/* * Copyright (c) 2015, Zolertia - http://www.zolertia.com * 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. * */ /*---------------------------------------------------------------------------*/ /** * \addtogroup zoul-examples * @{ * * \defgroup zoul-bmp085-test BMP085 pressure and temperature sensor test * * Demonstrates the use of the BMP085 digital pressure and temperature sensor * @{ * * \file * Test file for the BMP085 digital pressure and temperature sensor * * \author * Antonio Lignan */ /*---------------------------------------------------------------------------*/ #include #include "contiki.h" #include "dev/i2c.h" #include "dev/leds.h" #include "dev/bmp085.h" /*---------------------------------------------------------------------------*/ #define SENSOR_READ_INTERVAL (CLOCK_SECOND) /*---------------------------------------------------------------------------*/ PROCESS(remote_bmp085_process, "BMP085 test process"); AUTOSTART_PROCESSES(&remote_bmp085_process); /*---------------------------------------------------------------------------*/ static struct etimer et; /*---------------------------------------------------------------------------*/ PROCESS_THREAD(remote_bmp085_process, ev, data) { PROCESS_BEGIN(); static uint16_t pressure; static int16_t temperature; /* Use Contiki's sensor macro to enable the sensor */ SENSORS_ACTIVATE(bmp085); /* And periodically poll the sensor */ while(1) { etimer_set(&et, SENSOR_READ_INTERVAL); PROCESS_WAIT_EVENT_UNTIL(etimer_expired(&et)); pressure = bmp085.value(BMP085_READ_PRESSURE); temperature = bmp085.value(BMP085_READ_TEMP); if((pressure != BMP085_ERROR) && (temperature != BMP085_ERROR)) { printf("Pressure = %u.%u(hPa), ", pressure / 10, pressure % 10); printf("Temperature = %d.%u(ÂșC)\n", temperature / 10, temperature % 10); } else { printf("Error, enable the DEBUG flag in the BMP085 driver for info, "); printf("or check if the sensor is properly connected\n"); PROCESS_EXIT(); } } PROCESS_END(); } /*---------------------------------------------------------------------------*/ /** * @} * @} */