File content as of revision 0:9e645e6ed2ce:

/**
 ******************************************************************************
 * @file    lps25h.h
 * @author  AST Robotics Team
 * @version V0.0.1
 * @date    18-February-2014
 * @brief   This file contains definitions lps25h.c
 *          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 __LPS25H_H
#define __LPS25H_H

#ifdef __cplusplus
extern "C" {
#endif

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

/** @addtogroup BSP
 * @{
 */

/** @addtogroup LPS25H
 * @{
 */

/** @defgroup LPS25H_Exported_Constants
 * @{
 */

/******************************************************************************/
/*************************** 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 LPS25H_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 LPS25H_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 LPS25H_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 LPS25H, is set to 0xCA.
 * \endcode
 */
#define LPS25H_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 LPS25H_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 LPS25H_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 LPS25H_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 LPS25H_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 LPS25H_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 LPS25H_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 LPS25H_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 LPS25H_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 LPS25H_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 LPS25H_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 LPS25H_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 LPS25H_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 LPS25H_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 LPS25H_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 LPS25H_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 LPS25H_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 LPS25H_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 LPS25H_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 LPS25H_RPDS_TRIM_H_ADDR                    0x3A

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

/**
 * @brief Device Address
 */
#define LPS25H_ADDRESS_LOW           0xB8
#define LPS25H_ADDRESS_HIGH          0xBA


/**
 * @brief Device Identifier. Default value of the WHO_AM_I register.
 */
#define I_AM_LPS25H                 ((uint8_t)0xBD)

/** @defgroup Power_Mode_selection CTRL_REG1
 * @{
 */
#define LPS25H_MODE_POWERDOWN            ((uint8_t)0x00)
#define LPS25H_MODE_ACTIVE               ((uint8_t)0x80)

#define LPS25H_MODE_MASK                 ((uint8_t)0x80)
/**
 * @}
 */

/** @defgroup LPS25H Output Data Rate selection CTRL_REG1
 * @{
 */
#define LPS25H_ODR_ONE_SHOT             ((uint8_t)0x00) /*!< Output Data Rate: P - one shot, T - one shot */
#define LPS25H_ODR_1Hz                  ((uint8_t)0x10) /*!< Output Data Rate: P - 1Hz, T - 1Hz */
#define LPS25H_ODR_7Hz                  ((uint8_t)0x20) /*!< Output Data Rate: P - 7Hz, T - 7Hz */
#define LPS25H_ODR_12_5Hz               ((uint8_t)0x30) /*!< Output Data Rate: P - 12.5Hz, T - 12.5Hz */
#define LPS25H_ODR_25Hz                 ((uint8_t)0x40) /*!< Output Data Rate: P - 25Hz, T - 25Hz */

#define LPS25H_ODR_MASK                 ((uint8_t)0x70)
/**
 * @}
 */

/** @defgroup LPS25H Interrupt circuit enable CTRL_REG1
 * @{
 */
#define LPS25H_DIFF_DISABLE             ((uint8_t)0x00) /*!< interrupt circuit enabled */
#define LPS25H_DIFF_ENABLE              ((uint8_t)0x08) /*!< interrupt generation disabled */

#define LPS25H_DIFF_EN_MASK             ((uint8_t)0x08)
/**
 * @}
 */

/** @defgroup LPS25H block data update CTRL_REG1
 * @{
 */
#define LPS25H_BDU_CONT              ((uint8_t)0x00) /*!< continuous update */
#define LPS25H_BDU_READ              ((uint8_t)0x04) /*!< output registers not updated until MSB and LSB reading */

#define LPS25H_BDU_MASK          ((uint8_t)0x04)
/**
 * @}
 */

/** @defgroup LPS25H SPI Serial Interface Mode selection CTRL_REG1
 * @{
 */
#define LPS25H_SPI_SIM_4W            ((uint8_t)0x00) /*!< 4-wire interface */
#define LPS25H_SPI_SIM_3W            ((uint8_t)0x01) /*!< 3-wire interface */

#define LPS25H_SPI_SIM_MASK          ((uint8_t)0x01)
/**
 * @}
 */

/** @defgroup LPS25H o refresh the content of the internal registers stored in the Flash memory
block CTRL_REG2
 * @{
 */
#define LPS25H_NORMAL_MODE           ((uint8_t)0x00)
#define LPS25H_RESET_MEMORY          ((uint8_t)0x80)

#define LPS25H_RESET_MEMORY_MASK     ((uint8_t)0x80)
/**
 * @}
 */

/** @defgroup LPS25H Pressure resolution selection RES_CONF
 * @{
 */
#define LPS25H_P_RES_AVG_8              ((uint8_t)0x00)
#define LPS25H_P_RES_AVG_32             ((uint8_t)0x01)
#define LPS25H_P_RES_AVG_128            ((uint8_t)0x02)
#define LPS25H_P_RES_AVG_512            ((uint8_t)0x03)

#define LPS25H_P_RES_MASK               ((uint8_t)0x03)
/**
 * @}
 */

/** @defgroup LPS25H Temperature resolution RES_CONF
 * @{
 */
#define LPS25H_T_RES_AVG_8              ((uint8_t)0x00)
#define LPS25H_T_RES_AVG_16             ((uint8_t)0x04)
#define LPS25H_T_RES_AVG_32             ((uint8_t)0x08)
#define LPS25H_T_RES_AVG_64             ((uint8_t)0x0C)

#define LPS25H_T_RES_MASK               ((uint8_t)0x0C)
/**
 * @}
 */

#define LPS25H_SA0_LOW                  ((uint8_t)0x00)
#define LPS25H_SA0_HIGH                 ((uint8_t)0x01)

///**
// * @brief LPS25H Output Data Rate
// */
//typedef enum {
//    LPS25H_ODR_P_T_ONE_SHOT = 0x00, /*!< Output Data Rate: P - one shot, T - one shot */
//    LPS25H_ODR_P_1HZ_T_1HZ = 0x10, /*!< Output Data Rate: P - 1Hz, T - 1Hz */
//    LPS25H_ODR_P_7HZ_T_7HZ = 0x20, /*!< Output Data Rate: P - 7Hz, T - 7Hz */
//    LPS25H_ODR_P_12_5HZ_T_12_5HZ = 0x30, /*!< Output Data Rate: P - 12.5Hz, T - 12.5Hz */
//    LPS25H_ODR_P_25HZ_T_25HZ = 0x40 /*!< Output Data Rate: P - 25Hz, T - 25Hz */
//} LPS25H_OutputDataRate;

///**
// * @brief LPS25H Pressure resolution
// */
//typedef enum {
//    LPS25H_PRESS_AVG_8 = 0x00, /*!< Internal average on 8 sample */
//    LPS25H_PRESS_AVG_32 = 0x01, /*!< Internal average on 32 sample */
//    LPS25H_PRESS_AVG_128 = 0x02, /*!< Internal average on 128 sample */
//    LPS25H_PRESS_AVG_512 = 0x03 /*!< Internal average on 512 sample */
//} LPS25H_PressureResolution;

///**
// * @brief LPS25H Temperature resolution
// */
//typedef enum {
//    LPS25H_TEMP_AVG_8 = 0x00, /*!< Internal average on 8 sample */
//    LPS25H_TEMP_AVG_16 = 0x10, /*!< Internal average on 16 sample */
//    LPS25H_TEMP_AVG_32 = 0x20, /*!< Internal average on 32 sample */
//    LPS25H_TEMP_AVG_64 = 0x30 /*!< Internal average on 64 sample */
//} LPS25H_TemperatureResolution;
//
///**
// * @addtogroup LPS25H_Structures
// * @{
// */
//
///**
// * @brief LPS25H Irq list
// */
//typedef enum {
//    LPS25H_DATA = 0x00,
//    LPS25H_P_HIGH = 0x01,
//    LPS25H_P_LOW = 0x02,
//    LPS25H_P_LOW_HIGH = 0x03
//} LPS25H_IrqList;
//
///**
// * @brief LPS25H Irq pin output configuration
// */
//typedef enum {
//    LPS25H_PP = 0x00,
//    LPS25H_OD = 0x40
//} LPS25H_OutputType;
//
///**
// * @brief LPS25H Irq configuration
// */
//typedef enum {
//    LPS25H_EMPTY = 0x08,
//    LPS25H_WTM = 0x04,
//    LPS25H_OVR = 0x02,
//    LPS25H_DATA_READY = 0x01
//} LPS25H_DataSignalType;

/**
 * @}
 */

/** @defgroup LPS25H_Exported_Functions
 * @{
 */
/* Sensor Configuration Functions */
void LPS25H_Init(PRESSURE_InitTypeDef *LPS25H_Init);
uint8_t LPS25H_ReadID(void);
void LPS25H_RebootCmd(void);
void LPS25H_GetPressure(float* pfData);
void LPS25H_GetTemperature(float* pfData);
void LPS25H_PowerOff(void);
void LPS25H_SlaveAddrRemap(uint8_t);

/* Interrupt Configuration Functions */
void LPS25H_INT1InterruptConfig(uint16_t Int1Config);
void LPS25H_EnableIT(void);
void LPS25H_DisableIT(void);

/* Pressure sensor driver structure */
extern PRESSURE_DrvTypeDef LPS25HDrv;

/* Pressure sensor IO functions */
void PRESSURE_IO_Init(void);
void PRESSURE_IO_DeInit(void);
void PRESSURE_IO_Write(uint8_t* pBuffer, uint8_t DeviceAddr, uint8_t WriteAddr,
                       uint16_t NumByteToWrite);
void PRESSURE_IO_Read(uint8_t* pBuffer, uint8_t DeviceAddr,
                      uint8_t RegisterAddr, uint16_t NumByteToRead);

/**
 * @}
 */

/**
 * @}
 */

/**
 * @}
 */

#ifdef __cplusplus
}
#endif

#endif /* __LPS25H_H */

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