Return to onewirereg.h CVS log

Up to [local] / sys / dev / onewire

Annotation of sys/dev/onewire/onewirereg.h, Revision 1.1

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