286 lines
9.8 KiB
C
286 lines
9.8 KiB
C
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/*
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*
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****************************************************************************
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* Copyright (C) 2015 Bosch Sensortec GmbH
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*
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* File : bme680_internal.h
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*
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* Date : 2016/06/10
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*
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* Revision: 2.0.0
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*
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* Usage: Sensor Driver for BME680 sensor
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*
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****************************************************************************
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*
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* Section Disclaimer
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* License:
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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 are met:
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*
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* 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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*
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* 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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*
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* Neither the name of the copyright holder nor the names of the
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* contributors may be used to endorse or promote products derived from
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* this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND
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* CONTRIBUTORS "AS IS" AND ANY EXPRESS OR
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* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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* DISCLAIMED. IN NO EVENT SHALL COPYRIGHT HOLDER
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* OR CONTRIBUTORS BE LIABLE FOR ANY
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* DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY,
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* OR CONSEQUENTIAL DAMAGES(INCLUDING, BUT NOT LIMITED TO,
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* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
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* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
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* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
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* ANY WAY OUT OF THE USE OF THIS
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* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE
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*
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* The information provided is believed to be accurate and reliable.
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* The copyright holder assumes no responsibility
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* for the consequences of use
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* of such information nor for any infringement of patents or
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* other rights of third parties which may result from its use.
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* No license is granted by implication or otherwise under any patent or
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* patent rights of the copyright holder.
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**************************************************************************/
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/*! \file bme680_internal.h
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\brief BME680 Sensor Driver internal support Header File */
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#ifndef _BME680_INTERNAL_H
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#define _BME680_INTERNAL_H
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/***************************************************************************
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Header files
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****************************************************************************/
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/***************************************************************************
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Macros Enums, Constants only sensor Specific constants
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****************************************************************************/
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/* bme680_internal.h */
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/* Pre-processor switch for separating between I2C and SPI addresses */
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#define BME680_CALIB_SPI_ADDR_1 (0x09)
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#define BME680_CALIB_SPI_ADDR_2 (0x61)
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#define BME680_PAGE0_SPI_ID_REG (0x50)
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#define BME680_CALIB_I2C_ADDR_1 (0x89)
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#define BME680_CALIB_I2C_ADDR_2 (0xE1)
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#define BME680_PAGE0_I2C_ID_REG (0xD0)
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#define BME680_OVERSAMP_TEMP_SHIFT (0x03)
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#define BME680_GAS_WAIT_STEP_SIZE (477)
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#define BME680_SENS_CONF_LEN (0x06)
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#define BME680_SENS_HEATR_CONF_LEN (0x1F)
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#define BME680_TRUE (1)
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#define BME680_FALSE (0)
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#define BME680_CALIB_PARAM_SIZE ((u8)41)
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#define BME680_PAGE0_INTERFACE_SPI ((u8)0)
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#define BME680_PAGE1_INTERFACE_SPI ((u8)1)
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#define BME680_CALIB_DATA_LENGTH_GAS (25)
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#define BME680_CALIB_DATA_LENGTH (16)
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#define BME680_BIT_MASK_H1_DATA (0x0F)
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#define BME680_FIELD_ZERO (0)
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#define BME680_FIELD_ONE (1)
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#define BME680_FIELD_TWO (2)
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#define BME680_FIELD_ONE_OFFSET (17)
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#define BME680_FIELD_TWO_OFFSET (34)
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#define BME680_FIELD_SIZE (17)
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/* Sensor Specific constants */
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#define BME680_GAS_BIT_MASK (0x00C0)
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#define BME680_GAS_WAIT_MAX_TIMER_VALUE (0x3F)
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#define BME680_GAS_WAIT_MIN_TIMER_VALUE (0x00)
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#define BME680_PROFILE_MAX (10)
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#define BME680_ADDR_SPI_MEM_PAGE (0x73)
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#define BME680_ADDR_OP_MODE (0x74)
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#define BME680_ADDR_SENS_CONF_START (0x50)
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#define BME680_ADDR_FIELD_0 (0x1D)
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#define BME680_ADDR_SENSOR_CONFIG (0x70)
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#define BME680_ADDR_RES_HEAT_VAL (0x00)
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#define BME680_ADDR_RES_HEAT_RANGE (0x02)
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#define BME680_ADDR_RANGE_SWITCHING_ERR (0x04)
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/* Section 3.2: Sub-register addresses, masks and bit shifts */
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#define BME680_MASK_OP_MODE (0xFC)
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#define BME680_MASK_HEATR_CTRL (0xF7)
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#define BME680_MASK_ODR_3 (0x7F)
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#define BME680_MASK_ODR_2_0 (0x1F)
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#define BME680_MASK_RUN_GAS (0xEF)
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#define BME680_MASK_PROF_INDEX (0xF0)
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#define BME680_MASK_OSRS_HUM (0xF8)
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#define BME680_MASK_OSRS_PRES (0xE3)
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#define BME680_MASK_OSRS_TEMP (0x1F)
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#define BME680_MASK_FILTER (0xE3)
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#define BME680_MASK_NEW_DATA (0x7F)
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#define BME680_MASK_GAS_MEAS_STAT (0xBF)
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#define BME680_MASK_TPHG_MEAS_STAT (0xDF)
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#define BME680_MASK_GAS_MEAS_INDEX (0xF0)
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#define BME680_MASK_GAS_RANGE (0xF0)
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#define BME680_MASK_GAS_VALID (0xDF)
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#define BME680_MASK_HEATR_STAB (0xEF)
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#define BME680_MASK_SPI_3W_INT (0xBF)
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#define BME680_MASK_SPI_3W_EN (0xFE)
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#define BME680_MASK_MEM_PAGE (0xEF)
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#define BME680_MASK_RES_HEAT_RANGE (0xCF)
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#define BME680_MASK_RANGE_ERR (0x0F)
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/* Section : Register settings/values */
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/* Lengths to support burst reads/writes */
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#define BME680_SINGLE_FIELD_LENGTH (15)
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#define BME680_LEN_ALL_FIELD_SIZE (49)
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#define BME680_ADDR_FIELD_0_STATUS (0x1D)
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#define BME680_ADDR_FIELD_1_STATUS (0x2E)
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#define BME680_ADDR_FIELD_2_STATUS (0x3F)
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#define BME680_ADDR_FIELD_0_TEMP1 (0x22)
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#define BME680_ADDR_FIELD_0_TEMP2 (0x27)
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#define BME680_ADDR_FIELD_1_TEMP1 (0x33)
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#define BME680_ADDR_FIELD_1_TEMP2 (0x38)
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#define BME680_ADDR_FIELD_2_TEMP1 (0x44)
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#define BME680_ADDR_FIELD_2_TEMP2 (0x49)
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#define BME680_ADDR_FIELD_0_PRESS (0x1F)
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#define BME680_ADDR_FIELD_1_PRESS (0x30)
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#define BME680_ADDR_FIELD_2_PRESS (0x41)
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#define BME680_ADDR_FIELD_0_HUM (0x25)
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#define BME680_ADDR_FIELD_1_HUM (0x36)
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#define BME680_ADDR_FIELD_2_HUM (0x47)
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#define BME680_ADDR_FIELD_0_GAS (0x2A)
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#define BME680_ADDR_FIELD_1_GAS (0x3B)
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#define BME680_ADDR_FIELD_2_GAS (0x4C)
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/*******************************************************/
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/* Array Index to Field data mapping*/
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/********************************************************/
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/* For Calibration Data*/
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#define DIG_T2_LSB_REG (1)
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#define DIG_T2_MSB_REG (2)
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#define DIG_T3_REG (3)
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#define DIG_P1_LSB_REG (5)
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#define DIG_P1_MSB_REG (6)
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#define DIG_P2_LSB_REG (7)
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#define DIG_P2_MSB_REG (8)
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#define DIG_P3_REG (9)
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#define DIG_P4_LSB_REG (11)
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#define DIG_P4_MSB_REG (12)
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#define DIG_P5_LSB_REG (13)
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#define DIG_P5_MSB_REG (14)
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#define DIG_P7_REG (15)
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#define DIG_P6_REG (16)
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#define DIG_P8_LSB_REG (19)
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#define DIG_P8_MSB_REG (20)
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#define DIG_P9_LSB_REG (21)
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#define DIG_P9_MSB_REG (22)
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#define DIG_P10_REG (23)
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#define DIG_H2_MSB_REG (25)
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#define DIG_H2_LSB_REG (26)
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#define DIG_H1_LSB_REG (26)
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#define DIG_H1_MSB_REG (27)
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#define DIG_H3_REG (28)
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#define DIG_H4_REG (29)
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#define DIG_H5_REG (30)
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#define DIG_H6_REG (31)
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#define DIG_H7_REG (32)
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#define DIG_T1_LSB_REG (33)
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#define DIG_T1_MSB_REG (34)
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#define DIG_GH2_LSB_REG (35)
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#define DIG_GH2_MSB_REG (36)
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#define DIG_GH1_REG (37)
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#define DIG_GH3_REG (38)
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/* For TPHG data */
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#define FIELD_0_MEAS_STATUS_0 (0)
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#define FIELD_0_MEAS_STATUS_1 (1)
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#define FIELD_0_GAS_RL_LSB (14)
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/*!
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@brief data frame includes temperature, pressure, humidity
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and gas data*/
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#define BME680_DATA_FRAME_PRESSURE_MSB_DATA ((u8)2)
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#define BME680_DATA_FRAME_PRESSURE_LSB_DATA ((u8)3)
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#define BME680_DATA_FRAME_PRESSURE_XLSB_DATA ((u8)4)
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#define BME680_DATA_FRAME_TEMPERATURE1_MSB_DATA ((u8)5)
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#define BME680_DATA_FRAME_TEMPERATURE1_LSB_DATA ((u8)6)
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#define BME680_DATA_FRAME_TEMPERATURE1_XLSB_DATA ((u8)7)
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#define BME680_DATA_FRAME_HUMIDITY_MSB_DATA ((u8)8)
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#define BME680_DATA_FRAME_HUMIDITY_LSB_DATA ((u8)9)
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#define BME680_DATA_FRAME_GAS_MSB_DATA ((u8)13)
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#define BME680_DATA_FRAME_GAS_LSB_DATA ((u8)14)
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/* Positions to support indexing in an array */
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#define BME680_INDEX_CTRL_GAS_0 (0)
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#define BME680_INDEX_CTRL_GAS_1 (1)
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#define BME680_INDEX_CTRL_HUM (2)
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#define BME680_INDEX_CTRL_MEAS (4)
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#define BME680_INDEX_CONFIG (5)
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/* Constants to store the bit shift parameters */
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#define BME680_SHIFT_OP_MODE (0)
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#define BME680_SHIFT_HEATR_CTRL (3)
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#define BME680_SHIFT_ODR_3 (4)
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#define BME680_SHIFT_ODR_2_0 (5)
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#define BME680_SHIFT_RUN_GAS (4)
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#define BME680_SHIFT_PROF_INDEX (0)
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#define BME680_SHIFT_OSRS_HUM (0)
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#define BME680_SHIFT_OSRS_TEMP (5)
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#define BME680_SHIFT_OSRS_PRES (2)
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#define BME680_SHIFT_FILTER (2)
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#define BME680_SHIFT_NEW_DATA (7)
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#define BME680_SHIFT_GAS_MEAS_STAT (6)
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#define BME680_SHIFT_TPHG_MEAS_STAT (5)
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#define BME680_SHIFT_GAS_MEAS_INDEX (0)
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#define BME680_SHIFT_GAS_RANGE (0)
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#define BME680_SHIFT_GAS_VALID (5)
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#define BME680_SHIFT_HEATR_STAB (4)
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#define BME680_SHIFT_SPI_3W_INT (6)
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#define BME680_SHIFT_SPI_3W_EN (0)
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#define BME680_SHIFT_SPI_MEM_PAGE (4)
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#define BME680_SHIFT_RES_HEAT_RANGE (4)
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#define BME680_SHIFT_RANGE_ERR (4)
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#define BME680_ONE (1)
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#define BME680_TWO (2)
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#define BME680_THREE (3)
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#define BME680_GEN_READ_DATA_LENGTH ((u8)1)
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#define BME680_GEN_WRITE_DATA_LENGTH ((u8)1)
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/* bme680_internal.h */
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/***************************************************************************
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Module globals, typedefs
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****************************************************************************/
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/***************************************************************************
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Function definitions
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****************************************************************************/
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#endif
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