/*
* Copyright (c) 2015, Copyright Robert Olsson / Radio Sensors AB
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. Neither the name of the Institute nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
* This file is part of the Contiki operating system.
*
*
* Author : Robert Olsson robert@radio-sensors.com
* Created : 2015-12-28
*/
/**
* \file
* A simple application reporting sensor data. Can be sensd
*/
#include <string.h>
#include "contiki-net.h"
#include "leds.h"
#include "dev/leds.h"
#include "dev/battery-sensor.h"
#include "dev/temp-sensor.h"
#include "dev/temp_mcu-sensor.h"
#include "dev/light-sensor.h"
#include "dev/pulse-sensor.h"
#ifdef CO2
#include "dev/co2_sa_kxx-sensor.h"
#endif
#ifndef PERIOD
#define PERIOD 10
#endif
#define REPORT_INTERVAL (PERIOD * CLOCK_SECOND)
#define DEBUG DEBUG_PRINT
#include "uip-debug.h"
#define PORT 1234
#define MAX_PAYLOAD_LEN 80
static struct psock ps;
static uint8_t out_buf[MAX_PAYLOAD_LEN];
static char in_buffer[MAX_PAYLOAD_LEN];
static int i;
static int send_now;
static clock_time_t report_interval = REPORT_INTERVAL;
static uint8_t state;
static uip_ipaddr_t addr;
static struct timer t, t1;
static struct etimer et, et1;
PROCESS(sensd_client_process, "sensd TCP client process");
PROCESS(report_timer_process, "report pacemaker");
AUTOSTART_PROCESSES
(&sensd_client_process,&report_timer_process);
static int
do_report(void)
{
static int seq_id;
int len = 0;
seq_id++;
len += snprintf((char *) &out_buf[len], sizeof(out_buf), "&: ");
len += snprintf((char *) &out_buf[len], sizeof(out_buf), "TXT=ERICSON-6LOWPAN ");
len += snprintf((char *) &out_buf[len], sizeof(out_buf), "TARGET=avr-rss2 ");
len += snprintf((char *) &out_buf[len], sizeof(out_buf), "V_MCU=%-d ", battery_sensor.value(0));
len += snprintf((char *) &out_buf[len], sizeof(out_buf), "T_MCU=%-d ", temp_mcu_sensor.value(0));
len += snprintf((char *) &out_buf[len], sizeof(out_buf), "LIGHT=%-d ", light_sensor.value(0));
#ifdef CO2
len += snprintf((char *) &out_buf[len], sizeof(out_buf), "CO2=%-d ", co2_sa_kxx_sensor.value(CO2_SA_KXX_CO2));
#endif
len += snprintf((char *) &out_buf[len], sizeof(out_buf), "\n\r");
return len;
}
static void
print_local_addresses(void)
{
PRINTF("Server IPv6 addresses:\n\r");
for(i = 0; i < UIP_DS6_ADDR_NB; i++) {
state = uip_ds6_if.addr_list[i].state;
if(uip_ds6_if.addr_list[i].isused &&
(state == ADDR_TENTATIVE || state == ADDR_PREFERRED)) {
PRINT6ADDR(&uip_ds6_if.addr_list[i].ipaddr);
PRINTF("\n\r");
}
}
}
static void
set_global_address(void)
{
uip_ipaddr_t ipaddr;
uip_ip6addr(&ipaddr, 0xfd00, 0, 0, 0, 0, 0, 0, 0);
uip_ds6_set_addr_iid(&ipaddr, &uip_lladdr);
uip_ds6_addr_add(&ipaddr, 0, ADDR_AUTOCONF);
}
static int handle_connection(struct psock *p, long ts) {
PSOCK_BEGIN(p);
if(send_now) {
do_report();
leds_on(LEDS_YELLOW);
PSOCK_SEND(p, (const uint8_t *) out_buf, strlen((const char *) out_buf));
send_now = 0;
}
PSOCK_END(p);
}
PROCESS_THREAD(report_timer_process, ev, data) {
PROCESS_BEGIN();
while(1) {
timer_set(&t1, report_interval);
etimer_set(&et1, timer_remaining(&t1));
PROCESS_WAIT_EVENT_UNTIL(etimer_expired(&et1));
send_now = 1;
leds_on(LEDS_RED);
}
PROCESS_END();
}
PROCESS_THREAD(sensd_client_process, ev, data) {
PROCESS_BEGIN();
set_global_address();
print_local_addresses();
SENSORS_ACTIVATE(temp_sensor);
SENSORS_ACTIVATE(battery_sensor);
SENSORS_ACTIVATE(temp_mcu_sensor);
SENSORS_ACTIVATE(light_sensor);
SENSORS_ACTIVATE(pulse_sensor);
#ifdef CO2
SENSORS_ACTIVATE(co2_sa_kxx_sensor);
#endif
leds_init();
leds_on(LEDS_RED);
leds_on(LEDS_YELLOW);
printf("Starting TCP client on port=%d\n", PORT);
/* Set server address. typically sensd */
//uip_ip6addr(&addr, 0xfe80, 0, 0, 0, 0xfec2, 0x3d00, 1, 0x63ae);
//uip_ip6addr(&addr, 0x0000, 0, 0, 0, 0, 0xffff, 0xc0a8, 0x0201);
//uip_ip6addr(&addr, 0x0000, 0, 0, 0, 0, 0xffff, 0xc0a8, 0x0255);
uip_ip6addr(&addr, 0x0000, 0, 0, 0, 0, 0xffff, 0xc010, 0x7dea); //192.16.125.234
random_init(50);
while(1) {
/* Delay connection attempts */
timer_set(&t, 2*CLOCK_SECOND);
etimer_set(&et, timer_remaining(&t));
PROCESS_WAIT_EVENT_UNTIL(etimer_expired(&et));
/* Time out teh actual connection attempt */
timer_set(&t, 10*CLOCK_SECOND);
printf("Connecting");
tcp_connect(&addr, UIP_HTONS(PORT), NULL);
PROCESS_WAIT_EVENT_UNTIL(ev == tcpip_event);
if(uip_aborted() || uip_timedout() || uip_closed()) {
printf(" Failed\n");
} else if(uip_connected()) {
printf(" Success\n");
PSOCK_INIT(&ps, (uint8_t *)in_buffer, sizeof(in_buffer));
do {
handle_connection(&ps, clock_seconds());
PROCESS_WAIT_EVENT_UNTIL(ev == tcpip_event);
} while(!(uip_closed() || uip_aborted() || uip_timedout()));
printf("Disconnected\n");
}
}
PROCESS_END();
}