lcd.h

#ifndef LCD_H
#define LCD_H
/*************************************************************************
 Title  :   C include file for the HD44780U LCD library (lcd.c)
 Author:  Peter Fleury <pfleury@gmx.ch>  http://jump.to/fleury
 File:   $Id: lcd.h,v 1.13.2.2 2006/01/30 19:51:33 peter Exp $
 Software:  AVR-GCC 3.3
 Hardware:  any AVR device, memory mapped mode only for AT90S4414/8515/Mega
***************************************************************************/


#if (__GNUC__ * 100 + __GNUC_MINOR__) < 303
#error "This library requires AVR-GCC 3.3 or later, update to newer AVR-GCC compiler !"
#endif

#include <inttypes.h>
#include <avr/pgmspace.h>

#define XTAL        F_CPU 
#define LCD_CONTROLLER_KS0073 0 
#define LCD_LINES     2   
#define LCD_DISP_LENGTH   16    
#define LCD_LINE_LENGTH   0x40  
#define LCD_START_LINE1   0x00  
#define LCD_START_LINE2   0x40  
#define LCD_START_LINE3   0x14  
#define LCD_START_LINE4   0x54  
#define LCD_WRAP_LINES    0   
#define LCD_IO_MODE     1   
#if LCD_IO_MODE

#define LCD_PORT      PORTB 
#define LCD_DATA0_PORT    LCD_PORT  
#define LCD_DATA1_PORT    LCD_PORT  
#define LCD_DATA2_PORT    LCD_PORT  
#define LCD_DATA3_PORT    LCD_PORT  
#define LCD_DATA0_PIN   0   
#define LCD_DATA1_PIN   1   
#define LCD_DATA2_PIN   2   
#define LCD_DATA3_PIN   3   
#define LCD_RS_PORT     PORTD 
#define LCD_RS_PIN      2   
#define LCD_RW_PORT     PORTD 
#define LCD_RW_PIN      3   
#define LCD_E_PORT      PORTD 
#define LCD_E_PIN     4   
#elif defined(__AVR_AT90S4414__) || defined(__AVR_AT90S8515__) || defined(__AVR_ATmega64__) || \
    defined(__AVR_ATmega8515__)|| defined(__AVR_ATmega103__) || defined(__AVR_ATmega128__) || \
    defined(__AVR_ATmega161__) || defined(__AVR_ATmega162__)
/*
 *  memory mapped mode is only supported when the device has an external data memory interface
 */
#define LCD_IO_DATA     0xC000  /* A15=E=1, A14=RS=1         */
#define LCD_IO_FUNCTION   0x8000  /* A15=E=1, A14=RS=0         */
#define LCD_IO_READ     0x0100  /* A8 =R/W=1 (R/W: 1=Read, 0=Write   */
#else
#error "external data memory interface not available for this device, use 4-bit IO port mode"

#endif


/* instruction register bit positions, see HD44780U data sheet */
#define LCD_CLR       0   /* DB0: clear display         */
#define LCD_HOME      1   /* DB1: return to home position   */
#define LCD_ENTRY_MODE    2   /* DB2: set entry mode         */
#define LCD_ENTRY_INC   1   /*   DB1: 1=increment, 0=decrement   */
#define LCD_ENTRY_SHIFT   0   /*   DB2: 1=display shift on       */
#define LCD_ON        3   /* DB3: turn lcd/cursor on       */
#define LCD_ON_DISPLAY    2   /*   DB2: turn display on       */
#define LCD_ON_CURSOR   1   /*   DB1: turn cursor on         */
#define LCD_ON_BLINK    0   /*   DB0: blinking cursor ?     */
#define LCD_MOVE      4   /* DB4: move cursor/display     */
#define LCD_MOVE_DISP   3   /*   DB3: move display (0-> cursor) ?  */
#define LCD_MOVE_RIGHT    2   /*   DB2: move right (0-> left) ?   */
#define LCD_FUNCTION    5   /* DB5: function set           */
#define LCD_FUNCTION_8BIT 4   /*   DB4: set 8BIT mode (0->4BIT mode) */
#define LCD_FUNCTION_2LINES 3   /*   DB3: two lines (0->one line)   */
#define LCD_FUNCTION_10DOTS 2   /*   DB2: 5x10 font (0->5x7 font)   */
#define LCD_CGRAM     6   /* DB6: set CG RAM address       */
#define LCD_DDRAM     7   /* DB7: set DD RAM address       */
#define LCD_BUSY      7   /* DB7: LCD is busy         */

/* set entry mode: display shift on/off, dec/inc cursor move direction */
#define LCD_ENTRY_DEC   0x04  /* display shift off, dec cursor move dir */
#define LCD_ENTRY_DEC_SHIFT 0x05  /* display shift on,  dec cursor move dir */
#define LCD_ENTRY_INC_    0x06  /* display shift off, inc cursor move dir */
#define LCD_ENTRY_INC_SHIFT 0x07  /* display shift on,  inc cursor move dir */

/* display on/off, cursor on/off, blinking char at cursor position */
#define LCD_DISP_OFF    0x08  /* display off              */
#define LCD_DISP_ON     0x0C  /* display on, cursor off        */
#define LCD_DISP_ON_BLINK 0x0D  /* display on, cursor off, blink char  */
#define LCD_DISP_ON_CURSOR  0x0E  /* display on, cursor on          */
#define LCD_DISP_ON_CURSOR_BLINK  0x0F  /* display on, cursor on, blink char    */

/* move cursor/shift display */
#define LCD_MOVE_CURSOR_LEFT  0x10  /* move cursor left  (decrement)      */
#define LCD_MOVE_CURSOR_RIGHT 0x14  /* move cursor right (increment)      */
#define LCD_MOVE_DISP_LEFT    0x18  /* shift display left          */
#define LCD_MOVE_DISP_RIGHT   0x1C  /* shift display right          */

/* function set: set interface data length and number of display lines */
#define LCD_FUNCTION_4BIT_1LINE   0x20  /* 4-bit interface, single line, 5x7 dots */
#define LCD_FUNCTION_4BIT_2LINES  0x28  /* 4-bit interface, dual line,   5x7 dots */
#define LCD_FUNCTION_8BIT_1LINE   0x30  /* 8-bit interface, single line, 5x7 dots */
#define LCD_FUNCTION_8BIT_2LINES  0x38  /* 8-bit interface, dual line,   5x7 dots */


#define LCD_MODE_DEFAULT   ((1<<LCD_ENTRY_MODE) | (1<<LCD_ENTRY_INC) )



void lcd_init(uint8_t dispAttr);


void lcd_clrscr(void);


void lcd_home(void);


void lcd_gotoxy(uint8_t x, uint8_t y);


void lcd_putc(char c);


void lcd_puts(const char *s);


void lcd_puts_p(const char *progmem_s);


void lcd_command(uint8_t cmd);


void lcd_data(uint8_t data);


#define lcd_puts_P(__s)    lcd_puts_p(PSTR(__s))

#endif //LCD_H