165 lines
4.1 KiB
C
165 lines
4.1 KiB
C
/*
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* Copyright (c) 2006, Technical University of Munich
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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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* @(#)$$
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*/
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/**
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* \file
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* Sample Contiki kernel for STK 501 development board
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*
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* \author
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* Simon Barner <barner@in.tum.de
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*/
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/* Patched to allow hello-world ipv4 and ipv6 build */
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#include <avr/pgmspace.h>
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#include <stdio.h>
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#include "net/uip_arp.h"
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#include "contiki-stk501.h"
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//#include "../core/cfs/cfs-eeprom.h"
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#include "cfs/cfs.h"
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#include "dev/eeprom.h"
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#include "lib/mmem.h"
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#include "loader/symbols-def.h"
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#include "loader/symtab.h"
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#include "../apps/codeprop/codeprop.h"
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#include "sys/mt.h"
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/* Uncomment to enable demonstration of multi-threading libary */
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/* #define MT_DEMO */
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#define PRINTF(FORMAT,args...) printf_P(PSTR(FORMAT),##args)
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//TODO: What happened to cfs_eeprom_process?
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//PROCINIT(&etimer_process, &tcpip_process, &uip_fw_process, &cfs_eeprom_process);
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#if UIP_CONF_IPV6
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PROCINIT(&etimer_process, &tcpip_process);
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#else
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PROCINIT(&etimer_process, &tcpip_process, &uip_fw_process);
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#endif
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#ifdef MT_DEMO
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static struct mt_thread threads[3];
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static
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void thread_handler1 (void* data) {
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while (1) {
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PRINTF ("Thread 1. Data: 0x%x, %d\n", data, *(uint8_t*)data );
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mt_yield ();
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}
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}
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static
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void thread_handler2 (void* data) {
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while (1) {
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PRINTF ("Thread 2. Data: 0x%x, %d\n", data, *(uint8_t*)data );
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mt_yield ();
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}
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}
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#endif
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PROCESS(contiki_stk501_main_init_process, "Contiki STK501 init process");
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PROCESS_THREAD(contiki_stk501_main_init_process, ev, data)
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{
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PROCESS_BEGIN();
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/* Network support (uIP) */
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init_net();
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/* Initalize heap allocator */
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mmem_init ();
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/* Code propagator */
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/* TODO: The core elfloader-avr.c has 16/32 bit pointer problems so this won't build */
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//process_start(&codeprop_process, NULL);
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/* Multi-threading support */
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#ifdef MT_DEMO
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mt_init ();
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#endif
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PROCESS_END();
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}
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#ifdef MT_DEMO
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static uint8_t d1=1, d2=2, d3=3;
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#endif
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int
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main(void)
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{
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/*
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* GCC depends on register r1 set to 0.
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*/
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asm volatile ("clr r1");
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/* Initialize hardware */
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init_lowlevel();
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/* Clock */
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clock_init();
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/* Process subsystem */
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process_init();
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/* Register initial processes */
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procinit_init();
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/* Perform rest of initializations */
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process_start(&contiki_stk501_main_init_process, NULL);
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PRINTF"Initialized.\n");
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#ifdef MT_DEMO
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mt_start (&threads[0], thread_handler1, &d1);
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mt_start (&threads[1], thread_handler2, &d2);
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mt_start (&threads[2], thread_handler2, &d3);
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uint8_t i;
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#endif
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/* Main scheduler loop */
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while(1) {
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process_run();
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#ifdef MT_DEMO
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for (i=0; i<3; ++i) {
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mt_exec (&threads[i]);
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}
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#endif
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}
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return 0;
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}
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