lcd44b0.c

嵌入式实时操作系统uc/OS-II于s3c2410的开发测试程序３源代码

  SetPixel(x+0, y, *(pTrans+(pixels>>6)));
  if (!--xsize)
    return;
WriteBit1:
  SetPixel(x+1, y, *(pTrans+(3&(pixels>>4))));
  if (!--xsize)
    return;
WriteBit2:
  SetPixel(x+2, y, *(pTrans+(3&(pixels>>2))));
  if (!--xsize)
    return;
WriteBit3:
  SetPixel(x+3, y, *(pTrans+(3&(pixels))));
  if (!--xsize)
    return;
  pixels = *(++p);
  x+=4;
  goto WriteBit0;
/*
        Write with transparency
*/
WriteTBit0:
  if (pixels&(3<<6))
    SetPixel(x+0, y, *(pTrans+(pixels>>6)));
  if (!--xsize)
    return;
WriteTBit1:
  if (pixels&(3<<4))
    SetPixel(x+1, y, *(pTrans+(3&(pixels>>4))));
  if (!--xsize)
    return;
WriteTBit2:
  if (pixels&(3<<2))
    SetPixel(x+2, y, *(pTrans+(3&(pixels>>2))));
  if (!--xsize)
    return;
WriteTBit3:
  if (pixels&(3<<0))
    SetPixel(x+3, y, *(pTrans+(3&(pixels))));
  if (!--xsize)
    return;
  pixels = *(++p);
  x+=4;
  goto WriteTBit0;
}
#endif


/*
    *********************************************
    *                                           *
    *      Draw Bitmap 4 BPP                    *
    *                                           *
    *********************************************
*/
#if (LCD_MAX_LOG_COLORS > 4)
static void  DrawBitLine4BPP(int x, int y, U8 const*p, int Diff, int xsize, const LCD_PIXELINDEX*pTrans) {
  U8 pixels;
/*
// Jump to right entry point
*/
  pixels = *p;
  if (GUI_Context.DrawMode & LCD_DRAWMODE_TRANS) {
    if ((Diff&1) ==0)
      goto WriteTBit0;
    goto WriteTBit1;
  } else {
    if ((Diff&1) ==0)
      goto WriteBit0;
    goto WriteBit1;
  }
/*
        Write without transparency
*/
WriteBit0:
  SetPixel(x+0, y, *(pTrans+(pixels>>4)));
  if (!--xsize)
    return;
WriteBit1:
  SetPixel(x+1, y, *(pTrans+(pixels&0xf)));
  if (!--xsize)
    return;
  x+=2;
  pixels = *(++p);
  goto WriteBit0;
/*
        Write with transparency
*/
WriteTBit0:
  if (pixels>>4)
    SetPixel(x+0, y, *(pTrans+(pixels>>4)));
  if (!--xsize)
    return;
WriteTBit1:
  if (pixels&0xf)
    SetPixel(x+1, y, *(pTrans+(pixels&0xf)));
  if (!--xsize)
    return;
  x+=2;
  pixels = *(++p);
  goto WriteTBit0;
}
#endif

/*
    *********************************************
    *                                           *
    *      Draw Bitmap 8 BPP  (256 colors)      *
    *                                           *
    *********************************************
*/
#if (LCD_MAX_LOG_COLORS > 16)
static void  DrawBitLine8BPP(int x, int y, U8 const*p, int xsize, const LCD_PIXELINDEX*pTrans) {
  LCD_PIXELINDEX pixel;
  if ((GUI_Context.DrawMode & LCD_DRAWMODE_TRANS)==0) {
    if (pTrans) {
      for (;xsize > 0; xsize--,x++,p++) {
        pixel = *p;
        SetPixel(x, y, *(pTrans+pixel));
      }
    } else {
      for (;xsize > 0; xsize--,x++,p++) {
        SetPixel(x, y, *p);
      }
    }
  } else {   /* Handle transparent bitmap */
    if (pTrans) {
      for (; xsize > 0; xsize--, x++, p++) {
        pixel = *p;
        if (pixel) {
          SetPixel(x+0, y, *(pTrans+pixel));
        }
      }
    } else {
      for (; xsize > 0; xsize--, x++, p++) {
        pixel = *p;
        if (pixel) {
          SetPixel(x+0, y, pixel);
        }
      }
    }
  }
}
#endif

/*
*********************************************************
*                                                       *
*         Universal draw Bitmap routine                 *
*                                                       *
*********************************************************
*/

void LCD_L0_DrawBitmap   (int x0, int y0,
                       int xsize, int ysize,
                       int BitsPerPixel, 
                       int BytesPerLine,
                       const U8* pData, int Diff,
                       const LCD_PIXELINDEX* pTrans) {
	int i;
  	for (i=0; i<ysize; i++) {
  		    switch (BitsPerPixel) {
                case 1:
                    DrawBitLine1BPP(x0, i+y0, pData, Diff, xsize, pTrans);
                    break;
                #if (LCD_MAX_LOG_COLORS > 2)
                case 2:
                    DrawBitLine2BPP(x0, i+y0, pData, Diff, xsize, pTrans);
                    break;
                #endif
                #if (LCD_MAX_LOG_COLORS > 4)
                case 4:
                    DrawBitLine4BPP(x0, i+y0, pData, Diff, xsize, pTrans);
                    break;
                #endif
                #if (LCD_MAX_LOG_COLORS > 16)
                case 8:
                    DrawBitLine8BPP(x0, i+y0, pData, xsize, pTrans);
                    break;
                #endif
            }
    	pData += BytesPerLine;
  	}
}

/********************************************************
*                                                       *
*       LCD_L0_SetOrg                                   *
*                                                       *
*********************************************************
                                                        
Purpose:        Sets the original position of the virtual display.
                Has no function at this point with the PC-driver.
*/

int OrgX, OrgY;
void LCD_L0_SetOrg(int x, int y) {
  	OrgX = x;
  	OrgY = y;
}

/*
*********************************************************
*                                                       *
*       LCD_On                                          *
*       LCD_Off                                         *
*                                                       *
*********************************************************
*/

void LCD_Off          (void) {

}
void LCD_On           (void) {
	Delay(100);
   // rPDATG = ( rPDATG & (~(1<<5)) ); 
   rGPBDAT = (rGPBDAT&(~(1<<2)));
    Delay(100);
}

void LCD_Init_Controler() {
 	frameBuffer256=(U32 (*)[SCR_XSIZE/4])LCDFRAMEBUFFER;
    //frameBuffer256=(U32 (*)[SCR_XSIZE])LCDFRAMEBUFFER;
	rLCDCON1=(CLKVAL_CSTN<<8)|(MVAL_USED<<7)|(2<<5)|(3<<1)|0;
    	// 8-bit single scan,8bpp CSTN,ENVID=off
	rLCDCON2=(0<<24)|(LINEVAL_CSTN<<14)|(0<<6)|(0<<0);
	rLCDCON3=(WDLY_CSTN<<19)|(HOZVAL_CSTN<<8)|(LINEBLANK_CSTN<<0);
	rLCDCON4=(MVAL<<8)|(WLH_CSTN<<0);
	rLCDCON5=0;
	//BPP24BL:x,FRM565:x,INVVCLK:x,INVVLINE:x,INVVFRAME:x,INVVD:x,
	//INVVDEN:x,INVPWREN:x,INVLEND:x,PWREN:x,ENLEND:x,BSWP:x,HWSWP:x
	rLCDSADDR1=(((U32)frameBuffer256>>22)<<21 )|M5D((U32)frameBuffer256>>1);
	rLCDSADDR2=M5D( ((U32)frameBuffer256+(SCR_XSIZE_CSTN*LCD_YSIZE_CSTN/1))>>1 );
	rLCDSADDR3=(((SCR_XSIZE_CSTN-LCD_XSIZE_CSTN)/2)<<11)|(LCD_XSIZE_CSTN/2);
	rDITHMODE=0x0;
	rREDLUT  =0xfdb96420;
	rGREENLUT=0xfdb96420;
	rBLUELUT =0xfb40;
	
}




unsigned int LCD_L0_GetPixelIndex(int x, int y) {
  	return GetPixelIndex(x,y);
}

/*
*********************************************************
*                                                       *
*                   LCD_L0_SetLUTEntry                  *
*                                                       *
*********************************************************
*/

void LCD_L0_SetLUTEntry(U8 Pos, LCD_COLOR color) {

}

/*
*********************************************************
*                                                       *
*       LCD_L0_ReInit : Re-Init the display             *
*                                                       *
*********************************************************

ReInit contains all of the code that can be re-executed at any point without
changing or even disturbing what can be seen on the LCD.
Note that it is also used as a subroutine by LCD_Init().

*/

void  LCD_L0_ReInit(void) {
	
  	LCD_Init_Controler();                     /* macro defined in config */

}

/*
*********************************************************
*                                                       *
*       LCD_Init : Init the display                     *
*                                                       *
*********************************************************
*/
int LCD_L0_Init(void) {
    GUI_DEBUG_LOG("\nLCD_Init()");
    /* Init controllers (except lookup table) */
    LCD_L0_ReInit();
    LCD_Off();
    return 0;    /* Init successfull ! */
}

/*
*********************************************************
*                                                       *
*       LCD_L0_CheckInit                                *
*                                                       *
*  Check if display controller(s) is/are still          *
*  properly initialized                                 *
*                                                       *
*********************************************************
Return value:	0 => No error, init is O.K.
*/

int LCD_L0_CheckInit(void) {
    return 0;
}

#else

void LCD13XX(void) { } /* avoid empty object files */

#endif  /* (LCD_CONTROLLER == 0) */