136 lines
5.4 KiB
C
136 lines
5.4 KiB
C
/*
|
|
* 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.
|
|
*
|
|
* This file is part of the Contiki operating system.
|
|
*
|
|
*/
|
|
/*---------------------------------------------------------------------------*/
|
|
/**
|
|
* \addtogroup zoul-sensors
|
|
* @{
|
|
*
|
|
* \defgroup zoul-bmpx8x-sensor BMP085/BMP180 Sensor
|
|
*
|
|
* Driver for the BMP085/BMP180 sensor
|
|
*
|
|
* BMP085/BMP180 digital atmospheric pressure and temperature driver
|
|
* @{
|
|
*
|
|
* \file
|
|
* Header file for the external BMP085/BMP180 Sensor Driver
|
|
*
|
|
* \author
|
|
* Antonio Lignan <alinan@zolertia.com>
|
|
*/
|
|
/*---------------------------------------------------------------------------*/
|
|
#ifndef BMPX8X_H_
|
|
#define BMPX8X_H_
|
|
#include <stdio.h>
|
|
#include "lib/sensors.h"
|
|
#include "dev/zoul-sensors.h"
|
|
#include "i2c.h"
|
|
/* -------------------------------------------------------------------------- */
|
|
/**
|
|
* \name BMPx8x address and registers
|
|
* @{
|
|
*/
|
|
/* -------------------------------------------------------------------------- */
|
|
#define BMPx8x_ADDR 0x77
|
|
/* -------------------------------------------------------------------------- */
|
|
/* Control register */
|
|
#define BMPx8x_CTRL_REG 0xF4
|
|
/* Read uncompensated temperature */
|
|
#define BMPx8x_CTRL_REG_TEMP 0x2E
|
|
/* Read uncompensated pressure, no oversampling */
|
|
#define BMPx8x_CTRL_REG_PRESS_4_5MS 0x34
|
|
/* Read uncompensated pressure, oversampling 1*/
|
|
#define BMPx8x_CTRL_REG_PRESS_7_5MS 0x74
|
|
/* Read uncompensated pressure, oversampling 2 */
|
|
#define BMPx8x_CTRL_REG_PRESS_13_5MS 0xB4
|
|
/* Read uncompensated pressure, oversampling 3 */
|
|
#define BMPx8x_CTRL_REG_PRESS_25_5MS 0xF4
|
|
/* -------------------------------------------------------------------------- */
|
|
#define BMPx8x_DATA_MSB 0xF6
|
|
#define BMPx8x_DATA_LSB 0xF7
|
|
/* 19-bit resolution */
|
|
#define BMPx8x_DATA_XLSB 0xF8
|
|
/* -------------------------------------------------------------------------- */
|
|
/* Calibration registers, 16-bit wide */
|
|
#define BMPx8x_AC1_CALIB 0xAA
|
|
#define BMPx8x_AC2_CALIB 0xAC
|
|
#define BMPx8x_AC3_CALIB 0xAE
|
|
#define BMPx8x_AC4_CALIB 0xB0
|
|
#define BMPx8x_AC5_CALIB 0xB2
|
|
#define BMPx8x_AC6_CALIB 0xB4
|
|
#define BMPx8x_B1_CALIB 0xB6
|
|
#define BMPx8x_B2_CALIB 0xB8
|
|
#define BMPx8x_MB_CALIB 0xBA
|
|
#define BMPx8x_MC_CALIB 0xBC
|
|
#define BMPx8x_MD_CALIB 0xBE
|
|
#define BMPx8x_CALIB_TABLE_SIZE 22 /**< size in bytes */
|
|
/** @} */
|
|
/* -------------------------------------------------------------------------- */
|
|
/**
|
|
* \name BMPx8x operation modes
|
|
* @{
|
|
*/
|
|
#define BMPx8x_MODE_ULTRA_LOW_POWER 0x00
|
|
#define BMPx8x_MODE_STANDARD 0x01
|
|
#define BMPx8x_MODE_HIGH_RES 0x02
|
|
#define BMPx8x_MODE_ULTRA_HIGH_RES 0x03
|
|
/* -------------------------------------------------------------------------- */
|
|
#define BMPx8x_DELAY_4_5MS 4700
|
|
#define BMPx8x_DELAY_7_5MS 7700
|
|
#define BMPx8x_DELAY_13_5MS 13700
|
|
#define BMPx8x_DELAY_25_5MS 25700
|
|
/** @} */
|
|
/* -------------------------------------------------------------------------- */
|
|
/**
|
|
* \name BMPx8x return and command values
|
|
* @{
|
|
*/
|
|
#define BMPx8x_SUCCESS 0x00
|
|
#define BMPx8x_ERROR -1
|
|
|
|
#define BMPx8x_ACTIVE SENSORS_ACTIVE
|
|
#define BMPx8x_OVERSAMPLING 0x00
|
|
#define BMPx8x_READ_PRESSURE 0x01
|
|
#define BMPx8x_READ_TEMP 0x02
|
|
/** @} */
|
|
/* -------------------------------------------------------------------------- */
|
|
#define BMPx8x_SENSOR "BMP085/BMP180 pressure and temperature sensor"
|
|
/* -------------------------------------------------------------------------- */
|
|
extern const struct sensors_sensor bmpx8x;
|
|
/* -------------------------------------------------------------------------- */
|
|
#endif
|
|
/* -------------------------------------------------------------------------- */
|
|
/**
|
|
* @}
|
|
* @}
|
|
*/
|
|
|