603 lines
23 KiB
C
603 lines
23 KiB
C
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/**
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* Copyright (c) 2021 Bosch Sensortec GmbH. All rights reserved.
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*
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* BSD-3-Clause
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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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* 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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*
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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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*
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* 3. Neither the name of the copyright holder nor the names of its
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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 CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
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* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
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* COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
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* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
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* 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,
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* STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
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* IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*
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* @file bmp2_defs.h
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* @date 2021-05-21
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* @version v1.0.1
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*
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*/
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/*! @file bmp2_defs.h
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* @brief Sensor driver for BMP2 sensor
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*/
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#ifndef _BMP2_DEFS_H
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#define _BMP2_DEFS_H
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/*! CPP guard */
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#ifdef __cplusplus
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extern "C" {
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#endif
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/****************************************************************/
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/*! @name Header includes */
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/****************************************************************/
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#ifdef __KERNEL__
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#include <linux/types.h>
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#include <linux/kernel.h>
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#else
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#include <stdint.h>
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#include <stddef.h>
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#endif
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/****************************************************************/
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/*! @name Common macros */
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/****************************************************************/
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#ifdef __KERNEL__
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#if !defined(UINT8_C) && !defined(INT8_C)
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#define INT8_C(x) S8_C(x)
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#define UINT8_C(x) U8_C(x)
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#endif
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#if !defined(UINT16_C) && !defined(INT16_C)
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#define INT16_C(x) S16_C(x)
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#define UINT16_C(x) U16_C(x)
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#endif
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#if !defined(INT32_C) && !defined(UINT32_C)
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#define INT32_C(x) S32_C(x)
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#define UINT32_C(x) U32_C(x)
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#endif
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#if !defined(INT64_C) && !defined(UINT64_C)
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#define INT64_C(x) S64_C(x)
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#define UINT64_C(x) U64_C(x)
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#endif
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#endif
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/*! @name C standard macros */
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#ifndef NULL
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#ifdef __cplusplus
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#define NULL 0
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#else
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#define NULL ((void *) 0)
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#endif
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#endif
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/******************************************************************************/
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/*! @name Compiler switch macros Definitions */
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/******************************************************************************/
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#ifndef BMP2_64BIT_COMPENSATION /*< Check if 64bit (using BMP2_64BIT_COMPENSATION) is enabled */
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#ifndef BMP2_32BIT_COMPENSATION /*< Check if 32bit (using BMP2_32BIT_COMPENSATION) is enabled */
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#ifndef BMP2_DOUBLE_COMPENSATION /*< If any of the integer data types not enabled then enable
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* BMP2_DOUBLE_COMPENSATION */
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#define BMP2_DOUBLE_COMPENSATION
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#endif
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#endif
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#endif
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/******************************************************************************/
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/*! @name General Macro Definitions */
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/******************************************************************************/
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/*! @name Maximum write length to registers */
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#define BMP2_MAX_LEN UINT8_C(4)
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/*! @name Return codes */
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/*! @name Success code*/
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#define BMP2_OK INT8_C(0)
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/*! @name Error codes */
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#define BMP2_E_NULL_PTR INT8_C(-1)
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#define BMP2_E_COM_FAIL INT8_C(-2)
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#define BMP2_E_INVALID_LEN INT8_C(-3)
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#define BMP2_E_DEV_NOT_FOUND INT8_C(-4)
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#define BMP2_E_UNCOMP_TEMP_RANGE INT8_C(-5)
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#define BMP2_E_UNCOMP_PRESS_RANGE INT8_C(-6)
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#define BMP2_E_UNCOMP_TEMP_AND_PRESS_RANGE INT8_C(-7)
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/*! @name Warning codes */
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#define BMP2_W_MIN_TEMP INT8_C(1)
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#define BMP2_W_MAX_TEMP INT8_C(2)
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#define BMP2_W_MIN_PRES INT8_C(3)
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#define BMP2_W_MAX_PRES INT8_C(4)
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/*! @name Chip ID */
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#define BMP2_CHIP_ID UINT8_C(0x58)
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/*! @name I2C addresses */
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#define BMP2_I2C_ADDR_PRIM UINT8_C(0x76)
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#define BMP2_I2C_ADDR_SEC UINT8_C(0x77)
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/*! @name Register addresses */
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#define BMP2_REG_CHIP_ID UINT8_C(0xD0)
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#define BMP2_REG_SOFT_RESET UINT8_C(0xE0)
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#define BMP2_REG_STATUS UINT8_C(0xF3)
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#define BMP2_REG_CTRL_MEAS UINT8_C(0xF4)
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#define BMP2_REG_CONFIG UINT8_C(0xF5)
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#define BMP2_REG_PRES_MSB UINT8_C(0xF7)
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#define BMP2_REG_PRES_LSB UINT8_C(0xF8)
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#define BMP2_REG_PRES_XLSB UINT8_C(0xF9)
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#define BMP2_REG_TEMP_MSB UINT8_C(0xFA)
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#define BMP2_REG_TEMP_LSB UINT8_C(0xFB)
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#define BMP2_REG_TEMP_XLSB UINT8_C(0xFC)
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/* Calibration parameter register addresses */
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#define BMP2_REG_DIG_T1_LSB UINT8_C(0x88)
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#define BMP2_REG_DIG_T1_MSB UINT8_C(0x89)
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#define BMP2_REG_DIG_T2_LSB UINT8_C(0x8A)
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#define BMP2_REG_DIG_T2_MSB UINT8_C(0x8B)
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#define BMP2_REG_DIG_T3_LSB UINT8_C(0x8C)
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#define BMP2_REG_DIG_T3_MSB UINT8_C(0x8D)
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#define BMP2_REG_DIG_P1_LSB UINT8_C(0x8E)
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#define BMP2_REG_DIG_P1_MSB UINT8_C(0x8F)
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#define BMP2_REG_DIG_P2_LSB UINT8_C(0x90)
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#define BMP2_REG_DIG_P2_MSB UINT8_C(0x91)
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#define BMP2_REG_DIG_P3_LSB UINT8_C(0x92)
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#define BMP2_REG_DIG_P3_MSB UINT8_C(0x93)
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#define BMP2_REG_DIG_P4_LSB UINT8_C(0x94)
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#define BMP2_REG_DIG_P4_MSB UINT8_C(0x95)
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#define BMP2_REG_DIG_P5_LSB UINT8_C(0x96)
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#define BMP2_REG_DIG_P5_MSB UINT8_C(0x97)
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#define BMP2_REG_DIG_P6_LSB UINT8_C(0x98)
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#define BMP2_REG_DIG_P6_MSB UINT8_C(0x99)
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#define BMP2_REG_DIG_P7_LSB UINT8_C(0x9A)
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#define BMP2_REG_DIG_P7_MSB UINT8_C(0x9B)
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#define BMP2_REG_DIG_P8_LSB UINT8_C(0x9C)
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#define BMP2_REG_DIG_P8_MSB UINT8_C(0x9D)
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#define BMP2_REG_DIG_P9_LSB UINT8_C(0x9E)
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#define BMP2_REG_DIG_P9_MSB UINT8_C(0x9F)
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/*! @name Interface settings */
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#define BMP2_SPI_RD_MASK UINT8_C(0x80)
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#define BMP2_SPI_WR_MASK UINT8_C(0x7F)
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/*! @name Delay definition */
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#define BMP2_DELAY_US_STARTUP_TIME UINT8_C(2000)
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/*! @name Power modes */
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#define BMP2_POWERMODE_SLEEP UINT8_C(0x00)
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#define BMP2_POWERMODE_FORCED UINT8_C(0x01)
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#define BMP2_POWERMODE_NORMAL UINT8_C(0x03)
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#define BMP2_POWERMODE_POS UINT8_C(0x00)
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#define BMP2_POWERMODE_MSK UINT8_C(0x03)
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/*! @name Soft reset command */
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#define BMP2_SOFT_RESET_CMD UINT8_C(0xB6)
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/*! @name Data length */
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#define BMP2_P_T_LEN UINT8_C(0X06)
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/*! @name Temperature range values in integer(32bit, 64bit) and float */
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#define BMP2_MIN_TEMP_INT INT32_C(-4000)
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#define BMP2_MAX_TEMP_INT INT32_C(8500)
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#define BMP2_MIN_TEMP_DOUBLE -40.0f
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#define BMP2_MAX_TEMP_DOUBLE 85.0f
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/*! @name Pressure range values in integer and float */
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#define BMP2_MIN_PRES_32INT UINT32_C(30000)
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#define BMP2_MAX_PRES_32INT UINT32_C(110000)
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#define BMP2_MIN_PRES_64INT UINT32_C(30000 * 256)
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#define BMP2_MAX_PRES_64INT UINT32_C(110000 * 256)
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#define BMP2_MIN_PRES_DOUBLE 30000.0f
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#define BMP2_MAX_PRES_DOUBLE 110000.0f
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/*! @name ODR options */
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#define BMP2_ODR_0_5_MS UINT8_C(0x00)
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#define BMP2_ODR_62_5_MS UINT8_C(0x01)
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#define BMP2_ODR_125_MS UINT8_C(0x02)
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#define BMP2_ODR_250_MS UINT8_C(0x03)
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#define BMP2_ODR_500_MS UINT8_C(0x04)
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#define BMP2_ODR_1000_MS UINT8_C(0x05)
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#define BMP2_ODR_2000_MS UINT8_C(0x06)
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#define BMP2_ODR_4000_MS UINT8_C(0x07)
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/*! @name Over-sampling macros */
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#define BMP2_OS_NONE UINT8_C(0x00)
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#define BMP2_OS_1X UINT8_C(0x01)
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#define BMP2_OS_2X UINT8_C(0x02)
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#define BMP2_OS_4X UINT8_C(0x03)
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#define BMP2_OS_8X UINT8_C(0x04)
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#define BMP2_OS_16X UINT8_C(0x05)
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#define BMP2_OS_TEMP_POS UINT8_C(0x05)
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#define BMP2_OS_TEMP_MSK UINT8_C(0xE0)
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#define BMP2_OS_PRES_POS UINT8_C(0x02)
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#define BMP2_OS_PRES_MSK UINT8_C(0x1C)
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/*! @name Over-sampling mode */
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#define BMP2_OS_MODE_ULTRA_LOW_POWER UINT8_C(0x00)
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#define BMP2_OS_MODE_LOW_POWER UINT8_C(0x01)
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#define BMP2_OS_MODE_STANDARD_RESOLUTION UINT8_C(0x02)
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#define BMP2_OS_MODE_HIGH_RESOLUTION UINT8_C(0x03)
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#define BMP2_OS_MODE_ULTRA_HIGH_RESOLUTION UINT8_C(0x04)
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/*! @name Filter coefficient macros */
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#define BMP2_FILTER_OFF UINT8_C(0x00)
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#define BMP2_FILTER_COEFF_2 UINT8_C(0x01)
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#define BMP2_FILTER_COEFF_4 UINT8_C(0x02)
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#define BMP2_FILTER_COEFF_8 UINT8_C(0x03)
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#define BMP2_FILTER_COEFF_16 UINT8_C(0x04)
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#define BMP2_FILTER_POS UINT8_C(0x02)
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#define BMP2_FILTER_MSK UINT8_C(0x1C)
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/*! @name SPI 3-Wire macros */
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#define BMP2_SPI3_WIRE_ENABLE UINT8_C(0x01)
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#define BMP2_SPI3_WIRE_DISABLE UINT8_C(0x00)
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#define BMP2_SPI3_ENABLE_POS UINT8_C(0x00)
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#define BMP2_SPI3_ENABLE_MSK UINT8_C(0x01)
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/*! @name Measurement status macros */
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#define BMP2_MEAS_DONE UINT8_C(0x00)
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#define BMP2_MEAS_ONGOING UINT8_C(0x01)
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#define BMP2_STATUS_MEAS_POS UINT8_C(0x03)
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#define BMP2_STATUS_MEAS_MSK UINT8_C(0x08)
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/*! @name Image update status macros */
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#define BMP2_IM_UPDATE_DONE UINT8_C(0x00)
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#define BMP2_IM_UPDATE_ONGOING UINT8_C(0x01)
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#define BMP2_STATUS_IM_UPDATE_POS UINT8_C(0x00)
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#define BMP2_STATUS_IM_UPDATE_MSK UINT8_C(0x01)
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/*! @name Standby duration macros */
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#define BMP2_STANDBY_DURN_POS UINT8_C(0x05)
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#define BMP2_STANDBY_DURN_MSK UINT8_C(0xE0)
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/*! @name Calibration parameters' relative position */
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#define BMP2_DIG_T1_LSB_POS UINT8_C(0)
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#define BMP2_DIG_T1_MSB_POS UINT8_C(1)
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#define BMP2_DIG_T2_LSB_POS UINT8_C(2)
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#define BMP2_DIG_T2_MSB_POS UINT8_C(3)
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#define BMP2_DIG_T3_LSB_POS UINT8_C(4)
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#define BMP2_DIG_T3_MSB_POS UINT8_C(5)
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#define BMP2_DIG_P1_LSB_POS UINT8_C(6)
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#define BMP2_DIG_P1_MSB_POS UINT8_C(7)
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#define BMP2_DIG_P2_LSB_POS UINT8_C(8)
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#define BMP2_DIG_P2_MSB_POS UINT8_C(9)
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#define BMP2_DIG_P3_LSB_POS UINT8_C(10)
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#define BMP2_DIG_P3_MSB_POS UINT8_C(11)
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#define BMP2_DIG_P4_LSB_POS UINT8_C(12)
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#define BMP2_DIG_P4_MSB_POS UINT8_C(13)
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#define BMP2_DIG_P5_LSB_POS UINT8_C(14)
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#define BMP2_DIG_P5_MSB_POS UINT8_C(15)
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#define BMP2_DIG_P6_LSB_POS UINT8_C(16)
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#define BMP2_DIG_P6_MSB_POS UINT8_C(17)
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#define BMP2_DIG_P7_LSB_POS UINT8_C(18)
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#define BMP2_DIG_P7_MSB_POS UINT8_C(19)
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#define BMP2_DIG_P8_LSB_POS UINT8_C(20)
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#define BMP2_DIG_P8_MSB_POS UINT8_C(21)
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#define BMP2_DIG_P9_LSB_POS UINT8_C(22)
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#define BMP2_DIG_P9_MSB_POS UINT8_C(23)
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#define BMP2_DIG_P10_POS UINT8_C(24)
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#define BMP2_CALIB_DATA_SIZE UINT8_C(25)
|
||
|
|
|
||
|
|
/*! @brief Macros holding the minimum and maximum for trimming values */
|
||
|
|
#define BMP2_ST_DIG_T1_MIN UINT16_C(19000)
|
||
|
|
#define BMP2_ST_DIG_T1_MAX UINT16_C(35000)
|
||
|
|
#define BMP2_ST_DIG_T2_MIN UINT16_C(22000)
|
||
|
|
#define BMP2_ST_DIG_T2_MAX UINT16_C(30000)
|
||
|
|
#define BMP2_ST_DIG_T3_MIN INT16_C(-3000)
|
||
|
|
#define BMP2_ST_DIG_T3_MAX INT16_C(-1000)
|
||
|
|
#define BMP2_ST_DIG_P1_MIN UINT16_C(30000)
|
||
|
|
#define BMP2_ST_DIG_P1_MAX UINT16_C(42000)
|
||
|
|
#define BMP2_ST_DIG_P2_MIN INT16_C(-12970)
|
||
|
|
#define BMP2_ST_DIG_P2_MAX INT16_C(-8000)
|
||
|
|
#define BMP2_ST_DIG_P3_MIN INT16_C(-5000)
|
||
|
|
#define BMP2_ST_DIG_P3_MAX UINT16_C(8000)
|
||
|
|
#define BMP2_ST_DIG_P4_MIN INT16_C(-10000)
|
||
|
|
#define BMP2_ST_DIG_P4_MAX UINT16_C(18000)
|
||
|
|
#define BMP2_ST_DIG_P5_MIN INT16_C(-500)
|
||
|
|
#define BMP2_ST_DIG_P5_MAX UINT16_C(1100)
|
||
|
|
#define BMP2_ST_DIG_P6_MIN INT16_C(-1000)
|
||
|
|
#define BMP2_ST_DIG_P6_MAX UINT16_C(1000)
|
||
|
|
#define BMP2_ST_DIG_P7_MIN INT16_C(-32768)
|
||
|
|
#define BMP2_ST_DIG_P7_MAX UINT16_C(32767)
|
||
|
|
#define BMP2_ST_DIG_P8_MIN INT16_C(-30000)
|
||
|
|
#define BMP2_ST_DIG_P8_MAX UINT16_C(10000)
|
||
|
|
#define BMP2_ST_DIG_P9_MIN INT16_C(-10000)
|
||
|
|
#define BMP2_ST_DIG_P9_MAX UINT16_C(30000)
|
||
|
|
|
||
|
|
/*! @brief Macros holding the minimum and maximum for trimming values */
|
||
|
|
/* 0x00000 is minimum output value */
|
||
|
|
#define BMP2_ST_ADC_T_MIN INT32_C(0x00000)
|
||
|
|
|
||
|
|
/* 0xFFFF0 is maximum 20-bit output value without over sampling */
|
||
|
|
#define BMP2_ST_ADC_T_MAX INT32_C(0xFFFF0)
|
||
|
|
|
||
|
|
/* 0x00000 is minimum output value */
|
||
|
|
#define BMP2_ST_ADC_P_MIN INT32_C(0x00000)
|
||
|
|
|
||
|
|
/* 0xFFFF0 is maximum 20-bit output value without over sampling */
|
||
|
|
#define BMP2_ST_ADC_P_MAX INT32_C(0xFFFF0)
|
||
|
|
|
||
|
|
/*! @brief Macros to read out API revision number */
|
||
|
|
/* Register holding custom trimming values */
|
||
|
|
#define BMP2_ST_TRIMCUSTOM_REG UINT8_C(0x87)
|
||
|
|
#define BMP2_ST_TRIMCUSTOM_REG_APIREV_POS UINT8_C(1)
|
||
|
|
#define BMP2_ST_TRIMCUSTOM_REG_APIREV_MSK UINT8_C(0x06)
|
||
|
|
#define BMP2_ST_TRIMCUSTOM_REG_APIREV_LEN UINT8_C(2)
|
||
|
|
#define BMP2_ST_TRIMCUSTOM_REG_APIREV_REG BMP2_ST_TRIMCUSTOM_REG
|
||
|
|
|
||
|
|
/* Highest API revision supported is revision 0. */
|
||
|
|
#define BMP2_ST_MAX_APIREVISION UINT8_C(0x00)
|
||
|
|
|
||
|
|
#define BMP2_MSBLSB_TO_U16(msb, lsb) (((uint16_t)msb << 8) | ((uint16_t)lsb))
|
||
|
|
|
||
|
|
/*! @name Bit-slicing macros */
|
||
|
|
#define BMP2_GET_BITS(reg_data, bitname) ((reg_data & bitname##_MSK) \
|
||
|
|
>> bitname##_POS)
|
||
|
|
#define BMP2_SET_BITS(reg_data, bitname, val) ((reg_data & \
|
||
|
|
~bitname##_MSK) | ((val << bitname##_POS) & bitname##_MSK))
|
||
|
|
#define BMP2_SET_BITS_POS_0(reg_data, bitname, data) ((reg_data & \
|
||
|
|
~(bitname##_MSK)) | (data & bitname##_MSK))
|
||
|
|
#define BMP2_GET_BITS_POS_0(reg_data, bitname) (reg_data & \
|
||
|
|
(bitname##_MSK))
|
||
|
|
|
||
|
|
/******************************************************************************/
|
||
|
|
/*! @name Function Pointers */
|
||
|
|
/******************************************************************************/
|
||
|
|
#ifndef BMP2_INTF_RET_TYPE
|
||
|
|
#define BMP2_INTF_RET_TYPE int8_t
|
||
|
|
#endif
|
||
|
|
|
||
|
|
#ifndef BMP2_INTF_RET_SUCCESS
|
||
|
|
#define BMP2_INTF_RET_SUCCESS INT8_C(0)
|
||
|
|
#endif
|
||
|
|
|
||
|
|
/*!
|
||
|
|
* @brief Bus communication function pointer which should be mapped to
|
||
|
|
* the platform specific read functions of the user
|
||
|
|
*
|
||
|
|
* @param[in] reg_addr : 8bit register address of the sensor
|
||
|
|
* @param[out] reg_data : Data from the specified address
|
||
|
|
* @param[in] length : Length of the reg_data array
|
||
|
|
* @param[in,out] intf_ptr : Void pointer that can enable the linking of descriptors
|
||
|
|
* for interface related callbacks
|
||
|
|
* @retval 0 for Success
|
||
|
|
* @retval Non-zero for Failure
|
||
|
|
*/
|
||
|
|
typedef BMP2_INTF_RET_TYPE (*bmp2_read_fptr_t)(uint8_t reg_addr, uint8_t *reg_data, uint32_t length, void *intf_ptr);
|
||
|
|
|
||
|
|
/*!
|
||
|
|
* @brief Bus communication function pointer which should be mapped to
|
||
|
|
* the platform specific read functions of the user
|
||
|
|
*
|
||
|
|
* @param[in] reg_addr : 8bit register address of the sensor
|
||
|
|
* @param[out] reg_data : Data from the specified address
|
||
|
|
* @param[in] length : Length of the reg_data array
|
||
|
|
* @param[in,out] intf_ptr : Void pointer that can enable the linking of descriptors
|
||
|
|
* for interface related callbacks
|
||
|
|
* @retval 0 for Success
|
||
|
|
* @retval Non-zero for Failure
|
||
|
|
*/
|
||
|
|
typedef BMP2_INTF_RET_TYPE (*bmp2_write_fptr_t)(uint8_t reg_addr, const uint8_t *reg_data, uint32_t length,
|
||
|
|
void *intf_ptr);
|
||
|
|
|
||
|
|
/*!
|
||
|
|
* @brief Delay function pointer which should be mapped to
|
||
|
|
* delay function of the user
|
||
|
|
*
|
||
|
|
* @param period - The time period in microseconds
|
||
|
|
* @param[in,out] intf_ptr : Void pointer that can enable the linking of descriptors
|
||
|
|
* for interface related callbacks
|
||
|
|
*/
|
||
|
|
typedef void (*bmp2_delay_us_fptr_t)(uint32_t period, void *intf_ptr);
|
||
|
|
|
||
|
|
/******************************************************************************/
|
||
|
|
/*! @name Enum Declarations */
|
||
|
|
/******************************************************************************/
|
||
|
|
|
||
|
|
/*!
|
||
|
|
* @brief Enum to define BMP2 sensor interfaces
|
||
|
|
*/
|
||
|
|
enum bmp2_intf {
|
||
|
|
/*! SPI interface */
|
||
|
|
BMP2_SPI_INTF,
|
||
|
|
/*! I2C interface */
|
||
|
|
BMP2_I2C_INTF
|
||
|
|
};
|
||
|
|
|
||
|
|
/******************************************************************************/
|
||
|
|
/*! @name Structure Declarations */
|
||
|
|
/******************************************************************************/
|
||
|
|
|
||
|
|
/*!
|
||
|
|
* @brief Calibration parameters' structure
|
||
|
|
*/
|
||
|
|
struct bmp2_calib_param
|
||
|
|
{
|
||
|
|
/*! Calibration parameter of temperature data */
|
||
|
|
|
||
|
|
/*! Calibration t1 data */
|
||
|
|
uint16_t dig_t1;
|
||
|
|
|
||
|
|
/*! Calibration t2 data */
|
||
|
|
int16_t dig_t2;
|
||
|
|
|
||
|
|
/*! Calibration t3 data */
|
||
|
|
int16_t dig_t3;
|
||
|
|
|
||
|
|
/*! Calibration parameter of pressure data */
|
||
|
|
|
||
|
|
/*! Calibration p1 data */
|
||
|
|
uint16_t dig_p1;
|
||
|
|
|
||
|
|
/*! Calibration p2 data */
|
||
|
|
int16_t dig_p2;
|
||
|
|
|
||
|
|
/*! Calibration p3 data */
|
||
|
|
int16_t dig_p3;
|
||
|
|
|
||
|
|
/*! Calibration p4 data */
|
||
|
|
int16_t dig_p4;
|
||
|
|
|
||
|
|
/*! Calibration p5 data */
|
||
|
|
int16_t dig_p5;
|
||
|
|
|
||
|
|
/*! Calibration p6 data */
|
||
|
|
int16_t dig_p6;
|
||
|
|
|
||
|
|
/*! Calibration p7 data */
|
||
|
|
int16_t dig_p7;
|
||
|
|
|
||
|
|
/*! Calibration p8 data */
|
||
|
|
int16_t dig_p8;
|
||
|
|
|
||
|
|
/*! Calibration p9 data */
|
||
|
|
int16_t dig_p9;
|
||
|
|
|
||
|
|
/*! Calibration p10 data */
|
||
|
|
int8_t dig_p10;
|
||
|
|
|
||
|
|
/*! Fine resolution temperature value */
|
||
|
|
int32_t t_fine;
|
||
|
|
};
|
||
|
|
|
||
|
|
/*!
|
||
|
|
* @brief Sensor configuration structure
|
||
|
|
*/
|
||
|
|
struct bmp2_config
|
||
|
|
{
|
||
|
|
/*! Over-sampling of temperature data */
|
||
|
|
uint8_t os_temp;
|
||
|
|
|
||
|
|
/*! Over-sampling of pressure data */
|
||
|
|
uint8_t os_pres;
|
||
|
|
|
||
|
|
/*! Odr set by setting standby duration */
|
||
|
|
uint8_t odr;
|
||
|
|
|
||
|
|
/*! Over-sampling mode */
|
||
|
|
uint8_t os_mode;
|
||
|
|
|
||
|
|
/*! Time constant of IIR filter */
|
||
|
|
uint8_t filter;
|
||
|
|
|
||
|
|
/*! Enable 3-wire SPI interface */
|
||
|
|
uint8_t spi3w_en;
|
||
|
|
};
|
||
|
|
|
||
|
|
/*!
|
||
|
|
* @brief Sensor status structure
|
||
|
|
*/
|
||
|
|
struct bmp2_status
|
||
|
|
{
|
||
|
|
/*! Data registers' status */
|
||
|
|
uint8_t measuring;
|
||
|
|
|
||
|
|
/*! Image register status */
|
||
|
|
uint8_t im_update;
|
||
|
|
};
|
||
|
|
|
||
|
|
/*!
|
||
|
|
* @brief Uncompensated data structure
|
||
|
|
*/
|
||
|
|
struct bmp2_uncomp_data
|
||
|
|
{
|
||
|
|
/*! Uncompensated temperature data */
|
||
|
|
int32_t temperature;
|
||
|
|
|
||
|
|
/*! Uncompensated pressure data */
|
||
|
|
uint32_t pressure;
|
||
|
|
};
|
||
|
|
|
||
|
|
/*!
|
||
|
|
* @brief bmp2 sensor structure which comprises of temperature and pressure
|
||
|
|
*/
|
||
|
|
#ifdef BMP2_DOUBLE_COMPENSATION
|
||
|
|
struct bmp2_data
|
||
|
|
{
|
||
|
|
/*! Compensated pressure */
|
||
|
|
double pressure;
|
||
|
|
|
||
|
|
/*! Compensated temperature */
|
||
|
|
double temperature;
|
||
|
|
};
|
||
|
|
#else
|
||
|
|
struct bmp2_data
|
||
|
|
{
|
||
|
|
/*! Compensated pressure */
|
||
|
|
uint32_t pressure;
|
||
|
|
|
||
|
|
/*! Compensated temperature */
|
||
|
|
int32_t temperature;
|
||
|
|
};
|
||
|
|
#endif
|
||
|
|
|
||
|
|
/*!
|
||
|
|
* @brief API device structure
|
||
|
|
*/
|
||
|
|
struct bmp2_dev
|
||
|
|
{
|
||
|
|
/*! Chip Id */
|
||
|
|
uint8_t chip_id;
|
||
|
|
|
||
|
|
/*! SPI/I2C Interface selection */
|
||
|
|
enum bmp2_intf intf;
|
||
|
|
|
||
|
|
/*!
|
||
|
|
* The interface pointer is used to enable the user
|
||
|
|
* to link their interface descriptors for reference during the
|
||
|
|
* implementation of the read and write interfaces to the
|
||
|
|
* hardware.
|
||
|
|
*/
|
||
|
|
void *intf_ptr;
|
||
|
|
|
||
|
|
/*! Variable that holds result of read/write function */
|
||
|
|
BMP2_INTF_RET_TYPE intf_rslt;
|
||
|
|
|
||
|
|
/*! Bus read function pointer */
|
||
|
|
bmp2_read_fptr_t read;
|
||
|
|
|
||
|
|
/*! Bus write function pointer */
|
||
|
|
bmp2_write_fptr_t write;
|
||
|
|
|
||
|
|
/*! Delay(in us) function pointer */
|
||
|
|
bmp2_delay_us_fptr_t delay_us;
|
||
|
|
|
||
|
|
/*! Powermode of the sensor */
|
||
|
|
uint8_t power_mode;
|
||
|
|
|
||
|
|
/*! Structure of calibration parameters' */
|
||
|
|
struct bmp2_calib_param calib_param;
|
||
|
|
};
|
||
|
|
|
||
|
|
#ifdef __cplusplus
|
||
|
|
}
|
||
|
|
#endif /* End of CPP guard */
|
||
|
|
|
||
|
|
#endif /* _BMP2_DEFS_H */
|