osd-contiki/examples/nrf52dk/coap-demo/coap-server.c

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2016-01-09 14:44:58 +01:00
/*
* Copyright (c) 2013, Institute for Pervasive Computing, ETH Zurich
* 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 nRF52dk
* @{
*
* \file
* Erbium (Er) REST Engine example.
* \author
* Matthias Kovatsch <kovatsch@inf.ethz.ch>
* \author
* Wojciech Bober <wojciech.bober@nordicsemi.no>
*/
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include "contiki.h"
#include "contiki-net.h"
#include "rest-engine.h"
#include "uip.h"
#include "dev/button-sensor.h"
#include "dev/leds.h"
#define DEBUG DEBUG_PRINT
#include "net/ip/uip-debug.h"
/*
* Resources to be activated need to be imported through the extern keyword.
* The build system automatically compiles the resources in the corresponding sub-directory.
*/
extern resource_t res_led3;
static void
print_local_addresses(void)
{
int i;
uint8_t state;
PRINTF("Server IPv6 addresses:\n");
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)) {
PRINTF(" ");
PRINT6ADDR(&uip_ds6_if.addr_list[i].ipaddr);
PRINTF("\n");
if(state == ADDR_TENTATIVE) {
uip_ds6_if.addr_list[i].state = ADDR_PREFERRED;
}
}
}
}
PROCESS(er_example_server, "nRF52 DK Coap Server");
AUTOSTART_PROCESSES(&er_example_server);
PROCESS_THREAD(er_example_server, ev, data)
{
PROCESS_BEGIN();
PROCESS_PAUSE();
PRINTF("Starting Erbium Example Server\n");
PRINTF("uIP buffer: %u\n", UIP_BUFSIZE);
PRINTF("LL header: %u\n", UIP_LLH_LEN);
PRINTF("IP+UDP header: %u\n", UIP_IPUDPH_LEN);
PRINTF("REST max chunk: %u\n", REST_MAX_CHUNK_SIZE);
print_local_addresses();
/* Initialize the REST engine. */
rest_init_engine();
rest_activate_resource(&res_led3, "lights/led3");
SENSORS_ACTIVATE(button_1);
/* Define application-specific events here. */
while (1) {
PROCESS_WAIT_EVENT();
if (ev == sensors_event) {
if (data == &button_1 && button_1.value(BUTTON_SENSOR_VALUE_STATE) == 0) {
leds_toggle(LEDS_3);
res_led3.trigger();
}
}
}
PROCESS_END();
}
/**
* @}
* @}
*/