mirror of
https://github.com/oliverschmidt/contiki.git
synced 2024-12-22 10:30:13 +00:00
60 lines
2.4 KiB
C
60 lines
2.4 KiB
C
/*
|
|
* 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
|
|
};
|
|
/*---------------------------------------------------------------------------*/
|