137 lines
5.4 KiB
C
137 lines
5.4 KiB
C
/*
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* Copyright (c) 2015, Zolertia - http://www.zolertia.com
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. Neither the name of the Institute nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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* This file is part of the Contiki operating system.
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*
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*/
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/*---------------------------------------------------------------------------*/
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/**
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* \addtogroup zoul-sensors
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* @{
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*
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* \defgroup zoul-bmpx8x-sensor BMP085/BMP180 Sensor
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*
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* Driver for the BMP085/BMP180 sensor
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*
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* BMP085/BMP180 digital atmospheric pressure and temperature driver
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* @{
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*
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* \file
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* Header file for the external BMP085/BMP180 Sensor Driver
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*
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* \author
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* Antonio Lignan <alinan@zolertia.com>
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*/
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/*---------------------------------------------------------------------------*/
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#ifndef BMPX8X_H_
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#define BMPX8X_H_
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#include <stdio.h>
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#include "lib/sensors.h"
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#include "dev/zoul-sensors.h"
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#include "i2c.h"
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/* -------------------------------------------------------------------------- */
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/**
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* \name BMPx8x address and registers
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* @{
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*/
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/* -------------------------------------------------------------------------- */
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#define BMPx8x_ADDR 0x77
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/* -------------------------------------------------------------------------- */
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/* Control register */
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#define BMPx8x_CTRL_REG 0xF4
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/* Read uncompensated temperature */
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#define BMPx8x_CTRL_REG_TEMP 0x2E
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/* Read uncompensated pressure, no oversampling */
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#define BMPx8x_CTRL_REG_PRESS_4_5MS 0x34
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/* Read uncompensated pressure, oversampling 1*/
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#define BMPx8x_CTRL_REG_PRESS_7_5MS 0x74
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/* Read uncompensated pressure, oversampling 2 */
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#define BMPx8x_CTRL_REG_PRESS_13_5MS 0xB4
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/* Read uncompensated pressure, oversampling 3 */
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#define BMPx8x_CTRL_REG_PRESS_25_5MS 0xF4
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/* -------------------------------------------------------------------------- */
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#define BMPx8x_DATA_MSB 0xF6
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#define BMPx8x_DATA_LSB 0xF7
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/* 19-bit resolution */
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#define BMPx8x_DATA_XLSB 0xF8
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/* -------------------------------------------------------------------------- */
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/* Calibration registers, 16-bit wide */
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#define BMPx8x_AC1_CALIB 0xAA
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#define BMPx8x_AC2_CALIB 0xAC
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#define BMPx8x_AC3_CALIB 0xAE
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#define BMPx8x_AC4_CALIB 0xB0
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#define BMPx8x_AC5_CALIB 0xB2
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#define BMPx8x_AC6_CALIB 0xB4
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#define BMPx8x_B1_CALIB 0xB6
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#define BMPx8x_B2_CALIB 0xB8
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#define BMPx8x_MB_CALIB 0xBA
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#define BMPx8x_MC_CALIB 0xBC
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#define BMPx8x_MD_CALIB 0xBE
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#define BMPx8x_CALIB_TABLE_SIZE 22 /**< size in bytes */
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/** @} */
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/* -------------------------------------------------------------------------- */
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/**
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* \name BMPx8x operation modes
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* @{
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*/
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#define BMPx8x_MODE_ULTRA_LOW_POWER 0x00
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#define BMPx8x_MODE_STANDARD 0x01
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#define BMPx8x_MODE_HIGH_RES 0x02
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#define BMPx8x_MODE_ULTRA_HIGH_RES 0x03
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/* -------------------------------------------------------------------------- */
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#define BMPx8x_DELAY_4_5MS 4700
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#define BMPx8x_DELAY_7_5MS 7700
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#define BMPx8x_DELAY_13_5MS 13700
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#define BMPx8x_DELAY_25_5MS 25700
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/** @} */
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/* -------------------------------------------------------------------------- */
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/**
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* \name BMPx8x return and command values
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* @{
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*/
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#define BMPx8x_SUCCESS 0x00
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#define BMPx8x_ERROR -1
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#define BMPx8x_ACTIVE SENSORS_ACTIVE
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#define BMPx8x_OVERSAMPLING 0x00
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#define BMPx8x_READ_PRESSURE 0x01
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#define BMPx8x_READ_TEMP 0x02
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/** @} */
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/* -------------------------------------------------------------------------- */
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#define BMPx8x_SENSOR "BMP085/BMP180 pressure and temperature sensor"
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/* -------------------------------------------------------------------------- */
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extern const struct sensors_sensor bmpx8x;
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/* -------------------------------------------------------------------------- */
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#endif
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/* -------------------------------------------------------------------------- */
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/**
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* @}
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* @}
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*/
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