f86e60008b
o Remove All Rights Reserved from my notices o imp@FreeBSD.org everywhere o regularize punctiation, eliminate date ranges o Make sure that it's clear that I don't claim All Rights reserved by listing All Rights Reserved on same line as other copyright holders (but not me). Other such holders are also listed last where it's clear.
78 lines
2.2 KiB
Objective-C
78 lines
2.2 KiB
Objective-C
#-
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# Copyright (c) 2015 M. Warner Losh <imp@FreeBSD.org>
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#
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# Redistribution and use in source and binary forms, with or without
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# modification, are permitted provided that the following conditions
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# are met:
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# 1. Redistributions of source code must retain the above copyright
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# notice, this list of conditions and the following disclaimer.
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# 2. Redistributions in binary form must reproduce the above copyright
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# notice, this list of conditions and the following disclaimer in the
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# documentation and/or other materials provided with the distribution.
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#
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# THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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# ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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# ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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# FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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# DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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# OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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# HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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# LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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# OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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# SUCH DAMAGE.
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#
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# $FreeBSD$
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#
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#include <sys/bus.h>
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#include <dev/ow/ow.h>
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INTERFACE own;
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#
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# Dallas Semiconductor 1-Wire bus network and transport layer (own)
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#
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# See Maxim Application Note AN937: Book of iButton Standards for the
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# 1-Wire protocol specification.
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# http://pdfserv.maximintegrated.com/en/an/AN937.pdf
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#
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# Note: 1-Wire is a registered trademark of Maxim Integrated Products, Inc.
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#
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#
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# Send a command up the stack.
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#
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METHOD int send_command {
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device_t ndev; /* Network (bus) level device */
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device_t pdev; /* Device to send command for */
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struct ow_cmd *cmd; /* Pointer to filled in command */
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};
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#
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# Grab exclusive use of the bus (advisory)
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#
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METHOD int acquire_bus {
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device_t ndev;
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device_t pdev;
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int how;
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};
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#
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# Release exclusive use of the bus (advisory)
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#
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METHOD void release_bus {
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device_t ndev;
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device_t pdev;
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};
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#
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# Compute a CRC for a given range of bytes
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#
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METHOD uint8_t crc {
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device_t ndev;
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device_t pdev;
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uint8_t *buffer;
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size_t len;
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};
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