From f9ffb72f681232ae26c9c6ebaa489e6e3a465823 Mon Sep 17 00:00:00 2001 From: Rocco Marco Guglielmi Date: Sun, 25 Sep 2016 18:14:04 +0000 Subject: Added support for LPS25H. git-svn-id: svn://svn.code.sf.net/p/chibios/svn/trunk@9797 35acf78f-673a-0410-8e92-d51de3d6d3f4 --- os/ex/ST/lps25h.c | 318 +++++++++++++++++++++++++++++++++++++ os/ex/ST/lps25h.h | 456 +++++++++++++++++++++++++++++++++++++++++++++++++++++ os/ex/ST/lps25h.mk | 6 + 3 files changed, 780 insertions(+) create mode 100644 os/ex/ST/lps25h.c create mode 100644 os/ex/ST/lps25h.h create mode 100644 os/ex/ST/lps25h.mk (limited to 'os') diff --git a/os/ex/ST/lps25h.c b/os/ex/ST/lps25h.c new file mode 100644 index 000000000..28c00816c --- /dev/null +++ b/os/ex/ST/lps25h.c @@ -0,0 +1,318 @@ +/* + ChibiOS - Copyright (C) 2016 Rocco Marco Guglielmi + + This file is part of ChibiOS. + + ChibiOS is free software; you can redistribute it and/or modify + it under the terms of the GNU General Public License as published by + the Free Software Foundation; either version 3 of the License, or + (at your option) any later version. + + ChibiOS is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + GNU General Public License for more details. + + You should have received a copy of the GNU General Public License + along with this program. If not, see . + +*/ + +/** + * @file lps25h.c + * @brief LPS25H MEMS interface module code. + * + * @addtogroup lps25h + * @{ + */ + +#include "hal.h" +#include "lps25h.h" + +/*===========================================================================*/ +/* Driver local definitions. */ +/*===========================================================================*/ + +/*===========================================================================*/ +/* Driver exported variables. */ +/*===========================================================================*/ + +/*===========================================================================*/ +/* Driver local variables and types. */ +/*===========================================================================*/ + +/*===========================================================================*/ +/* Driver local functions. */ +/*===========================================================================*/ + +#if (LPS25H_USE_I2C) || defined(__DOXYGEN__) +/** + * @brief Reads registers value using I2C. + * @pre The I2C interface must be initialized and the driver started. + * + * @param[in] i2cp pointer to the I2C interface + * @param[in] sad slave address without R bit + * @param[in] reg first sub-register address + * @return the read value. + */ +uint8_t lps25hI2CReadRegister(I2CDriver *i2cp, lps25h_sad_t sad, uint8_t reg, + msg_t* msgp) { + msg_t msg; + uint8_t rxbuf; + msg = i2cMasterTransmitTimeout(i2cp, sad, ®, 1, &rxbuf, 1, + TIME_INFINITE); + if(msgp != NULL){ + *msgp = msg; + } + return rxbuf; +} + +/** + * @brief Writes a value into a register using I2C. + * @pre The I2C interface must be initialized and the driver started. + * + * @param[in] i2cp pointer to the I2C interface + * @param[in] sad slave address without R bit + * @param[in] sub sub-register address + * @param[in] value the value to be written + * @return the operation status. + */ +msg_t lps25hI2CWriteRegister(I2CDriver *i2cp, lps25h_sad_t sad, uint8_t reg, + uint8_t value) { + uint8_t txbuf[2]; + txbuf[0] = reg; + txbuf[1] = value; + return i2cMasterTransmitTimeout(i2cp, sad, txbuf, 2, NULL, 0, TIME_INFINITE); +} +#endif /* LPS25H_USE_I2C */ + +/* + * Interface implementation. + */ +static size_t get_axes_number(void *ip) { + + osalDbgCheck(ip != NULL); + return LPS25H_NUMBER_OF_AXES; +} + +static msg_t read_raw(void *ip, int32_t* axis) { + int32_t tmp; + msg_t msg = MSG_OK; + osalDbgCheck((ip != NULL) && (axis != NULL)); + osalDbgAssert((((LPS25HDriver *)ip)->state == LPS25H_READY), + "read_raw(), invalid state"); + +#if LPS25H_USE_I2C + osalDbgAssert((((LPS25HDriver *)ip)->config->i2cp->state == I2C_READY), + "read_raw(), channel not ready"); +#if LPS25H_SHARED_I2C + i2cAcquireBus(((LPS25HDriver *)ip)->config->i2cp); + i2cStart(((LPS25HDriver *)ip)->config->i2cp, + ((LPS25HDriver *)ip)->config->i2ccfg); +#endif /* LPS25H_SHARED_I2C */ + tmp = lps25hI2CReadRegister(((LPS25HDriver *)ip)->config->i2cp, + ((LPS25HDriver *)ip)->config->slaveaddress, + LPS25H_AD_PRESS_OUT_XL, NULL); + if (msg != MSG_OK) + return msg; + tmp += lps25hI2CReadRegister(((LPS25HDriver *)ip)->config->i2cp, + ((LPS25HDriver *)ip)->config->slaveaddress, + LPS25H_AD_PRESS_OUT_L, NULL) << 8; + if (msg != MSG_OK) + return msg; + tmp += lps25hI2CReadRegister(((LPS25HDriver *)ip)->config->i2cp, + ((LPS25HDriver *)ip)->config->slaveaddress, + LPS25H_AD_PRESS_OUT_H, NULL) << 16; + if (msg != MSG_OK) + return msg; + *axis = (int32_t)tmp; + + +#if LPS25H_SHARED_I2C + i2cReleaseBus(((LPS25HDriver *)ip)->config->i2cp); +#endif /* LPS25H_SHARED_I2C */ +#endif /* LPS25H_USE_I2C */ + return MSG_OK; +} + +static msg_t read_cooked(void *ip, float* axis) { + int32_t raw; + msg_t msg; + + osalDbgCheck((ip != NULL) && (axis != NULL)); + + osalDbgAssert((((LPS25HDriver *)ip)->state == LPS25H_READY), + "read_cooked(), invalid state"); + + msg = read_raw(ip, &raw); + + *axis = raw / ((LPS25HDriver *)ip)->sensitivity; + *axis -= ((LPS25HDriver *)ip)->bias; + return msg; +} + + +static msg_t set_bias(void *ip, int32_t *bp) { + osalDbgCheck((ip != NULL) && (bp != NULL)); + + osalDbgAssert((((LPS25HDriver *)ip)->state == LPS25H_READY) || + (((LPS25HDriver *)ip)->state == LPS25H_STOP), + "set_bias(), invalid state"); + + ((LPS25HDriver *)ip)->bias = *bp; + return MSG_OK; +} + +static msg_t reset_bias(void *ip) { + osalDbgCheck(ip != NULL); + + osalDbgAssert((((LPS25HDriver *)ip)->state == LPS25H_READY) || + (((LPS25HDriver *)ip)->state == LPS25H_STOP), + "reset_bias(), invalid state"); + + ((LPS25HDriver *)ip)->bias = 0; + return MSG_OK; +} + + +static msg_t set_sensivity(void *ip, float *sp) { + + osalDbgCheck((ip != NULL) && (sp !=NULL)); + + osalDbgAssert((((LPS25HDriver *)ip)->state == LPS25H_READY), + "set_sensivity(), invalid state"); + + ((LPS25HDriver *)ip)->sensitivity = *sp; + return MSG_OK; +} + +static msg_t reset_sensivity(void *ip) { + + osalDbgCheck(ip != NULL); + + osalDbgAssert((((LPS25HDriver *)ip)->state == LPS25H_READY), + "reset_sensivity(), invalid state"); + + ((LPS25HDriver *)ip)->sensitivity = LPS25H_SENS; + return MSG_OK; +} + +static const struct BaseSensorVMT vmt_basesensor = { + get_axes_number, read_raw, read_cooked +}; + +static const struct BaseBarometerVMT vmt_basebarometer = { + get_axes_number, read_raw, read_cooked, + set_bias, reset_bias, set_sensivity, reset_sensivity +}; + +/*===========================================================================*/ +/* Driver exported functions. */ +/*===========================================================================*/ + +/** + * @brief Initializes an instance. + * + * @param[out] devp pointer to the @p LPS25HDriver object + * + * @init + */ +void lps25hObjectInit(LPS25HDriver *devp) { + + devp->vmt_basesensor = &vmt_basesensor; + devp->vmt_basebarometer = &vmt_basebarometer; + devp->config = NULL; + devp->bias = 0; + devp->state = LPS25H_STOP; +} + +/** + * @brief Configures and activates LPS25H Complex Driver peripheral. + * + * @param[in] devp pointer to the @p LPS25HDriver object + * @param[in] config pointer to the @p LPS25HConfig object + * + * @api + */ +void lps25hStart(LPS25HDriver *devp, const LPS25HConfig *config) { + uint8_t cr; + osalDbgCheck((devp != NULL) && (config != NULL)); + + osalDbgAssert((devp->state == LPS25H_STOP) || (devp->state == LPS25H_READY), + "lps25hStart(), invalid state"); + + devp->config = config; + +#if LPS25H_USE_I2C +#if LPS25H_SHARED_I2C + i2cAcquireBus((devp)->config->i2cp); +#endif /* LPS25H_SHARED_I2C */ + i2cStart((devp)->config->i2cp, + (devp)->config->i2ccfg); + + /* Control register 1 configuration block.*/ + { + cr = devp->config->outputdatarate | LPS25H_CTRL_REG1_PD; +#if LPS25H_USE_ADVANCED || defined(__DOXYGEN__) + cr |= devp->config->blockdataupdate; + +#endif + lps25hI2CWriteRegister(devp->config->i2cp, devp->config->slaveaddress, + LPS25H_AD_CTRL_REG1, cr); + } + + /* Control register 1 configuration block.*/ + { + cr = 0x05; +#if LPS25H_USE_ADVANCED || defined(__DOXYGEN__) + cr = devp->config->respressure | devp->config->restemperature; + +#endif + lps25hI2CWriteRegister(devp->config->i2cp, devp->config->slaveaddress, + LPS25H_AD_RES_CONF, cr); + } + +#if LPS25H_SHARED_I2C + i2cReleaseBus((devp)->config->i2cp); +#endif /* LPS25H_SHARED_I2C */ +#endif /* LPS25H_USE_I2C */ + /* Storing sensitivity information according to full scale value */ + devp->sensitivity = LPS25H_SENS; + /* This is the Barometer transient recovery time */ + osalThreadSleepMilliseconds(5); + + devp->state = LPS25H_READY; +} + +/** + * @brief Deactivates the LPS25H Complex Driver peripheral. + * + * @param[in] devp pointer to the @p LPS25HDriver object + * + * @api + */ +void lps25hStop(LPS25HDriver *devp) { + + osalDbgCheck(devp != NULL); + + osalDbgAssert((devp->state == LPS25H_STOP) || (devp->state == LPS25H_READY), + "lps25hStop(), invalid state"); + +#if (LPS25H_USE_I2C) + if (devp->state == LPS25H_STOP) { +#if LPS25H_SHARED_I2C + i2cAcquireBus((devp)->config->i2cp); + i2cStart((devp)->config->i2cp, + (devp)->config->i2ccfg); +#endif /* LPS25H_SHARED_I2C */ + lps25hI2CWriteRegister(devp->config->i2cp, devp->config->slaveaddress, + LPS25H_AD_CTRL_REG1, 0); + i2cStop((devp)->config->i2cp); +#if LPS25H_SHARED_I2C + i2cReleaseBus((devp)->config->i2cp); +#endif /* LPS25H_SHARED_I2C */ + } +#endif /* LPS25H_USE_I2C */ + devp->state = LPS25H_STOP; +} +/** @} */ diff --git a/os/ex/ST/lps25h.h b/os/ex/ST/lps25h.h new file mode 100644 index 000000000..7cffb881d --- /dev/null +++ b/os/ex/ST/lps25h.h @@ -0,0 +1,456 @@ +/* + ChibiOS - Copyright (C) 2016 Rocco Marco Guglielmi + + This file is part of ChibiOS. + + ChibiOS is free software; you can redistribute it and/or modify + it under the terms of the GNU General Public License as published by + the Free Software Foundation; either version 3 of the License, or + (at your option) any later version. + + ChibiOS is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + GNU General Public License for more details. + + You should have received a copy of the GNU General Public License + along with this program. If not, see . + +*/ + +/** + * @file lps25h.h + * @brief LPS25H MEMS interface module header. + * + * @{ + */ +#ifndef _LPS25H_H_ +#define _LPS25H_H_ + +#include "hal_barometer.h" + +/*===========================================================================*/ +/* Driver constants. */ +/*===========================================================================*/ + +/** + * @name Version identification + * @{ + */ +/** + * @brief LPS25H driver version string. + */ +#define EX_LPS25H_VERSION "1.0.0" + +/** + * @brief LPS25H driver version major number. + */ +#define EX_LPS25H_MAJOR 1 + +/** + * @brief LPS25H driver version minor number. + */ +#define EX_LPS25H_MINOR 0 + +/** + * @brief LPS25H driver version patch number. + */ +#define EX_LPS25H_PATCH 0 +/** @} */ + +/** + * @brief LPS25H characteristics. + * + * @{ + */ +#define LPS25H_NUMBER_OF_AXES 1U + +#define LPS25H_SENS 4096.0f /**< LSB/hPa */ +/** @} */ + +/** + * @name LPS25H communication interfaces related bit masks + * @{ + */ +#define LPS25H_DI_MASK 0xFF /**< Data In mask */ +#define LPS25H_DI(n) (1 << n) /**< Data In bit n */ +#define LPS25H_AD_MASK 0x3F /**< Address Data mask */ +#define LPS25H_AD(n) (1 << n) /**< Address Data bit n */ +#define LPS25H_MS (1 << 6) /**< Multiple read write */ +#define LPS25H_RW (1 << 7) /**< Read Write selector */ + +#define LPS25H_SUB_MS (1 << 7) /**< Multiple read write in I2C mode */ +/** @} */ + +/** + * @name LPS25H register addresses + * @{ + */ +#define LPS25H_AD_REF_P_XL 0x08 +#define LPS25H_AD_REF_P_L 0x09 +#define LPS25H_AD_REF_P_H 0x0A +#define LPS25H_AD_WHO_AM_I 0x0F +#define LPS25H_AD_RES_CONF 0x10 +#define LPS25H_AD_CTRL_REG1 0x20 +#define LPS25H_AD_CTRL_REG2 0x21 +#define LPS25H_AD_CTRL_REG3 0x22 +#define LPS25H_AD_CTRL_REG4 0x23 +#define LPS25H_AD_INT_CFG 0x24 +#define LPS25H_AD_INT_SRC 0x25 +#define LPS25H_AD_STATUS_REG 0x27 +#define LPS25H_AD_CTRL_REG5 0x24 +#define LPS25H_AD_REFERENCE 0x25 +#define LPS25H_AD_OUT_TEMP 0x26 +#define LPS25H_AD_PRESS_OUT_XL 0x28 +#define LPS25H_AD_PRESS_OUT_L 0x29 +#define LPS25H_AD_PRESS_OUT_H 0x2A +#define LPS25H_AD_TEMP_OUT_L 0x2B +#define LPS25H_AD_TEMP_OUT_H 0x2C +#define LPS25H_AD_FIFO_CTRL 0x2E +#define LPS25H_AD_FIFO_SRC 0x2F +#define LPS25H_AD_THS_P_L 0x30 +#define LPS25H_AD_THS_P_H 0x31 +#define LPS25H_AD_RPDS_L 0x39 +#define LPS25H_AD_RPDS_H 0x3A +/** @} */ + +/** + * @name LPS25H_CTRL_REG1 register bits definitions + * @{ + */ +#define LPS25H_CTRL_REG1_MASK 0xFF +#define LPS25H_CTRL_REG1_SIM (1 << 0) +#define LPS25H_CTRL_REG1_RESET_AZ (1 << 1) +#define LPS25H_CTRL_REG1_BDU (1 << 2) +#define LPS25H_CTRL_REG1_DIFF_EN (1 << 3) +#define LPS25H_CTRL_REG1_ODR0 (1 << 4) +#define LPS25H_CTRL_REG1_ODR1 (1 << 5) +#define LPS25H_CTRL_REG1_ODR2 (1 << 6) +#define LPS25H_CTRL_REG1_PD (1 << 7) +/** @} */ + +/** + * @name LPS25H_CTRL_REG2 register bits definitions + * @{ + */ +#define LPS25H_CTRL_REG2_MASK 0xF3 +#define LPS25H_CTRL_REG2_ONE_SHOT (1 << 0) +#define LPS25H_CTRL_REG2_AUTO_ZERO (1 << 1) +#define LPS25H_CTRL_REG2_SWRESET (1 << 2) +#define LPS25H_CTRL_REG2_FIFO_MEAN_DEC (1 << 4) +#define LPS25H_CTRL_REG2_WTM_EN (1 << 5) +#define LPS25H_CTRL_REG2_FIFO_EN (1 << 6) +#define LPS25H_CTRL_REG2_BOOT (1 << 7) +/** @} */ + +/** + * @name LPS25H_CTRL_REG3 register bits definitions + * @{ + */ +#define LPS25H_CTRL_REG3_MASK 0xC3 +#define LPS25H_CTRL_REG3_INT_S1 (1 << 0) +#define LPS25H_CTRL_REG3_INT_S2 (1 << 1) +#define LPS25H_CTRL_REG3_PP_OD (1 << 6) +#define LPS25H_CTRL_REG3_INT_H_L (1 << 7) +/** @} */ + +/** + * @name LPS25H_CTRL_REG4 register bits definitions + * @{ + */ +#define LPS25H_CTRL_REG4_MASK 0x0F +#define LPS25H_CTRL_REG4_P1_DRDY (1 << 0) +#define LPS25H_CTRL_REG4_P1_OVERRUN (1 << 1) +#define LPS25H_CTRL_REG4_P1_WTM (1 << 2) +#define LPS25H_CTRL_REG4_P1_EMPTY (1 << 3) +/** @} */ + +/** + * @name LPS25H_INT1_CFG register bits definitions + * @{ + */ +#define LPS25H_INT1_CFG_MASK 0x07 +#define LPS25H_INT1_CFG_PH_E (1 << 0) +#define LPS25H_INT1_CFG_PL_E (1 << 1) +#define LPS25H_INT1_CFG_LIR (1 << 2) +/** @} */ + +/** + * @name LPS25H_INT1_SRC register bits definitions + * @{ + */ +#define LPS25H_INT1_SRC_MASK 0x07 +#define LPS25H_INT1_SRC_PH (1 << 0) +#define LPS25H_INT1_SRC_PL (1 << 1) +#define LPS25H_INT1_SRC_IA (1 << 2) +/** @} */ + +/*===========================================================================*/ +/* Driver pre-compile time settings. */ +/*===========================================================================*/ + +/** + * @name Configuration options + * @{ + */ +/** + * @brief LPS25H SPI interface switch. + * @details If set to @p TRUE the support for SPI is included. + * @note The default is @p FALSE. + */ +#if !defined(LPS25H_USE_SPI) || defined(__DOXYGEN__) +#define LPS25H_USE_SPI FALSE +#endif + +/** + * @brief LPS25H I2C interface switch. + * @details If set to @p TRUE the support for I2C is included. + * @note The default is @p FALSE. + */ +#if !defined(LPS25H_USE_I2C) || defined(__DOXYGEN__) +#define LPS25H_USE_I2C TRUE +#endif + +/** + * @brief LPS25H advanced configurations switch. + * @details If set to @p TRUE more configurations are available. + * @note The default is @p FALSE. + */ +#if !defined(LPS25H_USE_ADVANCED) || defined(__DOXYGEN__) +#define LPS25H_USE_ADVANCED FALSE +#endif + +/** + * @brief LPS25H shared I2C switch. + * @details If set to @p TRUE the device acquires I2C bus ownership + * on each transaction. + * @note The default is @p FALSE. Requires I2C_USE_MUTUAL_EXCLUSION + */ +#if !defined(LPS25H_SHARED_SPI) || defined(__DOXYGEN__) +#define LPS25H_SHARED_I2C FALSE +#endif +/** @} */ + +/*===========================================================================*/ +/* Derived constants and error checks. */ +/*===========================================================================*/ + +#if !(LPS25H_USE_SPI ^ LPS25H_USE_I2C) +#error "LPS25H_USE_SPI and LPS25H_USE_I2C cannot be both true or both false" +#endif + +#if LPS25H_USE_SPI && !HAL_USE_SPI +#error "LPS25H_USE_SPI requires HAL_USE_SPI" +#endif + +#if LPS25H_USE_SPI +#error "LPS25H over SPI still not supported" +#endif + +#if LPS25H_USE_I2C && !HAL_USE_I2C +#error "LPS25H_USE_I2C requires HAL_USE_I2C" +#endif + +#if LPS25H_SHARED_I2C && !I2C_USE_MUTUAL_EXCLUSION +#error "LPS25H_SHARED_I2C requires I2C_USE_MUTUAL_EXCLUSION" +#endif + +/* + * TODO: Add SPI support. + */ + +/*===========================================================================*/ +/* Driver data structures and types. */ +/*===========================================================================*/ + +/** + * @name LPS25H data structures and types. + * @{ + */ +/** + * @brief LPS25H slave address + */ +typedef enum { + LPS25H_SAD_GND = 0x5C, /**< Slave Address when SA0 is to GND */ + LPS25H_SAD_VCC = 0x5D /**< Slave Address when SA0 is to VCC */ +}lps25h_sad_t; + +/** + * @brief LPS25H output data rate and bandwidth. + */ +typedef enum { + LPS25H_ODR_ONE_SHOT = 0x00, /**< One shot. */ + LPS25H_ODR_1HZ = 0x10, /**< Output data rate 1 Hz. */ + LPS25H_ODR_7HZ = 0x20, /**< Output data rate 7 Hz. */ + LPS25H_ODR_12P5HZ = 0x30, /**< Output data rate 12.5 Hz. */ + LPS25H_ODR_25HZ = 0x40 /**< Output data rate 25 Hz. */ +}lps25h_odr_t; + +/** + * @brief LPS25H pressure resolution. + */ +typedef enum { + LPS25H_AVGP_8 = 0x00, /**< Number of internal average is 8. */ + LPS25H_AVGP_32 = 0x01, /**< Number of internal average is 8. */ + LPS25H_AVGP_128 = 0x02, /**< Number of internal average is 8. */ + LPS25H_AVGP_512 = 0x03, /**< Number of internal average is 8. */ +}lps25h_avgp_t; + +/** + * @brief LPS25H temperature resolution. + */ +typedef enum { + LPS25H_AVGT_8 = 0x00, /**< Number of internal average is 8. */ + LPS25H_AVGT_32 = 0x04, /**< Number of internal average is 8. */ + LPS25H_AVGT_128 = 0x08, /**< Number of internal average is 8. */ + LPS25H_AVGT_512 = 0x0C, /**< Number of internal average is 8. */ +}lps25h_avgt_t; + +/** + * @brief LPS25H block data update. + */ +typedef enum { + LPS25H_BDU_CONTINUOUS = 0x00, /**< Block data continuously updated. */ + LPS25H_BDU_BLOCKED = 0x40 /**< Block data updated after reading. */ +}lps25h_bdu_t; + +/** + * @brief Driver state machine possible states. + */ +typedef enum { + LPS25H_UNINIT = 0, /**< Not initialized. */ + LPS25H_STOP = 1, /**< Stopped. */ + LPS25H_READY = 2, /**< Ready. */ +} lps25h_state_t; + +/** + * @brief LPS25H configuration structure. + */ +typedef struct { + +#if LPS25H_USE_SPI || defined(__DOXYGEN__) + /** + * @brief SPI driver associated to this LPS25H. + */ + SPIDriver *spip; + /** + * @brief SPI configuration associated to this LPS25H. + */ + const SPIConfig *spicfg; +#endif /* LPS25H_USE_SPI */ +#if LPS25H_USE_I2C || defined(__DOXYGEN__) + /** + * @brief I2C driver associated to this LPS25H. + */ + I2CDriver *i2cp; + /** + * @brief I2C configuration associated to this LPS25H. + */ + const I2CConfig *i2ccfg; +#endif /* LPS25H_USE_I2C */ + /** + * @brief LPS25H initial sensitivity. + */ + float sensitivity; + /** + * @brief LPS25H initial bias. + */ + float bias; + /** + * @brief LPS25H slave address + */ + lps25h_sad_t slaveaddress; + /** + * @brief LPS25H output data rate selection. + */ + lps25h_odr_t outputdatarate; +#if LPS25H_USE_ADVANCED || defined(__DOXYGEN__) + /** + * @brief LPS25H block data update. + */ + lps25h_bdu_t blockdataupdate; + /** + * @brief LPS25H pressure resolution. + */ + lps25h_avgp_t respressure; + /** + * @brief LPS25H temperature resolution. + */ + lps25h_avgt_t restemperature; +#endif +} LPS25HConfig; + +/** + * @brief Structure representing a LPS25H driver. + */ +typedef struct LPS25HDriver LPS25HDriver; + +/** + * @brief @p LPS25H specific methods. + */ +#define _lps25h_methods \ + _base_barometer_methods + +/** + * @extends BaseGyroscopeVMT + * + * @brief @p LPS25H virtual methods table. + */ +struct LPS25HVMT { + _lps25h_methods +}; + +/** + * @brief @p LPS25HDriver specific data. + */ +#define _lps25h_data \ + _base_barometer_data \ + /* Driver state.*/ \ + lps25h_state_t state; \ + /* Current configuration data.*/ \ + const LPS25HConfig *config; \ + /* Current sensitivity data.*/ \ + float sensitivity; \ + /* Current Bias data.*/ \ + float bias; + +/** + * @extends BaseGyroscope + * + * @brief LPS25H 3-axis barometer class. + * @details This class extends @p BaseGyroscope by adding physical + * driver implementation. + */ +struct LPS25HDriver { + /** @brief BaseSensor Virtual Methods Table. */ + const struct BaseSensorVMT *vmt_basesensor; + /** @brief BaseBarometer Virtual Methods Table. */ + const struct BaseBarometerVMT *vmt_basebarometer; + /** @brief LPS25H Virtual Methods Table. */ + const struct LPS25HVMT *vmt_lps25h; + _lps25h_data +}; +/** @} */ + +/*===========================================================================*/ +/* Driver macros. */ +/*===========================================================================*/ + +/*===========================================================================*/ +/* External declarations. */ +/*===========================================================================*/ + +#ifdef __cplusplus +extern "C" { +#endif + void lps25hObjectInit(LPS25HDriver *devp); + void lps25hStart(LPS25HDriver *devp, const LPS25HConfig *config); + void lps25hStop(LPS25HDriver *devp); +#ifdef __cplusplus +} +#endif + +#endif /* _LPS25H_H_ */ + +/** @} */ + diff --git a/os/ex/ST/lps25h.mk b/os/ex/ST/lps25h.mk new file mode 100644 index 000000000..1d8d6ec8d --- /dev/null +++ b/os/ex/ST/lps25h.mk @@ -0,0 +1,6 @@ +# List of all the LPS25H device files. +LPS25HSRC := $(CHIBIOS)/os/ex/ST/lps25h.c + +# Required include directories +LPS25HINC := $(CHIBIOS)/os/hal/lib/peripherals/sensors \ + $(CHIBIOS)/os/ex/ST \ No newline at end of file -- cgit v1.2.3