144 lines
4.9 KiB
C
144 lines
4.9 KiB
C
/*
|
|
* Copyright (c) 2015 NXP B.V.
|
|
* 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 NXP B.V. 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 NXP B.V. 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 NXP B.V. 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: Theo van Daele <theo.van.daele@nxp.com>
|
|
*
|
|
*/
|
|
#include "contiki.h"
|
|
#include "net/ip/uip.h"
|
|
#include "tools/rpl-tools.h"
|
|
#include "rest-engine.h"
|
|
#include "sys/ctimer.h"
|
|
#include <stdio.h>
|
|
#include "dev/leds.h"
|
|
|
|
static void ct_callback(void *ptr);
|
|
static void put_post_led_toggle_handler(void *request, void *response, uint8_t *buffer, uint16_t preferred_size, int32_t *offset);
|
|
|
|
static char content[REST_MAX_CHUNK_SIZE];
|
|
static int content_len = 0;
|
|
static struct ctimer ct;
|
|
|
|
#define CONTENT_PRINTF(...) { if(content_len < sizeof(content)) { content_len += snprintf(content + content_len, sizeof(content) - content_len, __VA_ARGS__); } }
|
|
|
|
/* On dongle, LEDs are connected anti-parallel to DIO pins. */
|
|
|
|
#define TOGGLE_TIME CLOCK_SECOND
|
|
/*---------------------------------------------------------------------------*/
|
|
PROCESS(start_app, "START_APP");
|
|
AUTOSTART_PROCESSES(&start_app);
|
|
/*---------------------------------------------------------------------------*/
|
|
|
|
/* Call back for led toggle timer to toggle leds */
|
|
static void
|
|
ct_callback(void *ptr)
|
|
{
|
|
static uint8 toggle_status = 0;
|
|
if(toggle_status) {
|
|
leds_set(LEDS_RED);
|
|
} else {
|
|
leds_set(LEDS_GREEN);
|
|
} ctimer_restart(&ct);
|
|
toggle_status ^= 0x01;
|
|
}
|
|
/*********** CoAP sensor/ resource ************************************************/
|
|
RESOURCE(resource_led_toggle,
|
|
"title=\"Led_toggle\"",
|
|
NULL,
|
|
put_post_led_toggle_handler,
|
|
put_post_led_toggle_handler,
|
|
NULL);
|
|
static void
|
|
put_post_led_toggle_handler(void *request, void *response, uint8_t *buffer, uint16_t preferred_size, int32_t *offset)
|
|
{
|
|
static int led_state = 0;
|
|
unsigned int accept = -1;
|
|
|
|
/* Given the way the LEDs are connected to the DIO ports, the LEDs are controlled via direct DIO access. */
|
|
content_len = 0;
|
|
switch(led_state) {
|
|
case (0):
|
|
ctimer_stop(&ct);
|
|
leds_set(LEDS_GREEN); /* Only LEDS_GREEN on */
|
|
CONTENT_PRINTF("Message from resource: Green LED on");
|
|
led_state = 1;
|
|
break;
|
|
case (1):
|
|
leds_set(LEDS_RED); /* Only LEDS_RED on */
|
|
CONTENT_PRINTF("Message from resource: Red LED on");
|
|
led_state = 2;
|
|
break;
|
|
case (2):
|
|
leds_set(0); /* All LEDS off */
|
|
CONTENT_PRINTF("Message from resource: All LEDs off");
|
|
led_state = 3;
|
|
break;
|
|
case 3:
|
|
/* Both leds toggle */
|
|
CONTENT_PRINTF("Message from resource: LEDs toggle");
|
|
ctimer_restart(&ct);
|
|
led_state = 0;
|
|
default:
|
|
break;
|
|
}
|
|
/* Return message */
|
|
REST.get_header_accept(request, &accept);
|
|
if(accept == -1 || accept == REST.type.TEXT_PLAIN) {
|
|
REST.set_header_content_type(response, REST.type.TEXT_PLAIN);
|
|
REST.set_response_payload(response, (uint8_t *)content, content_len);
|
|
}
|
|
}
|
|
/*---------------------------------------------------------------------------*/
|
|
PROCESS_THREAD(start_app, ev, data)
|
|
{
|
|
PROCESS_BEGIN();
|
|
static int is_coordinator = 0;
|
|
|
|
/* Switch off dongle leds */
|
|
|
|
/* Initialise ct timer, but don't let it run yet */
|
|
ctimer_set(&ct, TOGGLE_TIME, ct_callback, NULL);
|
|
ctimer_stop(&ct);
|
|
|
|
/* Start net stack */
|
|
if(is_coordinator) {
|
|
uip_ipaddr_t prefix;
|
|
uip_ip6addr(&prefix, 0xaaaa, 0, 0, 0, 0, 0, 0, 0);
|
|
rpl_tools_init(&prefix);
|
|
} else {
|
|
rpl_tools_init(NULL);
|
|
} printf("Starting RPL node\n");
|
|
|
|
rest_init_engine();
|
|
rest_activate_resource(&resource_led_toggle, "Dongle/LED-toggle");
|
|
|
|
PROCESS_END();
|
|
}
|