lcd07x1.c

lpc2478+ucosII+ucgui源码

  } else { 
    /* 
      without palette 
    */
    switch (LCD_DrawMode & (LCD_DRAWMODE_TRANS|LCD_DRAWMODE_XOR)) {
    case 0:
      switch (Diff&3) {
      case 0:
        goto WriteDDPBit0;
      case 1:
        goto WriteDDPBit1;
      case 2:
        goto WriteDDPBit2;
      default:
        goto WriteDDPBit3;
      }
    case LCD_DRAWMODE_TRANS:
      switch (Diff&3) {
      case 0:
        goto WriteDDPTBit0;
      case 1:
        goto WriteDDPTBit1;
      case 2:
        goto WriteDDPTBit2;
      default:
        goto WriteDDPTBit3;
      }
    case LCD_DRAWMODE_XOR:
      switch (Diff&3) {
      case 0:
        goto WriteDDPXBit0;
      case 1:
        goto WriteDDPXBit1;
      case 2:
        goto WriteDDPXBit2;
      default:
        goto WriteDDPXBit3;
      }
    case LCD_DRAWMODE_TRANS|LCD_DRAWMODE_XOR:
      switch (Diff&3) {
      case 0:
        goto WriteDDPTXBit0;
      case 1:
        goto WriteDDPTXBit1;
      case 2:
        goto WriteDDPTXBit2;
      default:
        goto WriteDDPTXBit3;
      }
    }
  /*
          Write without transparency
  */
  WriteDDPBit0:
    SETPIXEL(x+0, y, (pixels>>6));
    if (!--xsize)
      return;
  WriteDDPBit1:
    SETPIXEL(x+1, y, (3&(pixels>>4)));
    if (!--xsize)
      return;
  WriteDDPBit2:
    SETPIXEL(x+2, y, (3&(pixels>>2)));
    if (!--xsize)
      return;
  WriteDDPBit3:
    SETPIXEL(x+3, y, (3&(pixels)));
    if (!--xsize)
      return;
    pixels = *(++p);
    x+=4;
    goto WriteDDPBit0;
  /*
          Write with transparency
  */
  WriteDDPTBit0:
    if (pixels&(3<<6))
      SETPIXEL(x+0, y, (pixels>>6));
    if (!--xsize)
      return;
  WriteDDPTBit1:
    if (pixels&(3<<4))
      SETPIXEL(x+1, y, (3&(pixels>>4)));
    if (!--xsize)
      return;
  WriteDDPTBit2:
    if (pixels&(3<<2))
      SETPIXEL(x+2, y, (3&(pixels>>2)));
    if (!--xsize)
      return;
  WriteDDPTBit3:
    if (pixels&(3<<0))
      SETPIXEL(x+3, y, (3&(pixels)));
    if (!--xsize)
      return;
    pixels = *(++p);
    x+=4;
    goto WriteDDPTBit0;
  /*
          Write without transparency, xor
  */
  WriteDDPXBit0:
    XORPIXEL_DATA(x+0, y, (pixels>>6));
    if (!--xsize)
      return;
  WriteDDPXBit1:
    XORPIXEL_DATA(x+1, y, (3&(pixels>>4)));
    if (!--xsize)
      return;
  WriteDDPXBit2:
    XORPIXEL_DATA(x+2, y, (3&(pixels>>2)));
    if (!--xsize)
      return;
  WriteDDPXBit3:
    XORPIXEL_DATA(x+3, y, (3&(pixels)));
    if (!--xsize)
      return;
    pixels = *(++p);
    x+=4;
    goto WriteDDPXBit0;
  /*
          Write with transparency, xor
  */
  WriteDDPTXBit0:
    if (pixels&(3<<6))
      XORPIXEL_DATA(x+0, y, (pixels>>6));
    if (!--xsize)
      return;
  WriteDDPTXBit1:
    if (pixels&(3<<4))
      XORPIXEL_DATA(x+1, y, (3&(pixels>>4)));
    if (!--xsize)
      return;
  WriteDDPTXBit2:
    if (pixels&(3<<2))
      XORPIXEL_DATA(x+2, y, (3&(pixels>>2)));
    if (!--xsize)
      return;
  WriteDDPTXBit3:
    if (pixels&(3<<0))
      XORPIXEL_DATA(x+3, y, (3&(pixels)));
    if (!--xsize)
      return;
    pixels = *(++p);
    x+=4;
    goto WriteDDPTXBit0;
  }
}

#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) {
  PIXELCOLOR pixels;
/*
   Jump to right entry point
*/
  pixels = *p;
  if (LCD_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)                      *
        *                                                       *
        *      Default (no optimization)                        *
        *                                                       *
        *********************************************************
*/

#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 (pTrans) {
    if ((LCD_DrawMode & LCD_DRAWMODE_TRANS)==0) {
      while (xsize > 0) {
        pixel = *p;
        SETPIXEL(x+0, y, *(pTrans+pixel));
        xsize--; x++; p++;
      }
    } else {   /* Handle transparent bitmap */
      while (xsize > 0) {
        pixel = *p;
        if (pixel)
          SETPIXEL(x+0, y, *(pTrans+pixel));
        xsize--; x++; p++;
      }
    }
  } else {
    if ((LCD_DrawMode & LCD_DRAWMODE_TRANS)==0) {
      while (xsize > 0) {
        pixel = *p;
        SETPIXEL(x+0, y, pixel);
        xsize--; x++; p++;
      }
    } else {   /* Handle transparent bitmap */
      while (xsize > 0) {
        pixel = *p;
        if (pixel)
          SETPIXEL(x+0, y, pixel);
        xsize--; x++; p++;
      }
    }
  }
}

#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;
  /*
     Use DrawBitLineXBPP
  */
  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) {
  #ifdef LCD_OFF
    LCD_OFF();
  #endif
}

void LCD_On           (void) {
  #ifdef LCD_ON
    LCD_ON();
  #endif
}


/*
*********************************************************
*                                                       *
*       LCD_L0_ControlCache                                *
*                                                       *
*********************************************************

*/

void LCD_FlushCache(void) {
  int page;
  for (page=0; page < (LCD_COMS_MAX+7)/8; page++) {
    if (aCacheDirty[page]) {
      aCacheDirty[page]=0;
      SetPage(page);
      SetCol(0);
      LCD_WRITEMDATA(&Cache[page][0][0], 2*LCD_NUM_SEGS0);
    }
  }
  ColCache = LCD_NUM_SEGS0;
}

U8 LCD_L0_ControlCache(U8 cmd) {
  switch (cmd) {
  case LCD_CC_LOCK:   /* Set Cache to lock state.*/
    CacheLocked =1;
    break;
  case LCD_CC_UNLOCK: /* Set Cache to unlock state ... must flush !*/
    CacheLocked =0;
  case LCD_CC_FLUSH:  /* Flush cache */
    if (CacheStat) {
      CacheStat =0;
      LCD_FlushCache();
    }
  }
  return CacheStat;
}


/*
        *********************************************************
        *                                                       *
        *       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();              /* Recall LCD init */ 
}


/*
        *********************************************************
        *                                                       *
        *       LCD_Init : Init the display                     *
        *                                                       *
        *********************************************************
*/
#define ZEROINIT(var) memset(&var,0,sizeof(var))

int  LCD_L0_Init(void) {
  #if LCD_WATCHDOG_TRIGGERCNT
    WatchdogTriggerCnt =0;
  #endif
  #if  LCD_SUPPORT_CACHECONTROL
    CacheStat   =0;     /* 0: No changes */
    CacheLocked =0;     /* 0: Not locked */
  #endif
  ZEROINIT(Cache);
  memset(aCacheDirty,1, sizeof(aCacheDirty));
  LCD_INIT_CONTROLLER();    
  LCD_FlushCache();
  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.

*/

#if LCD_SUPPORT_CHECKINIT

char LCD_L0_CheckInit(void) {
  return 0;
}
#endif

#else

void LCD07X1(void) { } /* avoid empty object files */

#endif  /* Right LCD_CONTROLLER */