/** ****************************************************************************** * @file lps25hb.h * @author MEMS Application Team * @version V1.0.0 * @date 11-February-2015 * @brief This file contains definitions for the lps25hb.c * firmware driver. ****************************************************************************** * @attention * *

© COPYRIGHT(c) 2015 STMicroelectronics

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