517 lines
19 KiB
C
517 lines
19 KiB
C
/**
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******************************************************************************
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* @file lps22hb.h
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* @author MCD Application Team
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* @brief LPS22HB header driver file
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******************************************************************************
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* @attention
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*
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* <h2><center>© Copyright (c) 2017 STMicroelectronics.
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* All rights reserved.</center></h2>
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*
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* This software component is licensed by ST under BSD 3-Clause license,
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* the "License"; You may not use this file except in compliance with the
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* License. You may obtain a copy of the License at:
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* opensource.org/licenses/BSD-3-Clause
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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 __LPS22HB__H
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#define __LPS22HB__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 "../Common/psensor.h"
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#include "../Common/tsensor.h"
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/** @addtogroup BSP
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* @{
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*/
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/** @addtogroup Component
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* @{
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*/
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/** @addtogroup LPS22HB
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* @{
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*/
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/** @defgroup LPS22HB_Exported_Macros LPS22HB Exported Macros
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* @{
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*/
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/**
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* @brief Bitfield positioning.
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*/
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#define LPS22HB_BIT(x) ((uint8_t)x)
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/**
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* @}
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*/
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/** @defgroup LPS22HB_Exported_Constants LPS22HB Exported Constants
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* @{
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*/
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/**
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* @brief Device Identification register.
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* Read
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* Default value: 0xB1
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* 7:0 This read-only register contains the device identifier that, for LPS22HB, is set to B1h.
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*/
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#define LPS22HB_WHO_AM_I_REG (uint8_t)0x0F
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/**
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* @brief Device Identification value.
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*/
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#define LPS22HB_WHO_AM_I_VAL (uint8_t)0xB1
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/**
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* @brief Reference Pressure Register(LSB data)
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* Read/write
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* Default value: 0x00
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* 7:0 REFL7-0: Lower part of the reference pressure value that
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* is sum to the sensor output pressure.
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*/
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#define LPS22HB_REF_P_XL_REG (uint8_t)0x15
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/**
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* @brief Reference Pressure Register (Middle data)
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* Read/write
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* Default value: 0x00
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* 7:0 REFL15-8: Middle part of the reference pressure value that
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* is sum to the sensor output pressure.
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*/
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#define LPS22HB_REF_P_L_REG (uint8_t)0x16
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/**
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* @brief Reference Pressure Register (MSB data)
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* Read/write
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* Default value: 0x00
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* 7:0 REFL23-16 Higest part of the reference pressure value that
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* is sum to the sensor output pressure.
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*/
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#define LPS22HB_REF_P_H_REG (uint8_t)0x17
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/**
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* @brief Pressure and temperature resolution mode Register
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* Read/write
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* Default value: 0x05
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* 7:2 These bits must be set to 0 for proper operation of the device
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* 1: Reserved
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* 0 LC_EN: Low Current Mode Enable. Default 0
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*/
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#define LPS22HB_RES_CONF_REG (uint8_t)0x1A
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#define LPS22HB_LCEN_MASK (uint8_t)0x01
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/**
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* @brief Control Register 1
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* Read/write
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* Default value: 0x00
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* 7: This bit must be set to 0 for proper operation of the device
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* 6:4 ODR2, ODR1, ODR0: output data rate selection.Default 000
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* ODR2 | ODR1 | ODR0 | Pressure output data-rate(Hz) | Pressure 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 | 10 | 10
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* 0 | 1 | 1 | 25 | 25
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* 1 | 0 | 0 | 50 | 50
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* 1 | 0 | 1 | 75 | 75
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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 EN_LPFP: Enable Low Pass filter on Pressure data. Default value:0
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* 2:LPF_CFG Low-pass configuration register. (0: Filter cutoff is ODR/9; 1: filter cutoff is ODR/20)
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* 1 BDU: block data update. 0 - continuous update; 1 - output registers not updated until MSB and LSB reading.
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* 0 SIM: SPI Serial Interface Mode selection. 0 - SPI 4-wire; 1 - SPI 3-wire
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*/
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#define LPS22HB_CTRL_REG1 (uint8_t)0x10
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#define LPS22HB_ODR_MASK (uint8_t)0x70
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#define LPS22HB_LPFP_MASK (uint8_t)0x08
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#define LPS22HB_LPFP_CUTOFF_MASK (uint8_t)0x04
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#define LPS22HB_BDU_MASK (uint8_t)0x02
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#define LPS22HB_SIM_MASK (uint8_t)0x01
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#define LPS22HB_LPFP_BIT LPS22HB_BIT(3)
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/**
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* @brief Control Register 2
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* Read/write
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* Default value: 0x10
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* 7 BOOT: Reboot memory content. 0: normal mode; 1: reboot memory content. Self-clearing upon completation
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* 6 FIFO_EN: FIFO Enable. 0: disable; 1: enable
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* 5 STOP_ON_FTH: Stop on FIFO Threshold FIFO Watermark level use. 0: disable; 1: enable
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* 4 IF_ADD_INC: Register address automatically incrementeed during a multiple byte access with a serial interface (I2C or SPI).
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* Default value 1.( 0: disable; 1: enable)
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* 3 I2C DIS: Disable I2C interface 0: I2C Enabled; 1: I2C disabled
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* 2 SWRESET: Software reset. 0: normal mode; 1: SW reset. Self-clearing upon completation
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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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*/
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#define LPS22HB_CTRL_REG2 (uint8_t)0x11
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#define LPS22HB_BOOT_BIT LPS22HB_BIT(7)
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#define LPS22HB_FIFO_EN_BIT LPS22HB_BIT(6)
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#define LPS22HB_WTM_EN_BIT LPS22HB_BIT(5)
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#define LPS22HB_ADD_INC_BIT LPS22HB_BIT(4)
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#define LPS22HB_I2C_BIT LPS22HB_BIT(3)
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#define LPS22HB_SW_RESET_BIT LPS22HB_BIT(2)
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#define LPS22HB_FIFO_EN_MASK (uint8_t)0x40
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#define LPS22HB_WTM_EN_MASK (uint8_t)0x20
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#define LPS22HB_ADD_INC_MASK (uint8_t)0x10
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#define LPS22HB_I2C_MASK (uint8_t)0x08
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#define LPS22HB_ONE_SHOT_MASK (uint8_t)0x01
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/**
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* @brief CTRL Reg3 Interrupt Control Register
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* Read/write
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* Default value: 0x00
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* 7 INT_H_L: Interrupt active high, low. 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 F_FSS5: FIFO full flag on INT_DRDY pin. Defaul value: 0. (0: Diasable; 1 : Enable).
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* 4 F_FTH: FIFO threshold (watermark) status on INT_DRDY pin. Defaul value: 0. (0: Diasable; 1 : Enable).
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* 3 F_OVR: FIFO overrun interrupt on INT_DRDY pin. Defaul value: 0. (0: Diasable; 1 : Enable).
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* 2 DRDY: Data-ready signal on INT_DRDY pin. Defaul value: 0. (0: Diasable; 1 : Enable).
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* 1:0 INT_S2, INT_S1: data signal on INT pad control bits.
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* INT_S2 | INT_S1 | INT pin
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* ------------------------------------------------------
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* 0 | 0 | Data signal( in order of priority:PTH_DRDY or F_FTH or F_OVR_or F_FSS5
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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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*/
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#define LPS22HB_CTRL_REG3 (uint8_t)0x12
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#define LPS22HB_PP_OD_BIT LPS22HB_BIT(6)
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#define LPS22HB_FIFO_FULL_BIT LPS22HB_BIT(5)
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#define LPS22HB_FIFO_FTH_BIT LPS22HB_BIT(4)
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#define LPS22HB_FIFO_OVR_BIT LPS22HB_BIT(3)
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#define LPS22HB_DRDY_BIT LPS22HB_BIT(2)
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#define LPS22HB_INT_H_L_MASK (uint8_t)0x80
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#define LPS22HB_PP_OD_MASK (uint8_t)0x40
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#define LPS22HB_FIFO_FULL_MASK (uint8_t)0x20
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#define LPS22HB_FIFO_FTH_MASK (uint8_t)0x10
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#define LPS22HB_FIFO_OVR_MASK (uint8_t)0x08
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#define LPS22HB_DRDY_MASK (uint8_t)0x04
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#define LPS22HB_INT_S12_MASK (uint8_t)0x03
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/**
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* @brief Interrupt Differential configuration Register
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* Read/write
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* Default value: 0x00.
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* 7 AUTORIFP: AutoRifP Enable
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* 6 RESET_ARP: Reset AutoRifP function
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* 4 AUTOZERO: Autozero enabled
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* 5 RESET_AZ: Reset Autozero Function
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* 3 DIFF_EN: Interrupt generation enable
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* 2 LIR: Latch Interrupt request into INT_SOURCE register. 0 - interrupt request not latched
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* 1 - interrupt request latched
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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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*/
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#define LPS22HB_INTERRUPT_CFG_REG (uint8_t)0x0B
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#define LPS22HB_DIFF_EN_BIT LPS22HB_BIT(3)
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#define LPS22HB_LIR_BIT LPS22HB_BIT(2)
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#define LPS22HB_PLE_BIT LPS22HB_BIT(1)
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#define LPS22HB_PHE_BIT LPS22HB_BIT(0)
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#define LPS22HB_AUTORIFP_MASK (uint8_t)0x80
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#define LPS22HB_RESET_ARP_MASK (uint8_t)0x40
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#define LPS22HB_AUTOZERO_MASK (uint8_t)0x20
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#define LPS22HB_RESET_AZ_MASK (uint8_t)0x10
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#define LPS22HB_DIFF_EN_MASK (uint8_t)0x08
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#define LPS22HB_LIR_MASK (uint8_t)0x04
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#define LPS22HB_PLE_MASK (uint8_t)0x02
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#define LPS22HB_PHE_MASK (uint8_t)0x01
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/**
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* @brief Interrupt source Register (It is cleared by reading it)
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* Read
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* 7 BOOT_STATUS: If 1 indicates that the Boot (Reboot) phase is running.
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* 6:3 Reserved: Keep these bits at 0
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* 2 IA: Interrupt Active.0: no interrupt has been generated
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* 1: one or more interrupt events have been generated.
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* 1 PL: Differential pressure Low. 0: no interrupt has been generated
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* 1: Low differential pressure event has occurred.
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* 0 PH: Differential pressure High. 0: no interrupt has been generated
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* 1: High differential pressure event has occurred.
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*/
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#define LPS22HB_INTERRUPT_SOURCE_REG (uint8_t)0x25
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#define LPS22HB_BOOT_STATUS_BIT LPS22HB_BIT(7)
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#define LPS22HB_IA_BIT LPS22HB_BIT(2)
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#define LPS22HB_PL_BIT LPS22HB_BIT(1)
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#define LPS22HB_PH_BIT LPS22HB_BIT(0)
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#define LPS22HB_BOOT_STATUS_MASK (uint8_t)0x80
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#define LPS22HB_IA_MASK (uint8_t)0x04
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#define LPS22HB_PL_MASK (uint8_t)0x02
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#define LPS22HB_PH_MASK (uint8_t)0x01
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/**
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* @brief Status Register
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* Read
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* 7:6 Reserved: 0
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* 5 T_OR: Temperature data overrun. 0: no overrun has occurred
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* 1: a new data for temperature has overwritten the previous one.
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* 4 P_OR: Pressure data overrun. 0: no overrun has occurred
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* 1: new data for pressure has overwritten the previous one.
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* 3:2 Reserved: 0
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* 1 T_DA: Temperature data available. 0: new data for temperature is not yet available
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* 1: new data for temperature is available.
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* 0 P_DA: Pressure data available. 0: new data for pressure is not yet available
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* 1: new data for pressure is available.
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*/
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#define LPS22HB_STATUS_REG (uint8_t)0x27
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#define LPS22HB_TOR_BIT LPS22HB_BIT(5)
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#define LPS22HB_POR_BIT LPS22HB_BIT(4)
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#define LPS22HB_TDA_BIT LPS22HB_BIT(1)
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#define LPS22HB_PDA_BIT LPS22HB_BIT(0)
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#define LPS22HB_TOR_MASK (uint8_t)0x20
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#define LPS22HB_POR_MASK (uint8_t)0x10
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#define LPS22HB_TDA_MASK (uint8_t)0x02
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#define LPS22HB_PDA_MASK (uint8_t)0x01
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/**
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* @brief Pressure data (LSB) register.
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* Read
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* Default value: 0x00.(To be verified)
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* POUT7 - POUT0: Pressure data LSB (2's complement).
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* Pressure output data: Pout(hPA)=(PRESS_OUT_H & PRESS_OUT_L &
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* PRESS_OUT_XL)[dec]/4096.
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*/
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#define LPS22HB_PRESS_OUT_XL_REG (uint8_t)0x28
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/**
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* @brief Pressure data (Middle part) register.
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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(hPA)=(PRESS_OUT_H & PRESS_OUT_L &
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* PRESS_OUT_XL)[dec]/4096.
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*/
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#define LPS22HB_PRESS_OUT_L_REG (uint8_t)0x29
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/**
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* @brief Pressure data (MSB) register.
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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(hPA)=(PRESS_OUT_H & PRESS_OUT_L &
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* PRESS_OUT_XL)[dec]/4096.
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*/
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#define LPS22HB_PRESS_OUT_H_REG (uint8_t)0x2A
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/**
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* @brief Temperature data (LSB) register.
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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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* Tout(degC)=TEMP_OUT/100
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*/
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#define LPS22HB_TEMP_OUT_L_REG (uint8_t)0x2B
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/**
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* @brief Temperature data (MSB) register.
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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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* Tout(degC)=TEMP_OUT/100
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*/
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#define LPS22HBH_TEMP_OUT_H_REG (uint8_t)0x2C
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/**
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* @brief Threshold pressure (LSB) register.
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* Read/write
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* Default value: 0x00.
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* 7:0 THS7-THS0: LSB Threshold pressure 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(hPA)=(THS_P_H & THS_P_L)[dec]/16.
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*/
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#define LPS22HB_THS_P_LOW_REG (uint8_t)0x0C
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/**
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* @brief Threshold pressure (MSB)
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* Read/write
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* Default value: 0x00.
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* 7:0 THS15-THS8: MSB Threshold pressure. 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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*/
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#define LPS22HB_THS_P_HIGH_REG (uint8_t)0x0D
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/**
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* @brief FIFO control register
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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 for future use
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* 1 | 1 | 0 | Reserved
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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 WTM_POINT4-0 : FIFO Watermark level selection (0-31)
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*/
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#define LPS22HB_CTRL_FIFO_REG (uint8_t)0x14
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#define LPS22HB_FIFO_MODE_MASK (uint8_t)0xE0
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#define LPS22HB_WTM_POINT_MASK (uint8_t)0x1F
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/**
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* @brief FIFO Status register
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* Read
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* 7 FTH_FIFO: FIFO threshold status. 0:FIFO filling is lower than FTH level
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* 1: FIFO is equal or higher than FTH level.
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* 6 OVR: Overrun bit status. 0 - FIFO not full
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* 1 - FIFO is full and at least one sample in the FIFO has been overwritten.
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* 5:0 FSS: FIFO Stored data level. 000000: FIFO empty, 100000: FIFO is full and has 32 unread samples.
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*/
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#define LPS22HB_STATUS_FIFO_REG (uint8_t)0x26
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#define LPS22HB_FTH_FIFO_BIT LPS22HB_BIT(7)
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#define LPS22HB_OVR_FIFO_BIT LPS22HB_BIT(6)
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#define LPS22HB_FTH_FIFO_MASK (uint8_t)0x80
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#define LPS22HB_OVR_FIFO_MASK (uint8_t)0x40
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#define LPS22HB_LEVEL_FIFO_MASK (uint8_t)0x3F
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#define LPS22HB_FIFO_EMPTY (uint8_t)0x00
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#define LPS22HB_FIFO_FULL (uint8_t)0x20
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/**
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* @brief Pressure offset register (LSB)
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* Read/write
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* Default value: 0x00
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* 7:0 RPDS7-0:Pressure Offset for 1 point calibration (OPC) after soldering.
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* This register contains the low part of the pressure offset value after soldering,for
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* differential pressure computing. The complete value is given by RPDS_L & RPDS_H
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* and is expressed as signed 2 complement value.
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*/
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#define LPS22HB_RPDS_L_REG (uint8_t)0x18
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/**
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* @brief Pressure offset register (MSB)
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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 (OPC) after soldering.
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* This register contains the high part of the pressure offset value after soldering (see description RPDS_L)
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*/
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#define LPS22HB_RPDS_H_REG (uint8_t)0x19
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/**
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* @brief Clock Tree Configuration register
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* Read/write
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* Default value: 0x00
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* 7:6 Reserved.
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* 5: CTE: Clock Tree Enhancement
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*/
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#define LPS22HB_CLOCK_TREE_CONFIGURATION (uint8_t)0x43
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#define LPS22HB_CTE_MASK (uint8_t)0x20
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/**
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* @}
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*/
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/** @defgroup LPS22HB_Pressure_Exported_Functions LPS22HB Pressure Exported Functions
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* @{
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*/
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/* PRESSURE functions */
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void LPS22HB_P_Init(uint16_t DeviceAddr);
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uint8_t LPS22HB_P_ReadID(uint16_t DeviceAddr);
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float LPS22HB_P_ReadPressure(uint16_t DeviceAddr);
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/**
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* @}
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*/
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/** @defgroup HTS221_PressImported_Globals PRESSURE Imported Globals
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* @{
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*/
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/* PRESSURE driver structure */
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extern PSENSOR_DrvTypeDef LPS22HB_P_Drv;
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/**
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* @}
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*/
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/** @defgroup LPS22HB_Temperature_Exported_Functions LPS22HB Temperature Exported Functions
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* @{
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*/
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/* TEMPERATURE functions */
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void LPS22HB_T_Init(uint16_t DeviceAddr, TSENSOR_InitTypeDef *pInitStruct);
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float LPS22HB_T_ReadTemp(uint16_t DeviceAddr);
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/**
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* @}
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*/
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/** @defgroup HTS221_TempImported_Globals Temperature Imported Globals
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* @{
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*/
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/* Temperature driver structure */
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extern TSENSOR_DrvTypeDef LPS22HB_T_Drv;
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/**
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* @}
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*/
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/** @defgroup LPS22HB_Imported_Functions LPS22HB Imported Functions
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* @{
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*/
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/* IO functions */
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extern void SENSOR_IO_Init(void);
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extern void SENSOR_IO_Write(uint8_t Addr, uint8_t Reg, uint8_t Value);
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extern uint8_t SENSOR_IO_Read(uint8_t Addr, uint8_t Reg);
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extern uint16_t SENSOR_IO_ReadMultiple(uint8_t Addr, uint8_t Reg, uint8_t *Buffer, uint16_t Length);
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extern void SENSOR_IO_WriteMultiple(uint8_t Addr, uint8_t Reg, uint8_t *Buffer, uint16_t Length);
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/**
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* @}
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*/
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#ifdef __cplusplus
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}
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#endif
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#endif /* __LPS22HB__H */
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/**
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* @}
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*/
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/**
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* @}
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*/
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/**
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* @}
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*/
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/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/
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