deac/osd-contiki
1
0
Fork 0
Code Issues Pull requests Releases Wiki Activity

nrf52dk: added examples

Browse source
This commit is contained in:
Wojciech Bober 2016-01-09 14:44:58 +01:00
parent d39ad95db5
commit 38481c513d
16 changed files with 1826 additions and 0 deletions
Download patch file Download diff file Expand all files Collapse all files

185
examples/nrf52dk/coap-demo/coap-client.c Normal file
View file

@ -0,0 +1,185 @@
/*
* Copyright (c) 2014, Daniele Alessandrelli.
* Copyright (c) 2015, Nordic Semiconductor
* 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.
*/
/**
* \addtogroup nrf52dk-examples Demo projects for nRF52 DK
* @{
*
* \defgroup nrf52dk-coap-demo CoAP demo for nRF52 DK
* @{
*
* \file
* Erbium (Er) CoAP observe client example.
* \author
* Daniele Alessandrelli <daniele.alessandrelli@gmail.com>
* \author
* Wojciech Bober <wojciech.bober@nordicsemi.no>
*/
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include "contiki.h"
#include "contiki-net.h"
#include "er-coap-engine.h"
#include "dev/button-sensor.h"
#include "dev/leds.h"
#define DEBUG 0
#if DEBUG
#include <stdio.h>
#define PRINTF(...) printf(__VA_ARGS__)
#else
#define PRINTF(...)
#endif
/*----------------------------------------------------------------------------*/
#define REMOTE_PORT UIP_HTONS(COAP_DEFAULT_PORT)
#define OBS_RESOURCE_URI "lights/led3"
#define SUBS_LED LEDS_4
#define OBS_LED LEDS_3
/*----------------------------------------------------------------------------*/
static uip_ipaddr_t server_ipaddr[1]; /* holds the server ip address */
static coap_observee_t *obs;
static struct ctimer ct;
/*----------------------------------------------------------------------------*/
PROCESS(er_example_observe_client, "nRF52 DK Coap Observer Client");
AUTOSTART_PROCESSES(&er_example_observe_client);
/*----------------------------------------------------------------------------*/
static void
observe_led_off(void *d)
{
leds_off(SUBS_LED);
}
/*----------------------------------------------------------------------------*/
/*
* Handle the response to the observe request and the following notifications
*/
static void
notification_callback(coap_observee_t *obs, void *notification,
coap_notification_flag_t flag)
{
int len = 0;
const uint8_t *payload = NULL;
PRINTF("Notification handler\n");
PRINTF("Observee URI: %s\n", obs->url);
if (notification) {
len = coap_get_payload(notification, &payload);
}
(void)len;
switch (flag) {
case NOTIFICATION_OK:
PRINTF("NOTIFICATION OK: %*s\n", len, (char *)payload);
if (*payload == '1') {
leds_on(OBS_LED);
} else {
leds_off(OBS_LED);
}
break;
case OBSERVE_OK: /* server accepeted observation request */
PRINTF("OBSERVE_OK: %*s\n", len, (char *)payload);
if (*payload == '1') {
leds_on(OBS_LED);
} else {
leds_off(OBS_LED);
}
leds_on(SUBS_LED);
ctimer_set(&ct, CLOCK_SECOND, observe_led_off, NULL);
break;
case OBSERVE_NOT_SUPPORTED:
PRINTF("OBSERVE_NOT_SUPPORTED: %*s\n", len, (char *)payload);
obs = NULL;
break;
case ERROR_RESPONSE_CODE:
PRINTF("ERROR_RESPONSE_CODE: %*s\n", len, (char *)payload);
obs = NULL;
break;
case NO_REPLY_FROM_SERVER:
PRINTF("NO_REPLY_FROM_SERVER: "
"removing observe registration with token %x%x\n",
obs->token[0], obs->token[1]);
obs = NULL;
break;
}
}
/*----------------------------------------------------------------------------*/
/*
* The main (proto-)thread. It starts/stops the observation of the remote
* resource every time the timer elapses or the button (if available) is
* pressed
*/
PROCESS_THREAD(er_example_observe_client, ev, data)
{
PROCESS_BEGIN();
uiplib_ipaddrconv(SERVER_IPV6_ADDR, server_ipaddr);
/* receives all CoAP messages */
coap_init_engine();
#if PLATFORM_HAS_BUTTON
SENSORS_ACTIVATE(button_1);
SENSORS_ACTIVATE(button_2);
#endif
/* toggle observation every time the timer elapses or the button is pressed */
while (1) {
PROCESS_YIELD();
#if PLATFORM_HAS_BUTTON
if (ev == sensors_event) {
if (data == &button_1 && button_1.value(BUTTON_SENSOR_VALUE_STATE) == 0) {
PRINTF("Starting observation\n");
obs = coap_obs_request_registration(server_ipaddr, REMOTE_PORT,
OBS_RESOURCE_URI, notification_callback,
NULL);
}
if (data == &button_2 && button_2.value(BUTTON_SENSOR_VALUE_STATE) == 0) {
PRINTF("Stopping observation\n");
coap_obs_remove_observee(obs);
obs = NULL;
}
}
#endif
}
PROCESS_END();
}
/**
* @}
* @}
*/