84 lines
3.2 KiB
C
84 lines
3.2 KiB
C
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/*
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* Copyright (c) 2015, ICT/COS/NSLab, KTH Royal Institute of Technology
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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 the Institute 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 THE INSTITUTE 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 THE INSTITUTE 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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/**
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* \file
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* dcdc/co2 testing coap with CO2 sensor from SenseAir
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* \author
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* Voravit Tanyingyong <voravit@kth.se>
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*/
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/* #include <math.h> */
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#include <stdio.h>
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#include <string.h>
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#include "rest-engine.h"
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#include "er-coap.h"
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#include "er-dc-test.h"
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#if PLATFORM_HAS_LEDS
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#include "dev/leds.h"
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#endif
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#include "dev/co2_sa_kxx-sensor.h"
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static void res_get_handler(void *request, void *response, uint8_t *buffer, uint16_t preferred_size, int32_t *offset);
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RESOURCE(res_dc_co2, "title=\"co2 reading\"", res_get_handler, NULL, NULL, NULL);
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/*---------------------------------------------------------------------------*/
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static void
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res_get_handler(void *request, void *response, uint8_t *buffer, uint16_t preferred_size, int32_t *offset)
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{
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coap_packet_t *const coap_req = (coap_packet_t *)request;
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int co2 = co2_sa_kxx_sensor.value(CO2_SA_KXX_CO2); // 0 is CO2_SA_KXX_CO2
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#if PLATFORM_HAS_LEDS
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/* set red led when receiving a packet */
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leds_on(LEDS_RED);
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#endif
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PRINTF("dcdc/co2 GET (%s %u)\n", coap_req->type == COAP_TYPE_CON ? "CON" : "NON", coap_req->mid);
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/* Code 2.05 CONTENT is default. */
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REST.set_header_content_type(response, REST.type.TEXT_PLAIN);
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/* REST.set_header_max_age(response, 30); */
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REST.set_response_payload(
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response,
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buffer,
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/* snprintf((char *)buffer, MAX_COAP_PAYLOAD, "VMX\t%d.000\nIMX\t%d.000\nINT\t%d\n", v_max, i_max, interval)); */
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snprintf((char *)buffer, MAX_COAP_PAYLOAD, "CO2\t%d\n", co2));
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#if PLATFORM_HAS_LEDS
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/* set yellow led when sending packet */
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leds_on(LEDS_YELLOW);
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#endif
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}
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