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contiki/examples/jn516x/rpl/coap-dr1175-node/dr1175-node.c

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/*
* 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 "light-sensor.h"
#include "ht-sensor.h"
#include "dev/leds.h"
#include "dev/leds-extension.h"
#include "sys/etimer.h"
#include <stdio.h>
#include <stdlib.h>
static void event_sensors_dr1175_handler(void);
static void get_sensors_dr1175_handler(void *request, void *response, uint8_t *buffer, uint16_t preferred_size, int32_t *offset);
static void get_light_sensor_value_handler(void *request, void *response, uint8_t *buffer, uint16_t preferred_size, int32_t *offset);
static void get_light_sensor_unit_handler(void *request, void *response, uint8_t *buffer, uint16_t preferred_size, int32_t *offset);
static void get_temperature_value_handler(void *request, void *response, uint8_t *buffer, uint16_t preferred_size, int32_t *offset);
static void get_temperature_unit_handler(void *request, void *response, uint8_t *buffer, uint16_t preferred_size, int32_t *offset);
static void get_humidity_value_handler(void *request, void *response, uint8_t *buffer, uint16_t preferred_size, int32_t *offset);
static void get_humidity_unit_handler(void *request, void *response, uint8_t *buffer, uint16_t preferred_size, int32_t *offset);
static void put_post_white_led_handler(void *request, void *response, uint8_t *buffer, uint16_t preferred_size, int32_t *offset);
static void put_post_rgb_led_handler(void *request, void *response, uint8_t *buffer, uint16_t preferred_size, int32_t *offset);
static void put_post_led_d3_1174_handler(void *request, void *response, uint8_t *buffer, uint16_t preferred_size, int32_t *offset);
static void put_post_led_d6_1174_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;
#define CONTENT_PRINTF(...) { if(content_len < sizeof(content)) { content_len += snprintf(content + content_len, sizeof(content) - content_len, __VA_ARGS__); } }
#define CLIP(value, level) if(value > level) { \
value = level; \
}
#define SET_LED(LED) if(atoi((const char *)request_content) != 0) { \
leds_on(LED); \
} else { \
leds_off(LED); \
}
/*---------------------------------------------------------------------------*/
PROCESS(start_app, "START_APP");
AUTOSTART_PROCESSES(&start_app, &sensors_process);
/*---------------------------------------------------------------------------*/
/*********** CoAP sensor/ resource *************************************************/
/*******************************************************************/
/* Observable resource and event handler to obtain all sensor data */
/*******************************************************************/
EVENT_RESOURCE(resource_sensors_dr1175, /* name */
"obs;title=\"All_DR1175_sensors\"", /* attributes */
get_sensors_dr1175_handler, /* GET handler */
NULL, /* POST handler */
NULL, /* PUT handler */
NULL, /* DELETE handler */
event_sensors_dr1175_handler); /* event handler */
static void
get_sensors_dr1175_handler(void *request, void *response, uint8_t *buffer, uint16_t preferred_size, int32_t *offset)
{
unsigned int accept = -1;
REST.get_header_accept(request, &accept);
if(accept == -1 || accept == REST.type.APPLICATION_JSON) {
content_len = 0;
CONTENT_PRINTF("{\"DR1175\":[");
CONTENT_PRINTF("{\"Humidity\":\"%d\"},", ht_sensor.value(HT_SENSOR_HUM));
CONTENT_PRINTF("{\"Light\":\"%d\"},", light_sensor.value(0));
CONTENT_PRINTF("{\"Temp\":\"%d\"}", ht_sensor.value(HT_SENSOR_TEMP));
CONTENT_PRINTF("]}");
REST.set_header_content_type(response, REST.type.APPLICATION_JSON);
REST.set_response_payload(response, (uint8_t *)content, content_len);
}
}
static void
event_sensors_dr1175_handler()
{
/* Registered observers are notified and will trigger the GET handler to create the response. */
REST.notify_subscribers(&resource_sensors_dr1175);
}
/*****************************************************/
/* Resource and handler to obtain light sensor value */
/*****************************************************/
RESOURCE(resource_light_sensor_value,
"title=\"light sensor value\"",
get_light_sensor_value_handler,
NULL,
NULL,
NULL);
static void
get_light_sensor_value_handler(void *request, void *response, uint8_t *buffer, uint16_t preferred_size, int32_t *offset)
{
unsigned int accept = -1;
REST.get_header_accept(request, &accept);
if(accept == -1 || accept == REST.type.TEXT_PLAIN) {
content_len = 0;
CONTENT_PRINTF("%d", light_sensor.value(0));
REST.set_header_content_type(response, REST.type.TEXT_PLAIN);
REST.set_response_payload(response, (uint8_t *)content, content_len);
}
}
/***************************************************/
/* Resource and handler to obtain light unit value */
/***************************************************/
RESOURCE(resource_light_sensor_unit,
"title=\"light sensor unit\"",
get_light_sensor_unit_handler,
NULL,
NULL,
NULL);
static void
get_light_sensor_unit_handler(void *request, void *response, uint8_t *buffer, uint16_t preferred_size, int32_t *offset)
{
unsigned int accept = -1;
REST.get_header_accept(request, &accept);
if(accept == -1 || accept == REST.type.TEXT_PLAIN) {
content_len = 0;
CONTENT_PRINTF("Lux");
REST.set_header_content_type(response, REST.type.TEXT_PLAIN);
REST.set_response_payload(response, (uint8_t *)content, content_len);
}
}
/***********************************************************/
/* Resource and handler to obtain temperature sensor value */
/***********************************************************/
RESOURCE(resource_temperature_value,
"title=\"temperature value\"",
get_temperature_value_handler,
NULL,
NULL,
NULL);
static void
get_temperature_value_handler(void *request, void *response, uint8_t *buffer, uint16_t preferred_size, int32_t *offset)
{
unsigned int accept = -1;
REST.get_header_accept(request, &accept);
if(accept == -1 || accept == REST.type.TEXT_PLAIN) {
content_len = 0;
CONTENT_PRINTF("%d", ht_sensor.value(HT_SENSOR_TEMP));
REST.set_header_content_type(response, REST.type.TEXT_PLAIN);
REST.set_response_payload(response, (uint8_t *)content, content_len);
}
}
/*********************************************************/
/* Resource and handler to obtain temperature unit value */
/*********************************************************/
RESOURCE(resource_temperature_unit,
"title=\"temperature unit\"",
get_temperature_unit_handler,
NULL,
NULL,
NULL);
static void
get_temperature_unit_handler(void *request, void *response, uint8_t *buffer, uint16_t preferred_size, int32_t *offset)
{
unsigned int accept = -1;
REST.get_header_accept(request, &accept);
if(accept == -1 || accept == REST.type.TEXT_PLAIN) {
content_len = 0;
CONTENT_PRINTF("degrees C");
REST.set_header_content_type(response, REST.type.TEXT_PLAIN);
REST.set_response_payload(response, (uint8_t *)content, content_len);
}
}
/********************************************************/
/* Resource and handler to obtain humidity sensor value */
/********************************************************/
RESOURCE(resource_humidity_value,
"title=\"humidity value\"",
get_humidity_value_handler,
NULL,
NULL,
NULL);
static void
get_humidity_value_handler(void *request, void *response, uint8_t *buffer, uint16_t preferred_size, int32_t *offset)
{
unsigned int accept = -1;
REST.get_header_accept(request, &accept);
if(accept == -1 || accept == REST.type.TEXT_PLAIN) {
content_len = 0;
CONTENT_PRINTF("%d", ht_sensor.value(HT_SENSOR_HUM));
REST.set_header_content_type(response, REST.type.TEXT_PLAIN);
REST.set_response_payload(response, (uint8_t *)content, content_len);
}
}
/******************************************************/
/* Resource and handler to obtain humidity unit value */
/******************************************************/
RESOURCE(resource_humidity_unit,
"title=\"humidity unit\"",
get_humidity_unit_handler,
NULL,
NULL,
NULL);
static void
get_humidity_unit_handler(void *request, void *response, uint8_t *buffer, uint16_t preferred_size, int32_t *offset)
{
unsigned int accept = -1;
REST.get_header_accept(request, &accept);
if(accept == -1 || accept == REST.type.TEXT_PLAIN) {
content_len = 0;
CONTENT_PRINTF("relative %%");
REST.set_header_content_type(response, REST.type.TEXT_PLAIN);
REST.set_response_payload(response, (uint8_t *)content, content_len);
}
}
/***************************************************/
/* Resource and handler to control White LED level */
/***************************************************/
RESOURCE(resource_white_led,
"title=\"WhiteLED <[0..255]>\"",
NULL,
put_post_white_led_handler,
put_post_white_led_handler,
NULL);
static void
put_post_white_led_handler(void *request, void *response, uint8_t *buffer, uint16_t preferred_size, int32_t *offset)
{
const uint8_t *request_content = NULL;
int level;
unsigned int accept = -1;
REST.get_header_accept(request, &accept);
if(accept == -1 || accept == REST.type.TEXT_PLAIN) {
REST.get_request_payload(request, &request_content);
level = atoi((const char *)request_content);
CLIP(level, 255)
leds_set_level(level, LEDS_WHITE);
}
}
/*************************************************/
/* Resource and handler to control RGB LED level */
/*************************************************/
RESOURCE(resource_rgb_led,
"title=\"RGB LED <[0..255] [0..255] [0..255]>\"",
NULL,
put_post_rgb_led_handler,
put_post_rgb_led_handler,
NULL);
static void
put_post_rgb_led_handler(void *request, void *response, uint8_t *buffer, uint16_t preferred_size, int32_t *offset)
{
const uint8_t *request_content = NULL;
char *pch;
int RGB[] = { 0, 0, 0 };
int index = 0;
unsigned int accept = -1;
REST.get_header_accept(request, &accept);
if(accept == -1 || accept == REST.type.TEXT_PLAIN) {
REST.get_request_payload(request, &request_content);
pch = strtok((char *)request_content, " ");
while((pch != NULL) && (index != sizeof(RGB) / sizeof(int))) {
/* Convert token to int */
RGB[index] = atoi(pch);
CLIP(RGB[index], 255)
index++;
/* Get next token */
pch = strtok(NULL, " ");
}
leds_set_level(RGB[0], LEDS_RED);
leds_set_level(RGB[1], LEDS_GREEN);
leds_set_level(RGB[2], LEDS_BLUE);
}
}
/************************************************/
/* Resource and handler to control D3 on DR1174 */
/************************************************/
RESOURCE(resource_led_d3_1174,
"title=\"LED D3 1174<[0,1]>\"",
NULL,
put_post_led_d3_1174_handler,
put_post_led_d3_1174_handler,
NULL);
static void
put_post_led_d3_1174_handler(void *request, void *response, uint8_t *buffer, uint16_t preferred_size, int32_t *offset)
{
const uint8_t *request_content;
unsigned int accept = -1;
REST.get_header_accept(request, &accept);
if(accept == -1 || accept == REST.type.TEXT_PLAIN) {
REST.get_request_payload(request, &request_content);
SET_LED(LEDS_GP0);
}
}
/************************************************/
/* Resource and handler to control D6 on DR1174 */
/************************************************/
RESOURCE(resource_led_d6_1174,
"title=\"LED D6 1174<[0,1]>\"",
NULL,
put_post_led_d6_1174_handler,
put_post_led_d6_1174_handler,
NULL);
static void
put_post_led_d6_1174_handler(void *request, void *response, uint8_t *buffer, uint16_t preferred_size, int32_t *offset)
{
const uint8_t *request_content;
unsigned int accept = -1;
REST.get_header_accept(request, &accept);
if(accept == -1 || accept == REST.type.TEXT_PLAIN) {
REST.get_request_payload(request, &request_content);
SET_LED(LEDS_GP1);
}
}
/*---------------------------------------------------------------------------*/
PROCESS_THREAD(start_app, ev, data)
{
PROCESS_BEGIN();
static int is_coordinator = 0;
static struct etimer et;
/* Make sensor active for measuring */
SENSORS_ACTIVATE(light_sensor);
SENSORS_ACTIVATE(ht_sensor);
/* 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_light_sensor_value, "DR1175/LightSensor/Value");
rest_activate_resource(&resource_light_sensor_unit, "DR1175/LightSensor/Unit");
rest_activate_resource(&resource_temperature_unit, "DR1175/Temperature/Unit");
rest_activate_resource(&resource_temperature_value, "DR1175/Temperature/Value");
rest_activate_resource(&resource_humidity_unit, "DR1175/Humidity/Unit");
rest_activate_resource(&resource_humidity_value, "DR1175/Humidity/Value");
rest_activate_resource(&resource_white_led, "DR1175/WhiteLED");
rest_activate_resource(&resource_rgb_led, "DR1175/ColorLED/RGBValue");
rest_activate_resource(&resource_led_d3_1174, "DR1175/LED/D3On1174");
rest_activate_resource(&resource_led_d6_1174, "DR1175/LED/D6On1174");
rest_activate_resource(&resource_sensors_dr1175, "DR1175/AllSensors");
/* Level of LEDS=0, so no light after start-up */
leds_on(LEDS_WHITE | LEDS_RED | LEDS_GREEN | LEDS_BLUE);
/* contiki-jn516x-main switches all leds off after process start-up.
Switch on required leds after rescheduling, otherwise level change needs to be
accompanied with leds_on() at least once in resource handler. */
etimer_set(&et, CLOCK_SECOND / 10);
PROCESS_WAIT_EVENT_UNTIL(etimer_expired(&et));
/* Level of LEDS=0, so no light after start-up. However, they are enabled
A level change will directly be visible. */
leds_on(LEDS_WHITE | LEDS_RED | LEDS_GREEN | LEDS_BLUE);
/* If sensor process generates an event, call event_handler of resource.
This will make this resource observable by the client */
while(1) {
PROCESS_WAIT_EVENT_UNTIL((ev == sensors_event) &&
((data == &light_sensor) || (data == &ht_sensor)));
event_sensors_dr1175_handler();
}
PROCESS_END();
}
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