File content as of revision 2:e88266f73a67:

/**
  ******************************************************************************
  * @file    hts221.h
  * @author  AST Robotics Team
  * @version V0.0.1
  * @date    08-April-2014
  * @brief   This file contains definitions hts221.h 
  *          firmware driver.
  ******************************************************************************
  * @attention
  *
  * <h2><center>&copy; COPYRIGHT(c) 2014 STMicroelectronics</center></h2>
  *
  * 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 __HTS221_H
#define __HTS221_H

#ifdef __cplusplus
 extern "C" {
#endif

/* Includes ------------------------------------------------------------------*/
#include "../Common/hum_temp.h"

/** @addtogroup BSP
  * @{
  */

/** @addtogroup HTS221
  * @{
  */
  
/** @defgroup HTS221_Exported_Constants
  * @{
  */

/**
  * @brief Device Address
  */
#define HTS221_ADDRESS                              0xBE

/******************************************************************************/
/*************************** START REGISTER MAPPING  **************************/
/******************************************************************************/


/**
 * @brief Device identification register.
 * \code
   * Read
 * Default value: 0xBC
 * 7:0 This read-only register contains the device identifier that, for HTS221, is set to BCh.
 * \endcode
*/
#define HTS221_WHO_AM_I_ADDR                        0x0F
  

   /**
    * @brief Humidity resolution Register
    * \code
    * Read/write
    * Default value: 0x1B
    * 7:6 RFU
    * 5:3 AVGT2-AVGT0: Temperature internal average.
    *     AVGT2 | AVGT1 | AVGT0 | Nr. Internal Average
    *   ------------------------------------------------------
    *      0    |  0    |  0    |     2
    *      0    |  0    |  1    |     4
    *      0    |  1    |  0    |     8
    *      0    |  1    |  1    |     16
    *      1    |  0    |  0    |     32
    *      1    |  0    |  1    |     64
    *      1    |  1    |  0    |     128
    *      1    |  1    |  1    |     256
    *
    * 2:0 AVGH2-AVGH0: Humidity internal average.
    *     AVGH2 | AVGH1 | AVGH0 | Nr. Internal Average
    *   ------------------------------------------------------
    *      0    |  0    |  0    |     4
    *      0    |  0    |  1    |     8
    *      0    |  1    |  0    |     16
    *      0    |  1    |  1    |     32
    *      1    |  0    |  0    |     64
    *      1    |  0    |  1    |     128
    *      1    |  1    |  0    |     256
    *      1    |  1    |  1    |     512
    *
    * \endcode
    */
#define HTS221_RES_CONF_ADDR                        0x10


    /**
    * @brief INFO Register  (LSB data)
    * \code
    * Read/write
    * Default value: 0x00
    * 7:0 INFO7-INFO0: Lower part of the INFO reference
    *                  used for traceability of the sample.
    * \endcode
    */
#define HTS221_INFO_L_ADDR                          0x1E


    /**
    * @brief INFO & Calibration Version Register  (LSB data)
    * \code
    * Read/write
    * Default value: 0x00
    * 7:6 CALVER1:CALVER0
    * 5:0 INFO13-INFO8: Higher part of the INFO reference
    *                  used for traceability of the sample.
    * \endcode
    */
#define HTS221_INFO_H_ADDR                          0x1F


    /**
    * @brief Humidity sensor control register 1
    * \code
    * Read/write
    * Default value: 0x00
    * 7    PD: power down control. 0 - disable; 1 - enable
    * 6:3  RFU
    * 2    BDU: block data update. 0 - disable; 1 - enable
    * 1:0  RFU
    * \endcode
    */

#define HTS221_CTRL_REG1_ADDR                       0x20


    /**
    * @brief Humidity sensor control register 2
    * \code
    * Read/write
    * Default value: 0x00
    * 7    BOOT:  Reboot memory content. 0: normal mode; 1: reboot memory content
    * 6:3  Reserved.
    * 2    Reserved.
    * 1    Reserved.
    * 0    ONE_SHOT: One shot enable. 0: waiting for start of conversion; 1: start for a new dataset
    * \endcode
    */
#define HTS221_CTRL_REG2_ADDR                       0x21


    /**
    * @brief  Status Register
    * \code
    * Read
    * Default value: 0x00
    * 7:2  RFU
    * 1    H_DA: Humidity data available. 0: new data for Humidity is not yet available; 1: new data for Humidity 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 HTS221_STATUS_REG_ADDR                      0x27


    /**
    * @brief  Humidity data (LSB).
    * \code
    * Read
    * Default value: 0x00.
    * POUT7 - POUT0: Humidity data LSB (2's complement) => signed 16 bits
    * RAW Humidity output data: Hout(%)=(HUMIDITY_OUT_H & HUMIDITY_OUT_L).
    * \endcode
    */
#define HTS221_HUMIDITY_OUT_L_ADDR                  0x28


    /**
    * @brief  Humidity data (MSB).
    * \code
    * Read
    * Default value: 0x00.
    * POUT7 - POUT0: Humidity data LSB (2's complement) => signed 16 bits
    * RAW Humidity output data: Hout(%)=(HUMIDITY_OUT_H & HUMIDITY_OUT_L).
    * \endcode
    */
#define HTS221_HUMIDITY_OUT_H_ADDR                  0x29


    /**
    * @brief  Temperature data (LSB).
    * \code
    * Read
    * Default value: 0x00.
    * TOUT7 - TOUT0: temperature data LSB (2's complement) => signed 16 bits
    * RAW Temperature output data: Tout (LSB)=(TEMP_OUT_H & TEMP_OUT_L).
    * \endcode
    */
#define HTS221_TEMP_OUT_L_ADDR                      0x2A


    /**
    * @brief  Temperature data (MSB).
    * \code
    * Read
    * Default value: 0x00.
    * TOUT15 - TOUT8: temperature data MSB (2's complement) => signed 16 bits
    * RAW Temperature output data: Tout (LSB)=(TEMP_OUT_H & TEMP_OUT_L).
    * \endcode
    */
#define HTS221_TEMP_OUT_H_ADDR                      0x2B


    /*
    *@brief Humidity 0 Register in %RH with sensitivity=2
    *\code
    * Read
    * Value: (Unsigned 8 Bit)/2
    *\endcode
    */
#define HTS221_H0_RH_X2_ADDR                        0x30


    /*
    *@brief Humidity 1 Register in %RH with sensitivity=2
    *\code
    * Read
    * Value: (Unsigned 8 Bit)/2
    *\endcode
    */
#define HTS221_H1_RH_X2_ADDR                        0x31


    /*
    *@brief Temperature 0 Register in deg with sensitivity=8
    *\code
    * Read
    * Value: (Unsigned 16 Bit)/2
    *\endcode
    */
#define HTS221_T0_degC_X8_ADDR                      0x32


    /*
    *@brief Temperature 1 Register in deg with sensitivity=8
    *\code
    * Read
    * Value: (Unsigned 16 Bit)/2
    *\endcode
    */
#define HTS221_T1_degC_X8_ADDR                      0x33


    /*
    *@brief Temperature 1/0 MSB Register in deg with sensitivity=8
    *\code
    * Read
    * Value: (Unsigned 16 Bit)/2
    * 3:2  T1(9):T1(8) MSB T1_degC_X8 bits
    * 1:0  T0(9):T0(8) MSB T0_degC_X8 bits
    *\endcode
    */
#define HTS221_T1_T0_MSB_X8_ADDR                    0x35


    /*
    *@brief Humidity LOW CALIBRATION Register
    *\code
    * Read
    * Default value: 0x00.
    * H0_T0_TOUT7 - H0_T0_TOUT0: HUMIDITY data lSB (2's complement) => signed 16 bits
    *\endcode
    */
#define HTS221_H0_T0_OUT_L_ADDR                     0x36


    /*
    *@brief Humidity LOW CALIBRATION Register
    *\code
    * Read
    * Default value: 0x00.
    * H0_T0_TOUT15 - H0_T0_TOUT8: HUMIDITY data mSB (2's complement) => signed 16 bits
    *\endcode
    */
#define HTS221_H0_T0_OUT_H_ADDR                       0x37


    /*
    *@brief Humidity HIGH CALIBRATION Register
    *\code
    * Read
    * Default value: 0x00.
    * H1_T0_TOUT7 - H1_T0_TOUT0: HUMIDITY data lSB (2's complement) => signed 16 bits
    *\endcode
    */
#define HTS221_H1_T0_OUT_L_ADDR                       0x3A


    /*
    *@brief Humidity HIGH CALIBRATION Register
    *\code
    * Read
    * Default value: 0x00.
    * H1_T0_TOUT15 - H1_T0_TOUT8: HUMIDITY data mSB (2's complement) => signed 16 bits
    *\endcode
    */
#define HTS221_H1_T0_OUT_H_ADDR                       0x3B


    /**
    * @brief  Low Calibration Temperature Register (LSB).
    * \code
    * Read
    * Default value: 0x00.
    * T0_OUT7 - T0_OUT0: temperature data LSB (2's complement) => signed 16 bits
    *  RAW LOW Calibration data: T0_OUT (LSB)=(T0_OUT_H & T0_OUT_L).
    * \endcode
    */
#define HTS221_T0_OUT_L_ADDR                        0x3C


    /**
    * @brief  Low Calibration Temperature Register (MSB)
    * \code
    * Read
    * Default value: 0x00.
    * T0_OUT15 - T0_OUT8: temperature data MSB (2's complement) => signed 16 bits
    * RAW LOW Calibration data: T0_OUT (LSB)=(T0_OUT_H & T0_OUT_L).
    * \endcode
    */
#define HTS221_T0_OUT_H_ADDR                        0x3D


    /**
    * @brief  Low Calibration Temperature Register (LSB).
    * \code
    * Read
    * Default value: 0x00.
    * T1_OUT7 - T1_OUT0: temperature data LSB (2's complement) => signed 16 bits
    *  RAW LOW Calibration data: T1_OUT (LSB)=(T1_OUT_H & T1_OUT_L).
    * \endcode
    */
#define HTS221_T1_OUT_L_ADDR                        0x3E


    /**
    * @brief  Low Calibration Temperature Register (MSB)
    * \code
    * Read
    * Default value: 0x00.
    * T1_OUT15 - T1_OUT8: temperature data MSB (2's complement) => signed 16 bits
    * RAW LOW Calibration data: T1_OUT (LSB)=(T1_OUT_H & T1_OUT_L).
    * \endcode
    */
#define HTS221_T1_OUT_H_ADDR                        0x3F


/******************************************************************************/
/**************************** END REGISTER MAPPING  ***************************/
/******************************************************************************/


/**
 * @brief Device Identifier. Default value of the WHO_AM_I register.
 */
#define I_AM_HTS221                         ((uint8_t)0xBC)


/** @defgroup HTS221 Power Mode selection - CTRL_REG1
  * @{
  */
#define HTS221_MODE_POWERDOWN               ((uint8_t)0x00)
#define HTS221_MODE_ACTIVE                  ((uint8_t)0x80)

#define HTS221_MODE_MASK                    ((uint8_t)0x80)
/**
  * @}
  */ 


/** @defgroup HTS221 Block Data Update Mode selection - CTRL_REG1
  * @{
  */
#define HTS221_BDU_CONTINUOUS               ((uint8_t)0x00)
#define HTS221_BDU_NOT_UNTIL_READING        ((uint8_t)0x04)

#define HTS221_BDU_MASK                     ((uint8_t)0x04)
/**
  * @}
  */

/** @defgroup HTS221 Output Data Rate selection - CTRL_REG1
 * @{
 */
#define HTS221_ODR_ONE_SHOT             ((uint8_t)0x00) /*!< Output Data Rate: H - one shot, T - one shot */
#define HTS221_ODR_1Hz                  ((uint8_t)0x01) /*!< Output Data Rate: H - 1Hz, T - 1Hz */
#define HTS221_ODR_7Hz                  ((uint8_t)0x02) /*!< Output Data Rate: H - 7Hz, T - 7Hz */
#define HTS221_ODR_12_5Hz               ((uint8_t)0x03) /*!< Output Data Rate: H - 12.5Hz, T - 12.5Hz */

#define HTS221_ODR_MASK                 ((uint8_t)0x03)
/**
* @}
*/


/** @defgroup HTS221 Boot Mode selection - CTRL_REG2
  * @{
  */
#define HTS221_BOOT_NORMALMODE              ((uint8_t)0x00)
#define HTS221_BOOT_REBOOTMEMORY            ((uint8_t)0x80)

#define HTS221_BOOT_MASK                    ((uint8_t)0x80)
/**
  * @}
  */  


/** @defgroup HTS221 One Shot selection - CTRL_REG2
 * @{
 */
#define HTS221_ONE_SHOT_START               ((uint8_t)0x01)

#define HTS221_ONE_SHOT_MASK                ((uint8_t)0x01)
/**
 * @}
 */


/** @defgroup HTS221 Boot Mode selection - CTRL_REG2
  * @{
  */
#define HTS221_BOOT_NORMALMODE              ((uint8_t)0x00)
#define HTS221_BOOT_REBOOTMEMORY            ((uint8_t)0x80)

#define HTS221_BOOT_MASK                    ((uint8_t)0x80)
/**
  * @}
  */


/** @defgroup HTS221 PushPull_OpenDrain selection - CTRL_REG3
  * @{
  */
#define HTS221_PP_OD_PUSH_PULL              ((uint8_t)0x00)
#define HTS221_PP_OD_OPEN_DRAIN             ((uint8_t)0x40)

#define HTS221_PP_OD_MASK                   ((uint8_t)0x40)
/**
  * @}
  */


/** @defgroup HTS221 Data ready selection - CTRL_REG3
  * @{
  */
#define HTS221_DRDY_DISABLE                 ((uint8_t)0x00)
#define HTS221_DRDY_AVAILABLE               ((uint8_t)0x40)

#define HTS221_DRDY_MASK                    ((uint8_t)0x40)
/**
  * @}
  */


/** @defgroup HTS221 Humidity resolution selection - RES_CONF
  * @{
  */
#define HTS221_H_RES_AVG_4                  ((uint8_t)0x00)
#define HTS221_H_RES_AVG_8                  ((uint8_t)0x01)
#define HTS221_H_RES_AVG_16                 ((uint8_t)0x02)
#define HTS221_H_RES_AVG_32                 ((uint8_t)0x03)
#define HTS221_H_RES_AVG_64                 ((uint8_t)0x04)
#define HTS221_H_RES_AVG_128                ((uint8_t)0x05)

#define HTS221_H_RES_MASK                   ((uint8_t)0x07)
/**
  * @}
  */


/** @defgroup HTS221 Temperature resolution - RES_CONF
  * @{
  */
#define HTS221_T_RES_AVG_2                  ((uint8_t)0x00)
#define HTS221_T_RES_AVG_4                  ((uint8_t)0x08)
#define HTS221_T_RES_AVG_8                  ((uint8_t)0x10)
#define HTS221_T_RES_AVG_16                 ((uint8_t)0x18)
#define HTS221_T_RES_AVG_32                 ((uint8_t)0x20)
#define HTS221_T_RES_AVG_64                 ((uint8_t)0x28)

#define HTS221_T_RES_MASK                   ((uint8_t)0x38)
/**
  * @}
  */


/** @defgroup HTS221 Temperature Humidity data available - STATUS_REG
  * @{
  */
#define HTS221_H_DATA_AVAILABLE_MASK        ((uint8_t)0x02)
#define HTS221_T_DATA_AVAILABLE_MASK        ((uint8_t)0x01)
/**
  * @}
  */



/* Data resolution */
#define HUM_DECIMAL_DIGITS                  (2)
#define TEMP_DECIMAL_DIGITS                 (2)



/**
  * @}
  */


 
/** @defgroup UVIS3_Exported_Functions
  * @{
  */
/* Sensor Configuration Functions */ 
void      HTS221_Init(HUM_TEMP_InitTypeDef *HTS221_Init);
uint8_t   HTS221_ReadID(void);
void      HTS221_RebootCmd(void);
void      HTS221_Power_OFF(void);
void      HTS221_GetHumidity(float* pfData);
void      HTS221_GetTemperature(float* pfData);

/* Interrupt Configuration Functions */
void      HTS221_INT1InterruptConfig(uint16_t Int1Config);
void      HTS221_EnableIT(uint8_t IntPin);
void      HTS221_DisableIT(uint8_t IntPin);

/* HUM_TEMP sensor driver structure */
extern HUM_TEMP_DrvTypeDef Hts221Drv;

/* HUM_TEMP sensor IO functions */
void      HUM_TEMP_IO_Init(void);
void      HUM_TEMP_IO_DeInit(void);
void      HUM_TEMP_IO_Write(uint8_t* pBuffer, uint8_t DeviceAddr, uint8_t WriteAddr, uint16_t NumByteToWrite);
void      HUM_TEMP_IO_Read(uint8_t* pBuffer, uint8_t DeviceAddr, uint8_t RegisterAddr, uint16_t NumByteToRead);

/**
  * @}
  */

/**
  * @}
  */ 
  
/**
  * @}
  */ 
  
#ifdef __cplusplus
  }
#endif
  
#endif /* __HTS221_H */


/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/