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/*
* Copyright (c) 2015, Freescale Semiconductor, Inc.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without modification,
* are permitted provided that the following conditions are met:
*
* o Redistributions of source code must retain the above copyright notice, this list
* of conditions and the following disclaimer.
*
* o 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.
*
* o Neither the name of Freescale Semiconductor, Inc. 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.
*/
#ifndef __MPL3115_H__
#define __MPL3115_H__
#include <stdint.h>
#include <stdbool.h>
/*!
* @addtogroup mpl3115
* @{
*/
/*******************************************************************************
* Definitions
******************************************************************************/
/*! @brief MPL3115 I2C address. */
#define MPL3115_ADDRESS (0x60)
/*! @brief MPL3115 device ID number. */
#define MPL3115_DEVICE_ID (0xC4)
/*! @briefRegister address Definitions. */
#define MPL3115_STATUS (0x00)
#define MPL3115_OUT_P_MSB (0x01)
#define MPL3115_OUT_P_CSB (0x02)
#define MPL3115_OUT_P_LSB (0x03)
#define MPL3115_OUT_T_MSB (0x04)
#define MPL3115_OUT_T_LSB (0x05)
#define MPL3115_DR_STATUS (0x06)
#define MPL3115_OUT_P_DELTA_MSB (0x07)
#define MPL3115_OUT_P_DELTA_CSB (0x08)
#define MPL3115_OUT_P_DELTA_LSB (0x09)
#define MPL3115_OUT_T_DELTA_MSB (0x0A)
#define MPL3115_OUT_T_DELTA_LSB (0x0B)
#define MPL3115_WHO_AM_I (0x0C)
#define MPL3115_F_STATUS (0x0D)
#define MPL3115_F_DATA (0x0E)
#define MPL3115_F_SETUP (0x0F)
#define MPL3115_TIME_DLY (0x10)
#define MPL3115_SYSMOD (0x11)
#define MPL3115_INT_SOURCE (0x12)
#define MPL3115_PT_DATA_CFG (0x13)
#define MPL3115_BAR_IN_MSB (0x14)
#define MPL3115_BAR_IN_LSB (0x15)
#define MPL3115_P_TGT_MSB (0x16)
#define MPL3115_P_TGT_LSB (0x17)
#define MPL3115_T_TGT (0x18)
#define MPL3115_P_WND_MSB (0x19)
#define MPL3115_P_WND_LSB (0x1A)
#define MPL3115_T_WND (0x1B)
#define MPL3115_P_MIN_MSB (0x1C)
#define MPL3115_P_MIN_CSB (0x1D)
#define MPL3115_P_MIN_LSB (0x1E)
#define MPL3115_T_MIN_MSB (0x1F)
#define MPL3115_T_MIN_LSB (0x20)
#define MPL3115_P_MAX_MSB (0x21)
#define MPL3115_P_MAX_CSB (0x22)
#define MPL3115_P_MAX_LSB (0x23)
#define MPL3115_T_MAX_MSB (0x24)
#define MPL3115_T_MAX_LSB (0x25)
#define MPL3115_CTRL_REG1 (0x26)
#define MPL3115_CTRL_REG2 (0x27)
#define MPL3115_CTRL_REG3 (0x28)
#define MPL3115_CTRL_REG4 (0x29)
#define MPL3115_CTRL_REG5 (0x2A)
#define MPL3115_OFF_P (0x2B)
#define MPL3115_OFF_T (0x2C)
#define MPL3115_OFF_H (0x2D)
/*
* Field Definitions.
*/
/*! @brief mpl3115 Altimeter/Barometer selection. */
typedef enum _mpl3115_output_format_cfg
{
mpl3115OutputFormatAltimeter = 0x80,
mpl3115OutputFormatBarometer = 0x0
} mpl3115_output_format_cfg_t;
/*! @brief mpl3115 raw data output without digital data processing selection. */
typedef enum _mpl3115_output_mode_cfg
{
mpl3115OutputModeRaw = 0x40,
mpl3115OutputModeNormal = 0x0
} mpl3115_output_mode_cfg_t;
/*! @brief mpl3115 oversample ratio selection. */
typedef enum _mpl3115_oversample_cfg
{
mpl3115OverSampleX1 = 0x0 << 3,
mpl3115OverSampleX2 = 0x1 << 3,
mpl3115OverSampleX4 = 0x2 << 3,
mpl3115OverSampleX8 = 0x3 << 3,
mpl3115OverSampleX16 = 0x4 << 3,
mpl3115OverSampleX32 = 0x5 << 3,
mpl3115OverSampleX64 = 0x6 << 3,
mpl3115OverSampleX128 = 0x7 << 3
} mpl3115_oversample_cfg_t;
/*! @brief fxos configure definition. */
typedef struct _mpl_handle
{
/* I2C relevant definition. */
i2c_handle_t *device; /*!< I2C handle. */
} mpl_handle_t;
/*! @brief Initialize structure of mpl3115 */
typedef struct _mpl3115_init
{
mpl3115_output_format_cfg_t outputFormat;
mpl3115_output_mode_cfg_t outputMode;
mpl3115_oversample_cfg_t oversampleRatio;
} mpl3115_init_t;
/*! @brief mpl3115 Pressure/Altitude and Temperature data structure */
typedef struct _mpl3115_data
{
int32_t presData;
int16_t tempData;
} mpl3115_data_t;
/*******************************************************************************
* API
******************************************************************************/
/* Function prototypes */
#if defined(__cplusplus)
extern "C" {
#endif
/*!
* @brief MPL3115 initialize function.
*
* This function should be called after I2C transfer driver is initialized, and
* in this function, some configurations are fixed.
* If users want to change the settings, they have to use fxos_write_reg() to set
* the register value of MPL3115.
* @param handle MPL3115 handle structure.
* @param mpl3115_config mpl3115 configuration structure.
*/
bool MPL3115_Init(mpl_handle_t *handle, const mpl3115_init_t *mpl3115_config);
/*!
* @brief Deinit the MPL3115 sensor.
* @param handle MPL3115 handler structure.
*/
bool MPL3115_Deinit(mpl_handle_t *handle);
/*!
* @brief Enable the MPL3115 sensor.
* @param handle MPL3115 handler structure.
*/
bool MPL3115_Enable(mpl_handle_t *handle);
/*!
* @brief Disable the MPL3115 sensor.
* @param handle MPL3115 handler structure.
*/
bool MPL3115_Disable(mpl_handle_t *handle);
/*!
* @brief Write register to MPL3115 using I2C.
* @param handle MPL3115 handle structure.
* @param regAddr The register address in mpl3115.
* @param regVal Value needs to write into the register.
*/
bool MPL3115_WriteReg(mpl_handle_t *handle, uint8_t regAddr, uint8_t regVal);
/*!
* @brief Read register from MPL3115 using I2C.
* @param handle MPL3115 handle structure.
* @param regAddr The register address in mpl3115.
* @param regValPtr Value pointer to written into.
*/
bool MPL3115_ReadReg(mpl_handle_t *handle, uint8_t regAddr, uint8_t *regValPtr);
/*!
* @brief Read sensor data from MPL3115 using I2C
* @param handle MPL3115 handler structure.
* @param val Sensor data pointer read from mpl3115.
*/
bool MPL3115_ReadData(mpl_handle_t *handle, mpl3115_data_t *val);
#ifdef __cplusplus
}
#endif
/*! @} */
#endif /* __MPL3115_H__ */
/*******************************************************************************
* EOF
******************************************************************************/
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