87 lines
2.8 KiB
C
87 lines
2.8 KiB
C
/**
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* \addtogroup slip
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* @{
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*/
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/**
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* \file
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* SLIP header file.
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* \author Adam Dunkels <adam@dunkels.com>
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*/
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/*
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* Copyright (c) 2001, Adam Dunkels.
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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 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
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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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* This file is part of the uIP TCP/IP stack.
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*
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*
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*/
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#ifndef SLIPDEV_H_
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#define SLIPDEV_H_
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#include "uip.h"
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/**
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* Put a character on the serial device.
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*
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* This function is used by the SLIP implementation to put a character
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* on the serial device. It must be implemented specifically for the
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* system on which the SLIP implementation is to be run.
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*
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* \param c The character to be put on the serial device.
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*/
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void slipdev_char_put(uint8_t c);
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/**
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* Poll the serial device for a character.
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*
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* This function is used by the SLIP implementation to poll the serial
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* device for a character. It must be implemented specifically for the
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* system on which the SLIP implementation is to be run.
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*
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* The function should return immediately regardless if a character is
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* available or not. If a character is available it should be placed
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* at the memory location pointed to by the pointer supplied by the
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* argument c.
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*
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* \param c A pointer to a byte that is filled in by the function with
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* the received character, if available.
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*
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* \retval 0 If no character is available.
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* \retval Non-zero If a character is available.
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*/
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uint8_t slipdev_char_poll(uint8_t *c);
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void slipdev_init(void);
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uint8_t slipdev_send(void);
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uint16_t slipdev_poll(void);
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#endif /* SLIPDEV_H_ */
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/** @} */
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