110 lines
3.8 KiB
C
110 lines
3.8 KiB
C
/*
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* Copyright (c) 2005, 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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* @(#)$Id: ctk-termserial.c,v 1.1 2007/05/26 21:46:28 oliverschmidt Exp $
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*/
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#include "contiki.h"
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#include "loader.h"
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#include "ctk-term.h"
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#include "serial32.h"
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/*-----------------------------------------------------------------------------------*/
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/*
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* #defines and enums
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*/
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/*-----------------------------------------------------------------------------------*/
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#define SIO_POLL(c) (SerialRead(&c) == 1)
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#define SIO_SEND(c) SerialWrite(c)
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#define SIO_INIT SerialOpenPort("COM1")
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#ifdef CTK_TERM_CONF_SERIAL_BUFFER_SIZE
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#define OUTPUT_BUFFER_SIZE CTK_TERM_CONF_SERIAL_BUFFER_SIZE
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#else
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#define OUTPUT_BUFFER_SIZE 200
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#endif
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/*-----------------------------------------------------------------------------------*/
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/*
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* Local variables
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*/
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/*-----------------------------------------------------------------------------------*/
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static ek_id_t id = EK_ID_NONE;
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static struct ctk_term_state* termstate;
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static unsigned char outbuffer[OUTPUT_BUFFER_SIZE];
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EK_POLLHANDLER(pollhandler);
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EK_EVENTHANDLER(eventhandler, ev, data);
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EK_PROCESS(p, "CTK serial server", EK_PRIO_NORMAL,
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eventhandler, pollhandler, NULL);
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/*-----------------------------------------------------------------------------------*/
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/*
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* Idle function
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*/
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/*-----------------------------------------------------------------------------------*/
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EK_POLLHANDLER(pollhandler)
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{
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unsigned char c;
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unsigned short len;
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while(SIO_POLL(c)) {
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ctk_term_input(termstate, c);
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}
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len = ctk_term_send(termstate, outbuffer, OUTPUT_BUFFER_SIZE);
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if (len > 0) {
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unsigned short i;
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for (i=0; i < len; ++i) {
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SIO_SEND(outbuffer[i]);
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}
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ctk_term_sent(termstate);
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}
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}
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/*-----------------------------------------------------------------------------------*/
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/*
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* Init function
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*/
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/*-----------------------------------------------------------------------------------*/
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LOADER_INIT_FUNC(ctk_termserial_init, arg)
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{
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arg_free(arg);
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SIO_INIT;
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termstate = ctk_term_alloc_state();
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if (termstate == NULL) return;
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if(id == EK_ID_NONE) {
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id = ek_start(&p);
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}
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}
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/*-----------------------------------------------------------------------------------*/
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EK_EVENTHANDLER(eventhandler, ev, data)
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{
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}
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