/*******************************************************************************
    Filename: hal_lcd.h

    Copyright 2008 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_COMM_OUT        P8OUT
#define LCD_COMM_DIR        P8DIR
#define LCD_COMM_SEL        P8SEL
#define LCD_BACKLIGHT_PIN   BIT3

#ifdef REV_02
  #define LCD_CS_RST_DIR      LCD_COMM_DIR
  #define LCD_CS_RST_OUT      LCD_COMM_OUT
  #define LCD_CS_PIN          BIT1
  #define LCD_RESET_PIN       BIT2
#else 
  #define LCD_CS_RST_DIR      P9DIR
  #define LCD_CS_RST_OUT      P9OUT  
  #define LCD_CS_PIN          BIT6 
  #define LCD_RESET_PIN       BIT7
#endif 

#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 UCBUSY              (0x01)
#define UCB2CTL0            UCB2CTLW0_H  /* USCI B2 Control Register 0 */
#define UCB2CTL1            UCB2CTLW0_L  /* USCI B2 Control Register 1 */
#define UCB2BR0             UCB2BRW_L /* USCI B2 Baud Rate 0 */
#define UCB2BR1             UCB2BRW_H /* USCI B2 Baud Rate 1 */

#define UCB2TXBUF_          (0x066Eu)  /* USCI B2 Transmit Buffer */
#define UCB2IFG             UCB2ICTL_H  /* USCI B2 Interrupt Flags Register */
#define UCB2STAT_           (0x066Au)  /* USCI B2 Status Register */
#define UCTXIFG             (0x0002u)  /* USCI Transmit Interrupt Flag */

#define UCMST               (0x08)    /* Sync. Mode: Master Select */
#define UCSYNC              (0x01)    /* Sync-Mode  0:UART-Mode / 1:SPI-Mode */
#define UCCKPL              (0x40)    /* Sync. Mode: Clock Polarity */
#define UCMSB               (0x20)    /* Async. Mode: MSB first  0:LSB / 1:MSB */
#define UCSSEL_2            (0x80)    /* USCI 0 Clock Source: 2 */
#define UCSWRST             (0x01)    /* USCI Software Reset */
#define UCRXIFG             (0x0001u)  /* USCI Receive Interrupt Flag */

#define  TA0CTL_             (0x0340u)  /* Timer0_A5 Control */
#define  TA0CCTL3_           (0x0348u)  /* Timer0_A5 Capture/Compare Control 3 */
#define  TA0CCR3_            (0x0358u)  /* Timer0_A5 Capture/Compare 3 */
#define  TA0CCR0_            (0x0352u)  /* Timer0_A5 Capture/Compare 0 */

#define OUTMOD_7            (7*0x20u)  /* PWM output mode: 7 - PWM reset/set */
#define TASSEL_2            (2*0x100u) /* Timer A clock source select: 2 - SMCLK */
#define MC_1                (1*0x10u)  /* Timer A mode control: 1 - Up to CCR0 */
#define MC0                 (0x0010u)  /* Timer A mode control 0 */
#define UCB2TXBUF_          (0x066Eu)

#define P9IN                (PEIN_L)  /* Port 9 Input */
#define P9OUT               (PEOUT_L) /* Port 9 Output */
#define P9DIR               (PEDIR_L) /* Port 9 Direction */
#define P9REN               (PEREN_L) /* Port 9 Resistor Enable */
#define P9DS                (PEDS_L)  /* Port 9 Resistor Drive Strenght */
#define P9SEL               (PESEL_L) /* Port 9 Selection */
/*-------------------------------------------------------------
 *                  Function Prototypes 
 * ------------------------------------------------------------*/ 
void halLcdInit(void);                   
void halLcdShutDown(void);
void halLcdBackLightInit(void);
void halLcdSetBackLight(unsigned char BackLightLevel);
unsigned int halLcdGetBackLight(void);
void halLcdShutDownBackLight(void);
void halLcdSendCommand(unsigned char Data[]) ;
void halLcdSetContrast(unsigned char ContrastLevel);
unsigned char halLcdGetContrast(void);
void halLcdStandby(void);
void halLcdActive(void);

//Move to specified LCD address
void halLcdSetAddress(int Address);          

//Draw at current segment location
void halLcdDrawCurrentBlock(unsigned int Value);           

//Draw at specified location by calling
//LCD_Set_Address(Address) & LCD_Draw_Current_Block( value )
void halLcdDrawBlock(unsigned int Address, unsigned int Value); 

//Read value from LCD CGRAM
int halLcdReadBlock(unsigned int Address);

//Clear LCD Screen  
void halLcdClearScreen(void);                    

//Invert black to white and vice versa
void halLcdReverse(void);

// Draw a Pixel @ (x,y) with GrayScale level
void halLcdPixel(  int x,  int y, unsigned char GrayScale);
//Draw Line from (x1,y1) to (x2,y2) with GrayScale level
void halLcdLine(  int x1,  int y1,  int x2,  int y2, unsigned char GrayScale); 

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

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

//Print String of Length starting at current LCD location
void halLcdPrint( char String[], unsigned char TextStyle) ;

//Print String of Length starting at (x,y)
void halLcdPrintXY(char String[], int x, int y, unsigned char TextStyle);  

//Print String of Length starting at (x,y)
void halLcdPrintLine(char String[], unsigned char Line, unsigned char TextStyle);  
void halLcdPrintLineCol(char String[], unsigned char Line, unsigned char Col, unsigned char TextStyle);  

void halLcdCursor(void);
void halLcdCursorOff(void);
//Scroll a single row of pixels
void halLcdScrollRow(int y);
//Scroll a number of consecutive rows from yStart to yEnd
void halLcdHScroll(int yStart, int yEnd);
//Scroll a line of text
void halLcdScrollLine(int Line);

#endif