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199 lines
5.0 KiB
C
199 lines
5.0 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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*/
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#include "contiki-esb.h"
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#include <stdio.h>
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PROCESS(pinger, "Pinger");
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static struct uip_udp_conn *conn;
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struct data {
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uint8_t dummy_data[20];
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uint16_t id;
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uint16_t seqno;
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uint8_t pingpong;
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#define PING 0
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#define PONG 1
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};
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static unsigned char pingeron;
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static struct etimer etimer;
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static unsigned short sent_seqno, last_seqno;
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#define PORT 9145
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static int place_id = 0, packet_count = 0;
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/*---------------------------------------------------------------------------*/
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static void
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quit(void)
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{
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process_exit(&pinger);
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LOADER_UNLOAD();
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}
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/*---------------------------------------------------------------------------*/
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static void
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udp_appcall(void *arg)
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{
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struct data *d;
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/* char buf[50];*/
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d = (struct data *)uip_appdata;
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if(uip_newdata()) {
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leds_toggle(LEDS_YELLOW);
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/* beep();*/
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/* if(uip_htons(d->seqno) != last_seqno + 1) {
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leds_toggle(LEDS_RED);
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beep_quick(2);
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}*/
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/* last_seqno = uip_htons(d->seqno);*/
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/* uip_udp_send(sizeof(struct data));*/
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/* snprintf(buf, sizeof(buf), "Packet received id %d signal %u\n",
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d->id, tr1001_sstrength());
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rs232_print(buf);*/
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/* if(d->pingpong == PING) {
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d->pingpong = PONG;
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} else {
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d->pingpong = PING;
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d->seqno = uip_htons(uip_htons(d->seqno) + 1);
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}*/
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/* uip_udp_send(sizeof(struct data));
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timer_restart(&timer);*/
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} else if(uip_poll()) {
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if(pingeron && etimer_expired(&etimer) && packet_count > 0) {
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--packet_count;
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d->id = place_id;
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d->pingpong = PING;
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d->seqno = uip_htons(sent_seqno);
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++sent_seqno;
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uip_udp_send(sizeof(struct data));
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etimer_reset(&etimer);
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leds_toggle(LEDS_GREEN);
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}
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if(packet_count == 0) {
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pingeron = 0;
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}
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}
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}
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/*---------------------------------------------------------------------------*/
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static
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PT_THREAD(config_thread(struct pt *pt, process_event_t ev, process_data_t data))
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{
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static struct etimer pushtimer;
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static int counter;
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PT_BEGIN(pt);
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while(1) {
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PT_WAIT_UNTIL(pt, ev == sensors_event && data == &button_sensor);
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beep();
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leds_on(LEDS_YELLOW);
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etimer_set(&pushtimer, CLOCK_SECOND);
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for(counter = 0; !etimer_expired(&pushtimer); ++counter) {
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etimer_restart(&pushtimer);
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PT_YIELD_UNTIL(pt, (ev == sensors_event && data == &button_sensor) ||
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etimer_expired(&pushtimer));
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}
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place_id = counter;
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beep_quick(place_id);
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pingeron = 1;
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packet_count = 20;
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etimer_set(&etimer, CLOCK_SECOND / 2);
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leds_off(LEDS_YELLOW);
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leds_on(LEDS_RED);
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PT_WAIT_UNTIL(pt, packet_count == 0);
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pingeron = 0;
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leds_off(LEDS_RED);
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}
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PT_END(pt);
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}
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/*---------------------------------------------------------------------------*/
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PROCESS_THREAD(pinger, ev, data)
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{
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static struct pt config_pt;
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PROCESS_BEGIN();
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pingeron = 0;
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conn = udp_broadcast_new(UIP_HTONS(PORT), NULL);
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PT_INIT(&config_pt);
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button_sensor.configure(SENSORS_ACTIVE, 1);
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while(1) {
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config_thread(&config_pt, ev, data);
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PROCESS_WAIT_EVENT();
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printf("Event %d\n", ev);
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beep();
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if(ev == tcpip_event) {
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udp_appcall(data);
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}
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if(ev == PROCESS_EVENT_TIMER && etimer_expired(&etimer)) {
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tcpip_poll_udp(conn);
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}
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}
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PROCESS_END();
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}
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/*---------------------------------------------------------------------------*/
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