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/*
* Copyright (c) 2001-2004 Swedish Institute of Computer Science.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without modification,
* are permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
* 3. The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT
* SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT
* OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
* IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY
* OF SUCH DAMAGE.
*
* This file is part of the lwIP TCP/IP stack.
*/
/*
* This is the interface to the platform specific serial IO module
* It needs to be implemented by those platforms which need SLIP or PPP
*/
#ifndef __SIO_H__
#define __SIO_H__
#include "lwip/arch.h"
#ifdef __cplusplus
extern "C" {
#endif
/* If you want to define sio_fd_t elsewhere or differently,
define this in your cc.h file. */
#ifndef __sio_fd_t_defined
typedef void * sio_fd_t;
#endif
/* The following functions can be defined to something else in your cc.h file
or be implemented in your custom sio.c file. */
#ifndef sio_open
sio_fd_t sio_open(u8_t);
#endif
#ifndef sio_send
void sio_send(u8_t, sio_fd_t);
#endif
#ifndef sio_recv
u8_t sio_recv(sio_fd_t);
#endif
#ifndef sio_read
u32_t sio_read(sio_fd_t, u8_t *, u32_t);
#endif
#ifndef sio_write
u32_t sio_write(sio_fd_t, u8_t *, u32_t);
#endif
#ifndef sio_read_abort
void sio_read_abort(sio_fd_t);
#endif
#ifdef __cplusplus
}
#endif
#endif /* __SIO_H__ */
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