hd44780_params.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 
18 #ifndef HD44780_PARAMS_H
19 #define HD44780_PARAMS_H
20 
21 #include "board.h"
22 #include "periph/gpio.h"
23 
24 #ifdef __cplusplus
25 extern "C"
26 {
27 #endif
28 
29 /* The default pins corresponds to Arduino pins on the Arduino Zero board. */
30 
31 #ifndef HD44780_PARAM_COLS
32 #define HD44780_PARAM_COLS (16U)
33 #endif
34 #ifndef HD44780_PARAM_ROWS
35 #define HD44780_PARAM_ROWS (2U)
36 #endif
37 #ifndef HD44780_PARAM_PIN_RS
38 #define HD44780_PARAM_PIN_RS GPIO_PIN(0, 14) /* Arduino D2 */
39 #endif
40 #ifndef HD44780_PARAM_PIN_RW
41 #define HD44780_PARAM_PIN_RW GPIO_UNDEF
42 #endif
43 #ifndef HD44780_PARAM_PIN_ENABLE
44 #define HD44780_PARAM_PIN_ENABLE GPIO_PIN(0, 9) /* Arduino D3 */
45 #endif
46 #ifndef HD44780_PARAM_PINS_DATA
47 #define HD44780_PARAM_PINS_DATA { GPIO_PIN(0, 8), /* Arduino D4 */ \
48  GPIO_PIN(0, 15), /* Arduino D5 */ \
49  GPIO_PIN(0, 20), /* Arduino D6 */ \
50  GPIO_PIN(0, 21), /* Arduino D7 */ \
51  GPIO_UNDEF, \
52  GPIO_UNDEF, \
53  GPIO_UNDEF, \
54  GPIO_UNDEF }
55 #endif
56 
57 #ifndef HD44780_PARAMS
58 #define HD44780_PARAMS { .cols = HD44780_PARAM_COLS, \
59  .rows = HD44780_PARAM_ROWS, \
60  .rs = HD44780_PARAM_PIN_RS, \
61  .rw = HD44780_PARAM_PIN_RW, \
62  .enable = HD44780_PARAM_PIN_ENABLE, \
63  .data = HD44780_PARAM_PINS_DATA }
64 #endif
65 
69 static const hd44780_params_t hd44780_params[] =
70 {
71  HD44780_PARAMS,
72 };
73 
74 #ifdef __cplusplus
75 }
76 #endif
77 
78 #endif /* HD44780_PARAMS_H */
79 
hd44780_params_t
Parameters needed for device initialization.
Definition: hd44780.h:60
gpio.h
Low-level GPIO peripheral driver interface definitions.
hd44780_params
static const hd44780_params_t hd44780_params[]
LCM1602C configuration.
Definition: hd44780_params.h:69