hts221.h

/**
  ******************************************************************************
  * @file    hts221.h
  * @author  MEMS Software Solutions Team
  * @brief   HTS221 header driver file
  ******************************************************************************
  * @attention
  *
  * Copyright (c) 2014-2018 STMicroelectronics.
  * All rights reserved.
  *
  * This software is licensed under terms that can be found in the LICENSE file
  * in the root directory of this software component.
  * If no LICENSE file comes with this software, it is provided AS-IS.
  *
  ******************************************************************************
  */

/* Define to prevent recursive inclusion -------------------------------------*/
#ifndef HTS221_H
#define HTS221_H

#ifdef __cplusplus
extern "C"
{
#endif

/* Includes ------------------------------------------------------------------*/
#include "hts221_reg.h"
#include <string.h>

/** @addtogroup BSP BSP
  * @{
  */

/** @addtogroup Component Component
  * @{
  */

/** @addtogroup HTS221 HTS221
  * @{
  */

/** @defgroup HTS221_Exported_Types HTS221 Exported Types
  * @{
  */

typedef int32_t (*HTS221_Init_Func)(void);
typedef int32_t (*HTS221_DeInit_Func)(void);
typedef int32_t (*HTS221_GetTick_Func)(void);
typedef void    (*HTS221_Delay_Func)(uint32_t);
typedef int32_t (*HTS221_WriteReg_Func)(uint16_t, uint16_t, uint8_t *, uint16_t);
typedef int32_t (*HTS221_ReadReg_Func)(uint16_t, uint16_t, uint8_t *, uint16_t);

typedef struct
{
  HTS221_Init_Func          Init;
  HTS221_DeInit_Func        DeInit;
  uint32_t                  BusType; /*0 means I2C, 1 means SPI-3-Wires */
  uint8_t                   Address;
  HTS221_WriteReg_Func      WriteReg;
  HTS221_ReadReg_Func       ReadReg;
  HTS221_GetTick_Func       GetTick;
  HTS221_Delay_Func         Delay;
} HTS221_IO_t;

typedef struct
{
  float x0;
  float y0;
  float x1;
  float y1;
} lin_t;

typedef struct
{
  HTS221_IO_t        IO;
  stmdev_ctx_t       Ctx;
  uint8_t            is_initialized;
  uint8_t            hum_is_enabled;
  uint8_t            temp_is_enabled;
} HTS221_Object_t;

typedef struct
{
  uint8_t Temperature;
  uint8_t Pressure;
  uint8_t Humidity;
  uint8_t LowPower;
  float   HumMaxOdr;
  float   TempMaxOdr;
  float   PressMaxOdr;
} HTS221_Capabilities_t;

typedef struct
{
  int32_t (*Init)(HTS221_Object_t *);
  int32_t (*DeInit)(HTS221_Object_t *);
  int32_t (*ReadID)(HTS221_Object_t *, uint8_t *);
  int32_t (*GetCapabilities)(HTS221_Object_t *, HTS221_Capabilities_t *);
} HTS221_CommonDrv_t;

typedef struct
{
  int32_t (*Enable)(HTS221_Object_t *);
  int32_t (*Disable)(HTS221_Object_t *);
  int32_t (*GetOutputDataRate)(HTS221_Object_t *, float *);
  int32_t (*SetOutputDataRate)(HTS221_Object_t *, float);
  int32_t (*GetHumidity)(HTS221_Object_t *, float *);
} HTS221_HUM_Drv_t;

typedef struct
{
  int32_t (*Enable)(HTS221_Object_t *);
  int32_t (*Disable)(HTS221_Object_t *);
  int32_t (*GetOutputDataRate)(HTS221_Object_t *, float *);
  int32_t (*SetOutputDataRate)(HTS221_Object_t *, float);
  int32_t (*GetTemperature)(HTS221_Object_t *, float *);
} HTS221_TEMP_Drv_t;

typedef union
{
  int16_t i16bit[3];
  uint8_t u8bit[6];
} hts221_axis3bit16_t;

typedef union
{
  int16_t i16bit;
  uint8_t u8bit[2];
} hts221_axis1bit16_t;

typedef union
{
  int32_t i32bit[3];
  uint8_t u8bit[12];
} hts221_axis3bit32_t;

typedef union
{
  int32_t i32bit;
  uint8_t u8bit[4];
} hts221_axis1bit32_t;

/**
  * @}
  */

/** @defgroup HTS221_Exported_Constants HTS221 Exported Constants
  * @{
  */
#define HTS221_I2C_BUS           0U
#define HTS221_SPI_3WIRES_BUS    1U

/** HTS221 error codes  **/
#define HTS221_OK                 0
#define HTS221_ERROR             -1

/**
  * @}
  */

/** @addtogroup HTS221_Exported_Functions HTS221 Exported Functions
  * @{
  */

int32_t HTS221_RegisterBusIO(HTS221_Object_t *pObj, HTS221_IO_t *pIO);
int32_t HTS221_Init(HTS221_Object_t *pObj);
int32_t HTS221_DeInit(HTS221_Object_t *pObj);
int32_t HTS221_ReadID(HTS221_Object_t *pObj, uint8_t *Id);
int32_t HTS221_GetCapabilities(HTS221_Object_t *pObj, HTS221_Capabilities_t *Capabilities);
int32_t HTS221_Get_Init_Status(HTS221_Object_t *pObj, uint8_t *Status);

int32_t HTS221_HUM_Enable(HTS221_Object_t *pObj);
int32_t HTS221_HUM_Disable(HTS221_Object_t *pObj);
int32_t HTS221_HUM_GetOutputDataRate(HTS221_Object_t *pObj, float *Odr);
int32_t HTS221_HUM_SetOutputDataRate(HTS221_Object_t *pObj, float Odr);
int32_t HTS221_HUM_GetHumidity(HTS221_Object_t *pObj, float *Value);
int32_t HTS221_HUM_Get_DRDY_Status(HTS221_Object_t *pObj, uint8_t *Status);

int32_t HTS221_TEMP_Enable(HTS221_Object_t *pObj);
int32_t HTS221_TEMP_Disable(HTS221_Object_t *pObj);
int32_t HTS221_TEMP_GetOutputDataRate(HTS221_Object_t *pObj, float *Odr);
int32_t HTS221_TEMP_SetOutputDataRate(HTS221_Object_t *pObj, float Odr);
int32_t HTS221_TEMP_GetTemperature(HTS221_Object_t *pObj, float *Value);
int32_t HTS221_TEMP_Get_DRDY_Status(HTS221_Object_t *pObj, uint8_t *Status);

int32_t HTS221_Read_Reg(HTS221_Object_t *pObj, uint8_t Reg, uint8_t *Data);
int32_t HTS221_Write_Reg(HTS221_Object_t *pObj, uint8_t Reg, uint8_t Data);

int32_t HTS221_Set_One_Shot(HTS221_Object_t *pObj);
int32_t HTS221_Get_One_Shot_Status(HTS221_Object_t *pObj, uint8_t *Status);

int32_t HTS221_Enable_DRDY_Interrupt(HTS221_Object_t *pObj);

/**
  * @}
  */

/** @addtogroup HTS221_Exported_Variables HTS221 Exported Variables
  * @{
  */

extern HTS221_CommonDrv_t HTS221_COMMON_Driver;
extern HTS221_HUM_Drv_t HTS221_HUM_Driver;
extern HTS221_TEMP_Drv_t HTS221_TEMP_Driver;

/**
  * @}
  */

#ifdef __cplusplus
}
#endif

#endif

/**
  * @}
  */

/**
  * @}
  */

/**
  * @}
  */