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63 lines
2.6 KiB
C
63 lines
2.6 KiB
C
/*
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* Copyright (c) 1998 Scottibox
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* All rights reserved.
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*
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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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* in this position and unchanged.
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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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* 3. The name of the author may not be used to endorse or promote products
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* derived from this software without specific prior written permission
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*
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* Industrial Computer Source model AIO8-P
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* 128 channel MUX capability via daisy chained AT-16P units
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* alogio.h, definitions for alog ioctl(), last revised January 6 1998
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* See http://www.scottibox.com
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* http://www.indcompsrc.com/products/data/html/aio8g-p.html
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* http://www.indcompsrc.com/products/data/html/at16-p.html
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*
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* Written by: Jamil J. Weatherbee <jamil@scottibox.com>
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*
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*/
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#ifndef _SYS_ALOGIO_H_
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#define _SYS_ALOGIO_H_
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#ifndef KERNEL
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#include <sys/types.h>
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#endif
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#include <sys/ioccom.h>
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/* Note: By default A/D conversions are started when a channel is open */
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/* Halt clocked A/D conversion on an open channel */
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#define AD_STOP _IO('A', 100)
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/* Restart clocked A/D conversion on an open channel */
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#define AD_START _IO('A', 101)
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/* Get the number of entries the fifo for this channel will hold */
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#define AD_FIFOSIZE_GET _IOR('A', 102, int)
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/* Set the minimum number of entries a fifo must contain before it
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* notifies a poll() or read() that is waiting for it to fill */
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#define AD_FIFO_TRIGGER_SET _IOW('A', 103, int)
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/* This gets the the fifo trigger setting */
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#define AD_FIFO_TRIGGER_GET _IOR('A', 104, int)
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#endif
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