Laurens Tromp / charLCD

General purpose character LCD library. I found the TextLCD library had too many constraints and it didn\\\\\\\'t supply acces to all functions in the HD44780 chipset, so i decided to write my own character lcd library.

hd44780.h@1:1349bedd5793, 2011-03-25 (annotated)

Committer:
lktromp
Date:
Fri Mar 25 10:01:28 2011 +0000
Revision:
1:1349bedd5793
Parent:
0:9ab1b7e424ad
Child:
2:18f6402fd025
Improved

Who changed what in which revision?

UserRevisionLine numberNew contents of line
lktromp 1:1349bedd5793 1
lktromp 1:1349bedd5793 2
lktromp 1:1349bedd5793 3 #define LCD_CLEAR 0x01
lktromp 1:1349bedd5793 4
lktromp 1:1349bedd5793 5 #define LCD_HOME 0x02
lktromp 1:1349bedd5793 6
lktromp 1:1349bedd5793 7 // LCD Entry mode
lktromp 1:1349bedd5793 8 // enum {
lktromp 1:1349bedd5793 9 // CLUBS = 0x04,
lktromp 1:1349bedd5793 10 // DIAMONDS = 0x01,
lktromp 1:1349bedd5793 11 // HEARTS = 4,
lktromp 1:1349bedd5793 12 // SPADES = 8
lktromp 1:1349bedd5793 13 // };
lktromp 1:1349bedd5793 14 #define LCD_ENTRY_MODE 0x04
lktromp 1:1349bedd5793 15 #define LCD_ENTRY_INC 0x01
lktromp 1:1349bedd5793 16 #define LCD_ENTRY_DEC 0x00
lktromp 1:1349bedd5793 17 #define LCD_ENTRY_SHIFT 0x02
lktromp 1:1349bedd5793 18 #define LCD_ENTRY_STAT 0x00
lktromp 1:1349bedd5793 19
lktromp 1:1349bedd5793 20
lktromp 1:1349bedd5793 21 #define LCD_DISPLAY_CTR 0x08
lktromp 1:1349bedd5793 22 #define LCD_DISP_ON 0x01
lktromp 1:1349bedd5793 23 #define LCD_DISP_OFF 0x00
lktromp 1:1349bedd5793 24 #define LCD_CURSOR_ON 0x02
lktromp 1:1349bedd5793 25 #define LCD_CURSOR_OFF 0x00
lktromp 1:1349bedd5793 26 #define LCD_BLINK_ON 0x04
lktromp 1:1349bedd5793 27 #define LCD_BLINK_OFF 0x00
lktromp 1:1349bedd5793 28
lktromp 1:1349bedd5793 29 #define LCD_SHIFT 0x10
lktromp 1:1349bedd5793 30 #define LCD_SHIFT_RIGHT 0x04
lktromp 1:1349bedd5793 31 #define LCD_SHIFT_LEFT 0x00
lktromp 1:1349bedd5793 32 #define LCD_SHIFT_CURS 0x08
lktromp 1:1349bedd5793 33 #define LCD_SHIFT_DISP 0x00
lktromp 1:1349bedd5793 34
lktromp 1:1349bedd5793 35 #define LCD_FUNCTION 0x20
lktromp 1:1349bedd5793 36 #define LCD_FUNC_5x10 0x04
lktromp 1:1349bedd5793 37 #define LCD_FUNC_5x8 0x00
lktromp 1:1349bedd5793 38 #define LCD_FUNC_2LINES 0x08
lktromp 1:1349bedd5793 39 #define LCD_FUNC_1LINES 0x00
lktromp 1:1349bedd5793 40 #define LCD_FUNC_8BIT 0x10
lktromp 1:1349bedd5793 41 #define LCD_FUNC_4BIT 0x00
lktromp 1:1349bedd5793 42
lktromp 1:1349bedd5793 43 #define LCD_SET_CGRAM 0x40
lktromp 1:1349bedd5793 44
lktromp 1:1349bedd5793 45 #define LCD_SET_DDRAM 0x80
lktromp 1:1349bedd5793 46