573 lines
19 KiB
C
573 lines
19 KiB
C
/**
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******************************************************************************
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* @file lps25hb.h
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* @author MEMS Application Team
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* @version V1.0.0
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* @date 11-February-2015
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* @brief This file contains definitions for the lps25hb.c
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* firmware driver.
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******************************************************************************
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* @attention
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*
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* <h2><center>© COPYRIGHT(c) 2015 STMicroelectronics</center></h2>
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*
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* Redistribution and use in source and binary forms, with or without modification,
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* are permitted provided that the following conditions are met:
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* 1. Redistributions of source code must retain the above copyright notice,
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* this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright notice,
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* this list of conditions and the following disclaimer in the documentation
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* and/or other materials provided with the distribution.
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* 3. Neither the name of STMicroelectronics nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
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* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
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* CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
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* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*
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******************************************************************************
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*/
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/* Define to prevent recursive inclusion -------------------------------------*/
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#ifndef __LPS25HB_H
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#define __LPS25HB_H
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#ifdef __cplusplus
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extern "C" {
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#endif
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/* Includes ------------------------------------------------------------------*/
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#include "pressure.h"
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/** @addtogroup BSP
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* @{
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*/
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/** @addtogroup Components
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* @{
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*/
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/** @addtogroup LPS25HB
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* @{
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*/
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/** @defgroup LPS25HB_Exported_Defines LPS25HB_Exported_Defines
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* @{
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*/
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#ifndef NULL
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#define NULL (void *) 0
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#endif
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/******************************************************************************/
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/*************************** START REGISTER MAPPING **************************/
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/******************************************************************************/
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/**
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* @brief Reference pressure (LSB data)
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* \code
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* Read/write
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* Default value: 0x00
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* 7:0 REF7-ODR0: Lower part of the reference pressure that
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* is sum to the sensor output pressure.
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* \endcode
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*/
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#define LPS25HB_REF_P_XL_ADDR 0x08
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/**
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* @brief Reference pressure (middle part)
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* \code
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* Read/write
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* Default value: 0x00
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* 7:0 REF15-ODR8: Middle part of the reference pressure that
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* is sum to the sensor output pressure.
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* \endcode
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*/
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#define LPS25HB_REF_P_L_ADDR 0x09
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/**
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* @brief Reference pressure (MSB part)
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* \code
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* Read/write
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* Default value: 0x00
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* 7:0 REF15-ODR8: Higher part of the reference pressure that
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* is sum to the sensor output pressure.
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* \endcode
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*/
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#define LPS25HB_REF_P_H_ADDR 0x0A
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/**
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* @brief Device identifier register.
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* \code
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* Read
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* Default value: 0xBD
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* 7:0 This read-only register contains the device identifier that,
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for LPS25HB, is set to 0xCA.
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* \endcode
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*/
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#define LPS25HB_WHO_AM_I_ADDR 0x0F
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/**
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* @brief Pressure and temperature resolution mode register.
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* \code
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* Read
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* Default value: 0x05
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* [7:4] Reserved
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* [3:2] AVGP1-0: select the pressure internal average.
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* [1:0] AVGT1-0: select the temperature internal average.
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* \endcode
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*/
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#define LPS25HB_RES_CONF_ADDR 0x10
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/**
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* @brief Pressure sensor control register 1
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* \code
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* Read/write
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* Default value: 0x00
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* 7 PD: power down control. 0 - disable; 1 - enable
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* 6:4 ODR2, ODR1, ODR0: output data rate selection.
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* ODR2 | ODR1 | ODR0 | Pressure output data-rate(Hz) | Temperature output data-rate(Hz)
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* ----------------------------------------------------------------------------------
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* 0 | 0 | 0 | one shot | one shot
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* 0 | 0 | 1 | 1 | 1
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* 0 | 1 | 0 | 7 | 7
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* 0 | 1 | 1 | 12.5 | 12.5
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* 1 | 0 | 0 | 25 | 25
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* 1 | 0 | 1 | Reserved | Reserved
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* 1 | 1 | 0 | Reserved | Reserved
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* 1 | 1 | 1 | Reserved | Reserved
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*
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* 3 DIFF_EN: Interrupt circuit. 0 - disable; 1 - enable
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* 2 BDU: block data update. 0 - disable; 1 - enable
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* 1 DELTA_EN: delta pressure. 0 - disable; 1 - enable
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* 1 RESET_AZ: reset AutoZero. 0 - disable; 1 - enable ///////ALE REVIEW
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* 0 SIM: SPI Serial Interface Mode selection. 0 - SPI 4-wire; 1 - SPI 3-wire ///////ALE REVIEW
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* \endcode
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*/
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#define LPS25HB_CTRL_REG1_ADDR 0x20
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/**
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* @brief Pressure sensor control register 2
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* \code
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* Read/write
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* Default value: 0x00
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* 7 BOOT: Reboot memory content. 0: normal mode; 1: reboot memory content
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* 6 FIFO_EN: FIFO. 0: disable; 1: enable
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* 5 WTM_EN: FIFO Watermark level use. 0: disable; 1: enable
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* 4:3 Reserved. keep these bits at 0
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* 2 SWRESET: Software reset. 0: normal mode; 1: SW reset.
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* 1 AUTO_ZERO: Autozero enable. 0: normal mode; 1: autozero enable.
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* 0 ONE_SHOT: One shot enable. 0: waiting for start of conversion; 1: start for a new dataset
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* \endcode
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*/
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#define LPS25HB_CTRL_REG2_ADDR 0x21
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/**
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* @brief Pressure sensor control register 3
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* \code
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* Read/write
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* Default value: 0x00
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* 7 INT_H_L: Interrupt. 0:active high; 1: active low.
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* 6 PP_OD: Push-Pull/OpenDrain selection on interrupt pads. 0: Push-pull; 1: open drain.
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* 5 Reserved
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* 4:3 INT2_S2, INT2_S1: INT2 output signal selection control bits. // TO DO
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* 1:0 INT1_S2, INT1_S1: data signal on INT1 pad control bits.
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* INT1(2)_S2 | INT1(2)_S1 | INT1(2) pin
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* ------------------------------------------------------
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* 0 | 0 | Data signal
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* 0 | 1 | Pressure high (P_high)
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* 1 | 0 | Pressure low (P_low)
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* 1 | 1 | P_low OR P_high
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* \endcode
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*/
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#define LPS25HB_CTRL_REG3_ADDR 0x22
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/**
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* @brief Pressure sensor control register 4
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* \code
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* Read/write
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* Default value: 0x00
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* 7 P2_EMPTY: Empty Signal on INT2 pin.
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* 6 P2_WTM: Watermark Signal on INT2 pin.
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* 5 P2_Overrun:Overrun Signal on INT2 pin.
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* 4 P2_DRDY: Data Ready Signal on INT2 pin.
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* 3 P1_EMPTY: Empty Signal on INT1 pin.
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* 2 P1_WTM: Watermark Signal on INT1 pin.
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* 1 P1_Overrunn:Overrun Signal on INT1 pin.
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* 0 P1_DRDY: Data Ready Signal on INT1 pin.
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* \endcode
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*/
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#define LPS25HB_CTRL_REG4_ADDR 0x23
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/**
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* @brief Interrupt configuration Register
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* \code
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* Read/write
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* Default value: 0x00.
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* 7:3 Reserved.
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* 2 LIR: Latch Interrupt request into INT_SOURCE register. 0 - disable; 1 - enable
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* 1 PL_E: Enable interrupt generation on differential pressure low event. 0 - disable; 1 - enable
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* 0 PH_E: Enable interrupt generation on differential pressure high event. 0 - disable; 1 - enable
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* \endcode
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*/
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#define LPS25HB_INT_CFG_REG_ADDR 0x24
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/**
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* @brief Interrupt source Register
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* \code
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* Read
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* Default value: 0x00.
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* 7:3 0.
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* 2 IA: Interrupt Active.0: no interrupt has been generated; 1: one or more interrupt events have been generated.
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* 1 PL: Differential pressure Low. 0: no interrupt has been generated; 1: Low differential pressure event has occurred.
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* 0 PH: Differential pressure High. 0: no interrupt has been generated; 1: High differential pressure event has occurred.
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* \endcode
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*/
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#define LPS25HB_INT_SOURCE_REG_ADDR 0x25
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/**
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* @brief Threshold pressure (LSB)
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* \code
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* Read
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* Default value: 0x00.
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* 7:0 THS7-THS0: Low part of threshold value for pressure interrupt
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* generation. The complete threshold value is given by THS_P_H & THS_P_L and is
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* expressed as unsigned number. P_ths(mbar)=(THS_P_H & THS_P_L)[dec]/16.
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* \endcode
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*/
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#define LPS25HB_THS_P_LOW_REG_ADDR 0x30
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/**
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* @brief Threshold pressure (MSB)
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* \code
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* Read
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* Default value: 0x00.
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* 7:0 THS15-THS8: High part of threshold value for pressure interrupt
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* generation. The complete threshold value is given by THS_P_H & THS_P_L and is
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* expressed as unsigned number. P_ths(mbar)=(THS_P_H & THS_P_L)[dec]/16.
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* \endcode
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*/
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#define LPS25HB_THS_P_HIGH_REG_ADDR 0x31
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/**
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* @brief Status Register
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* \code
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* Read
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* Default value: 0x00
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* 7:6 0
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* 5 P_OR: Pressure data overrun. 0: no overrun has occurred; 1: new data for pressure has overwritten the previous one.
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* 4 T_OR: Temperature data overrun. 0: no overrun has occurred; 1: a new data for temperature has overwritten the previous one.
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* 3:2 0
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* 1 P_DA: Pressure data available. 0: new data for pressure is not yet available; 1: new data for pressure is available.
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* 0 T_DA: Temperature data available. 0: new data for temperature is not yet available; 1: new data for temperature is available.
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* \endcode
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*/
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#define LPS25HB_STATUS_REG_ADDR 0x27
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/**
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* @brief Pressure data (LSB).
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* \code
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* Read
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* Default value: 0x00.
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* POUT7 - POUT0: Pressure data LSB (2's complement).
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* Pressure output data: Pout(mbar)=(PRESS_OUT_H & PRESS_OUT_L &
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* PRESS_OUT_XL)[dec]/4096.
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* \endcode
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*/
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#define LPS25HB_PRESS_POUT_XL_ADDR 0x28
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/**
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* @brief Pressure data (Middle part).
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* \code
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* Read
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* Default value: 0x80.
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* POUT15 - POUT8: Pressure data middle part (2's complement).
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* Pressure output data: Pout(mbar)=(PRESS_OUT_H & PRESS_OUT_L &
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* PRESS_OUT_XL)[dec]/4096.
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* \endcode
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*/
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#define LPS25HB_PRESS_OUT_L_ADDR 0x29
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/**
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* @brief Pressure data (MSB).
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* \code
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* Read
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* Default value: 0x2F.
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* POUT23 - POUT16: Pressure data MSB (2's complement).
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* Pressure output data: Pout(mbar)=(PRESS_OUT_H & PRESS_OUT_L &
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* PRESS_OUT_XL)[dec]/4096.
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* \endcode
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*/
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#define LPS25HB_PRESS_OUT_H_ADDR 0x2A
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/**
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* @brief Temperature data (LSB).
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* \code
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* Read
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* Default value: 0x00.
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* TOUT7 - TOUT0: temperature data LSB.
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* T(degC) = 42.5 + (Temp_OUTH & TEMP_OUT_L)[dec]/480.
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* \endcode
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*/
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#define LPS25HB_TEMP_OUT_L_ADDR 0x2B
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/**
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* @brief Temperature data (MSB).
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* \code
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* Read
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* Default value: 0x00.
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* TOUT15 - TOUT8: temperature data MSB.
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* T(degC) = 42.5 + (Temp_OUTH & TEMP_OUT_L)[dec]/480.
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* \endcode
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*/
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#define LPS25HB_TEMP_OUT_H_ADDR 0x2C
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/**
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* @brief FIFO control register
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* \code
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* Read/write
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* Default value: 0x00
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* 7:5 F_MODE2, F_MODE1, F_MODE0: FIFO mode selection.
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* FM2 | FM1 | FM0 | FIFO MODE
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* ---------------------------------------------------
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* 0 | 0 | 0 | BYPASS MODE
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* 0 | 0 | 1 | FIFO MODE. Stops collecting data when full
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* 0 | 1 | 0 | STREAM MODE: Keep the newest measurements in the FIFO
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* 0 | 1 | 1 | STREAM MODE until trigger deasserted, then change to FIFO MODE
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* 1 | 0 | 0 | BYPASS MODE until trigger deasserted, then STREAM MODE
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* 1 | 0 | 1 | Reserved
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* 1 | 1 | 0 | FIFO_MEAN MODE: Fifo is used to generate a running average filtered pressure
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* 1 | 1 | 1 | BYPASS mode until trigger deasserted, then FIFO MODE
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*
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* 4:0 FIFO Mean Mode Sample size
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* WTM_POINT4 | WTM_POINT4 | WTM_POINT4 | WTM_POINT4 | WTM_POINT4 | Sample Size
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* ----------------------------------------------------------------------------------
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* 0 | 0 | 0 | 0 | 1 | 2
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* 0 | 0 | 0 | 1 | 1 | 4
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* 0 | 0 | 1 | 1 | 1 | 8
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* 0 | 1 | 1 | 1 | 1 | 16
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* 1 | 1 | 1 | 1 | 1 | 32
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* other values operation not guaranteed
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* \endcode
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*/
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#define LPS25HB_CTRL_FIFO_ADDR 0x2E
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/**
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* @brief FIFO Status register
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* \code
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* Read/write
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* Default value: 0x00
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* 7 WTM_FIFO: Watermark status. 0:FIFO filling is lower than watermark level; 1: FIFO is equal or higher than watermark level.
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* 6 FULL_FIFO: Overrun bit status. 0 - FIFO not full; 1 -FIFO is full.
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* 5 EMPTY_FIFO: Empty FIFO bit. 0 - FIFO not empty; 1 -FIFO is empty.
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* 4:0 DIFF_POINT4...0: FIFOsStored data level.
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* \endcode
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*/
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#define LPS25HB_STATUS_FIFO_ADDR 0x2F
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/**
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* @brief Pressure offset register
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* \code
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* Read/write
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* Default value: 0x00
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* 7:0 RPDS15...8:Pressure Offset for 1 point calibration after soldering.
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* \endcode
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*/
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#define LPS25HB_RPDS_TRIM_L_ADDR 0x39
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/**
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* @brief Pressure offset register
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* \code
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* Read/write
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* Default value: 0x00
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* 7:0 RPDS23...16:Pressure Offset for 1 point calibration after soldering.
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* \endcode
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*/
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#define LPS25HB_RPDS_TRIM_H_ADDR 0x3A
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/******************************************************************************/
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/**************************** END REGISTER MAPPING ***************************/
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/******************************************************************************/
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/**
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* @brief Multiple Byte. Mask for enabling multiple byte read/write command.
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*/
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#define LPS25HB_I2C_MULTIPLEBYTE_CMD ((uint8_t)0x80)
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/**
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* @brief Device Address
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*/
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#define LPS25HB_ADDRESS_LOW 0xB8
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#define LPS25HB_ADDRESS_HIGH 0xBA
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/**
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* @brief Device Identifier. Default value of the WHO_AM_I register.
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*/
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#define I_AM_LPS25HB ((uint8_t)0xBD)
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/** @defgroup LPS25HB_Power_Mode_Selection_CTRL_REG1 LPS25HB_Power_Mode_Selection_CTRL_REG1
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* @{
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*/
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#define LPS25HB_MODE_POWERDOWN ((uint8_t)0x00)
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#define LPS25HB_MODE_ACTIVE ((uint8_t)0x80)
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#define LPS25HB_MODE_MASK ((uint8_t)0x80)
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/**
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* @}
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*/
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/** @defgroup LPS25HB_Output_Data_Rate_Selection_CTRL_REG1 LPS25HB_Output_Data_Rate_Selection_CTRL_REG1
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* @{
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*/
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#define LPS25HB_ODR_ONE_SHOT ((uint8_t)0x00) /*!< Output Data Rate: P - one shot, T - one shot */
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#define LPS25HB_ODR_1Hz ((uint8_t)0x10) /*!< Output Data Rate: P - 1Hz, T - 1Hz */
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#define LPS25HB_ODR_7Hz ((uint8_t)0x20) /*!< Output Data Rate: P - 7Hz, T - 7Hz */
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#define LPS25HB_ODR_12_5Hz ((uint8_t)0x30) /*!< Output Data Rate: P - 12.5Hz, T - 12.5Hz */
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#define LPS25HB_ODR_25Hz ((uint8_t)0x40) /*!< Output Data Rate: P - 25Hz, T - 25Hz */
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#define LPS25HB_ODR_MASK ((uint8_t)0x70)
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/**
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* @}
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*/
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/** @defgroup LPS25HB_Interrupt_Circuit_Enable_CTRL_REG1 LPS25HB_Interrupt_Circuit_Enable_CTRL_REG1
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* @{
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*/
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#define LPS25HB_DIFF_DISABLE ((uint8_t)0x00) /*!< interrupt circuit enabled */
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#define LPS25HB_DIFF_ENABLE ((uint8_t)0x08) /*!< interrupt generation disabled */
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#define LPS25HB_DIFF_EN_MASK ((uint8_t)0x08)
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/**
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* @}
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*/
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/** @defgroup LPS25HB_Block_Data_Update_CTRL_REG1 LPS25HB_Block_Data_Update_CTRL_REG1
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* @{
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*/
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#define LPS25HB_BDU_CONT ((uint8_t)0x00) /*!< continuous update */
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#define LPS25HB_BDU_READ ((uint8_t)0x04) /*!< output registers not updated until MSB and LSB reading */
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#define LPS25HB_BDU_MASK ((uint8_t)0x04)
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/**
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* @}
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*/
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/** @defgroup LPS25HB_SPI_Serial_Interface_Mode_Selection_CTRL_REG1 LPS25HB_SPI_Serial_Interface_Mode_Selection_CTRL_REG1
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* @{
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*/
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#define LPS25HB_SPI_SIM_4W ((uint8_t)0x00) /*!< 4-wire interface */
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#define LPS25HB_SPI_SIM_3W ((uint8_t)0x01) /*!< 3-wire interface */
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#define LPS25HB_SPI_SIM_MASK ((uint8_t)0x01)
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/**
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* @}
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*/
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/** @defgroup LPS25HB_Refresh_Registers_Flash_Memory_CTRL_REG2 LPS25HB_Refresh_Registers_Flash_Memory_CTRL_REG2
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* @{
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*/
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#define LPS25HB_NORMAL_MODE ((uint8_t)0x00)
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#define LPS25HB_RESET_MEMORY ((uint8_t)0x80)
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#define LPS25HB_RESET_MEMORY_MASK ((uint8_t)0x80)
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/**
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* @}
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*/
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/** @defgroup LPS25HB_Pressure_Resolution_Selection_RES_CONF LPS25HB_Pressure_Resolution_Selection_RES_CONF
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* @{
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*/
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#define LPS25HB_P_RES_AVG_8 ((uint8_t)0x00)
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#define LPS25HB_P_RES_AVG_32 ((uint8_t)0x01)
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#define LPS25HB_P_RES_AVG_128 ((uint8_t)0x02)
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#define LPS25HB_P_RES_AVG_512 ((uint8_t)0x03)
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#define LPS25HB_P_RES_MASK ((uint8_t)0x03)
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/**
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* @}
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*/
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/** @defgroup LPS25HB_Temperature_Resolution_Selection_RES_CONF LPS25HB_Temperature_Resolution_Selection_RES_CONF
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* @{
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*/
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#define LPS25HB_T_RES_AVG_8 ((uint8_t)0x00)
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#define LPS25HB_T_RES_AVG_16 ((uint8_t)0x04)
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#define LPS25HB_T_RES_AVG_32 ((uint8_t)0x08)
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#define LPS25HB_T_RES_AVG_64 ((uint8_t)0x0C)
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#define LPS25HB_T_RES_MASK ((uint8_t)0x0C)
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/**
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* @}
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*/
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#define LPS25HB_SA0_LOW ((uint8_t)0x00)
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#define LPS25HB_SA0_HIGH ((uint8_t)0x01)
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/**
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* @}
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*/
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/** @defgroup LPS25HB_Imported_Functions LPS25HB_Imported_Functions
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* @{
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*/
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/* Pressure sensor IO functions */
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extern PRESSURE_StatusTypeDef LPS25HB_IO_Init(void);
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extern PRESSURE_StatusTypeDef LPS25HB_IO_Write(uint8_t* pBuffer, uint8_t DeviceAddr, uint8_t RegisterAddr,
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uint16_t NumByteToWrite);
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extern PRESSURE_StatusTypeDef LPS25HB_IO_Read(uint8_t* pBuffer, uint8_t DeviceAddr, uint8_t RegisterAddr,
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uint16_t NumByteToRead);
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extern void LPS25HB_IO_ITConfig( void );
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/**
|
|
* @}
|
|
*/
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|
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/* ------------------------------------------------------- */
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|
/* Here you should declare the internal struct of */
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|
/* extended features of LPS25HB. See the example of */
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/* LSM6DS3 in lsm6ds3.h */
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/* ------------------------------------------------------- */
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|
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/** @addtogroup LPS25HB_Exported_Variables LPS25HB_Exported_Variables
|
|
* @{
|
|
*/
|
|
/* Pressure sensor driver structure */
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|
extern PRESSURE_DrvTypeDef LPS25HBDrv;
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|
extern PRESSURE_DrvExtTypeDef LPS25HBDrv_ext;
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|
|
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/**
|
|
* @}
|
|
*/
|
|
|
|
/**
|
|
* @}
|
|
*/
|
|
|
|
/**
|
|
* @}
|
|
*/
|
|
|
|
/**
|
|
* @}
|
|
*/
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|
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|
#ifdef __cplusplus
|
|
}
|
|
#endif
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|
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#endif /* __LPS25HB_H */
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/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/
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