-/**
- * Copyright (C) 2016 - 2017 Bosch Sensortec GmbH
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions are met:
- *
- * Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- *
- * 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.
- *
- * Neither the name of the copyright holder nor the names of the
- * contributors may be used to endorse or promote products derived from
- * this software without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS 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 COPYRIGHT HOLDER
- * 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
- *
- * The information provided is believed to be accurate and reliable.
- * The copyright holder assumes no responsibility
- * for the consequences of use
- * of such information nor for any infringement of patents or
- * other rights of third parties which may result from its use.
- * No license is granted by implication or otherwise under any patent or
- * patent rights of the copyright holder.
- *
- * @file bme280_defs.h
- * @date 07 Nov 2017
- * @version 3.3.1
- * @brief
- *
- */
-
-/*! @file bme280_defs.h
- @brief Sensor driver for BME280 sensor */
-/*!
- * @defgroup BME280 SENSOR API
- * @brief
- * @{*/
-#ifndef BME280_DEFS_H_
-#define BME280_DEFS_H_
-
-/********************************************************/
-/* header includes */
-#ifdef __KERNEL__
-#include <linux/types.h>
-#else
-#include <stdint.h>
-#include <stdio.h>
-#endif
-
-#ifdef __KERNEL__
-#if (LONG_MAX) > 0x7fffffff
-#define __have_long64 1
-#elif (LONG_MAX) == 0x7fffffff
-#define __have_long32 1
-#endif
-
-#if !defined(UINT8_C)
-#define INT8_C(x) x
-#if (INT_MAX) > 0x7f
-#define UINT8_C(x) x
-#else
-#define UINT8_C(x) x##U
-#endif
-#endif
-
-#if !defined(UINT16_C)
-#define INT16_C(x) x
-#if (INT_MAX) > 0x7fff
-#define UINT16_C(x) x
-#else
-#define UINT16_C(x) x##U
-#endif
-#endif
-
-#if !defined(INT32_C) && !defined(UINT32_C)
-#if __have_long32
-#define INT32_C(x) x##L
-#define UINT32_C(x) x##UL
-#else
-#define INT32_C(x) x
-#define UINT32_C(x) x##U
-#endif
-#endif
-
-#if !defined(INT64_C) && !defined(UINT64_C)
-#if __have_long64
-#define INT64_C(x) x##L
-#define UINT64_C(x) x##UL
-#else
-#define INT64_C(x) x##LL
-#define UINT64_C(x) x##ULL
-#endif
-#endif
-#endif
-/**@}*/
-
-/**\name C standard macros */
-#ifndef NULL
-#ifdef __cplusplus
-#define NULL 0
-#else
-#define NULL ((void *) 0)
-#endif
-#endif
-
-#ifndef BME280_FLOAT_ENABLE
-/* #define BME280_FLOAT_ENABLE */
-#endif
-
-#ifndef BME280_FLOAT_ENABLE
-#ifndef BME280_64BIT_ENABLE
-#define BME280_64BIT_ENABLE
-#endif
-#endif
-
-#ifndef TRUE
-#define TRUE UINT8_C(1)
-#endif
-#ifndef FALSE
-#define FALSE UINT8_C(0)
-#endif
-
-/**\name I2C addresses */
-#define BME280_I2C_ADDR_PRIM UINT8_C(0x76)
-#define BME280_I2C_ADDR_SEC UINT8_C(0x77)
-
-/**\name BME280 chip identifier */
-#define BME280_CHIP_ID UINT8_C(0x60)
-
-/**\name Register Address */
-#define BME280_CHIP_ID_ADDR UINT8_C(0xD0)
-#define BME280_RESET_ADDR UINT8_C(0xE0)
-#define BME280_TEMP_PRESS_CALIB_DATA_ADDR UINT8_C(0x88)
-#define BME280_HUMIDITY_CALIB_DATA_ADDR UINT8_C(0xE1)
-#define BME280_PWR_CTRL_ADDR UINT8_C(0xF4)
-#define BME280_CTRL_HUM_ADDR UINT8_C(0xF2)
-#define BME280_CTRL_MEAS_ADDR UINT8_C(0xF4)
-#define BME280_CONFIG_ADDR UINT8_C(0xF5)
-#define BME280_DATA_ADDR UINT8_C(0xF7)
-
-/**\name API success code */
-#define BME280_OK INT8_C(0)
-/**\name API error codes */
-#define BME280_E_NULL_PTR INT8_C(-1)
-#define BME280_E_DEV_NOT_FOUND INT8_C(-2)
-#define BME280_E_INVALID_LEN INT8_C(-3)
-#define BME280_E_COMM_FAIL INT8_C(-4)
-#define BME280_E_SLEEP_MODE_FAIL INT8_C(-5)
-/**\name API warning codes */
-#define BME280_W_INVALID_OSR_MACRO UINT8_C(1)
-
-/**\name Macros related to size */
-#define BME280_TEMP_PRESS_CALIB_DATA_LEN UINT8_C(26)
-#define BME280_HUMIDITY_CALIB_DATA_LEN UINT8_C(7)
-#define BME280_P_T_H_DATA_LEN UINT8_C(8)
-
-/**\name Sensor power modes */
-#define BME280_SLEEP_MODE UINT8_C(0x00)
-#define BME280_FORCED_MODE UINT8_C(0x01)
-#define BME280_NORMAL_MODE UINT8_C(0x03)
-
-/**\name Macro to combine two 8 bit data's to form a 16 bit data */
-#define BME280_CONCAT_BYTES(msb, lsb) (((uint16_t)msb << 8) | (uint16_t)lsb)
-
-#define BME280_SET_BITS(reg_data, bitname, data) \
- ((reg_data & ~(bitname##_MSK)) | \
- ((data << bitname##_POS) & bitname##_MSK))
-#define BME280_SET_BITS_POS_0(reg_data, bitname, data) \
- ((reg_data & ~(bitname##_MSK)) | \
- (data & bitname##_MSK))
-
-#define BME280_GET_BITS(reg_data, bitname) ((reg_data & (bitname##_MSK)) >> \
- (bitname##_POS))
-#define BME280_GET_BITS_POS_0(reg_data, bitname) (reg_data & (bitname##_MSK))
-
-/**\name Macros for bit masking */
-#define BME280_SENSOR_MODE_MSK UINT8_C(0x03)
-#define BME280_SENSOR_MODE_POS UINT8_C(0x00)
-
-#define BME280_CTRL_HUM_MSK UINT8_C(0x07)
-#define BME280_CTRL_HUM_POS UINT8_C(0x00)
-
-#define BME280_CTRL_PRESS_MSK UINT8_C(0x1C)
-#define BME280_CTRL_PRESS_POS UINT8_C(0x02)
-
-#define BME280_CTRL_TEMP_MSK UINT8_C(0xE0)
-#define BME280_CTRL_TEMP_POS UINT8_C(0x05)
-
-#define BME280_FILTER_MSK UINT8_C(0x1C)
-#define BME280_FILTER_POS UINT8_C(0x02)
-
-#define BME280_STANDBY_MSK UINT8_C(0xE0)
-#define BME280_STANDBY_POS UINT8_C(0x05)
-
-/**\name Sensor component selection macros
- These values are internal for API implementation. Don't relate this to
- data sheet.*/
-#define BME280_PRESS UINT8_C(1)
-#define BME280_TEMP UINT8_C(1 << 1)
-#define BME280_HUM UINT8_C(1 << 2)
-#define BME280_ALL UINT8_C(0x07)
-
-/**\name Settings selection macros */
-#define BME280_OSR_PRESS_SEL UINT8_C(1)
-#define BME280_OSR_TEMP_SEL UINT8_C(1 << 1)
-#define BME280_OSR_HUM_SEL UINT8_C(1 << 2)
-#define BME280_FILTER_SEL UINT8_C(1 << 3)
-#define BME280_STANDBY_SEL UINT8_C(1 << 4)
-#define BME280_ALL_SETTINGS_SEL UINT8_C(0x1F)
-
-/**\name Oversampling macros */
-#define BME280_NO_OVERSAMPLING UINT8_C(0x00)
-#define BME280_OVERSAMPLING_1X UINT8_C(0x01)
-#define BME280_OVERSAMPLING_2X UINT8_C(0x02)
-#define BME280_OVERSAMPLING_4X UINT8_C(0x03)
-#define BME280_OVERSAMPLING_8X UINT8_C(0x04)
-#define BME280_OVERSAMPLING_16X UINT8_C(0x05)
-
-/**\name Standby duration selection macros */
-#define BME280_STANDBY_TIME_1_MS (0x00)
-#define BME280_STANDBY_TIME_62_5_MS (0x01)
-#define BME280_STANDBY_TIME_125_MS (0x02)
-#define BME280_STANDBY_TIME_250_MS (0x03)
-#define BME280_STANDBY_TIME_500_MS (0x04)
-#define BME280_STANDBY_TIME_1000_MS (0x05)
-#define BME280_STANDBY_TIME_10_MS (0x06)
-#define BME280_STANDBY_TIME_20_MS (0x07)
-
-/**\name Filter coefficient selection macros */
-#define BME280_FILTER_COEFF_OFF (0x00)
-#define BME280_FILTER_COEFF_2 (0x01)
-#define BME280_FILTER_COEFF_4 (0x02)
-#define BME280_FILTER_COEFF_8 (0x03)
-#define BME280_FILTER_COEFF_16 (0x04)
-
-/*!
- * @brief Interface selection Enums
- */
-enum bme280_intf {
- /*! SPI interface */
- BME280_SPI_INTF,
- /*! I2C interface */
- BME280_I2C_INTF
-};
-
-/*!
- * @brief Type definitions
- */
-typedef int8_t (*bme280_com_fptr_t)(uint8_t dev_id, uint8_t reg_addr,
- uint8_t *data, uint16_t len);
-
-typedef void (*bme280_delay_fptr_t)(uint32_t period);
-
-/*!
- * @brief Calibration data
- */
-struct bme280_calib_data {
- /**
- * @ Trim Variables
- */
-/**@{*/
- uint16_t dig_T1;
- int16_t dig_T2;
- int16_t dig_T3;
- uint16_t dig_P1;
- int16_t dig_P2;
- int16_t dig_P3;
- int16_t dig_P4;
- int16_t dig_P5;
- int16_t dig_P6;
- int16_t dig_P7;
- int16_t dig_P8;
- int16_t dig_P9;
- uint8_t dig_H1;
- int16_t dig_H2;
- uint8_t dig_H3;
- int16_t dig_H4;
- int16_t dig_H5;
- int8_t dig_H6;
- int32_t t_fine;
-/**@}*/
-};
-
-/*!
- * @brief bme280 sensor structure which comprises of temperature, pressure and
- * humidity data
- */
-#ifdef BME280_FLOAT_ENABLE
-struct bme280_data {
- /*! Compensated pressure */
- double pressure;
- /*! Compensated temperature */
- double temperature;
- /*! Compensated humidity */
- double humidity;
-};
-#else
-struct bme280_data {
- /*! Compensated pressure */
- uint32_t pressure;
- /*! Compensated temperature */
- int32_t temperature;
- /*! Compensated humidity */
- uint32_t humidity;
-};
-#endif /* BME280_USE_FLOATING_POINT */
-
-/*!
- * @brief bme280 sensor structure which comprises of uncompensated temperature,
- * pressure and humidity data
- */
-struct bme280_uncomp_data {
- /*! un-compensated pressure */
- uint32_t pressure;
- /*! un-compensated temperature */
- uint32_t temperature;
- /*! un-compensated humidity */
- uint32_t humidity;
-};
-
-/*!
- * @brief bme280 sensor settings structure which comprises of mode,
- * oversampling and filter settings.
- */
-struct bme280_settings {
- /*! pressure oversampling */
- uint8_t osr_p;
- /*! temperature oversampling */
- uint8_t osr_t;
- /*! humidity oversampling */
- uint8_t osr_h;
- /*! filter coefficient */
- uint8_t filter;
- /*! standby time */
- uint8_t standby_time;
-};
-
-/*!
- * @brief bme280 device structure
- */
-struct bme280_dev {
- /*! Chip Id */
- uint8_t chip_id;
- /*! Device Id */
- uint8_t dev_id;
- /*! SPI/I2C interface */
- enum bme280_intf intf;
- /*! Read function pointer */
- bme280_com_fptr_t read;
- /*! Write function pointer */
- bme280_com_fptr_t write;
- /*! Delay function pointer */
- bme280_delay_fptr_t delay_ms;
- /*! Trim data */
- struct bme280_calib_data calib_data;
- /*! Sensor settings */
- struct bme280_settings settings;
-};
-
-#endif /* BME280_DEFS_H_ */
-/** @}*/
-/** @}*/
+/**\r
+* Copyright (c) 2020 Bosch Sensortec GmbH. All rights reserved.\r
+*\r
+* BSD-3-Clause\r
+*\r
+* Redistribution and use in source and binary forms, with or without\r
+* modification, are permitted provided that the following conditions are met:\r
+*\r
+* 1. Redistributions of source code must retain the above copyright\r
+* notice, this list of conditions and the following disclaimer.\r
+*\r
+* 2. Redistributions in binary form must reproduce the above copyright\r
+* notice, this list of conditions and the following disclaimer in the\r
+* documentation and/or other materials provided with the distribution.\r
+*\r
+* 3. Neither the name of the copyright holder nor the names of its\r
+* contributors may be used to endorse or promote products derived from\r
+* this software without specific prior written permission.\r
+*\r
+* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS\r
+* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT\r
+* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS\r
+* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE\r
+* COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,\r
+* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES\r
+* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR\r
+* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)\r
+* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,\r
+* STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING\r
+* IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE\r
+* POSSIBILITY OF SUCH DAMAGE.\r
+*\r
+* @file bme280_defs.h\r
+* @date 2020-03-28\r
+* @version v3.5.0\r
+*\r
+*/\r
+\r
+#ifndef BME280_DEFS_H_\r
+#define BME280_DEFS_H_\r
+\r
+/********************************************************/\r
+/* header includes */\r
+#ifdef __KERNEL__\r
+#include <linux/types.h>\r
+#include <linux/kernel.h>\r
+#else\r
+#include <stdint.h>\r
+#include <stddef.h>\r
+#endif\r
+\r
+/********************************************************/\r
+/*! @name Common macros */\r
+/********************************************************/\r
+\r
+#if !defined(UINT8_C) && !defined(INT8_C)\r
+#define INT8_C(x) S8_C(x)\r
+#define UINT8_C(x) U8_C(x)\r
+#endif\r
+\r
+#if !defined(UINT16_C) && !defined(INT16_C)\r
+#define INT16_C(x) S16_C(x)\r
+#define UINT16_C(x) U16_C(x)\r
+#endif\r
+\r
+#if !defined(INT32_C) && !defined(UINT32_C)\r
+#define INT32_C(x) S32_C(x)\r
+#define UINT32_C(x) U32_C(x)\r
+#endif\r
+\r
+#if !defined(INT64_C) && !defined(UINT64_C)\r
+#define INT64_C(x) S64_C(x)\r
+#define UINT64_C(x) U64_C(x)\r
+#endif\r
+\r
+/**@}*/\r
+/**\name C standard macros */\r
+#ifndef NULL\r
+#ifdef __cplusplus\r
+#define NULL 0\r
+#else\r
+#define NULL ((void *) 0)\r
+#endif\r
+#endif\r
+\r
+/********************************************************/\r
+\r
+#ifndef BME280_64BIT_ENABLE /*< Check if 64-bit integer (using BME280_64BIT_ENABLE) is enabled */\r
+#ifndef BME280_32BIT_ENABLE /*< Check if 32-bit integer (using BME280_32BIT_ENABLE) is enabled */\r
+#ifndef BME280_FLOAT_ENABLE /*< If any of the integer data types not enabled then enable BME280_FLOAT_ENABLE */\r
+#define BME280_FLOAT_ENABLE\r
+#endif\r
+#endif\r
+#endif\r
+\r
+#ifndef TRUE\r
+#define TRUE UINT8_C(1)\r
+#endif\r
+#ifndef FALSE\r
+#define FALSE UINT8_C(0)\r
+#endif\r
+\r
+/**\r
+ * BME280_INTF_RET_TYPE is the read/write interface return type which can be overwritten by the build system.\r
+ */\r
+#ifndef BME280_INTF_RET_TYPE\r
+#define BME280_INTF_RET_TYPE int8_t\r
+#endif\r
+\r
+/**\r
+ * The last error code from read/write interface is stored in the device structure as intf_rslt.\r
+ */\r
+#ifndef BME280_INTF_RET_SUCCESS\r
+#define BME280_INTF_RET_SUCCESS INT8_C(0)\r
+#endif\r
+\r
+/**\name I2C addresses */\r
+#define BME280_I2C_ADDR_PRIM UINT8_C(0x76)\r
+#define BME280_I2C_ADDR_SEC UINT8_C(0x77)\r
+\r
+/**\name BME280 chip identifier */\r
+#define BME280_CHIP_ID UINT8_C(0x60)\r
+\r
+/**\name Register Address */\r
+#define BME280_CHIP_ID_ADDR UINT8_C(0xD0)\r
+#define BME280_RESET_ADDR UINT8_C(0xE0)\r
+#define BME280_TEMP_PRESS_CALIB_DATA_ADDR UINT8_C(0x88)\r
+#define BME280_HUMIDITY_CALIB_DATA_ADDR UINT8_C(0xE1)\r
+#define BME280_PWR_CTRL_ADDR UINT8_C(0xF4)\r
+#define BME280_CTRL_HUM_ADDR UINT8_C(0xF2)\r
+#define BME280_CTRL_MEAS_ADDR UINT8_C(0xF4)\r
+#define BME280_CONFIG_ADDR UINT8_C(0xF5)\r
+#define BME280_DATA_ADDR UINT8_C(0xF7)\r
+\r
+/**\name API success code */\r
+#define BME280_OK INT8_C(0)\r
+\r
+/**\name API error codes */\r
+#define BME280_E_NULL_PTR INT8_C(-1)\r
+#define BME280_E_DEV_NOT_FOUND INT8_C(-2)\r
+#define BME280_E_INVALID_LEN INT8_C(-3)\r
+#define BME280_E_COMM_FAIL INT8_C(-4)\r
+#define BME280_E_SLEEP_MODE_FAIL INT8_C(-5)\r
+#define BME280_E_NVM_COPY_FAILED INT8_C(-6)\r
+\r
+/**\name API warning codes */\r
+#define BME280_W_INVALID_OSR_MACRO INT8_C(1)\r
+\r
+/**\name Macros related to size */\r
+#define BME280_TEMP_PRESS_CALIB_DATA_LEN UINT8_C(26)\r
+#define BME280_HUMIDITY_CALIB_DATA_LEN UINT8_C(7)\r
+#define BME280_P_T_H_DATA_LEN UINT8_C(8)\r
+\r
+/**\name Sensor power modes */\r
+#define BME280_SLEEP_MODE UINT8_C(0x00)\r
+#define BME280_FORCED_MODE UINT8_C(0x01)\r
+#define BME280_NORMAL_MODE UINT8_C(0x03)\r
+\r
+/**\name Macro to combine two 8 bit data's to form a 16 bit data */\r
+#define BME280_CONCAT_BYTES(msb, lsb) (((uint16_t)msb << 8) | (uint16_t)lsb)\r
+\r
+#define BME280_SET_BITS(reg_data, bitname, data) \\r
+ ((reg_data & ~(bitname##_MSK)) | \\r
+ ((data << bitname##_POS) & bitname##_MSK))\r
+#define BME280_SET_BITS_POS_0(reg_data, bitname, data) \\r
+ ((reg_data & ~(bitname##_MSK)) | \\r
+ (data & bitname##_MSK))\r
+\r
+#define BME280_GET_BITS(reg_data, bitname) ((reg_data & (bitname##_MSK)) >> \\r
+ (bitname##_POS))\r
+#define BME280_GET_BITS_POS_0(reg_data, bitname) (reg_data & (bitname##_MSK))\r
+\r
+/**\name Macros for bit masking */\r
+#define BME280_SENSOR_MODE_MSK UINT8_C(0x03)\r
+#define BME280_SENSOR_MODE_POS UINT8_C(0x00)\r
+\r
+#define BME280_CTRL_HUM_MSK UINT8_C(0x07)\r
+#define BME280_CTRL_HUM_POS UINT8_C(0x00)\r
+\r
+#define BME280_CTRL_PRESS_MSK UINT8_C(0x1C)\r
+#define BME280_CTRL_PRESS_POS UINT8_C(0x02)\r
+\r
+#define BME280_CTRL_TEMP_MSK UINT8_C(0xE0)\r
+#define BME280_CTRL_TEMP_POS UINT8_C(0x05)\r
+\r
+#define BME280_FILTER_MSK UINT8_C(0x1C)\r
+#define BME280_FILTER_POS UINT8_C(0x02)\r
+\r
+#define BME280_STANDBY_MSK UINT8_C(0xE0)\r
+#define BME280_STANDBY_POS UINT8_C(0x05)\r
+\r
+/**\name Sensor component selection macros\r
+ * These values are internal for API implementation. Don't relate this to\r
+ * data sheet.\r
+ */\r
+#define BME280_PRESS UINT8_C(1)\r
+#define BME280_TEMP UINT8_C(1 << 1)\r
+#define BME280_HUM UINT8_C(1 << 2)\r
+#define BME280_ALL UINT8_C(0x07)\r
+\r
+/**\name Settings selection macros */\r
+#define BME280_OSR_PRESS_SEL UINT8_C(1)\r
+#define BME280_OSR_TEMP_SEL UINT8_C(1 << 1)\r
+#define BME280_OSR_HUM_SEL UINT8_C(1 << 2)\r
+#define BME280_FILTER_SEL UINT8_C(1 << 3)\r
+#define BME280_STANDBY_SEL UINT8_C(1 << 4)\r
+#define BME280_ALL_SETTINGS_SEL UINT8_C(0x1F)\r
+\r
+/**\name Oversampling macros */\r
+#define BME280_NO_OVERSAMPLING UINT8_C(0x00)\r
+#define BME280_OVERSAMPLING_1X UINT8_C(0x01)\r
+#define BME280_OVERSAMPLING_2X UINT8_C(0x02)\r
+#define BME280_OVERSAMPLING_4X UINT8_C(0x03)\r
+#define BME280_OVERSAMPLING_8X UINT8_C(0x04)\r
+#define BME280_OVERSAMPLING_16X UINT8_C(0x05)\r
+\r
+/**\name Measurement delay calculation macros */\r
+#define BME280_MEAS_OFFSET UINT16_C(1250)\r
+#define BME280_MEAS_DUR UINT16_C(2300)\r
+#define BME280_PRES_HUM_MEAS_OFFSET UINT16_C(575)\r
+#define BME280_MEAS_SCALING_FACTOR UINT16_C(1000)\r
+\r
+/**\name Standby duration selection macros */\r
+#define BME280_STANDBY_TIME_0_5_MS (0x00)\r
+#define BME280_STANDBY_TIME_62_5_MS (0x01)\r
+#define BME280_STANDBY_TIME_125_MS (0x02)\r
+#define BME280_STANDBY_TIME_250_MS (0x03)\r
+#define BME280_STANDBY_TIME_500_MS (0x04)\r
+#define BME280_STANDBY_TIME_1000_MS (0x05)\r
+#define BME280_STANDBY_TIME_10_MS (0x06)\r
+#define BME280_STANDBY_TIME_20_MS (0x07)\r
+\r
+/**\name Filter coefficient selection macros */\r
+#define BME280_FILTER_COEFF_OFF (0x00)\r
+#define BME280_FILTER_COEFF_2 (0x01)\r
+#define BME280_FILTER_COEFF_4 (0x02)\r
+#define BME280_FILTER_COEFF_8 (0x03)\r
+#define BME280_FILTER_COEFF_16 (0x04)\r
+\r
+#define BME280_STATUS_REG_ADDR (0xF3)\r
+#define BME280_SOFT_RESET_COMMAND (0xB6)\r
+#define BME280_STATUS_IM_UPDATE (0x01)\r
+\r
+/*!\r
+ * @brief Interface selection Enums\r
+ */\r
+enum bme280_intf {\r
+ /*< SPI interface */\r
+ BME280_SPI_INTF,\r
+ /*< I2C interface */\r
+ BME280_I2C_INTF\r
+};\r
+\r
+/*!\r
+ * @brief Type definitions\r
+ */\r
+\r
+/*!\r
+ * @brief Bus communication function pointer which should be mapped to\r
+ * the platform specific read functions of the user\r
+ *\r
+ * @param[in] reg_addr : Register address from which data is read.\r
+ * @param[out] reg_data : Pointer to data buffer where read data is stored.\r
+ * @param[in] len : Number of bytes of data to be read.\r
+ * @param[in, out] intf_ptr : Void pointer that can enable the linking of descriptors\r
+ * for interface related call backs.\r
+ *\r
+ * @retval 0 -> Success.\r
+ * @retval Non zero value -> Fail.\r
+ *\r
+ */\r
+typedef BME280_INTF_RET_TYPE (*bme280_read_fptr_t)(uint8_t reg_addr, uint8_t *reg_data, uint32_t len, void *intf_ptr);\r
+\r
+/*!\r
+ * @brief Bus communication function pointer which should be mapped to\r
+ * the platform specific write functions of the user\r
+ *\r
+ * @param[in] reg_addr : Register address to which the data is written.\r
+ * @param[in] reg_data : Pointer to data buffer in which data to be written\r
+ * is stored.\r
+ * @param[in] len : Number of bytes of data to be written.\r
+ * @param[in, out] intf_ptr : Void pointer that can enable the linking of descriptors\r
+ * for interface related call backs\r
+ *\r
+ * @retval 0 -> Success.\r
+ * @retval Non zero value -> Fail.\r
+ *\r
+ */\r
+typedef BME280_INTF_RET_TYPE (*bme280_write_fptr_t)(uint8_t reg_addr, const uint8_t *reg_data, uint32_t len,\r
+ void *intf_ptr);\r
+\r
+/*!\r
+ * @brief Delay function pointer which should be mapped to\r
+ * delay function of the user\r
+ *\r
+ * @param[in] period : Delay in microseconds.\r
+ * @param[in, out] intf_ptr : Void pointer that can enable the linking of descriptors\r
+ * for interface related call backs\r
+ *\r
+ */\r
+typedef void (*bme280_delay_us_fptr_t)(uint32_t period, void *intf_ptr);\r
+\r
+/*!\r
+ * @brief Calibration data\r
+ */\r
+struct bme280_calib_data\r
+{\r
+ /*< Calibration coefficient for the temperature sensor */\r
+ uint16_t dig_t1;\r
+\r
+ /*< Calibration coefficient for the temperature sensor */\r
+ int16_t dig_t2;\r
+\r
+ /*< Calibration coefficient for the temperature sensor */\r
+ int16_t dig_t3;\r
+\r
+ /*< Calibration coefficient for the pressure sensor */\r
+ uint16_t dig_p1;\r
+\r
+ /*< Calibration coefficient for the pressure sensor */\r
+ int16_t dig_p2;\r
+\r
+ /*< Calibration coefficient for the pressure sensor */\r
+ int16_t dig_p3;\r
+\r
+ /*< Calibration coefficient for the pressure sensor */\r
+ int16_t dig_p4;\r
+\r
+ /*< Calibration coefficient for the pressure sensor */\r
+ int16_t dig_p5;\r
+\r
+ /*< Calibration coefficient for the pressure sensor */\r
+ int16_t dig_p6;\r
+\r
+ /*< Calibration coefficient for the pressure sensor */\r
+ int16_t dig_p7;\r
+\r
+ /*< Calibration coefficient for the pressure sensor */\r
+ int16_t dig_p8;\r
+\r
+ /*< Calibration coefficient for the pressure sensor */\r
+ int16_t dig_p9;\r
+\r
+ /*< Calibration coefficient for the humidity sensor */\r
+ uint8_t dig_h1;\r
+\r
+ /*< Calibration coefficient for the humidity sensor */\r
+ int16_t dig_h2;\r
+\r
+ /*< Calibration coefficient for the humidity sensor */\r
+ uint8_t dig_h3;\r
+\r
+ /*< Calibration coefficient for the humidity sensor */\r
+ int16_t dig_h4;\r
+\r
+ /*< Calibration coefficient for the humidity sensor */\r
+ int16_t dig_h5;\r
+\r
+ /*< Calibration coefficient for the humidity sensor */\r
+ int8_t dig_h6;\r
+\r
+ /*< Variable to store the intermediate temperature coefficient */\r
+ int32_t t_fine;\r
+};\r
+\r
+/*!\r
+ * @brief bme280 sensor structure which comprises of temperature, pressure and\r
+ * humidity data\r
+ */\r
+#ifdef BME280_FLOAT_ENABLE\r
+struct bme280_data\r
+{\r
+ /*< Compensated pressure */\r
+ double pressure;\r
+\r
+ /*< Compensated temperature */\r
+ double temperature;\r
+\r
+ /*< Compensated humidity */\r
+ double humidity;\r
+};\r
+#else\r
+struct bme280_data\r
+{\r
+ /*< Compensated pressure */\r
+ uint32_t pressure;\r
+\r
+ /*< Compensated temperature */\r
+ int32_t temperature;\r
+\r
+ /*< Compensated humidity */\r
+ uint32_t humidity;\r
+};\r
+#endif /*! BME280_USE_FLOATING_POINT */\r
+\r
+/*!\r
+ * @brief bme280 sensor structure which comprises of uncompensated temperature,\r
+ * pressure and humidity data\r
+ */\r
+struct bme280_uncomp_data\r
+{\r
+ /*< un-compensated pressure */\r
+ uint32_t pressure;\r
+\r
+ /*< un-compensated temperature */\r
+ uint32_t temperature;\r
+\r
+ /*< un-compensated humidity */\r
+ uint32_t humidity;\r
+};\r
+\r
+/*!\r
+ * @brief bme280 sensor settings structure which comprises of mode,\r
+ * oversampling and filter settings.\r
+ */\r
+struct bme280_settings\r
+{\r
+ /*< pressure oversampling */\r
+ uint8_t osr_p;\r
+\r
+ /*< temperature oversampling */\r
+ uint8_t osr_t;\r
+\r
+ /*< humidity oversampling */\r
+ uint8_t osr_h;\r
+\r
+ /*< filter coefficient */\r
+ uint8_t filter;\r
+\r
+ /*< standby time */\r
+ uint8_t standby_time;\r
+};\r
+\r
+/*!\r
+ * @brief bme280 device structure\r
+ */\r
+struct bme280_dev\r
+{\r
+ /*< Chip Id */\r
+ uint8_t chip_id;\r
+\r
+ /*< Interface function pointer used to enable the device address for I2C and chip selection for SPI */\r
+ void *intf_ptr;\r
+\r
+ /*< Interface Selection\r
+ * For SPI, intf = BME280_SPI_INTF\r
+ * For I2C, intf = BME280_I2C_INTF\r
+ * */\r
+ enum bme280_intf intf;\r
+\r
+ /*< Read function pointer */\r
+ bme280_read_fptr_t read;\r
+\r
+ /*< Write function pointer */\r
+ bme280_write_fptr_t write;\r
+\r
+ /*< Delay function pointer */\r
+ bme280_delay_us_fptr_t delay_us;\r
+\r
+ /*< Trim data */\r
+ struct bme280_calib_data calib_data;\r
+\r
+ /*< Sensor settings */\r
+ struct bme280_settings settings;\r
+\r
+ /*< Variable to store result of read/write function */\r
+ BME280_INTF_RET_TYPE intf_rslt;\r
+};\r
+\r
+#endif /* BME280_DEFS_H_ */\r