547 lines
18 KiB
C
547 lines
18 KiB
C
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/**
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* Copyright (c) 2020 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 bmp3.h
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* @date 2021-06-17
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* @version v2.0.5
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*
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*/
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/*!
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* @defgroup bmp3 BMP3
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*/
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#ifndef _BMP3_H
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#define _BMP3_H
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/* Header includes */
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#include "bmp3_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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* \ingroup bmp3
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* \defgroup bmp3ApiInit Initialization
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* @brief Initialize the sensor and device structure
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*/
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/*!
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* \ingroup bmp3ApiInit
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* \page bmp3_api_bmp3_init bma4_init
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* \code
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* int8_t bmp3_init(struct bmp3_dev *dev);
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* \endcode
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* @details This API is the entry point.
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* It performs the selection of I2C/SPI read mechanism according to the
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* selected interface and reads the chip-id and calibration data of the sensor.
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*
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* @param[in,out] dev : Structure instance of bmp3_dev
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*
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* @return Result of API execution status
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* @retval 0 -> Success
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* @retval >0 -> Warning
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* @retval <0 -> Error
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*/
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int8_t bmp3_init(struct bmp3_dev *dev);
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/**
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* \ingroup bmp3
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* \defgroup bmp3ApiSoftReset Soft reset
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* @brief Perform soft reset of the sensor
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*/
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/*!
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* \ingroup bmp3ApiSoftReset
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* \page bmp3_api_bmp3_soft_reset bmp3_soft_reset
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* \code
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* int8_t bmp3_soft_reset(const struct bmp3_dev *dev);
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* \endcode
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* @details This API performs the soft reset of the sensor.
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*
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* @param[in] dev : Structure instance of bmp3_dev.
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*
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* @return Result of API execution status
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* @retval 0 -> Success
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* @retval >0 -> Warning
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* @retval <0 -> Error
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*/
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int8_t bmp3_soft_reset(struct bmp3_dev *dev);
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/**
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* \ingroup bmp3
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* \defgroup bmp3ApiSensorS Sensor settings
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* @brief Get / Set sensor settings
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*/
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/*!
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* \ingroup bmp3ApiSensorS
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* \page bmp3_api_bmp3_set_sensor_settings bmp3_set_sensor_settings
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* \code
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* int8_t bmp3_set_sensor_settings(uint32_t desired_settings, struct bmp3_settings *settings, struct bmp3_dev *dev);
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* \endcode
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* @details This API sets the power control(pressure enable and
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* temperature enable), over sampling, odr and filter
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* settings in the sensor.
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*
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* @param[in] desired_settings : Variable used to select the settings which
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* are to be set in the sensor.
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* @param[in] settings : Structure instance of bmp3_settings
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* @param[in] dev : Structure instance of bmp3_dev.
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*
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* @note : Below are the macros to be used by the user for selecting the
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* desired settings. User can do OR operation of these macros for configuring
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* multiple settings.
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*
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*@verbatim
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* Macros | Functionality
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* ---------------------|----------------------------------------------
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* BMP3_SEL_PRESS_EN | Enable/Disable pressure.
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* BMP3_SEL_TEMP_EN | Enable/Disable temperature.
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* BMP3_SEL_PRESS_OS | Set pressure oversampling.
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* BMP3_SEL_TEMP_OS | Set temperature oversampling.
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* BMP3_SEL_IIR_FILTER | Set IIR filter.
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* BMP3_SEL_ODR | Set ODR.
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* BMP3_SEL_OUTPUT_MODE | Set either open drain or push pull
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* BMP3_SEL_LEVEL | Set interrupt pad to be active high or low
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* BMP3_SEL_LATCH | Set interrupt pad to be latched or nonlatched.
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* BMP3_SEL_DRDY_EN | Map/Unmap the drdy interrupt to interrupt pad.
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* BMP3_SEL_I2C_WDT_EN | Enable/Disable I2C internal watch dog.
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* BMP3_SEL_I2C_WDT | Set I2C watch dog timeout delay.
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*@endverbatim
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*
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* @return Result of API execution status
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* @retval 0 -> Success
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* @retval >0 -> Warning
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* @retval <0 -> Error
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*/
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int8_t bmp3_set_sensor_settings(uint32_t desired_settings, struct bmp3_settings *settings, struct bmp3_dev *dev);
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/*!
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* \ingroup bmp3ApiSensorS
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* \page bmp3_api_bmp3_get_sensor_settings bmp3_get_sensor_settings
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* \code
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* int8_t bmp3_get_sensor_settings(struct bmp3_settings *settings, struct bmp3_dev *dev);
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* \endcode
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* @details This API gets the power control(power mode, pressure enable and
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* temperature enable), over sampling, odr, filter, interrupt control and
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* advance settings from the sensor.
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*
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* @param[out] settings : Structure instance of bmp3_settings
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* @param[in] dev : Structure instance of bmp3_dev.
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*
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* @return Result of API execution status
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* @retval 0 -> Success
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* @retval >0 -> Warning
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* @retval <0 -> Error
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*/
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int8_t bmp3_get_sensor_settings(struct bmp3_settings *settings, struct bmp3_dev *dev);
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/**
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* \ingroup bmp3
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* \defgroup bmp3ApiPowermode Power mode
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* @brief Set / Get power mode of the sensor
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*/
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/*!
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* \ingroup bmp3ApiPowermode
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* \page bmp3_api_bmp3_set_op_mode bmp3_set_op_mode
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* \code
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* int8_t bmp3_set_op_mode(struct bmp3_settings *settings, struct bmp3_dev *dev);
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* \endcode
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* @details This API sets the power mode of the sensor.
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*
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* @param[in] settings : Structure instance of bmp3_settings
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* @param[in] dev : Structure instance of bmp3_dev.
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*
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*@verbatim
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* dev->settings.op_mode | Macros
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* ----------------------|-------------------
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* 0 | BMP3_MODE_SLEEP
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* 1 | BMP3_MODE_FORCED
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* 3 | BMP3_MODE_NORMAL
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*@endverbatim
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*
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* @note : Before setting normal mode, valid odr and osr settings should be set
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* in the sensor by using 'bmp3_set_sensor_settings' function.
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*
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* @return Result of API execution status
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* @retval 0 -> Success
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* @retval >0 -> Warning
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* @retval <0 -> Error
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*/
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int8_t bmp3_set_op_mode(struct bmp3_settings *settings, struct bmp3_dev *dev);
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/*!
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* \ingroup bmp3ApiPowermode
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* \page bmp3_api_bmp3_get_op_mode bmp3_get_op_mode
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* \code
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* int8_t bmp3_get_op_mode(uint8_t *op_mode, const struct bmp3_dev *dev);
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* \endcode
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* @details This API gets the power mode of the sensor.
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*
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* @param[in] dev : Structure instance of bmp3_dev.
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* @param[out] op_mode : Pointer variable to store the op-mode.
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*
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*@verbatim
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* ------------------------------------------
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* op_mode | Macros
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* ----------------------|-------------------
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* 0 | BMP3_MODE_SLEEP
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* 1 | BMP3_MODE_FORCED
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* 3 | BMP3_MODE_NORMAL
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* ------------------------------------------
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*@endverbatim
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*
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* @return Result of API execution status
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* @retval 0 -> Success
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* @retval >0 -> Warning
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* @retval <0 -> Error
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*/
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int8_t bmp3_get_op_mode(uint8_t *op_mode, struct bmp3_dev *dev);
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/**
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* \ingroup bmp3
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* \defgroup bmp3ApiData Sensor Data
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* @brief Get Sensor data
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*/
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/*!
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* \ingroup bmp3ApiData
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* \page bmp3_api_bmp3_get_sensor_data bmp3_get_sensor_data
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* \code
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* int8_t bmp3_get_sensor_data(uint8_t sensor_comp, struct bmp3_data *data, struct bmp3_dev *dev);
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* \endcode
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* @details This API reads the pressure, temperature or both data from the
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* sensor, compensates the data and store it in the bmp3_data structure
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* instance passed by the user.
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*
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* @param[in] sensor_comp : Variable which selects which data to be read from
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* the sensor.
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*
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*@verbatim
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* sensor_comp | Macros
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* ------------|-------------------
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* 1 | BMP3_PRESS
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* 2 | BMP3_TEMP
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* 3 | BMP3_ALL
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*@endverbatim
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*
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* @param[out] data : Structure instance of bmp3_data.
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* @param[in] dev : Structure instance of bmp3_dev.
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*
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* @note : For fixed point the compensated temperature and pressure has a multiplication factor of 100.
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* Units are degree celsius and Pascal respectively.
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* ie. If temperature is 2426 then temperature is 24.26 deg C
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* If press is 9528709, then pressure is 95287.09 Pascal.
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*
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* @return Result of API execution status
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* @retval 0 -> Success
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* @retval >0 -> Warning
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* @retval <0 -> Error
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*/
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int8_t bmp3_get_sensor_data(uint8_t sensor_comp, struct bmp3_data *data, struct bmp3_dev *dev);
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/**
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* \ingroup bmp3
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* \defgroup bmp3ApiRegs Registers
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* @brief Read / Write data to the given register address
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*/
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/*!
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* \ingroup bmp3ApiRegs
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* \page bmp3_api_bmp3_set_regs bmp3_set_regs
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* \code
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* int8_t bmp3_set_regs(uint8_t *reg_addr, const uint8_t *reg_data, uint8_t len, const struct bmp3_dev *dev);
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* \endcode
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* @details This API writes the given data to the register address
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* of the sensor.
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*
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* @param[in] reg_addr : Register address to where the data to be written.
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* @param[in] reg_data : Pointer to data buffer which is to be written
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* in the sensor.
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* @param[in] len : No. of bytes of data to write.
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* @param[in] dev : Structure instance of bmp3_dev.
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*
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* @return Result of API execution status
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* @retval 0 -> Success
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* @retval >0 -> Warning
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* @retval <0 -> Error
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*/
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int8_t bmp3_set_regs(uint8_t *reg_addr, const uint8_t *reg_data, uint32_t len, struct bmp3_dev *dev);
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/*!
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* \ingroup bmp3ApiRegs
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* \page bmp3_api_bmp3_get_regs bmp3_get_regs
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* \code
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* int8_t bmp3_get_regs(uint8_t reg_addr, uint8_t *reg_data, uint16_t length, const struct bmp3_dev *dev);
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* \endcode
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* @details This API reads the data from the given register address of the sensor.
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*
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* @param[in] reg_addr : Register address from where the data to be read
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* @param[out] reg_data : Pointer to data buffer to store the read data.
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* @param[in] len : No. of bytes of data to be read.
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* @param[in] dev : Structure instance of bmp3_dev.
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*
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* @return Result of API execution status
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* @retval 0 -> Success
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* @retval >0 -> Warning
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* @retval <0 -> Error
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*/
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int8_t bmp3_get_regs(uint8_t reg_addr, uint8_t *reg_data, uint32_t len, struct bmp3_dev *dev);
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/**
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* \ingroup bmp3
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* \defgroup bmp3ApiFIFO FIFO
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* @brief FIFO operations of the sensor
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*/
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/*!
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* \ingroup bmp3ApiFIFO
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* \page bmp3_api_bmp3_set_fifo_settings bmp3_set_fifo_settings
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* \code
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* int8_t bmp3_set_fifo_settings(uint16_t desired_settings, struct bmp3_fifo_settings *fifo_settings,
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* struct bmp3_dev *dev);
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* \endcode
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* @details This API sets the fifo_config_1(fifo_mode,
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* fifo_stop_on_full, fifo_time_en, fifo_press_en, fifo_temp_en),
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* fifo_config_2(fifo_subsampling, data_select) and int_ctrl(fwtm_en, ffull_en)
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* settings in the sensor.
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*
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* @param[in] desired_settings : Variable used to select the FIFO settings which
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* are to be set in the sensor.
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*
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* @note : Below are the macros to be used by the user for selecting the
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* desired settings. User can do OR operation of these macros for configuring
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* multiple settings.
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*
|
||
|
|
*@verbatim
|
||
|
|
* Macros | Functionality
|
||
|
|
* --------------------------------|----------------------------
|
||
|
|
* BMP3_SEL_FIFO_MODE | Enable/Disable FIFO
|
||
|
|
* BMP3_SEL_FIFO_STOP_ON_FULL_EN | Set FIFO stop on full interrupt
|
||
|
|
* BMP3_SEL_FIFO_TIME_EN | Enable/Disable FIFO time
|
||
|
|
* BMP3_SEL_FIFO_PRESS_EN | Enable/Disable pressure
|
||
|
|
* BMP3_SEL_FIFO_TEMP_EN | Enable/Disable temperature
|
||
|
|
* BMP3_SEL_FIFO_DOWN_SAMPLING | Set FIFO downsampling
|
||
|
|
* BMP3_SEL_FIFO_FILTER_EN | Enable/Disable FIFO filter
|
||
|
|
* BMP3_SEL_FIFO_FWTM_EN | Enable/Disable FIFO watermark interrupt
|
||
|
|
* BMP3_SEL_FIFO_FFULL_EN | Enable/Disable FIFO full interrupt
|
||
|
|
*@endverbatim
|
||
|
|
*
|
||
|
|
* @param[in] fifo_settings : Structure instance of bmp3_fifo_settings
|
||
|
|
* @param[in] dev : Structure instance of bmp3_dev.
|
||
|
|
*
|
||
|
|
* @return Result of API execution status
|
||
|
|
* @retval 0 -> Success
|
||
|
|
* @retval >0 -> Warning
|
||
|
|
* @retval <0 -> Error
|
||
|
|
*/
|
||
|
|
int8_t bmp3_set_fifo_settings(uint16_t desired_settings,
|
||
|
|
const struct bmp3_fifo_settings *fifo_settings,
|
||
|
|
struct bmp3_dev *dev);
|
||
|
|
|
||
|
|
/*!
|
||
|
|
* \ingroup bmp3ApiFIFO
|
||
|
|
* \page bmp3_api_bmp3_get_fifo_settings bmp3_get_fifo_settings
|
||
|
|
* \code
|
||
|
|
* int8_t bmp3_get_fifo_settings(struct bmp3_fifo_settings *fifo_settings, struct bmp3_dev *dev);
|
||
|
|
* \endcode
|
||
|
|
* @details This API gets the fifo_config_1(fifo_mode,
|
||
|
|
* fifo_stop_on_full, fifo_time_en, fifo_press_en, fifo_temp_en),
|
||
|
|
* fifo_config_2(fifo_subsampling, data_select) and int_ctrl(fwtm_en, ffull_en)
|
||
|
|
* settings from the sensor.
|
||
|
|
*
|
||
|
|
* @param[in] fifo_settings : Structure instance of bmp3_fifo_settings
|
||
|
|
* @param[in] dev : Structure instance of bmp3_dev.
|
||
|
|
*
|
||
|
|
* @return Result of API execution status
|
||
|
|
* @retval 0 -> Success
|
||
|
|
* @retval >0 -> Warning
|
||
|
|
* @retval <0 -> Error
|
||
|
|
*/
|
||
|
|
int8_t bmp3_get_fifo_settings(struct bmp3_fifo_settings *fifo_settings, struct bmp3_dev *dev);
|
||
|
|
|
||
|
|
/*!
|
||
|
|
* \ingroup bmp3ApiFIFO
|
||
|
|
* \page bmp3_api_bmp3_get_fifo_data bmp3_get_fifo_data
|
||
|
|
* \code
|
||
|
|
* int8_t bmp3_get_fifo_data(struct bmp3_fifo_data *fifo,
|
||
|
|
* const struct bmp3_fifo_settings *fifo_settings,
|
||
|
|
* struct bmp3_dev *dev);
|
||
|
|
* \endcode
|
||
|
|
* @details This API gets the fifo data from the sensor.
|
||
|
|
*
|
||
|
|
* @param[in,out] fifo : Structure instance of bmp3_fifo_data
|
||
|
|
* @param[in] fifo_settings : Structure instance of bmp3_fifo_settings
|
||
|
|
* @param[in] dev : Structure instance of bmp3_dev
|
||
|
|
*
|
||
|
|
* @return Result of API execution status.
|
||
|
|
* @retval 0 -> Success
|
||
|
|
* @retval >0 -> Warning
|
||
|
|
* @retval <0 -> Error
|
||
|
|
*/
|
||
|
|
int8_t bmp3_get_fifo_data(struct bmp3_fifo_data *fifo,
|
||
|
|
const struct bmp3_fifo_settings *fifo_settings,
|
||
|
|
struct bmp3_dev *dev);
|
||
|
|
|
||
|
|
/*!
|
||
|
|
* \ingroup bmp3ApiFIFO
|
||
|
|
* \page bmp3_api_bmp3_get_fifo_length bmp3_get_fifo_length
|
||
|
|
* \code
|
||
|
|
* int8_t bmp3_get_fifo_length(uint16_t *fifo_length, struct bmp3_dev *dev);
|
||
|
|
* \endcode
|
||
|
|
* @details This API gets the fifo length from the sensor.
|
||
|
|
*
|
||
|
|
* @param[out] fifo_length : Variable used to store the fifo length.
|
||
|
|
* @param[in] dev : Structure instance of bmp3_dev.
|
||
|
|
*
|
||
|
|
* @return Result of API execution status.
|
||
|
|
* @retval 0 -> Success
|
||
|
|
* @retval >0 -> Warning
|
||
|
|
* @retval <0 -> Error
|
||
|
|
*/
|
||
|
|
int8_t bmp3_get_fifo_length(uint16_t *fifo_length, struct bmp3_dev *dev);
|
||
|
|
|
||
|
|
/*!
|
||
|
|
* \ingroup bmp3ApiFIFO
|
||
|
|
* \page bmp3_api_bmp3_extract_fifo_data bmp3_extract_fifo_data
|
||
|
|
* \code
|
||
|
|
* int8_t bmp3_extract_fifo_data(struct bmp3_data *data, struct bmp3_fifo_data *fifo, struct bmp3_dev *dev);
|
||
|
|
* \endcode
|
||
|
|
* @details This API extracts the temperature and/or pressure data from the FIFO
|
||
|
|
* data which is already read from the fifo.
|
||
|
|
*
|
||
|
|
* @param[out] data : Array of bmp3_data structures where the temperature
|
||
|
|
* and pressure frames will be stored.
|
||
|
|
* @param[in] fifo : Structure instance of bmp3_fifo_data
|
||
|
|
* @param[in] dev : Structure instance of bmp3_dev
|
||
|
|
*
|
||
|
|
* @return Result of API execution status.
|
||
|
|
* @retval 0 -> Success
|
||
|
|
* @retval <0 -> Error
|
||
|
|
*/
|
||
|
|
int8_t bmp3_extract_fifo_data(struct bmp3_data *data, struct bmp3_fifo_data *fifo, struct bmp3_dev *dev);
|
||
|
|
|
||
|
|
/*!
|
||
|
|
* \ingroup bmp3ApiFIFO
|
||
|
|
* \page bmp3_api_bmp3_set_fifo_watermark bmp3_set_fifo_watermark
|
||
|
|
* \code
|
||
|
|
* int8_t bmp3_set_fifo_watermark(const struct bmp3_fifo_data *fifo,
|
||
|
|
* const struct bmp3_fifo_settings *fifo_settings,
|
||
|
|
* struct bmp3_dev *dev);
|
||
|
|
* \endcode
|
||
|
|
* @details This API sets the fifo watermark length according to the frames count
|
||
|
|
* set by the user in the device structure. Refer below for usage.
|
||
|
|
*
|
||
|
|
* @note: fifo.req_frames = 50;
|
||
|
|
*
|
||
|
|
* @param[in] fifo : Structure instance of bmp3_fifo_data
|
||
|
|
* @param[in] fifo_settings : Structure instance of bmp3_fifo_settings
|
||
|
|
* @param[in] dev : Structure instance of bmp3_dev
|
||
|
|
*
|
||
|
|
* @return Result of API execution status.
|
||
|
|
* @retval 0 -> Success
|
||
|
|
* @retval <0 -> Error
|
||
|
|
*/
|
||
|
|
int8_t bmp3_set_fifo_watermark(const struct bmp3_fifo_data *fifo,
|
||
|
|
const struct bmp3_fifo_settings *fifo_settings,
|
||
|
|
struct bmp3_dev *dev);
|
||
|
|
|
||
|
|
/*!
|
||
|
|
* \ingroup bmp3ApiFIFO
|
||
|
|
* \page bmp3_api_bmp3_get_fifo_watermark bmp3_get_fifo_watermark
|
||
|
|
* \code
|
||
|
|
* int8_t bmp3_get_fifo_watermark(uint16_t *watermark_len, struct bmp3_dev *dev);
|
||
|
|
* \endcode
|
||
|
|
* @details This API gets the fifo watermark length according to the frames count
|
||
|
|
* set by the user in the device structure
|
||
|
|
*
|
||
|
|
* @param[in] watermark_len : Watermark level value
|
||
|
|
* @param[in] dev : Structure instance of bmp3_dev
|
||
|
|
*
|
||
|
|
* @return Result of API execution status.
|
||
|
|
* @retval 0 -> Success
|
||
|
|
* @retval <0 -> Error
|
||
|
|
*/
|
||
|
|
int8_t bmp3_get_fifo_watermark(uint16_t *watermark_len, struct bmp3_dev *dev);
|
||
|
|
|
||
|
|
/*!
|
||
|
|
* \ingroup bmp3ApiFIFO
|
||
|
|
* \page bmp3_api_bmp3_fifo_flush bmp3_fifo_flush
|
||
|
|
* \code
|
||
|
|
* int8_t bmp3_fifo_flush(const struct bmp3_dev *dev);
|
||
|
|
* \endcode
|
||
|
|
* @details This API performs fifo flush
|
||
|
|
*
|
||
|
|
* @param[in] dev : Structure instance of bmp3_dev.
|
||
|
|
*
|
||
|
|
* @return Result of API execution status
|
||
|
|
* @retval 0 -> Success
|
||
|
|
* @retval >0 -> Warning
|
||
|
|
* @retval <0 -> Error
|
||
|
|
*/
|
||
|
|
int8_t bmp3_fifo_flush(struct bmp3_dev *dev);
|
||
|
|
|
||
|
|
/**
|
||
|
|
* \ingroup bmp3
|
||
|
|
* \defgroup bmp3ApiStatus Sensor Status
|
||
|
|
* @brief Read status of the sensor
|
||
|
|
*/
|
||
|
|
|
||
|
|
/*!
|
||
|
|
* \ingroup bmp3ApiStatus
|
||
|
|
* \page bmp3_api_bmp3_get_status bmp3_get_status
|
||
|
|
* \code
|
||
|
|
* int8_t bmp3_get_status(struct bmp3_status *status, struct bmp3_dev *dev);
|
||
|
|
* \endcode
|
||
|
|
* @details This API gets the command ready, data ready for pressure and
|
||
|
|
* temperature and interrupt (fifo watermark, fifo full, data ready) and
|
||
|
|
* error status from the sensor.
|
||
|
|
*
|
||
|
|
* @param[out] status : Structure instance of bmp3_status
|
||
|
|
* @param[in] dev : Structure instance of bmp3_dev
|
||
|
|
*
|
||
|
|
* @return Result of API execution status.
|
||
|
|
* @retval 0 -> Success
|
||
|
|
* @retval <0 -> Error
|
||
|
|
*/
|
||
|
|
int8_t bmp3_get_status(struct bmp3_status *status, struct bmp3_dev *dev);
|
||
|
|
|
||
|
|
#ifdef __cplusplus
|
||
|
|
}
|
||
|
|
#endif /* End of CPP guard */
|
||
|
|
|
||
|
|
#endif /* _BMP3_H */
|