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

    Filename: hal_lcd.h

    Copyright 2010 Texas Instruments, Inc.

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

#ifndef HAL_LCD_H

#define HAL_LCD_H

#ifndef MIN

#define MIN(n,m)   (((n) < (m)) ? (n) : (m))

#endif

#ifndef MAX

#define MAX(n,m)   (((n) < (m)) ? (m) : (n))

#endif

#ifndef ABS

#define ABS(n)     (((n) < 0) ? -(n) : (n))

#endif

#define LCD_BACKLT_OUT      P8OUT

#define LCD_BACKLT_DIR      P8DIR

#define LCD_BACKLT_SEL      P8SEL

#define LCD_BACKLIGHT_PIN   BIT3

#define LCD_CS_RST_DIR      P9DIR

#define LCD_CS_RST_OUT      P9OUT  

#define LCD_CS_PIN          BIT6 

#define LCD_RESET_PIN       BIT7

#define LCD_SPI_SEL                     P9SEL

#define LCD_SPI_DIR                     P9DIR

#define LCD_MOSI_PIN            BIT1

#define LCD_MISO_PIN            BIT2

#define LCD_CLK_PIN             BIT3

#define LCD_ROW                 110

#define LCD_COL                 138

#define LCD_Size                3505

#define LCD_MEM_Size            110*17

#define LCD_Max_Column_Offset   0x10  

#define LCD_Last_Pixel          3505

#define LCD_MEM_Row             0x11

#define LCD_Row                 0x20

// Grayscale level definitions

#define PIXEL_OFF               0

#define PIXEL_LIGHT             1

#define PIXEL_DARK              2

#define PIXEL_ON                3

#define INVERT_TEXT             BIT0

#define OVERWRITE_TEXT          BIT2

#define GRAYSCALE_TEXT                  BIT1

/*-------------------------------------------------------------

 *                  Function Prototypes

 * ------------------------------------------------------------*/

extern void halLcdInit(void);

extern void halLcdShutDown(void);

extern void halLcdBackLightInit(void);

extern void halLcdSetBackLight(unsigned char BackLightLevel);

extern unsigned int halLcdGetBackLight(void);

extern void halLcdShutDownBackLight(void);

extern void halLcdSendCommand(unsigned char Data[]) ;

extern void halLcdSetContrast(unsigned char ContrastLevel);

extern unsigned char halLcdGetContrast(void);

extern void halLcdStandby(void);

extern void halLcdActive(void);

//Move to specified LCD address

extern void halLcdSetAddress(int Address);

//Draw at current segment location

extern void halLcdDrawCurrentBlock(unsigned int Value);

extern void halLcdDrawCurrentLine(const unsigned int *value, int length);

//Draw at specified location by calling

//LCD_Set_Address(Address) & LCD_Draw_Current_Block( value )

extern void halLcdDrawBlock(unsigned int Address, unsigned int Value);

//Read value from LCD CGRAM

extern int halLcdReadBlock(unsigned int Address);

//Clear LCD Screen  

extern void halLcdClearScreen(void);

//Invert black to white and vice versa

extern void halLcdReverse(void);

// Draw a Pixel @ (x,y) with GrayScale level

extern void halLcdPixel(  int x,  int y, unsigned char GrayScale);

//Draw Line from (x1,y1) to (x2,y2) with GrayScale level

extern void halLcdLine(  int x1,  int y1,  int x2,  int y2, unsigned char GrayScale);

extern void halLcdHLine( int x1, int x2, int y, unsigned char GrayScale);

extern void halLcdVLine( int x1, int x2, int y, unsigned char GrayScale);

extern void halLcdCircle(int x, int y, int Radius, int GrayScale);

extern void halLcdImage(const unsigned int Image[], int Columns, int Rows, int x, int y);

extern void halLcdClearImage(int Columns, int Rows,  int x, int y);

//Print String of Length starting at current LCD location

extern void halLcdPrint(char String[], unsigned char TextStyle) ;

//Print String of Length starting at (x,y)

extern void halLcdPrintXY(char String[], int x, int y, unsigned char TextStyle);

//Print String of Length starting at (x,y)

extern void halLcdPrintLine(char String[], unsigned char Line, unsigned char TextStyle);

extern void halLcdPrintLineCol(char String[], unsigned char Line, unsigned char Col, unsigned char TextStyle);

extern void halLcdCursor(void);

extern void halLcdCursorOff(void);

//Scroll a single row of pixels

extern void halLcdScrollRow(int y);

//Scroll a number of consecutive rows from yStart to yEnd

extern void halLcdHScroll(int yStart, int yEnd);

//Scroll a line of text

extern void halLcdScrollLine(int Line);

#endif /* HAL_LCD_H */