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git01.mediatek.com / filogic / uboot / 7d6bbb9c5568d892ae798f362a354d0dc09d8a19 / . / board / altera / common / sevenseg.h
blob: 34348329ec5179718e2ce754a734166ebf69d73c [file] [log] [blame]
wdenk3be717f2004-01-03 19:43:48 +0000[diff] [blame]1/*
2 * (C) Copyright 2003, Li-Pro.Net <www.li-pro.net>
3 * Stephan Linz <linz@li-pro.net>
4 *
Wolfgang Denkd79de1d2013-07-08 09:37:19 +0200[diff] [blame]5 * SPDX-License-Identifier: GPL-2.0+
wdenk3be717f2004-01-03 19:43:48 +0000[diff] [blame]6 *
7 * common/sevenseg.h
8 *
9 * NIOS PIO based seven segment led support functions
10 */
11
12#ifndef __DK1S10_SEVENSEG_H__
13#define __DK1S10_SEVENSEG_H__
14
15#ifdef CONFIG_SEVENSEG
16
17/*
18 * 15 8 7 0
19 * |-----------------------|--------|
20 * | controll value | value |
21 * ----------------------------------
22 */
23#define SEVENSEG_RAW (int)(0) /* write out byte value (hex) */
24#define SEVENSEG_OFF (int)( 1 << 8) /* display switch off */
25#define SEVENSEG_SET_DPL (int)( 2 << 8) /* set dp low nibble */
26#define SEVENSEG_SET_DPH (int)( 3 << 8) /* set dp high nibble */
27#define SEVENSEG_RES_DPL (int)( 4 << 8) /* reset dp low nibble */
28#define SEVENSEG_RES_DPH (int)( 5 << 8) /* reset dp high nibble */
29#define SEVENSEG_TOG_DPL (int)( 6 << 8) /* toggle dp low nibble */
30#define SEVENSEG_TOG_DPH (int)( 7 << 8) /* toggle dp high nibble */
31#define SEVENSEG_LO (int)( 8 << 8) /* write out low nibble only */
32#define SEVENSEG_HI (int)( 9 << 8) /* write out high nibble only */
33#define SEVENSEG_STR (int)(10 << 8) /* write out a string */
34
35#define SEVENSEG_MASK_VAL (0xff) /* only used by SEVENSEG_RAW */
36#define SEVENSEG_MASK_CTRL (~SEVENSEG_MASK_VAL)
37
38#ifdef SEVENSEG_DIGIT_HI_LO_EQUAL
39
40#define SEVENSEG_DIGITS_0 ( SEVENSEG_DIGIT_A \
41 | SEVENSEG_DIGIT_B \
42 | SEVENSEG_DIGIT_C \
43 | SEVENSEG_DIGIT_D \
44 | SEVENSEG_DIGIT_E \
45 | SEVENSEG_DIGIT_F )
46#define SEVENSEG_DIGITS_1 ( SEVENSEG_DIGIT_B \
47 | SEVENSEG_DIGIT_C )
48#define SEVENSEG_DIGITS_2 ( SEVENSEG_DIGIT_A \
49 | SEVENSEG_DIGIT_B \
50 | SEVENSEG_DIGIT_D \
51 | SEVENSEG_DIGIT_E \
52 | SEVENSEG_DIGIT_G )
53#define SEVENSEG_DIGITS_3 ( SEVENSEG_DIGIT_A \
54 | SEVENSEG_DIGIT_B \
55 | SEVENSEG_DIGIT_C \
56 | SEVENSEG_DIGIT_D \
57 | SEVENSEG_DIGIT_G )
58#define SEVENSEG_DIGITS_4 ( SEVENSEG_DIGIT_B \
59 | SEVENSEG_DIGIT_C \
60 | SEVENSEG_DIGIT_F \
61 | SEVENSEG_DIGIT_G )
62#define SEVENSEG_DIGITS_5 ( SEVENSEG_DIGIT_A \
63 | SEVENSEG_DIGIT_C \
64 | SEVENSEG_DIGIT_D \
65 | SEVENSEG_DIGIT_F \
66 | SEVENSEG_DIGIT_G )
67#define SEVENSEG_DIGITS_6 ( SEVENSEG_DIGIT_A \
68 | SEVENSEG_DIGIT_C \
69 | SEVENSEG_DIGIT_D \
70 | SEVENSEG_DIGIT_E \
71 | SEVENSEG_DIGIT_F \
72 | SEVENSEG_DIGIT_G )
73#define SEVENSEG_DIGITS_7 ( SEVENSEG_DIGIT_A \
74 | SEVENSEG_DIGIT_B \
75 | SEVENSEG_DIGIT_C )
76#define SEVENSEG_DIGITS_8 ( SEVENSEG_DIGIT_A \
77 | SEVENSEG_DIGIT_B \
78 | SEVENSEG_DIGIT_C \
79 | SEVENSEG_DIGIT_D \
80 | SEVENSEG_DIGIT_E \
81 | SEVENSEG_DIGIT_F \
82 | SEVENSEG_DIGIT_G )
83#define SEVENSEG_DIGITS_9 ( SEVENSEG_DIGIT_A \
84 | SEVENSEG_DIGIT_B \
85 | SEVENSEG_DIGIT_C \
86 | SEVENSEG_DIGIT_D \
87 | SEVENSEG_DIGIT_F \
88 | SEVENSEG_DIGIT_G )
89#define SEVENSEG_DIGITS_A ( SEVENSEG_DIGIT_A \
90 | SEVENSEG_DIGIT_B \
91 | SEVENSEG_DIGIT_C \
92 | SEVENSEG_DIGIT_E \
93 | SEVENSEG_DIGIT_F \
94 | SEVENSEG_DIGIT_G )
95#define SEVENSEG_DIGITS_B ( SEVENSEG_DIGIT_C \
96 | SEVENSEG_DIGIT_D \
97 | SEVENSEG_DIGIT_E \
98 | SEVENSEG_DIGIT_F \
99 | SEVENSEG_DIGIT_G )
100#define SEVENSEG_DIGITS_C ( SEVENSEG_DIGIT_D \
101 | SEVENSEG_DIGIT_E \
102 | SEVENSEG_DIGIT_G )
103#define SEVENSEG_DIGITS_D ( SEVENSEG_DIGIT_B \
104 | SEVENSEG_DIGIT_C \
105 | SEVENSEG_DIGIT_D \
106 | SEVENSEG_DIGIT_E \
107 | SEVENSEG_DIGIT_G )
108#define SEVENSEG_DIGITS_E ( SEVENSEG_DIGIT_A \
109 | SEVENSEG_DIGIT_D \
110 | SEVENSEG_DIGIT_E \
111 | SEVENSEG_DIGIT_F \
112 | SEVENSEG_DIGIT_G )
113#define SEVENSEG_DIGITS_F ( SEVENSEG_DIGIT_A \
114 | SEVENSEG_DIGIT_E \
115 | SEVENSEG_DIGIT_F \
116 | SEVENSEG_DIGIT_G )
117
118#else /* !SEVENSEG_DIGIT_HI_LO_EQUAL */
119#error SEVENSEG: different pin asssignments not supported
120#endif
121
122void sevenseg_set(int value);
123
124#endif /* CONFIG_SEVENSEG */
125
126#endif /* __DK1S10_SEVENSEG_H__ */