148 lines
4.2 KiB
C
148 lines
4.2 KiB
C
/*
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* Copyright (c) 2007, 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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* $Id: mt-test.c,v 1.3 2009/12/11 14:59:45 matsutsuka Exp $
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*/
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/**
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* \file
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* A very simple Contiki application showing how to use the Contiki
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* Multi-threading library
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* \author
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* Oliver Schmidt <ol.sc@web.de>
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* \author for PC-6001 version
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* Takahide Matsutsuka <markn@markn.org>
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*/
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#include <stdio.h>
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#include "contiki.h"
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#include "ctk.h"
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#include "sys/mt.h"
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#include "mtarch.h"
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#define WIN_XSIZE 10
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#define WIN_YSIZE 10
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static char log[WIN_XSIZE * WIN_YSIZE];
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static struct ctk_window window;
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static struct ctk_label loglabel = {CTK_LABEL(0, 0, WIN_XSIZE, WIN_YSIZE, log)};
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PROCESS(mt_process, "Multi-threading test");
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static char buf[20];
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void
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println(char *str1)
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{
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unsigned int i;
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for(i = 1; i < WIN_YSIZE; i++) {
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memcpy(&log[(i - 1) * WIN_XSIZE], &log[i * WIN_XSIZE], WIN_XSIZE);
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}
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memset(&log[(WIN_YSIZE - 1) * WIN_XSIZE], 0, WIN_XSIZE);
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strncpy(&log[(WIN_YSIZE - 1) * WIN_XSIZE], str1, WIN_XSIZE);
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CTK_WIDGET_REDRAW(&loglabel);
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}
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/*---------------------------------------------------------------------------*/
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static void
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thread_func(char *str, int len)
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{
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println((char *) (str + len));
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mt_yield();
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if(len) {
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thread_func(str, len - 1);
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mt_yield();
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}
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println((char *) (str + len));
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}
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/*---------------------------------------------------------------------------*/
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static void
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thread_main(void *data)
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{
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while(1) {
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thread_func((char *)data, 9);
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}
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mt_exit();
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}
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/*---------------------------------------------------------------------------*/
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PROCESS_THREAD(mt_process, ev, data)
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{
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static struct etimer timer;
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static int toggle = 0;
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static struct mt_thread th1;
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static struct mt_thread th2;
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PROCESS_BEGIN();
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ctk_window_new(&window, WIN_XSIZE, WIN_YSIZE, "Multithread");
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CTK_WIDGET_ADD(&window, &loglabel);
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memset(log, 0, sizeof(log));
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ctk_window_open(&window);
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mt_init();
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mt_start(&th1, thread_main, "JIHGFEDCBA");
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mt_start(&th2, thread_main, "9876543210");
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etimer_set(&timer, CLOCK_SECOND / 2);
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while(1) {
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PROCESS_WAIT_EVENT();
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if(ev == PROCESS_EVENT_TIMER) {
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if(toggle) {
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mt_exec(&th1);
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toggle--;
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} else {
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mt_exec(&th2);
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toggle++;
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}
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etimer_set(&timer, CLOCK_SECOND / 2);
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} else if(ev == ctk_signal_window_close || ev == PROCESS_EVENT_EXIT) {
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ctk_window_close(&window);
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process_exit(&mt_process);
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LOADER_UNLOAD();
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}
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}
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mt_stop(&th1);
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mt_stop(&th2);
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mt_remove();
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while(1) {
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PROCESS_WAIT_EVENT();
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}
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PROCESS_END();
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}
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/*---------------------------------------------------------------------------*/
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