i237/lib/hd44780_111/hd44780.h
2016-10-10 11:53:22 +03:00

76 lines
2.5 KiB
C
Executable File

/*****************************************************************************
Title : HD44780 Library
Author : SA Development
Version: 1.11
Modifications for: Arduino Mega 2560
Itead Studio Arduino 1602 LED Keypad Shield
Modified by: Silver Kits <silver.kits@eesti.ee> October 2016
*****************************************************************************/
#ifndef HD44780_H
#define HD44780_H
//LCD Commands for HD44780
#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 // DB0: 1=display shift on
#define LCD_DISPLAYMODE 3 // DB3: turn lcd/cursor on
#define LCD_DISPLAYMODE_ON 2 // DB2: turn display on
#define LCD_DISPLAYMODE_CURSOR 1 // DB1: turn cursor on
#define LCD_DISPLAYMODE_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
// LCD columns and rows definitions
#define LCD_ROW_1_START 0
#define LCD_ROW_2_START 64
#define LCD_ROW_1_LAST_VISIBLE_COL 15
#define LCD_ROW_1_LAST_COL 39
#define LCD_ROW_2_LAST_VISIBLE_COL 79
#define LCD_ROW_2_LAST_COL 103
#define LCD_COLS_MAX 103
#define LCD_VISIBLE_COLS 16
// Maximum character what can be displayed with 1 byte
#define LCD_MAX_CARACTER 255
void lcd_init();
void lcd_command(uint8_t cmd);
void lcd_clrscr();
void lcd_clr(uint8_t pos, uint8_t len);
void lcd_home();
void lcd_goto(uint8_t pos);
#if RW_LINE_IMPLEMENTED==1
uint8_t lcd_getc();
#endif
void lcd_putc(char c);
void lcd_puts(const char *s);
void lcd_puts_P(const char *progmem_s);
#if (LCD_DISPLAYS>1)
void lcd_use_display(int ADisplay);
#endif
#endif