
            }
   	    break;

    	case 'm':
	    if((type&0x4000)&&(type&0x400))
            {
                if(vy<=(SCR_YSIZE_TFT_800600-LCD_YSIZE_TFT_800600-vd))vy+=vd; 
                else if(vy=592)vy+=8;
            }
	    else if((type&0x4000)&&(type&0x200))
            {
                if(vy<=(SCR_YSIZE_TFT_640480-LCD_YSIZE_TFT_640480-vd))vy+=vd;   	    
            }
	    else if((type&0x4000)&&(type&0x100))
            {
                if(vy<=(SCR_YSIZE_TFT_240320-LCD_YSIZE_TFT_240320-vd))vy+=vd;   	    
            }
            else if(type&0x2000)   
            {
                if(vy<=(SCR_YSIZE_CSTN-LCD_YSIZE_CSTN-vd))vy+=vd;   	    
            }
            else
            {
                if(vy<=(SCR_YSIZE_STN-LCD_YSIZE_STN-vd))vy+=vd;   	    
            }
   	    break;

    	case '\r':
   	    return;

    	default:
	    break;
		}
	Uart_Printf("vx=%3d,vy=%3d\n",vx,vy);
	Lcd_MoveViewPort(vx,vy,type);
    }
}


void Lcd_MoveViewPort(int vx,int vy,int type)
{
    U32 addr;
    switch(type)
    {
    case MODE_STN_1BIT:
    	// LCDBASEU,LCDBASEL register has to be changed before 12 words before the end of VLINE.
    	// In mono mode, x=320 is 10 words, So, We can't change LCDBASEU,LCDBASEL 
    	// during LINECNT=1~0 at mono mode. 
	// The processor mode should be superviser mode.  
    	SET_IF();
	#if (LCD_XSIZE_STN<512)
    	    while((rLCDCON1>>18)<=1); // if x<512
   	#else	
    	    while((rLCDCON1>>18)==0); // if x>512 ((12+4)*32) 
    	#endif
	addr=(U32)frameBuffer1Bit+(vx/8)+vy*(SCR_XSIZE_STN/8);
	rLCDSADDR1= ( (addr>>22)<<21 ) | M5D(addr>>1);
	rLCDSADDR2= M5D( ((addr+(SCR_XSIZE_STN*LCD_YSIZE_STN/8))>>1) );
	CLR_IF();
   	break;

    case MODE_STN_2BIT:
	SET_IF(); 
	#if (LCD_XSIZE_STN<256)
   	    while((rLCDCON1>>18)<=1); // if x<256
	#else	
    	    while((rLCDCON1>>18)==0); // if x>256
	#endif
        addr=(U32)frameBuffer2Bit+(vx/4)+vy*(SCR_XSIZE_STN/4);
	rLCDSADDR1= ( (addr>>22)<<21 ) | M5D(addr>>1);
	rLCDSADDR2= M5D(((addr+(SCR_XSIZE_STN*LCD_YSIZE_STN/4))>>1));
	CLR_IF();
    break;

    case MODE_STN_4BIT:
	SET_IF(); 
    	#if (LCD_XSIZE_STN<128)
    	    while((rLCDCON1>>18)<=1); // if x<128
	#else	
    	    while((rLCDCON1>>18)==0); // if x>128
	#endif
        addr=(U32)frameBuffer4Bit+(vx/2)+vy*(SCR_XSIZE_STN/2);
	rLCDSADDR1= ( (addr>>22)<<21 ) | M5D(addr>>1);
	rLCDSADDR2= M5D(((addr+(SCR_XSIZE_STN*LCD_YSIZE_STN/2))>>1));
	CLR_IF();
    break;

    case MODE_CSTN_8BIT:
	SET_IF(); 
	#if (LCD_XSIZE_CSTN<64)
    	    while((rLCDCON1>>18)<=1); // if x<64
	#else	
 	    while((rLCDCON1>>18)==0); // if x>64
	#endif
        addr=(U32)frameBuffer8Bit+(vx/1)+vy*(SCR_XSIZE_CSTN/1);
	rLCDSADDR1= ( (addr>>22)<<21 ) | M5D(addr>>1);
	rLCDSADDR2= M5D(((addr+(SCR_XSIZE_CSTN*LCD_YSIZE_CSTN))>>1));
	CLR_IF();
    break;

    case MODE_CSTN_12BIT:
    	SET_IF(); 
	#if (LCD_XSIZE_CSTN<43)
    	    while((rLCDCON1>>18)<=1); // if x<43
	#else	
    	    while((rLCDCON1>>18)==0); // if x>43
	#endif
    	addr=(U32)frameBuffer12Bit+(vx*3/2)+vy*(SCR_XSIZE_CSTN*3/2); // Move 6Byte(4pixel)
	rLCDSADDR1= ( (addr>>22)<<21 ) | M5D(addr>>1);
	rLCDSADDR2= M5D(((addr+(SCR_XSIZE_CSTN*LCD_YSIZE_CSTN*3/2))>>1));
	CLR_IF();
    break;
    	
    case MODE_TFT_1BIT_240320:
    	SET_IF(); 
	#if (LCD_XSIZE_TFT_240320<512)
    	    while((rLCDCON1>>18)<=1); // if x<512
	#else	
	    while((rLCDCON1>>18)==0); // if x>512
	#endif
        addr=(U32)frameBuffer8BitTft240320+(vx/8)+vy*(SCR_XSIZE_TFT_240320/8);
	rLCDSADDR1= ( (addr>>22)<<21 ) | M5D(addr>>1);
	rLCDSADDR2= M5D(((addr+(SCR_XSIZE_TFT_240320*LCD_YSIZE_TFT_240320/8))>>1));
	CLR_IF();
    break;

    case MODE_TFT_8BIT_240320:
    	SET_IF(); 
	#if (LCD_XSIZE_TFT_240320<64)
    	    while((rLCDCON1>>18)<=1); // if x<64
	#else	
	    while((rLCDCON1>>18)==0); // if x>64
	#endif
        addr=(U32)frameBuffer8BitTft240320+(vx/1)+vy*(SCR_XSIZE_TFT_240320/1);
	rLCDSADDR1= ( (addr>>22)<<21 ) | M5D(addr>>1);
	rLCDSADDR2= M5D(((addr+(SCR_XSIZE_TFT_240320*LCD_YSIZE_TFT_240320))>>1));
	CLR_IF();
    break;

    case MODE_TFT_16BIT_240320:
    	SET_IF(); 
	#if (LCD_XSIZE_TFT_240320<32)
    	    while((rLCDCON1>>18)<=1); // if x<32
	#else	
    	    while((rLCDCON1>>18)==0); // if x>32
	#endif
        addr=(U32)frameBuffer16BitTft240320+(vx*2)+vy*(SCR_XSIZE_TFT_240320*2);
	rLCDSADDR1= ( (addr>>22)<<21 ) | M5D(addr>>1);
	rLCDSADDR2= M5D(((addr+(SCR_XSIZE_TFT_240320*LCD_YSIZE_TFT_240320*2))>>1));
	CLR_IF();
    break;

    case MODE_TFT_1BIT_640480:
    	SET_IF();
	#if (LCD_XSIZE_TFT_640480<512)
    	    while((rLCDCON1>>18)<=1); // if x<512
	#else	
    	    while((rLCDCON1>>18)==0); // if x>512 ((12+4)*32) 
	#endif
        addr=(U32)frameBuffer1BitTft640480+(vx/8)+vy*(SCR_XSIZE_TFT_640480/8);
	rLCDSADDR1= ( (addr>>22)<<21 ) | M5D(addr>>1);
	rLCDSADDR2= M5D( ((addr+(SCR_XSIZE_TFT_640480*LCD_YSIZE_TFT_640480/8))>>1) );
	CLR_IF();
    break;

    case MODE_TFT_8BIT_640480:
    	SET_IF(); 
	#if (LCD_XSIZE_TFT_640480<64)
    	    while((rLCDCON1>>18)<=1); // if x<64
	#else	
	    while((rLCDCON1>>18)==0); // if x>64
	#endif
        addr=(U32)frameBuffer8BitTft640480+(vx/1)+vy*(SCR_XSIZE_TFT_640480/1);
	rLCDSADDR1= ( (addr>>22)<<21 ) | M5D(addr>>1);
	rLCDSADDR2= M5D(((addr+(SCR_XSIZE_TFT_640480*LCD_YSIZE_TFT_640480))>>1));
	CLR_IF();
    break;

    case MODE_TFT_16BIT_640480:
    	SET_IF(); 
	#if (LCD_XSIZE_TFT_640480<32)
    	    while((rLCDCON1>>18)<=1); // if x<32
	#else	
    	    while((rLCDCON1>>18)==0); // if x>32
	#endif
        addr=(U32)frameBuffer16BitTft640480+(vx*2)+vy*(SCR_XSIZE_TFT_640480*2);
	rLCDSADDR1= ( (addr>>22)<<21 ) | M5D(addr>>1);
	rLCDSADDR2= M5D(((addr+(SCR_XSIZE_TFT_640480*LCD_YSIZE_TFT_640480*2))>>1));
	CLR_IF();
    break;

    case MODE_TFT_24BIT_640480:
    	SET_IF(); 
	#if (LCD_XSIZE_TFT_640480<16)
    	    while((rLCDCON1>>18)<=1); // if x<16
	#else	
    	    while((rLCDCON1>>18)==0); // if x>16
	#endif
        addr=(U32)frameBuffer24BitTft640480+(vx*4)+vy*(SCR_XSIZE_TFT_640480*4);
	rLCDSADDR1= ( (addr>>22)<<21 ) | M5D(addr>>1);
	rLCDSADDR2= M5D(((addr+(SCR_XSIZE_TFT_640480*LCD_YSIZE_TFT_640480*4))>>1));
	CLR_IF();
    break;

    case MODE_TFT_1BIT_800600:
    	SET_IF();
	#if (LCD_XSIZE_TFT_800600<512)
    	    while((rLCDCON1>>18)<=1); // if x<512
	#else	
    	    while((rLCDCON1>>18)==0); // if x>512 ((12+4)*32) 
	#endif
        addr=(U32)frameBuffer1BitTft800600+(vx/8)+vy*(SCR_XSIZE_TFT_800600/8);
	rLCDSADDR1= ( (addr>>22)<<21 ) | M5D(addr>>1);
	rLCDSADDR2= M5D( ((addr+(SCR_XSIZE_TFT_800600*LCD_YSIZE_TFT_800600/8))>>1) );
	CLR_IF();
    break;

    case MODE_TFT_8BIT_800600:
    	SET_IF(); 
	#if (LCD_XSIZE_TFT_800600<64)
    	    while((rLCDCON1>>18)<=1); // if x<64
	#else	
	    while((rLCDCON1>>18)==0); // if x>64
	#endif
        addr=(U32)frameBuffer8BitTft800600+(vx/1)+vy*(SCR_XSIZE_TFT_800600/1);
	rLCDSADDR1= ( (addr>>22)<<21 ) | M5D(addr>>1);
	rLCDSADDR2= M5D(((addr+(SCR_XSIZE_TFT_800600*LCD_YSIZE_TFT_800600))>>1));
	CLR_IF();
    break;

    case MODE_TFT_16BIT_800600:
    	SET_IF(); 
	#if (LCD_XSIZE_TFT_800600<32)
    	    while((rLCDCON1>>18)<=1); // if x<32
	#else	
    	    while((rLCDCON1>>18)==0); // if x>32
	#endif
        addr=(U32)frameBuffer16BitTft800600+(vx*2)+vy*(SCR_XSIZE_TFT_800600*2);
	rLCDSADDR1= ( (addr>>22)<<21 ) | M5D(addr>>1);
	rLCDSADDR2= M5D(((addr+(SCR_XSIZE_TFT_800600*LCD_YSIZE_TFT_800600*2))>>1));
	CLR_IF();
    break;

    default:
    break;
    }   
}