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Implementation of OMA LWM2M Engine / IPSO Objects

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Niclas Finne 2015-12-01 04:14:46 +01:00
parent 35fb0614de
commit 3dd11603a7
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examples/ipso-objects/example-ipso-temperature.c Normal file
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/*
* Copyright (c) 2015, Yanzi Networks AB.
* 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 copyright holder 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 COPYRIGHT HOLDER 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
* COPYRIGHT HOLDER 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.
*/
/**
* \file
* An dummy temperature driver as example
* \author
* Joakim Eriksson <joakime@sics.se>
* Niclas Finne <nfi@sics.se>
*/
#include "ipso-objects.h"
#include "lib/random.h"
static int32_t last_value = 27000;
/*---------------------------------------------------------------------------*/
static int
read_value(int32_t *value)
{
last_value = last_value + (random_rand() % 1000) - 500;
if(last_value < 18000) {
last_value = 18000;
} else if(last_value > 35000) {
last_value = 35000;
}
*value = last_value;
return 0;
}
/*---------------------------------------------------------------------------*/
const struct ipso_objects_sensor example_ipso_temperature = {
.read_value = read_value
};
/*---------------------------------------------------------------------------*/