File content as of revision 6:d9489d50669d:

#ifndef SCP1000_H
#define SCP1000_H

#include "mbed.h"

/**
 * SCP1000 pressure/temperature sensor
 */

class SCP1000 {
public:
    enum OperationMode {
        CANCEL = 0x00,
        HIGH_SPEED_MODE = 0x09,
        HIGH_RESOLUTION_MODE = 0x0A,
        ULTRA_LOW_POWER_MODE = 0x0B,
        LOW_POWER = 0x0C,
        SELF_TEST = 0x0F,
    };
    
    /**
    * creates an SCP1000 interface with specified pins
    *
    * @param PinName mosi SPI MOSI pin
    * @param PinName miso SPI MISO pin
    * @param PinName sclk SPI SCLK pin
    * @param PinName cs SPI CS pin
    * @param OperationMode mode Initial operation mode
    */
    SCP1000(PinName mosi, PinName miso, PinName sclk, PinName cs, OperationMode mode = HIGH_RESOLUTION_MODE);

    ~SCP1000() {};

    /**
     * reads the revision number
     *
     * @returns revision number
     */
    int revision();

    /**
     * checks if data is ready
     *
     * @returns true if data is ready, false otherwise
     */
    bool isReady();

    /**
     * performs software reset
     */
    void reset();

    /**
     * sets the operation mode
     */
    void setOperationMode(OperationMode mode);

    /**
     * performs self test
     *
     * @returns the result of the test (true if succeeded, false otherwise)
     */
    bool performSelfTest();

    /**
     * reads the current pressure
     *
     * @param waitForDataReady if true, it will wait until data becomes ready
     *
     * @returns pressure in hectopascal (hPa)
     */
    float readPressure(bool waitForDataReady = false);

    /**
     * reads the current temperature
     *
     * @param waitForDataReady if true, it will wait until data becomes ready
     *
     * @returns temperature in Celsius
     */
    float readTemperature(bool waitForDataReady = false);

private:
    enum RegisterName {
        REVID = 0x00,         // ASIC revision number
        OPERATION = 0x03,     // Operation register
        OPSTATUS = 0x04,      // Operation status
        RSTR = 0x06,          // ASIC software reset
        STATUS = 0x07,        // ASIC top-level status
        DATARD8 = 0x1F,       // Pressure output data (MSB)
        DATARD16 = 0x20,      // Pressure output data (LSB, 16 bits)
        TEMPOUT = 0x21,       // Temperature output data (16 bits)
    };

    enum Command {
        READ = 0x00,          // SCP1000 READ command
        WRITE = 0x02,         // SCP1000 WRITE command
    };

    SPI spi;
    DigitalOut selectPin;

    int readRegister(RegisterName registerName, bool twoBytes = 0);
    void writeRegister(RegisterName registerName, char value);
};

#endif