396 lines
16 KiB
C
396 lines
16 KiB
C
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/*
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* Copyright (c) 2015 NXP B.V.
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. Neither the name of NXP B.V. nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY NXP B.V. AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL NXP B.V. OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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* This file is part of the Contiki operating system.
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*
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* Author: Theo van Daele <theo.van.daele@nxp.com>
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*
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*/
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#include "contiki.h"
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#include "net/ip/uip.h"
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#include "tools/rpl-tools.h"
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#include "rest-engine.h"
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#include "light-sensor.h"
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#include "ht-sensor.h"
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#include "dev/leds.h"
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#include "sys/etimer.h"
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#include <stdio.h>
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static void event_sensors_dr1175_handler(void);
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static void get_sensors_dr1175_handler(void *request, void *response, uint8_t *buffer, uint16_t preferred_size, int32_t *offset);
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static void get_light_sensor_value_handler(void *request, void *response, uint8_t *buffer, uint16_t preferred_size, int32_t *offset);
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static void get_light_sensor_unit_handler(void *request, void *response, uint8_t *buffer, uint16_t preferred_size, int32_t *offset);
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static void get_temperature_value_handler(void *request, void *response, uint8_t *buffer, uint16_t preferred_size, int32_t *offset);
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static void get_temperature_unit_handler(void *request, void *response, uint8_t *buffer, uint16_t preferred_size, int32_t *offset);
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static void get_humidity_value_handler(void *request, void *response, uint8_t *buffer, uint16_t preferred_size, int32_t *offset);
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static void get_humidity_unit_handler(void *request, void *response, uint8_t *buffer, uint16_t preferred_size, int32_t *offset);
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static void put_post_white_led_handler(void *request, void *response, uint8_t *buffer, uint16_t preferred_size, int32_t *offset);
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static void put_post_rgb_led_handler(void *request, void *response, uint8_t *buffer, uint16_t preferred_size, int32_t *offset);
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static void put_post_led_d3_1174_handler(void *request, void *response, uint8_t *buffer, uint16_t preferred_size, int32_t *offset);
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static void put_post_led_d6_1174_handler(void *request, void *response, uint8_t *buffer, uint16_t preferred_size, int32_t *offset);
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static char content[REST_MAX_CHUNK_SIZE];
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static int content_len = 0;
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#define CONTENT_PRINTF(...) { if(content_len < sizeof(content)) { content_len += snprintf(content + content_len, sizeof(content) - content_len, __VA_ARGS__); } }
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#define CLIP(value, level) if(value > level) { \
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value = level; \
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}
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#define SET_LED(LED) if(atoi((const char *)request_content) != 0) { \
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leds_on(LED); \
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} else { \
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leds_off(LED); \
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}
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/*---------------------------------------------------------------------------*/
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PROCESS(start_app, "START_APP");
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AUTOSTART_PROCESSES(&start_app, &sensors_process);
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/*---------------------------------------------------------------------------*/
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/*********** CoAP sensor/ resource *************************************************/
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/*******************************************************************/
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/* Observable resource and event handler to obtain all sensor data */
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/*******************************************************************/
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EVENT_RESOURCE(resource_sensors_dr1175, /* name */
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"obs;title=\"All_DR1175_sensors\"", /* attributes */
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get_sensors_dr1175_handler, /* GET handler */
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NULL, /* POST handler */
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NULL, /* PUT handler */
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NULL, /* DELETE handler */
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event_sensors_dr1175_handler); /* event handler */
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static void
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get_sensors_dr1175_handler(void *request, void *response, uint8_t *buffer, uint16_t preferred_size, int32_t *offset)
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{
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unsigned int accept = -1;
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REST.get_header_accept(request, &accept);
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if(accept == -1 || accept == REST.type.APPLICATION_JSON) {
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content_len = 0;
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CONTENT_PRINTF("{\"DR1175\":[");
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CONTENT_PRINTF("{\"Humidity\":\"%d\"},", ht_sensor.value(HT_SENSOR_HUM));
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CONTENT_PRINTF("{\"Light\":\"%d\"},", light_sensor.value(0));
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CONTENT_PRINTF("{\"Temp\":\"%d\"}", ht_sensor.value(HT_SENSOR_TEMP));
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CONTENT_PRINTF("]}");
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REST.set_header_content_type(response, REST.type.APPLICATION_JSON);
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REST.set_response_payload(response, (uint8_t *)content, content_len);
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}
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}
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static void
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event_sensors_dr1175_handler()
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{
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/* Registered observers are notified and will trigger the GET handler to create the response. */
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REST.notify_subscribers(&resource_sensors_dr1175);
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}
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/*****************************************************/
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/* Resource and handler to obtain light sensor value */
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/*****************************************************/
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RESOURCE(resource_light_sensor_value,
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"title=\"light sensor value\"",
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get_light_sensor_value_handler,
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NULL,
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NULL,
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NULL);
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static void
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get_light_sensor_value_handler(void *request, void *response, uint8_t *buffer, uint16_t preferred_size, int32_t *offset)
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{
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unsigned int accept = -1;
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REST.get_header_accept(request, &accept);
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if(accept == -1 || accept == REST.type.TEXT_PLAIN) {
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content_len = 0;
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CONTENT_PRINTF("%d", light_sensor.value(0));
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REST.set_header_content_type(response, REST.type.TEXT_PLAIN);
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REST.set_response_payload(response, (uint8_t *)content, content_len);
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}
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}
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/***************************************************/
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/* Resource and handler to obtain light unit value */
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/***************************************************/
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RESOURCE(resource_light_sensor_unit,
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"title=\"light sensor unit\"",
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get_light_sensor_unit_handler,
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NULL,
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NULL,
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NULL);
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static void
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get_light_sensor_unit_handler(void *request, void *response, uint8_t *buffer, uint16_t preferred_size, int32_t *offset)
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{
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unsigned int accept = -1;
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REST.get_header_accept(request, &accept);
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if(accept == -1 || accept == REST.type.TEXT_PLAIN) {
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content_len = 0;
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CONTENT_PRINTF("Lux");
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REST.set_header_content_type(response, REST.type.TEXT_PLAIN);
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REST.set_response_payload(response, (uint8_t *)content, content_len);
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}
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}
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/***********************************************************/
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/* Resource and handler to obtain temperature sensor value */
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/***********************************************************/
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RESOURCE(resource_temperature_value,
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"title=\"temperature value\"",
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get_temperature_value_handler,
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NULL,
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NULL,
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NULL);
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static void
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get_temperature_value_handler(void *request, void *response, uint8_t *buffer, uint16_t preferred_size, int32_t *offset)
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{
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unsigned int accept = -1;
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REST.get_header_accept(request, &accept);
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if(accept == -1 || accept == REST.type.TEXT_PLAIN) {
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content_len = 0;
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CONTENT_PRINTF("%d", ht_sensor.value(HT_SENSOR_TEMP));
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REST.set_header_content_type(response, REST.type.TEXT_PLAIN);
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REST.set_response_payload(response, (uint8_t *)content, content_len);
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}
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}
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/*********************************************************/
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/* Resource and handler to obtain temperature unit value */
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/*********************************************************/
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RESOURCE(resource_temperature_unit,
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"title=\"temperature unit\"",
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get_temperature_unit_handler,
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NULL,
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NULL,
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NULL);
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static void
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get_temperature_unit_handler(void *request, void *response, uint8_t *buffer, uint16_t preferred_size, int32_t *offset)
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{
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unsigned int accept = -1;
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REST.get_header_accept(request, &accept);
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if(accept == -1 || accept == REST.type.TEXT_PLAIN) {
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content_len = 0;
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CONTENT_PRINTF("degrees C");
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REST.set_header_content_type(response, REST.type.TEXT_PLAIN);
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REST.set_response_payload(response, (uint8_t *)content, content_len);
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}
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}
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/********************************************************/
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/* Resource and handler to obtain humidity sensor value */
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/********************************************************/
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RESOURCE(resource_humidity_value,
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"title=\"humidity value\"",
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get_humidity_value_handler,
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NULL,
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NULL,
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NULL);
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static void
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get_humidity_value_handler(void *request, void *response, uint8_t *buffer, uint16_t preferred_size, int32_t *offset)
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{
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unsigned int accept = -1;
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REST.get_header_accept(request, &accept);
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if(accept == -1 || accept == REST.type.TEXT_PLAIN) {
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content_len = 0;
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CONTENT_PRINTF("%d", ht_sensor.value(HT_SENSOR_HUM));
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REST.set_header_content_type(response, REST.type.TEXT_PLAIN);
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REST.set_response_payload(response, (uint8_t *)content, content_len);
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}
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}
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/******************************************************/
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/* Resource and handler to obtain humidity unit value */
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/******************************************************/
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RESOURCE(resource_humidity_unit,
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"title=\"humidity unit\"",
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get_humidity_unit_handler,
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NULL,
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NULL,
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NULL);
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static void
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get_humidity_unit_handler(void *request, void *response, uint8_t *buffer, uint16_t preferred_size, int32_t *offset)
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{
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unsigned int accept = -1;
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REST.get_header_accept(request, &accept);
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if(accept == -1 || accept == REST.type.TEXT_PLAIN) {
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content_len = 0;
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CONTENT_PRINTF("relative %%");
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REST.set_header_content_type(response, REST.type.TEXT_PLAIN);
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REST.set_response_payload(response, (uint8_t *)content, content_len);
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}
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}
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/***************************************************/
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/* Resource and handler to control White LED level */
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/***************************************************/
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RESOURCE(resource_white_led,
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"title=\"WhiteLED <[0..255]>\"",
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NULL,
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put_post_white_led_handler,
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put_post_white_led_handler,
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NULL);
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static void
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put_post_white_led_handler(void *request, void *response, uint8_t *buffer, uint16_t preferred_size, int32_t *offset)
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{
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const uint8_t *request_content = NULL;
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int request_content_len;
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int level;
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unsigned int accept = -1;
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REST.get_header_accept(request, &accept);
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if(accept == -1 || accept == REST.type.TEXT_PLAIN) {
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request_content_len = REST.get_request_payload(request, &request_content);
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level = atoi((const char *)request_content);
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CLIP(level, 255)
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leds_set_level(level, LEDS_WHITE);
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}
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}
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/*************************************************/
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/* Resource and handler to control RGB LED level */
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/*************************************************/
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RESOURCE(resource_rgb_led,
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"title=\"RGB LED <[0..255] [0..255] [0..255]>\"",
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NULL,
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put_post_rgb_led_handler,
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put_post_rgb_led_handler,
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NULL);
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static void
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put_post_rgb_led_handler(void *request, void *response, uint8_t *buffer, uint16_t preferred_size, int32_t *offset)
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{
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const uint8_t *request_content = NULL;
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int request_content_len;
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char *pch;
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int RGB[] = { 0, 0, 0 };
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int index = 0;
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unsigned int accept = -1;
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REST.get_header_accept(request, &accept);
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if(accept == -1 || accept == REST.type.TEXT_PLAIN) {
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request_content_len = REST.get_request_payload(request, &request_content);
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pch = strtok((char *)request_content, " ");
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while((pch != NULL) && (index != sizeof(RGB) / sizeof(int))) {
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/* Convert token to int */
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RGB[index] = atoi(pch);
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CLIP(RGB[index], 255)
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index++;
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/* Get next token */
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pch = strtok(NULL, " ");
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}
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leds_set_level(RGB[0], LEDS_RED);
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leds_set_level(RGB[1], LEDS_GREEN);
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leds_set_level(RGB[2], LEDS_BLUE);
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}
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}
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/************************************************/
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/* Resource and handler to control D3 on DR1174 */
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/************************************************/
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RESOURCE(resource_led_d3_1174,
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"title=\"LED D3 1174<[0,1]>\"",
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NULL,
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put_post_led_d3_1174_handler,
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put_post_led_d3_1174_handler,
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NULL);
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static void
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put_post_led_d3_1174_handler(void *request, void *response, uint8_t *buffer, uint16_t preferred_size, int32_t *offset)
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{
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const uint8_t *request_content;
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int request_content_len;
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unsigned int accept = -1;
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REST.get_header_accept(request, &accept);
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if(accept == -1 || accept == REST.type.TEXT_PLAIN) {
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request_content_len = REST.get_request_payload(request, &request_content);
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SET_LED(LEDS_GP0);
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}
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}
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/************************************************/
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/* Resource and handler to control D6 on DR1174 */
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/************************************************/
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RESOURCE(resource_led_d6_1174,
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"title=\"LED D6 1174<[0,1]>\"",
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NULL,
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put_post_led_d6_1174_handler,
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put_post_led_d6_1174_handler,
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NULL);
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static void
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put_post_led_d6_1174_handler(void *request, void *response, uint8_t *buffer, uint16_t preferred_size, int32_t *offset)
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||
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{
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const uint8_t *request_content;
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int request_content_len;
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||
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unsigned int accept = -1;
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||
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REST.get_header_accept(request, &accept);
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||
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if(accept == -1 || accept == REST.type.TEXT_PLAIN) {
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request_content_len = REST.get_request_payload(request, &request_content);
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||
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SET_LED(LEDS_GP1);
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||
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}
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||
|
|
}
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||
|
|
/*---------------------------------------------------------------------------*/
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||
|
|
PROCESS_THREAD(start_app, ev, data)
|
||
|
|
{
|
||
|
|
PROCESS_BEGIN();
|
||
|
|
|
||
|
|
static int is_coordinator = 0;
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||
|
|
static struct etimer et;
|
||
|
|
|
||
|
|
/* Make sensor active for measuring */
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||
|
|
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();
|
||
|
|
}
|