/* * Copyright (c) 2015, Zolertia * 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 Institute 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 INSTITUTE 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 INSTITUTE 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. * * This file is part of the Contiki operating system. * */ /** * \addtogroup zoul-examples * @{ * * \defgroup zoul-bme280-test BME280 temperature and humidity sensor test * * Demonstrates the use of the BME280 digital temperature and humidity sensor * @{ * * \file * A quick program for testing the BME280 temperature and humidity sensor * \author * Antonio Lignan */ /*---------------------------------------------------------------------------*/ #include #include "contiki.h" #include "dev/bme280.h" /*---------------------------------------------------------------------------*/ #define BME280_USE_STD_API 1 /*---------------------------------------------------------------------------*/ PROCESS(zoul_bme280_process, "BME280 test"); AUTOSTART_PROCESSES(&zoul_bme280_process); /*---------------------------------------------------------------------------*/ static struct etimer et; /*---------------------------------------------------------------------------*/ PROCESS_THREAD(zoul_bme280_process, ev, data) { PROCESS_BEGIN(); SENSORS_ACTIVATE(bme280_sensor); /* Let it spin and read sensor data */ while(1) { etimer_set(&et, CLOCK_SECOND); PROCESS_WAIT_EVENT_UNTIL(etimer_expired(&et)); #if BME280_USE_STD_API printf("temperature = %-d ", bme280_sensor.value(BME280_SENSOR_TEMP)); printf("humidity = %-d ", bme280_sensor.value(BME280_SENSOR_HUMIDITY)); printf("pressure = %-d\n", bme280_sensor.value(BME280_SENSOR_PRESSURE)); #else /* BME280_USE_STD_API */ /* Trigger burst read */ bme280_sensor.value(BME280_SENSOR_TEMP); printf("temperature = %5.2f" , (double)bme280_mea.t_overscale100 / 100.); printf("humidity = %5.2f ", (double)bme280_mea.h_overscale1024 / 1024.); #ifdef BME280_64BIT printf("pressure = %5.2f\n", (double)bme280_mea.p_overscale256 / 256.); #else /* BME280_64BIT */ printf("pressure = %5.2f\n", (double)bme280_mea.p); #endif /* BME280_64BIT */ #endif /* BME280_USE_STD_API */ } PROCESS_END(); } /*---------------------------------------------------------------------------*/ /** * @} * @} */