85 lines
2.8 KiB
C
85 lines
2.8 KiB
C
/*
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* Copyright (c) 2017, Swedish Institute of Computer Science
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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. Neither the name of the Institute nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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* This file is part of the Contiki operating system.
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*
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* Author: Oliver Schmidt <ol.sc@web.de>
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*
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*/
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#include <serial.h>
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#include <stdlib.h>
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#include "contiki-net.h"
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#include "sys/log.h"
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#include "lib/error.h"
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#include "lib/config.h"
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#include "dev/slip.h"
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#if WITH_SLIP
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/*---------------------------------------------------------------------------*/
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void
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slip_arch_init(unsigned long ubr)
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{
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unsigned err;
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err = ser_install(STATIC_DRIVER);
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if(err == SER_ERR_OK) {
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err = ser_open((struct ser_params *)config.slip);
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if(err == SER_ERR_OK)
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atexit((void (*)(void))ser_close);
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}
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if(err != SER_ERR_OK) {
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err += '0';
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/* High byte of err serves as string termination. */
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log_message("Serial init error code: ", (char *)&err);
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error_exit();
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}
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tcpip_set_outputfunc(slip_send);
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}
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/*---------------------------------------------------------------------------*/
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void
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slip_arch_writeb(unsigned char c)
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{
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while(ser_put(c) == SER_ERR_OVERFLOW)
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;
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}
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/*---------------------------------------------------------------------------*/
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void
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slip_arch_poll(void)
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{
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static unsigned char c;
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while(ser_get(&c) != SER_ERR_NO_DATA)
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slip_input_byte(c);
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}
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/*---------------------------------------------------------------------------*/
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#endif /* WITH_SLIP */
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