onewirereg.h revision 1.3.2.2 1 1.3.2.2 elad /* $NetBSD: onewirereg.h,v 1.3.2.2 2006/04/19 03:25:33 elad Exp $ */
2 1.3.2.2 elad /* $OpenBSD: onewirereg.h,v 1.1 2006/03/04 16:27:03 grange Exp $ */
3 1.3.2.2 elad
4 1.3.2.2 elad /*
5 1.3.2.2 elad * Copyright (c) 2006 Alexander Yurchenko <grange (at) openbsd.org>
6 1.3.2.2 elad *
7 1.3.2.2 elad * Permission to use, copy, modify, and distribute this software for any
8 1.3.2.2 elad * purpose with or without fee is hereby granted, provided that the above
9 1.3.2.2 elad * copyright notice and this permission notice appear in all copies.
10 1.3.2.2 elad *
11 1.3.2.2 elad * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
12 1.3.2.2 elad * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
13 1.3.2.2 elad * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
14 1.3.2.2 elad * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
15 1.3.2.2 elad * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
16 1.3.2.2 elad * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
17 1.3.2.2 elad * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
18 1.3.2.2 elad */
19 1.3.2.2 elad
20 1.3.2.2 elad #ifndef _DEV_ONEWIRE_ONEWIREREG_H_
21 1.3.2.2 elad #define _DEV_ONEWIRE_ONEWIREREG_H_
22 1.3.2.2 elad
23 1.3.2.2 elad /*
24 1.3.2.2 elad * 1-Wire bus protocol definitions.
25 1.3.2.2 elad */
26 1.3.2.2 elad
27 1.3.2.2 elad /*
28 1.3.2.2 elad * 64-bit ROM section.
29 1.3.2.2 elad */
30 1.3.2.2 elad
31 1.3.2.2 elad /* Family code */
32 1.3.2.2 elad #define ONEWIRE_ROM_FAMILY(x) ((x) & 0xff)
33 1.3.2.2 elad #define ONEWIRE_ROM_FAMILY_TYPE(x) ((x) & 0x7f)
34 1.3.2.2 elad #define ONEWIRE_ROM_FAMILY_CUSTOM(x) (((x) >> 7) & 0x1)
35 1.3.2.2 elad
36 1.3.2.2 elad /* Serial number */
37 1.3.2.2 elad #define ONEWIRE_ROM_SN(x) (((x) >> 8) & 0xffffffffffffULL)
38 1.3.2.2 elad
39 1.3.2.2 elad /* CRC */
40 1.3.2.2 elad #define ONEWIRE_ROM_CRC(x) (((x) >> 56) & 0xff)
41 1.3.2.2 elad
42 1.3.2.2 elad /*
43 1.3.2.2 elad * Command set.
44 1.3.2.2 elad */
45 1.3.2.2 elad
46 1.3.2.2 elad /* ROM commands */
47 1.3.2.2 elad #define ONEWIRE_CMD_READ_ROM 0x33
48 1.3.2.2 elad #define ONEWIRE_CMD_SKIP_ROM 0xcc
49 1.3.2.2 elad #define ONEWIRE_CMD_MATCH_ROM 0x55
50 1.3.2.2 elad #define ONEWIRE_CMD_SEARCH_ROM 0xf0
51 1.3.2.2 elad #define ONEWIRE_CMD_OVERDRIVE_SKIP_ROM 0x3c
52 1.3.2.2 elad #define ONEWIRE_CMD_OVERDRIVE_MATCH_ROM 0x69
53 1.3.2.2 elad
54 1.3.2.2 elad /* Scratchpad commands */
55 1.3.2.2 elad #define ONEWIRE_CMD_READ_SCRATCHPAD 0xaa
56 1.3.2.2 elad #define ONEWIRE_CMD_WRITE_SCRATCHPAD 0x0f
57 1.3.2.2 elad #define ONEWIRE_CMD_COPY_SCRATCHPAD 0x55
58 1.3.2.2 elad
59 1.3.2.2 elad /* Memory commands */
60 1.3.2.2 elad #define ONEWIRE_CMD_READ_MEMORY 0xf0
61 1.3.2.2 elad #define ONEWIRE_CMD_WRITE_MEMORY 0x0f
62 1.3.2.2 elad #define ONEWIRE_CMD_EXT_READ_MEMORY 0xa5
63 1.3.2.2 elad
64 1.3.2.2 elad /* Password commands */
65 1.3.2.2 elad #define ONEWIRE_CMD_READ_SUBKEY 0x66
66 1.3.2.2 elad #define ONEWIRE_CMD_WRITE_SUBKEY 0x99
67 1.3.2.2 elad #define ONEWIRE_CMD_WRITE_PASSWORD 0x5a
68 1.3.2.2 elad
69 1.3.2.2 elad /* Status commands */
70 1.3.2.2 elad #define ONEWIRE_CMD_READ_STATUS 0xaa
71 1.3.2.2 elad #define ONEWIRE_CMD_WRITE_STATUS 0x55
72 1.3.2.2 elad
73 1.3.2.2 elad #endif /* !_DEV_ONEWIRE_ONEWIREREG_H_ */
74