708 lines
24 KiB
C
708 lines
24 KiB
C
|
/*
|
|||
|
|
ChibiOS - Copyright (C) 2016..2018 Rocco Marco Guglielmi
|
|||
|
|
|
|||
|
|
This file is part of ChibiOS.
|
|||
|
|
|
|||
|
|
ChibiOS is free software; you can redistribute it and/or modify
|
|||
|
|
it under the terms of the GNU General Public License as published by
|
|||
|
|
the Free Software Foundation; either version 3 of the License, or
|
|||
|
|
(at your option) any later version.
|
|||
|
|
|
|||
|
|
ChibiOS is distributed in the hope that it will be useful,
|
|||
|
|
but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|||
|
|
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|||
|
|
GNU General Public License for more details.
|
|||
|
|
|
|||
|
|
You should have received a copy of the GNU General Public License
|
|||
|
|
along with this program. If not, see <http://www.gnu.org/licenses/>.
|
|||
|
|
|
|||
|
|
*/
|
|||
|
|
|
|||
|
|
/**
|
|||
|
|
* @file hts221.h
|
|||
|
|
* @brief HTS221 MEMS interface module header.
|
|||
|
|
*
|
|||
|
|
*
|
|||
|
|
* @addtogroup HTS221
|
|||
|
|
* @ingroup EX_ST
|
|||
|
|
* @{
|
|||
|
|
*/
|
|||
|
|
#ifndef _HTS221_H_
|
|||
|
|
#define _HTS221_H_
|
|||
|
|
|
|||
|
|
#include "hal_hygrometer.h"
|
|||
|
|
#include "hal_thermometer.h"
|
|||
|
|
|
|||
|
|
/*===========================================================================*/
|
|||
|
|
/* Driver constants. */
|
|||
|
|
/*===========================================================================*/
|
|||
|
|
|
|||
|
|
/**
|
|||
|
|
* @name Version identification
|
|||
|
|
* @{
|
|||
|
|
*/
|
|||
|
|
/**
|
|||
|
|
* @brief HTS221 driver version string.
|
|||
|
|
*/
|
|||
|
|
#define EX_HTS221_VERSION "1.1.2"
|
|||
|
|
|
|||
|
|
/**
|
|||
|
|
* @brief HTS221 driver version major number.
|
|||
|
|
*/
|
|||
|
|
#define EX_HTS221_MAJOR 1
|
|||
|
|
|
|||
|
|
/**
|
|||
|
|
* @brief HTS221 driver version minor number.
|
|||
|
|
*/
|
|||
|
|
#define EX_HTS221_MINOR 1
|
|||
|
|
|
|||
|
|
/**
|
|||
|
|
* @brief HTS221 driver version patch number.
|
|||
|
|
*/
|
|||
|
|
#define EX_HTS221_PATCH 2
|
|||
|
|
/** @} */
|
|||
|
|
|
|||
|
|
/**
|
|||
|
|
* @brief HTS221 hygrometer subsystem characteristics.
|
|||
|
|
* @note Sensitivity is expressed as %rH/LSB whereas %rH stand for percentage
|
|||
|
|
* of relative humidity.
|
|||
|
|
* @note Bias is expressed as %rH.
|
|||
|
|
* @{
|
|||
|
|
*/
|
|||
|
|
#define HTS221_HYGRO_NUMBER_OF_AXES 1U
|
|||
|
|
|
|||
|
|
#define HTS221_HYGRO_SENS 0.00390625f
|
|||
|
|
#define HTS221_HYGRO_BIAS 0.0f
|
|||
|
|
/** @} */
|
|||
|
|
|
|||
|
|
/**
|
|||
|
|
* @brief HTS221 thermometer subsystem characteristics.
|
|||
|
|
* @note Sensitivity is expressed as <EFBFBD>C/LSB.
|
|||
|
|
* @note Bias is expressed as <EFBFBD>C.
|
|||
|
|
*
|
|||
|
|
* @{
|
|||
|
|
*/
|
|||
|
|
#define HTS221_THERMO_NUMBER_OF_AXES 1U
|
|||
|
|
|
|||
|
|
#define HTS221_THERMO_SENS 0.0015625f
|
|||
|
|
#define HTS221_THERMO_BIAS 0.0f
|
|||
|
|
/** @} */
|
|||
|
|
|
|||
|
|
/**
|
|||
|
|
* @name HTS221 communication interfaces related bit masks
|
|||
|
|
* @{
|
|||
|
|
*/
|
|||
|
|
#define HTS221_DI_MASK 0xFF
|
|||
|
|
#define HTS221_DI(n) (1 << n)
|
|||
|
|
#define HTS221_AD_MASK 0x3F
|
|||
|
|
#define HTS221_AD(n) (1 << n)
|
|||
|
|
#define HTS221_MS (1 << 6)
|
|||
|
|
#define HTS221_RW (1 << 7)
|
|||
|
|
|
|||
|
|
#define HTS221_SUB_MS (1 << 7)
|
|||
|
|
|
|||
|
|
#define HTS221_SAD 0x5F
|
|||
|
|
/** @} */
|
|||
|
|
|
|||
|
|
/**
|
|||
|
|
* @name HTS221 register addresses
|
|||
|
|
* @{
|
|||
|
|
*/
|
|||
|
|
#define HTS221_AD_WHO_AM_I 0x0F
|
|||
|
|
#define HTS221_AD_AV_CONF 0x10
|
|||
|
|
#define HTS221_AD_CTRL_REG1 0x20
|
|||
|
|
#define HTS221_AD_CTRL_REG2 0x21
|
|||
|
|
#define HTS221_AD_CTRL_REG3 0x22
|
|||
|
|
#define HTS221_AD_STATUS_REG 0x27
|
|||
|
|
#define HTS221_AD_HUMIDITY_OUT_L 0x28
|
|||
|
|
#define HTS221_AD_HUMIDITY_OUT_H 0x29
|
|||
|
|
#define HTS221_AD_TEMP_OUT_L 0x2A
|
|||
|
|
#define HTS221_AD_TEMP_OUT_H 0x2B
|
|||
|
|
#define HTS221_AD_CALIB_0 0x30
|
|||
|
|
#define HTS221_AD_CALIB_1 0x31
|
|||
|
|
#define HTS221_AD_CALIB_2 0x32
|
|||
|
|
#define HTS221_AD_CALIB_3 0x33
|
|||
|
|
#define HTS221_AD_CALIB_4 0x34
|
|||
|
|
#define HTS221_AD_CALIB_5 0x35
|
|||
|
|
#define HTS221_AD_CALIB_6 0x36
|
|||
|
|
#define HTS221_AD_CALIB_7 0x37
|
|||
|
|
#define HTS221_AD_CALIB_8 0x38
|
|||
|
|
#define HTS221_AD_CALIB_9 0x39
|
|||
|
|
#define HTS221_AD_CALIB_A 0x3A
|
|||
|
|
#define HTS221_AD_CALIB_B 0x3B
|
|||
|
|
#define HTS221_AD_CALIB_C 0x3C
|
|||
|
|
#define HTS221_AD_CALIB_D 0x3D
|
|||
|
|
#define HTS221_AD_CALIB_E 0x3E
|
|||
|
|
#define HTS221_AD_CALIB_F 0x3F
|
|||
|
|
/** @} */
|
|||
|
|
|
|||
|
|
/**
|
|||
|
|
* @name HTS221_CTRL_REG1 register bits definitions
|
|||
|
|
* @{
|
|||
|
|
*/
|
|||
|
|
#define HTS221_CTRL_REG1_MASK 0x87
|
|||
|
|
#define HTS221_CTRL_REG1_ODR0 (1 << 0)
|
|||
|
|
#define HTS221_CTRL_REG1_ODR1 (1 << 1)
|
|||
|
|
#define HTS221_CTRL_REG1_BDU (1 << 2)
|
|||
|
|
#define HTS221_CTRL_REG1_PD (1 << 7)
|
|||
|
|
/** @} */
|
|||
|
|
|
|||
|
|
/**
|
|||
|
|
* @name HTS221_CTRL_REG2 register bits definitions
|
|||
|
|
* @{
|
|||
|
|
*/
|
|||
|
|
#define HTS221_CTRL_REG2_MASK 0x83
|
|||
|
|
#define HTS221_CTRL_REG2_ONE_SHOT (1 << 0)
|
|||
|
|
#define HTS221_CTRL_REG2_HEATER (1 << 1)
|
|||
|
|
#define HTS221_CTRL_REG2_BOOT (1 << 7)
|
|||
|
|
/** @} */
|
|||
|
|
|
|||
|
|
/**
|
|||
|
|
* @name HTS221_CTRL_REG3 register bits definitions
|
|||
|
|
* @{
|
|||
|
|
*/
|
|||
|
|
#define HTS221_CTRL_REG3_MASK 0xC4
|
|||
|
|
#define HTS221_CTRL_REG3_DRDY (1 << 2)
|
|||
|
|
#define HTS221_CTRL_REG3_PP_OD (1 << 6)
|
|||
|
|
#define HTS221_CTRL_REG3_INT_H_L (1 << 7)
|
|||
|
|
/** @} */
|
|||
|
|
|
|||
|
|
/*===========================================================================*/
|
|||
|
|
/* Driver pre-compile time settings. */
|
|||
|
|
/*===========================================================================*/
|
|||
|
|
|
|||
|
|
/**
|
|||
|
|
* @name Configuration options
|
|||
|
|
* @{
|
|||
|
|
*/
|
|||
|
|
/**
|
|||
|
|
* @brief HTS221 SPI interface switch.
|
|||
|
|
* @details If set to @p TRUE the support for SPI is included.
|
|||
|
|
* @note The default is @p FALSE.
|
|||
|
|
*/
|
|||
|
|
#if !defined(HTS221_USE_SPI) || defined(__DOXYGEN__)
|
|||
|
|
#define HTS221_USE_SPI FALSE
|
|||
|
|
#endif
|
|||
|
|
|
|||
|
|
/**
|
|||
|
|
* @brief HTS221 shared SPI switch.
|
|||
|
|
* @details If set to @p TRUE the device acquires SPI bus ownership
|
|||
|
|
* on each transaction.
|
|||
|
|
* @note The default is @p FALSE. Requires SPI_USE_MUTUAL_EXCLUSION
|
|||
|
|
*/
|
|||
|
|
#if !defined(HTS221_SHARED_SPI) || defined(__DOXYGEN__)
|
|||
|
|
#define HTS221_SHARED_SPI FALSE
|
|||
|
|
#endif
|
|||
|
|
|
|||
|
|
/**
|
|||
|
|
* @brief HTS221 I2C interface switch.
|
|||
|
|
* @details If set to @p TRUE the support for I2C is included.
|
|||
|
|
* @note The default is @p TRUE.
|
|||
|
|
*/
|
|||
|
|
#if !defined(HTS221_USE_I2C) || defined(__DOXYGEN__)
|
|||
|
|
#define HTS221_USE_I2C TRUE
|
|||
|
|
#endif
|
|||
|
|
|
|||
|
|
/**
|
|||
|
|
* @brief HTS221 shared I2C switch.
|
|||
|
|
* @details If set to @p TRUE the device acquires I2C bus ownership
|
|||
|
|
* on each transaction.
|
|||
|
|
* @note The default is @p FALSE. Requires I2C_USE_MUTUAL_EXCLUSION
|
|||
|
|
*/
|
|||
|
|
#if !defined(HTS221_SHARED_I2C) || defined(__DOXYGEN__)
|
|||
|
|
#define HTS221_SHARED_I2C FALSE
|
|||
|
|
#endif
|
|||
|
|
|
|||
|
|
/**
|
|||
|
|
* @brief HTS221 advanced configurations switch.
|
|||
|
|
* @details If set to @p TRUE more configurations are available.
|
|||
|
|
* @note The default is @p FALSE.
|
|||
|
|
*/
|
|||
|
|
#if !defined(HTS221_USE_ADVANCED) || defined(__DOXYGEN__)
|
|||
|
|
#define HTS221_USE_ADVANCED FALSE
|
|||
|
|
#endif
|
|||
|
|
/** @} */
|
|||
|
|
|
|||
|
|
/*===========================================================================*/
|
|||
|
|
/* Derived constants and error checks. */
|
|||
|
|
/*===========================================================================*/
|
|||
|
|
|
|||
|
|
#if !(HTS221_USE_SPI ^ HTS221_USE_I2C)
|
|||
|
|
#error "HTS221_USE_SPI and HTS221_USE_I2C cannot be both true or both false"
|
|||
|
|
#endif
|
|||
|
|
|
|||
|
|
#if HTS221_USE_SPI && !HAL_USE_SPI
|
|||
|
|
#error "HTS221_USE_SPI requires HAL_USE_SPI"
|
|||
|
|
#endif
|
|||
|
|
|
|||
|
|
#if HTS221_SHARED_SPI && !SPI_USE_MUTUAL_EXCLUSION
|
|||
|
|
#error "HTS221_SHARED_SPI requires SPI_USE_MUTUAL_EXCLUSION"
|
|||
|
|
#endif
|
|||
|
|
|
|||
|
|
#if HTS221_USE_I2C && !HAL_USE_I2C
|
|||
|
|
#error "HTS221_USE_I2C requires HAL_USE_I2C"
|
|||
|
|
#endif
|
|||
|
|
|
|||
|
|
#if HTS221_SHARED_I2C && !I2C_USE_MUTUAL_EXCLUSION
|
|||
|
|
#error "HTS221_SHARED_I2C requires I2C_USE_MUTUAL_EXCLUSION"
|
|||
|
|
#endif
|
|||
|
|
|
|||
|
|
/**
|
|||
|
|
* @todo Add support for HTS221 over SPI.
|
|||
|
|
*/
|
|||
|
|
#if HTS221_USE_SPI
|
|||
|
|
#error "HTS221 over SPI still not supported."
|
|||
|
|
#endif
|
|||
|
|
|
|||
|
|
/*===========================================================================*/
|
|||
|
|
/* Driver data structures and types. */
|
|||
|
|
/*===========================================================================*/
|
|||
|
|
|
|||
|
|
/**
|
|||
|
|
* @name HTS221 data structures and types.
|
|||
|
|
* @{
|
|||
|
|
*/
|
|||
|
|
/**
|
|||
|
|
* @brief Structure representing a HTS221 driver.
|
|||
|
|
*/
|
|||
|
|
typedef struct HTS221Driver HTS221Driver;
|
|||
|
|
|
|||
|
|
/**
|
|||
|
|
* @brief HTS221 output data rate and bandwidth.
|
|||
|
|
*/
|
|||
|
|
typedef enum {
|
|||
|
|
HTS221_ODR_ONE_SHOT = 0x00, /**< One shot. */
|
|||
|
|
HTS221_ODR_1HZ = 0x01, /**< Output data rate 1 Hz. */
|
|||
|
|
HTS221_ODR_7HZ = 0x02, /**< Output data rate 7 Hz. */
|
|||
|
|
HTS221_ODR_12P5HZ = 0x03, /**< Output data rate 12.5 Hz. */
|
|||
|
|
}hts221_odr_t;
|
|||
|
|
|
|||
|
|
/**
|
|||
|
|
* @brief HTS221 humidity resolution.
|
|||
|
|
*/
|
|||
|
|
typedef enum {
|
|||
|
|
HTS221_AVGH_4 = 0x00, /**< Number of internal average is 4. */
|
|||
|
|
HTS221_AVGH_8 = 0x01, /**< Number of internal average is 8. */
|
|||
|
|
HTS221_AVGH_16 = 0x02, /**< Number of internal average is 16. */
|
|||
|
|
HTS221_AVGH_32 = 0x03, /**< Number of internal average is 32. */
|
|||
|
|
HTS221_AVGH_64 = 0x04, /**< Number of internal average is 64. */
|
|||
|
|
HTS221_AVGH_128 = 0x05, /**< Number of internal average is 128. */
|
|||
|
|
HTS221_AVGH_256 = 0x06, /**< Number of internal average is 256. */
|
|||
|
|
HTS221_AVGH_512 = 0x07 /**< Number of internal average is 512. */
|
|||
|
|
}hts221_avgh_t;
|
|||
|
|
|
|||
|
|
/**
|
|||
|
|
* @brief HTS221 temperature resolution.
|
|||
|
|
*/
|
|||
|
|
typedef enum {
|
|||
|
|
HTS221_AVGT_2 = 0x00, /**< Number of internal average is 2. */
|
|||
|
|
HTS221_AVGT_4 = 0x08, /**< Number of internal average is 4. */
|
|||
|
|
HTS221_AVGT_8 = 0x10, /**< Number of internal average is 8. */
|
|||
|
|
HTS221_AVGT_16 = 0x18, /**< Number of internal average is 16. */
|
|||
|
|
HTS221_AVGT_32 = 0x20, /**< Number of internal average is 32. */
|
|||
|
|
HTS221_AVGT_64 = 0x28, /**< Number of internal average is 64. */
|
|||
|
|
HTS221_AVGT_128 = 0x30, /**< Number of internal average is 128. */
|
|||
|
|
HTS221_AVGT_256 = 0x38, /**< Number of internal average is 256. */
|
|||
|
|
}hts221_avgt_t;
|
|||
|
|
|
|||
|
|
/**
|
|||
|
|
* @brief HTS221 block data update.
|
|||
|
|
*/
|
|||
|
|
typedef enum {
|
|||
|
|
HTS221_BDU_CONTINUOUS = 0x00, /**< Block data continuously updated. */
|
|||
|
|
HTS221_BDU_BLOCKED = 0x40 /**< Block data updated after reading. */
|
|||
|
|
}hts221_bdu_t;
|
|||
|
|
|
|||
|
|
/**
|
|||
|
|
* @brief Driver state machine possible states.
|
|||
|
|
*/
|
|||
|
|
typedef enum {
|
|||
|
|
HTS221_UNINIT = 0, /**< Not initialized. */
|
|||
|
|
HTS221_STOP = 1, /**< Stopped. */
|
|||
|
|
HTS221_READY = 2, /**< Ready. */
|
|||
|
|
} hts221_state_t;
|
|||
|
|
|
|||
|
|
/**
|
|||
|
|
* @brief HTS221 configuration structure.
|
|||
|
|
*/
|
|||
|
|
typedef struct {
|
|||
|
|
|
|||
|
|
#if HTS221_USE_SPI || defined(__DOXYGEN__)
|
|||
|
|
/**
|
|||
|
|
* @brief SPI driver associated to this HTS221.
|
|||
|
|
*/
|
|||
|
|
SPIDriver *spip;
|
|||
|
|
/**
|
|||
|
|
* @brief SPI configuration associated to this HTS221.
|
|||
|
|
*/
|
|||
|
|
const SPIConfig *spicfg;
|
|||
|
|
#endif /* HTS221_USE_SPI */
|
|||
|
|
#if HTS221_USE_I2C || defined(__DOXYGEN__)
|
|||
|
|
/**
|
|||
|
|
* @brief I2C driver associated to this HTS221.
|
|||
|
|
*/
|
|||
|
|
I2CDriver *i2cp;
|
|||
|
|
/**
|
|||
|
|
* @brief I2C configuration associated to this HTS221.
|
|||
|
|
*/
|
|||
|
|
const I2CConfig *i2ccfg;
|
|||
|
|
#endif /* HTS221_USE_I2C */
|
|||
|
|
/**
|
|||
|
|
* @brief HTS221 hygrometer subsystem initial sensitivity.
|
|||
|
|
*/
|
|||
|
|
float *hygrosensitivity;
|
|||
|
|
/**
|
|||
|
|
* @brief HTS221 hygrometer subsystem initial bias.
|
|||
|
|
*/
|
|||
|
|
float *hygrobias;
|
|||
|
|
/**
|
|||
|
|
* @brief HTS221 thermometer subsystem initial sensitivity.
|
|||
|
|
*/
|
|||
|
|
float *thermosensitivity;
|
|||
|
|
/**
|
|||
|
|
* @brief HTS221 thermometer subsystem initial bias.
|
|||
|
|
*/
|
|||
|
|
float *thermobias;
|
|||
|
|
/**
|
|||
|
|
* @brief HTS221 output data rate selection.
|
|||
|
|
*/
|
|||
|
|
hts221_odr_t outputdatarate;
|
|||
|
|
#if HTS221_USE_ADVANCED || defined(__DOXYGEN__)
|
|||
|
|
/**
|
|||
|
|
* @brief HTS221 block data update.
|
|||
|
|
*/
|
|||
|
|
hts221_bdu_t blockdataupdate;
|
|||
|
|
/**
|
|||
|
|
* @brief HTS221 hygrometer subsystem resolution.
|
|||
|
|
*/
|
|||
|
|
hts221_avgh_t hygroresolution;
|
|||
|
|
/**
|
|||
|
|
* @brief HTS221 thermometer subsystem resolution.
|
|||
|
|
*/
|
|||
|
|
hts221_avgt_t thermoresolution;
|
|||
|
|
#endif
|
|||
|
|
} HTS221Config;
|
|||
|
|
|
|||
|
|
/**
|
|||
|
|
* @brief @p HTS221 specific methods.
|
|||
|
|
* @note No methods so far, just a common ancestor interface.
|
|||
|
|
*/
|
|||
|
|
#define _hts221_methods_alone
|
|||
|
|
|
|||
|
|
/**
|
|||
|
|
* @brief @p HTS221 specific methods with inherited ones.
|
|||
|
|
*/
|
|||
|
|
#define _hts221_methods \
|
|||
|
|
_base_object_methods \
|
|||
|
|
_hts221_methods_alone
|
|||
|
|
|
|||
|
|
/**
|
|||
|
|
* @extends BaseObjectVMT
|
|||
|
|
*
|
|||
|
|
* @brief @p HTS221 virtual methods table.
|
|||
|
|
*/
|
|||
|
|
struct HTS221VMT {
|
|||
|
|
_hts221_methods
|
|||
|
|
};
|
|||
|
|
|
|||
|
|
/**
|
|||
|
|
* @brief @p HTS221Driver specific data.
|
|||
|
|
*/
|
|||
|
|
#define _hts221_data \
|
|||
|
|
/* Driver state.*/ \
|
|||
|
|
hts221_state_t state; \
|
|||
|
|
/* Current configuration data.*/ \
|
|||
|
|
const HTS221Config *config; \
|
|||
|
|
/* Hygrometer subsystem axes number.*/ \
|
|||
|
|
size_t hygroaxes; \
|
|||
|
|
/* Hygrometer subsystem current sensitivity.*/ \
|
|||
|
|
float hygrosensitivity; \
|
|||
|
|
/* Hygrometer subsystem current bias .*/ \
|
|||
|
|
float hygrobias; \
|
|||
|
|
/* Hygrometer subsystem factory sensitivity.*/ \
|
|||
|
|
float hygrofactorysensitivity; \
|
|||
|
|
/* Hygrometer subsystem factory bias .*/ \
|
|||
|
|
float hygrofactorybias; \
|
|||
|
|
/* Thermometer subsystem axes number.*/ \
|
|||
|
|
size_t thermoaxes; \
|
|||
|
|
/* Thermometer subsystem current sensitivity.*/ \
|
|||
|
|
float thermosensitivity; \
|
|||
|
|
/* Thermometer subsystem current bias.*/ \
|
|||
|
|
float thermobias; \
|
|||
|
|
/* Thermometer subsystem factory sensitivity.*/ \
|
|||
|
|
float thermofactorysensitivity; \
|
|||
|
|
/* Thermometer subsystem factory bias.*/ \
|
|||
|
|
float thermofactorybias;
|
|||
|
|
|
|||
|
|
/**
|
|||
|
|
* @brief HTS221 2-axis hygrometer/thermometer class.
|
|||
|
|
*/
|
|||
|
|
struct HTS221Driver {
|
|||
|
|
/** @brief Virtual Methods Table.*/
|
|||
|
|
const struct HTS221VMT *vmt;
|
|||
|
|
/** @brief Base hygrometer interface.*/
|
|||
|
|
BaseHygrometer hygro_if;
|
|||
|
|
/** @brief Base thermometer interface.*/
|
|||
|
|
BaseThermometer thermo_if;
|
|||
|
|
_hts221_data
|
|||
|
|
};
|
|||
|
|
/** @} */
|
|||
|
|
|
|||
|
|
/*===========================================================================*/
|
|||
|
|
/* Driver macros. */
|
|||
|
|
/*===========================================================================*/
|
|||
|
|
|
|||
|
|
/**
|
|||
|
|
* @brief Return the number of axes of the BaseHygrometer.
|
|||
|
|
*
|
|||
|
|
* @param[in] devp pointer to @p HTS221Driver.
|
|||
|
|
*
|
|||
|
|
* @return the number of axes.
|
|||
|
|
*
|
|||
|
|
* @api
|
|||
|
|
*/
|
|||
|
|
#define hts221HygrometerGetAxesNumber(devp) \
|
|||
|
|
hygrometerGetAxesNumber(&((devp)->hygro_if))
|
|||
|
|
|
|||
|
|
/**
|
|||
|
|
* @brief Retrieves raw data from the BaseHygrometer.
|
|||
|
|
* @note This data is retrieved from MEMS register without any algebraical
|
|||
|
|
* manipulation.
|
|||
|
|
* @note The axes array must be at least the same size of the
|
|||
|
|
* BaseHygrometer axes number.
|
|||
|
|
*
|
|||
|
|
* @param[in] devp pointer to @p HTS221Driver.
|
|||
|
|
* @param[out] axes a buffer which would be filled with raw data.
|
|||
|
|
*
|
|||
|
|
* @return The operation status.
|
|||
|
|
* @retval MSG_OK if the function succeeded.
|
|||
|
|
* @retval MSG_RESET if one or more I2C errors occurred, the errors can
|
|||
|
|
* be retrieved using @p i2cGetErrors().
|
|||
|
|
* @retval MSG_TIMEOUT if a timeout occurred before operation end.
|
|||
|
|
*
|
|||
|
|
* @api
|
|||
|
|
*/
|
|||
|
|
#define hts221HygrometerReadRaw(devp, axes) \
|
|||
|
|
hygrometerReadRaw(&((devp)->hygro_if), axes)
|
|||
|
|
|
|||
|
|
/**
|
|||
|
|
* @brief Retrieves cooked data from the BaseHygrometer.
|
|||
|
|
* @note This data is manipulated according to the formula
|
|||
|
|
* cooked = (raw * sensitivity) - bias.
|
|||
|
|
* @note Final data is expressed as %rH.
|
|||
|
|
* @note The axes array must be at least the same size of the
|
|||
|
|
* BaseHygrometer axes number.
|
|||
|
|
*
|
|||
|
|
* @param[in] devp pointer to @p HTS221Driver.
|
|||
|
|
* @param[out] axes a buffer which would be filled with cooked data.
|
|||
|
|
*
|
|||
|
|
* @return The operation status.
|
|||
|
|
* @retval MSG_OK if the function succeeded.
|
|||
|
|
* @retval MSG_RESET if one or more I2C errors occurred, the errors can
|
|||
|
|
* be retrieved using @p i2cGetErrors().
|
|||
|
|
* @retval MSG_TIMEOUT if a timeout occurred before operation end.
|
|||
|
|
*
|
|||
|
|
* @api
|
|||
|
|
*/
|
|||
|
|
#define hts221HygrometerReadCooked(devp, axes) \
|
|||
|
|
hygrometerReadCooked(&((devp)->hygro_if), axes)
|
|||
|
|
|
|||
|
|
/**
|
|||
|
|
* @brief Set bias values for the BaseHygrometer.
|
|||
|
|
* @note Bias must be expressed as %rH.
|
|||
|
|
* @note The bias buffer must be at least the same size of the
|
|||
|
|
* BaseHygrometer axes number.
|
|||
|
|
*
|
|||
|
|
* @param[in] devp pointer to @p HTS221Driver.
|
|||
|
|
* @param[in] bp a buffer which contains biases.
|
|||
|
|
*
|
|||
|
|
* @return The operation status.
|
|||
|
|
* @retval MSG_OK if the function succeeded.
|
|||
|
|
*
|
|||
|
|
* @api
|
|||
|
|
*/
|
|||
|
|
#define hts221HygrometerSetBias(devp, bp) \
|
|||
|
|
hygrometerSetBias(&((devp)->hygro_if), bp)
|
|||
|
|
|
|||
|
|
/**
|
|||
|
|
* @brief Reset bias values for the BaseHygrometer.
|
|||
|
|
* @note Default biases value are obtained from device datasheet when
|
|||
|
|
* available otherwise they are considered zero.
|
|||
|
|
*
|
|||
|
|
* @param[in] devp pointer to @p HTS221Driver.
|
|||
|
|
*
|
|||
|
|
* @return The operation status.
|
|||
|
|
* @retval MSG_OK if the function succeeded.
|
|||
|
|
*
|
|||
|
|
* @api
|
|||
|
|
*/
|
|||
|
|
#define hts221HygrometerResetBias(devp) \
|
|||
|
|
hygrometerResetBias(&((devp)->hygro_if))
|
|||
|
|
|
|||
|
|
/**
|
|||
|
|
* @brief Set sensitivity values for the BaseHygrometer.
|
|||
|
|
* @note Sensitivity must be expressed as %rH/LSB.
|
|||
|
|
* @note The sensitivity buffer must be at least the same size of the
|
|||
|
|
* BaseHygrometer axes number.
|
|||
|
|
*
|
|||
|
|
* @param[in] devp pointer to @p HTS221Driver.
|
|||
|
|
* @param[in] sp a buffer which contains sensitivities.
|
|||
|
|
*
|
|||
|
|
* @return The operation status.
|
|||
|
|
* @retval MSG_OK if the function succeeded.
|
|||
|
|
*
|
|||
|
|
* @api
|
|||
|
|
*/
|
|||
|
|
#define hts221HygrometerSetSensitivity(devp, sp) \
|
|||
|
|
hygrometerSetSensitivity(&((devp)->hygro_if), sp)
|
|||
|
|
|
|||
|
|
/**
|
|||
|
|
* @brief Reset sensitivity values for the BaseHygrometer.
|
|||
|
|
* @note Default sensitivities value are obtained from device datasheet.
|
|||
|
|
*
|
|||
|
|
* @param[in] devp pointer to @p HTS221Driver.
|
|||
|
|
*
|
|||
|
|
* @return The operation status.
|
|||
|
|
* @retval MSG_OK if the function succeeded.
|
|||
|
|
*
|
|||
|
|
* @api
|
|||
|
|
*/
|
|||
|
|
#define hts221HygrometerResetSensitivity(devp) \
|
|||
|
|
hygrometerResetSensitivity(&((devp)->hygro_if))
|
|||
|
|
|
|||
|
|
/**
|
|||
|
|
* @brief Return the number of axes of the BaseThermometer.
|
|||
|
|
*
|
|||
|
|
* @param[in] devp pointer to @p HTS221Driver.
|
|||
|
|
*
|
|||
|
|
* @return the number of axes.
|
|||
|
|
*
|
|||
|
|
* @api
|
|||
|
|
*/
|
|||
|
|
#define hts221ThermometerGetAxesNumber(devp) \
|
|||
|
|
thermometerGetAxesNumber(&((devp)->thermo_if))
|
|||
|
|
|
|||
|
|
/**
|
|||
|
|
* @brief Retrieves raw data from the BaseThermometer.
|
|||
|
|
* @note This data is retrieved from MEMS register without any algebraical
|
|||
|
|
* manipulation.
|
|||
|
|
* @note The axes array must be at least the same size of the
|
|||
|
|
* BaseThermometer axes number.
|
|||
|
|
*
|
|||
|
|
* @param[in] devp pointer to @p HTS221Driver.
|
|||
|
|
* @param[out] axes a buffer which would be filled with raw data.
|
|||
|
|
*
|
|||
|
|
* @return The operation status.
|
|||
|
|
* @retval MSG_OK if the function succeeded.
|
|||
|
|
* @retval MSG_RESET if one or more I2C errors occurred, the errors can
|
|||
|
|
* be retrieved using @p i2cGetErrors().
|
|||
|
|
* @retval MSG_TIMEOUT if a timeout occurred before operation end.
|
|||
|
|
*
|
|||
|
|
* @api
|
|||
|
|
*/
|
|||
|
|
#define hts221ThermometerReadRaw(devp, axes) \
|
|||
|
|
thermometerReadRaw(&((devp)->thermo_if), axes)
|
|||
|
|
|
|||
|
|
/**
|
|||
|
|
* @brief Retrieves cooked data from the BaseThermometer.
|
|||
|
|
* @note This data is manipulated according to the formula
|
|||
|
|
* cooked = (raw * sensitivity) - bias.
|
|||
|
|
* @note Final data is expressed as <EFBFBD>C.
|
|||
|
|
* @note The axes array must be at least the same size of the
|
|||
|
|
* BaseThermometer axes number.
|
|||
|
|
*
|
|||
|
|
* @param[in] devp pointer to @p HTS221Driver.
|
|||
|
|
* @param[out] axes a buffer which would be filled with cooked data.
|
|||
|
|
*
|
|||
|
|
* @return The operation status.
|
|||
|
|
* @retval MSG_OK if the function succeeded.
|
|||
|
|
* @retval MSG_RESET if one or more I2C errors occurred, the errors can
|
|||
|
|
* be retrieved using @p i2cGetErrors().
|
|||
|
|
* @retval MSG_TIMEOUT if a timeout occurred before operation end.
|
|||
|
|
*
|
|||
|
|
* @api
|
|||
|
|
*/
|
|||
|
|
#define hts221ThermometerReadCooked(devp, axes) \
|
|||
|
|
thermometerReadCooked(&((devp)->thermo_if), axes)
|
|||
|
|
|
|||
|
|
/**
|
|||
|
|
* @brief Set bias values for the BaseThermometer.
|
|||
|
|
* @note Bias must be expressed as <EFBFBD>C.
|
|||
|
|
* @note The bias buffer must be at least the same size of the
|
|||
|
|
* BaseThermometer axes number.
|
|||
|
|
*
|
|||
|
|
* @param[in] devp pointer to @p HTS221Driver.
|
|||
|
|
* @param[in] bp a buffer which contains biases.
|
|||
|
|
*
|
|||
|
|
* @return The operation status.
|
|||
|
|
* @retval MSG_OK if the function succeeded.
|
|||
|
|
*
|
|||
|
|
* @api
|
|||
|
|
*/
|
|||
|
|
#define hts221ThermometerSetBias(devp, bp) \
|
|||
|
|
thermometerSetBias(&((devp)->thermo_if), bp)
|
|||
|
|
|
|||
|
|
/**
|
|||
|
|
* @brief Reset bias values for the BaseThermometer.
|
|||
|
|
* @note Default biases value are obtained from device datasheet when
|
|||
|
|
* available otherwise they are considered zero.
|
|||
|
|
*
|
|||
|
|
* @param[in] devp pointer to @p HTS221Driver.
|
|||
|
|
*
|
|||
|
|
* @return The operation status.
|
|||
|
|
* @retval MSG_OK if the function succeeded.
|
|||
|
|
*
|
|||
|
|
* @api
|
|||
|
|
*/
|
|||
|
|
#define hts221ThermometerResetBias(devp) \
|
|||
|
|
thermometerResetBias(&((devp)->thermo_if))
|
|||
|
|
|
|||
|
|
/**
|
|||
|
|
* @brief Set sensitivity values for the BaseThermometer.
|
|||
|
|
* @note Sensitivity must be expressed as <EFBFBD>C/LSB.
|
|||
|
|
* @note The sensitivity buffer must be at least the same size of the
|
|||
|
|
* BaseThermometer axes number.
|
|||
|
|
*
|
|||
|
|
* @param[in] devp pointer to @p HTS221Driver.
|
|||
|
|
* @param[in] sp a buffer which contains sensitivities.
|
|||
|
|
*
|
|||
|
|
* @return The operation status.
|
|||
|
|
* @retval MSG_OK if the function succeeded.
|
|||
|
|
*
|
|||
|
|
* @api
|
|||
|
|
*/
|
|||
|
|
#define hts221ThermometerSetSensitivity(devp, sp) \
|
|||
|
|
thermometerSetSensitivity(&((devp)->thermo_if), sp)
|
|||
|
|
|
|||
|
|
/**
|
|||
|
|
* @brief Reset sensitivity values for the BaseThermometer.
|
|||
|
|
* @note Default sensitivities value are obtained from device datasheet.
|
|||
|
|
*
|
|||
|
|
* @param[in] devp pointer to @p HTS221Driver.
|
|||
|
|
*
|
|||
|
|
* @return The operation status.
|
|||
|
|
* @retval MSG_OK if the function succeeded.
|
|||
|
|
*
|
|||
|
|
* @api
|
|||
|
|
*/
|
|||
|
|
#define hts221ThermometerResetSensitivity(devp) \
|
|||
|
|
thermometerResetSensitivity(&((devp)->thermo_if))
|
|||
|
|
|
|||
|
|
/*===========================================================================*/
|
|||
|
|
/* External declarations. */
|
|||
|
|
/*===========================================================================*/
|
|||
|
|
|
|||
|
|
#ifdef __cplusplus
|
|||
|
|
extern "C" {
|
|||
|
|
#endif
|
|||
|
|
void hts221ObjectInit(HTS221Driver *devp);
|
|||
|
|
void hts221Start(HTS221Driver *devp, const HTS221Config *config);
|
|||
|
|
void hts221Stop(HTS221Driver *devp);
|
|||
|
|
#ifdef __cplusplus
|
|||
|
|
}
|
|||
|
|
#endif
|
|||
|
|
|
|||
|
|
#endif /* _HTS221_H_ */
|
|||
|
|
|
|||
|
|
/** @} */
|