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Add sio.h containing interface to platform specific serial layer.Make slipif use it instead of defining extern functions.This is in preparation for PPP

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jani 2003-03-24 10:54:03 +00:00
parent 6457b93a1f
commit c60d0de919
2 changed files with 41 additions and 5 deletions
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40
src/include/lwip/sio.h Normal file
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@ -0,0 +1,40 @@
/*
* Copyright (c) 2001-2003 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
* This is still preliminary and will surely be extended for PPP
*/
#include "arch/cc.h"
void * sio_open(u8_t);
void sio_send(u8_t, void*);
u8_t sio_recv(void *);

6
src/netif/slipif.c
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@ -42,6 +42,7 @@
#include "lwip/pbuf.h"
#include "lwip/sys.h"
#include "lwip/stats.h"
#include "lwip/sio.h"
#define SLIP_END 0300
#define SLIP_ESC 0333
@ -50,11 +51,6 @@
#define MAX_SIZE 1500
/* Low level serial functions */
extern void sio_send(u8_t, void*);
extern u8_t sio_recv(void *);
extern void * sio_open(u8_t);
/**
* Send a pbuf doing the necessary SLIP encapsulation
*