lcd.h

学习UCGUI的代码。适合于初学者使用。

#define LCD_DEVCAP_YSIZE        0x2     /* Quest vert. res. of display */
#define LCD_DEVCAP_VXSIZE       0x3     /* Quest vert. res. of virtual disp.*/
#define LCD_DEVCAP_VYSIZE       0x4     /* Quest vert. res. of virtual disp.*/
#define LCD_DEVCAP_XORG         0x5     /* X-origin ... usually 0 */
#define LCD_DEVCAP_YORG         0x6     /* Y-origin ... usually 0 */
#define LCD_DEVCAP_CONTROLLER   0x7     /* LCD Controller (Numerical) */
#define LCD_DEVCAP_BITSPERPIXEL 0x8     /* Bits per pixel ... 1/2/4/8 */
#define LCD_DEVCAP_NUMPAGES     0x10    /* Quest number of pages of display */

#define LCD_DEVCAP_COLOR        0x1000  /* Quest Color[0]
                                0x1001     Quest Color[1]
                                0x1002     Quest Color[2]
                                         ...                    */
 /* The next 4095 entries are reserved so up to 4096 colors
    can be queried          ...*/

int LCD_GetXSize(void);
int LCD_GetXSize_1(void);
int LCD_GetXSizeEx(int Index);

int LCD_GetYSize(void);
int LCD_GetYSize_1(void);
int LCD_GetYSizeEx(int Index);

int LCD_GetVXSize(void);
int LCD_GetVXSize_1(void);
int LCD_GetVXSizeEx(int Index);

int LCD_GetVYSize(void);
int LCD_GetVYSize_1(void);
int LCD_GetVYSizeEx(int Index);

U32 LCD_GetNumColors(void);
U32 LCD_GetNumColors_1(void);
U32 LCD_GetNumColorsEx(int Index);

int LCD_GetBitsPerPixel(void);
int LCD_GetBitsPerPixel_1(void);
int LCD_GetBitsPerPixelEx(int Index);

int LCD_GetFixedPalette(void);
int LCD_GetFixedPalette_1(void);
I32 LCD_GetFixedPaletteEx(int Index);

int LCD_GetXMag(void);
int LCD_GetXMag_1(void);
int LCD_GetXMagEx(int Index);

int LCD_GetYMag(void);
int LCD_GetYMag_1(void);
int LCD_GetYMagEx(int Index);

int LCD_GetMirrorXEx(int LayerIndex);
int LCD_GetMirrorYEx(int LayerIndex);
int LCD_GetSwapXYEx(int LayerIndex);

int LCD_GetSwapRBEx(int LayerIndex);
int LCD_GetDeltaModeEx(int LayerIndex);
int LCD_GetBitsPerPixel_L0Ex(int LayerIndex);

tLCDDEV_Index2Color * LCD_GetpfIndex2ColorEx(int LayerIndex);
tLCDDEV_Color2Index * LCD_GetpfColor2IndexEx(int LayerIndex);

int LCD_GetNumLayers(void);

int LCD_SetAlphaEx(int Alpha, int LayerIndex);

#define LCD_GetNumDisplays() LCD_GetNumLayers()

#define LCD_GET_XSIZE()        LCD_GetXSize()
#define LCD_GET_YSIZE()        LCD_GetYSize()
#define LCD_GET_VXSIZE()       LCD_GetVXSize()
#define LCD_GET_VYSIZE()       LCD_GetVYSize()
#define LCD_GET_NUMCOLORS()    LCD_GetNumColors()
#define LCD_GET_BITSPERPIXEL() LCD_GetBitsPerPixel()

#define LCD_DEVFUNC_READRECT  0x1     /* Request of a function pointer for reading a rectangular display area */
#define LCD_DEVFUNC_SETALPHA  0x2     /* Request of a function pointer for setting the alpha blending factor */
#define LCD_DEVFUNC_SETPOS    0x3     /* Request of a function pointer for setting the layer position */
#define LCD_DEVFUNC_SETSIZE   0x4     /* Request of a function pointer for setting the layer size */
#define LCD_DEVFUNC_SETVIS    0x5     /* Request of a function pointer for setting the visibility of a layer */

void * LCD_L0_GetDevFunc(int Index);

/*********************************************************************
*
*      LCD_CLIP function table
*
**********************************************************************
*/
typedef void         tLCD_HL_DrawHLine    (int x0, int y0,  int x1);
typedef void         tLCD_HL_DrawPixel    (int x0, int y0);

typedef struct {
  tLCD_HL_DrawHLine*          pfDrawHLine;
  tLCD_HL_DrawPixel*          pfDrawPixel;
} tLCD_HL_APIList;

void LCD_DrawHLine(int x0, int y0,  int x1);
void LCD_DrawPixel(int x0, int y0);
void LCD_DrawVLine  (int x, int y0,  int y1);



/*********************************************************************
*
*              Declarations for LCD_
*
**********************************************************************
*/

void LCD_SetClipRectEx(const LCD_RECT* pRect);
void LCD_SetClipRectMax(void);

/* Get device capabilities (0 if not supported) */
I32  LCD_GetDevCap(int Index);

/* Initialize LCD using config-paramters */
int LCD_Init(void);

void LCD_SetBkColor   (LCD_COLOR Color); /* Set background color */
void LCD_SetColor     (LCD_COLOR Color); /* Set foreground color */
void LCD_SetPixelIndex(int x, int y, int ColorIndex);

/* Palette routines (Not available on all drivers) */
void LCD_InitLUT(void);

/* Decompressors */
//typedef void tfDrawSpecialBitmap(int x0,int y0,int xsize, int ysize, const U8 GUI_UNI_PTR *pPixel, const LCD_LOGPALETTE GUI_UNI_PTR * pLogPal, int xMag, int yMag);
void         LCD_DrawBitmap_RLE8(int x0,int y0,int xsize, int ysize, const U8 GUI_UNI_PTR *pPixel, const LCD_LOGPALETTE GUI_UNI_PTR * pLogPal, int xMag, int yMag);
void         LCD_DrawBitmap_RLE4(int x0,int y0,int xsize, int ysize, const U8 GUI_UNI_PTR *pPixel, const LCD_LOGPALETTE GUI_UNI_PTR * pLogPal, int xMag, int yMag);
void         LCD_DrawBitmap_565 (int x0,int y0,int xsize, int ysize, const U8 GUI_UNI_PTR *pPixel, const LCD_LOGPALETTE GUI_UNI_PTR * pLogPal, int xMag, int yMag);
void         LCD_DrawBitmap_M565(int x0,int y0,int xsize, int ysize, const U8 GUI_UNI_PTR *pPixel, const LCD_LOGPALETTE GUI_UNI_PTR * pLogPal, int xMag, int yMag);

LCD_DRAWMODE LCD_SetDrawMode  (LCD_DRAWMODE dm);
void LCD_SetColorIndex(int Index);
void LCD_SetBkColorIndex(int Index);
void LCD_FillRect(int x0, int y0, int x1, int y1);
typedef void tLCD_SetPixelAA(int x, int y, U8 Intens);

void LCD_SetPixelAA        (int x, int y, U8 Intens);
void LCD_SetPixelAA_NoTrans(int x, int y, U8 Intens);
void LCD_SetPixelAA_Xor    (int x, int y, U8 Intens);

LCD_COLOR    LCD_AA_MixColors(LCD_COLOR Color, LCD_COLOR BkColor, U8 Intens);
LCD_COLOR    LCD_MixColors256(LCD_COLOR Color, LCD_COLOR BkColor, unsigned Intens);
LCD_COLOR    LCD_GetPixelColor(int x, int y);     /* Get RGB color of pixel */
unsigned int LCD_GetPixelIndex(int x, int y);
int          LCD_GetBkColorIndex (void);
int          LCD_GetColorIndex (void);

/*********************************************************************
*
*       Optional support for rotatation
*
**********************************************************************
*/

#if GUI_SUPPORT_ROTATION

typedef void tLCD_DrawBitmap(int x0, int y0, int xsize, int ysize,
                             int xMul, int yMul, int BitsPerPixel, int BytesPerLine,
                             const U8 GUI_UNI_PTR * pPixel, const void * pTrans);
typedef void tRect2TextRect (LCD_RECT * pRect);

struct tLCD_APIList_struct {
  tLCD_DrawBitmap   * pfDrawBitmap;
  tRect2TextRect    * pfRect2TextRect;
};

typedef struct tLCD_APIList_struct tLCD_APIList;

extern tLCD_APIList LCD_APIListCCW;
extern tLCD_APIList LCD_APIListCW;
extern tLCD_APIList LCD_APIList180;

#define GUI_ROTATION   tLCD_APIList
#define GUI_ROTATE_CCW &LCD_APIListCCW
#define GUI_ROTATE_CW  &LCD_APIListCW
#define GUI_ROTATE_180 &LCD_APIList180
#define GUI_ROTATE_0   0
#endif


/*      *************************************************************
        *                                                           *
        *      LCD  publics not used by GUI                         *
        *                                                           *
        *************************************************************
  

The following functions can, but do not have to be defined in the LCD driver
as they are not used by the GUI level.

*/



#define LCD_On          LCD_L0_On
#define LCD_Off         LCD_L0_Off
#define LCD_ReInit      LCD_L0_ReInit
#define LCD_SetLUTEntry LCD_L0_SetLUTEntry


#define LCD_CC_UNLOCK (0)    /* Default mode: Cache is transparent */
#define LCD_CC_LOCK   (1)    /* Cache is locked, no write operations */
#define LCD_CC_FLUSH  (2)    /* Flush cache, do not change mode */
U8 LCD_L0_ControlCache(U8 mode);
U8 LCD_L0_1_ControlCache(U8 mode);
U8 LCD_L0_2_ControlCache(U8 mode);
U8 LCD_L0_3_ControlCache(U8 mode);
U8 LCD_L0_4_ControlCache(U8 mode);
U8 LCD_L0_5_ControlCache(U8 mode);
void LCD_L0_Refresh(void);
void LCD_L0_1_Refresh(void);
void LCD_L0_2_Refresh(void);
void LCD_L0_3_Refresh(void);
void LCD_L0_4_Refresh(void);
void LCD_L0_5_Refresh(void);
/* Check if controller is still properly initialized */
int  LCD_L0_CheckInit(void);        /* returns if init is still O.K.
                                      by reading all available registers of
                                      Display controller.
                                      0: Init O.K.
                                    */

#define LCD_ControlCache LCD_L0_ControlCache

/*
        ******************************************
        *                                        *
        *        Support for paging              *
        *                                        *
        ******************************************
*/

int LCD_SelPage  (int NewPage);    /* returns formerly sel. page */
int LCD_ShowPage (int NewPage);    /* sets / returns visible page */
int LCD_GetSelPage (void);         /* returns selected page */
int LCD_GetVisPage (void);         /* returns visible page */


/*      *************************************************************
        *                                                           *
        *      LCD  imports                                         *
        *                  (for routines in LCDColor)               *
        *                                                           *
        *************************************************************
*/
  

int              LCD_Color2Index     (LCD_COLOR Color);
LCD_COLOR        LCD_Index2Color     (int Index);
LCD_COLOR        LCD_Index2ColorEx   (int i, unsigned int LayerIndex);

/*********************************************************************
*
*       LCD_X_...
*
**********************************************************************
*/

void LCD_X_Init(void);
void LCD_X_On  (void);
void LCD_X_Off (void);

char LCD_X_Read00(void);
char LCD_X_Read01(void);
void LCD_X_Write00(char c);
void LCD_X_Write01(char c);
void LCD_X_WriteM01(char * pData, int NumBytes);

#if defined(__cplusplus)
  }
#endif

#endif /* LCD_H */

/*************************** End of file ****************************/