hd44780_internal.h
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1 /*
2  * Copyright (C) 2017 HAW Hamburg
3  *
4  * This file is subject to the terms and conditions of the GNU Lesser
5  * General Public License v2.1. See the file LICENSE in the top level
6  * directory for more details.
7  */
8 
9 #pragma once
10 
21 #ifdef __cplusplus
22 extern "C" {
23 #endif
24 
29 #define HD44780_CLEARDISPLAY (0x01)
30 #define HD44780_RETURNHOME (0x02)
31 #define HD44780_ENTRYMODESET (0x04)
32 #define HD44780_DISPLAYCONTROL (0x08)
33 #define HD44780_CURSORSHIFT (0x10)
34 #define HD44780_FUNCTIONSET (0x20)
35 #define HD44780_SETCGRAMADDR (0x40)
36 #define HD44780_SETDDRAMADDR (0x80)
43 #define HD44780_ENTRYRIGHT (0x00)
44 #define HD44780_ENTRYLEFT (0x02)
45 #define HD44780_ENTRYSHIFTINCREMENT (0x01)
46 #define HD44780_ENTRYSHIFTDECREMENT (0x00)
53 #define HD44780_DISPLAYON (0x04)
54 #define HD44780_DISPLAYOFF (0x00)
55 #define HD44780_CURSORON (0x02)
56 #define HD44780_CURSOROFF (0x00)
57 #define HD44780_BLINKON (0x01)
58 #define HD44780_BLINKOFF (0x00)
65 #define HD44780_DISPLAYMOVE (0x08)
66 #define HD44780_CURSORMOVE (0x00)
67 #define HD44780_MOVERIGHT (0x04)
68 #define HD44780_MOVELEFT (0x00)
75 #define HD44780_8BITMODE (0x10)
76 #define HD44780_4BITMODE (0x00)
77 #define HD44780_2LINE (0x08)
78 #define HD44780_1LINE (0x00)
79 #define HD44780_5x10DOTS (0x04)
80 #define HD44780_5x8DOTS (0x00)
87 #define HD44780_CMD_WAIT (2000U)
88 #define HD44780_INIT_WAIT_XXL (50000U)
89 #define HD44780_INIT_WAIT_LONG (4500U)
90 #define HD44780_INIT_WAIT_SHORT (150U)
91 #define HD44780_PULSE_WAIT_SHORT (1U)
92 #define HD44780_PULSE_WAIT_LONG (100U)
95 #ifdef __cplusplus
96 }
97 #endif
98