nes-proj/examples/mqtt-client/arch/cpu/cc26xx-cc13xx/builtin-sensors.c

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/*
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* Copyright (c) 2017, George Oikonomou - http://www.spd.gr
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
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*
* 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 HOLDERS 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 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.
*/
/*---------------------------------------------------------------------------*/
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#include "contiki.h"
#include "batmon-sensor.h"
#include "mqtt-client.h"
#include <string.h>
#include <stdio.h>
/*---------------------------------------------------------------------------*/
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#define TMP_BUF_SZ 32
/*---------------------------------------------------------------------------*/
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char tmp_buf[TMP_BUF_SZ];
/*---------------------------------------------------------------------------*/
static char *
temp_reading(void)
{
memset(tmp_buf, 0, TMP_BUF_SZ);
snprintf(tmp_buf, TMP_BUF_SZ, "\"On-Chip Temp (mC)\":%d",
batmon_sensor.value(BATMON_SENSOR_TYPE_TEMP));
return tmp_buf;
}
/*---------------------------------------------------------------------------*/
static void
temp_init(void)
{
SENSORS_ACTIVATE(batmon_sensor);
}
/*---------------------------------------------------------------------------*/
const mqtt_client_extension_t builtin_sensors_batmon_temp = {
temp_init,
temp_reading,
};
/*---------------------------------------------------------------------------*/
static char *
volt_reading(void)
{
memset(tmp_buf, 0, TMP_BUF_SZ);
snprintf(tmp_buf, TMP_BUF_SZ, "\"Volt (mV)\":%d",
(batmon_sensor.value(BATMON_SENSOR_TYPE_VOLT) * 125) >> 5);
return tmp_buf;
}
/*---------------------------------------------------------------------------*/
static void
volt_init(void)
{
SENSORS_ACTIVATE(batmon_sensor);
}
/*---------------------------------------------------------------------------*/
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const mqtt_client_extension_t builtin_sensors_batmon_volt = {
volt_init,
volt_reading,
};
/*---------------------------------------------------------------------------*/