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89 lines
2.8 KiB
C
89 lines
2.8 KiB
C
/*
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* Copyright (c) 2007, Takahide Matsutsuka.
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* All rights reserved.
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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
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* copyright notice, this list of conditions and the following
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* disclaimer in the documentation and/or other materials provided
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* with the distribution.
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* 3. The name of the author may not be used to endorse or promote
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* products derived from this software without specific prior
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* written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS
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* OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY
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* DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE
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* GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
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* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
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* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
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* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*
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* $Id: rs232.h,v 1.1 2009/09/08 20:07:35 zdshelby Exp $
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*
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*/
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/*
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* \file
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* This is RS-232C process based on polling.
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* \author
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* Takahide Matsutsuka <markn@markn.org>
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*/
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#ifndef __RS232_H__
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#define __RS232_H__
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/*
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* Implement the following methods for each platform.
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*/
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/*
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* An architecture-depend implementation of RS-232C initialization.
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*/
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void rs232_arch_init(unsigned long ubr);
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/*
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* An architecture-depend implementation of RS-232C polling.
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* @return character, stat == zero if no input.
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*/
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unsigned char rs232_arch_poll(unsigned char* stat);
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/*
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* An architecture-depend implementation of RS-232C writing a byte.
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*/
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void rs232_arch_writeb(unsigned char ch);
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PROCESS_NAME(rs232_process);
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/*
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* if you want to use simple serial communication,
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* define RS232_CONF_CALLBACK as serial_input_byte.
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* The default is SLIP.
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*/
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#ifdef RS232_CONF_CALLBACK
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#define RS232_CALLBACK RS232_CONF_CALLBACK
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#else /* RS232_CONF_CALLBACK */
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#define RS232_CALLBACK slip_input_byte
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#endif /* RS232_CONF_CALLBACK */
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#ifdef RS232_CONF_BUFISZE
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#define RS232_BUFSIZE RS232_CONF_BUFISZE
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#else /* RS232_CONF_BUFISZE */
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#define RS232_BUFSIZE 64
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#endif /* RS232_CONF_BUFISZE */
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#ifdef RS232_CONF_BAUD_RATE
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#define RS232_BAUD_RATE RS232_CONF_BAUD_RATE
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#else /* RS232_CONF_BAUD_RATE */
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#define RS232_BAUD_RATE 9600
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#endif /* RS232_CONF_BAUD_RATE */
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#endif /* __RS232_H__ */
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