//*****************************************************************************////  File........: LCD_Driver.h////  Author(s)...: ATMEL Norway////  Target(s)...: ATmega169////  Description.: Defines and prototypes for LCD_Driver.c////  Revisions...: 1.0////  YYYYMMDD - VER. - COMMENT                                       - SIGN.////  20020606 - 0.10 - File created                                  - RM//  20021010 - 1.0  - Clean up                                      - JLL//  20031009          port to avr-gcc/avr-libc                      - M.Thomas////*****************************************************************************/************************************************************************/// Definitions/************************************************************************/#define LCD_INITIAL_CONTRAST    0x0F#define LCD_TIMER_SEED		    3#define LCD_FLASH_SEED          10#define LCD_REGISTER_COUNT      20#define TEXTBUFFER_SIZE         16 ///< FIXME: overwrites the FatCACHE!! when big(25 or so)#define SCROLLMODE_ONCE         0x01#define SCROLLMODE_LOOP         0x02#define SCROLLMODE_WAVE         0x03/************************************************************************///MACROS/************************************************************************///active = [TRUE;FALSE]#define LCD_SET_COLON(active) LCD_Data[8] = active// DEVICE SPECIFIC!!! (ATmega169)#define pLCDREG ((unsigned char *)(0xEC))// DEVICE SPECIFIC!!! (ATmega169) First LCD segment register#define LCD_CONTRAST_LEVEL(level) LCDCCR=(0x0F & level)/************************************************************************/// Global variables/************************************************************************/// mt: volatiles added (based on jw patch)extern volatile char gLCD_Update_Required;extern char LCD_Data[LCD_REGISTER_COUNT];extern char gTextBuffer[TEXTBUFFER_SIZE];extern volatile char gScrollMode;extern char gFlashTimer;extern char gColon;extern char gShowFilename;extern volatile signed char gScroll;/************************************************************************/// Global functions/************************************************************************/void LCD_Init (void);void LCD_WriteDigit(char input, char digit);void LCD_AllSegments(char show);