File content as of revision 10:7802dc3ef0a0:

/*
MS5611-01BA.h - Interfaces a Measurement Specialities MS5611-01BA with Arduino
See http://www.meas-spec.com/downloads/MS5611-01BA01.pdf for the device datasheet

Copyright (C) 2011 Fabio Varesano <fvaresano@yahoo.it>

Development of this code has been supported by the Department of Computer Science, Universita' degli Studi di Torino, Italy within the Piemonte Project http://www.piemonte.di.unito.it/


This program is free software: you can redistribute it and/or modify
it under the terms of the version 3 GNU General Public License as
published by the Free Software Foundation.

This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
GNU General Public License for more details.

You should have received a copy of the GNU General Public License
along with this program.  If not, see <http://www.gnu.org/licenses/>.

*/



#ifndef MS561101BA_h
#define MS561101BA_h

//#define DEBUG_V
//#define DEBUG
//#include <DebugUtils.h>

// addresses of the device
#define MS561101BA_ADDR_CSB_HIGH  0x76   //CBR=1 0x76 I2C address when CSB is connected to HIGH (VCC)
#define MS561101BA_ADDR_CSB_LOW   0x77   //CBR=0 0x77 I2C address when CSB is connected to LOW (GND)

// registers of the device
#define MS561101BA_D1 0x40
#define MS561101BA_D2 0x50
//#define MS561101BA_RESET 0x1E

// D1 and D2 result size (bytes)
#define MS561101BA_D1D2_SIZE 3

// OSR (Over Sampling Ratio) constants
#define MS561101BA_OSR_256 0x00
#define MS561101BA_OSR_512 0x02
#define MS561101BA_OSR_1024 0x04
#define MS561101BA_OSR_2048 0x06
#define MS561101BA_OSR_4096 0x08

#define MS561101BA_PROM_BASE_ADDR 0xA2 // by adding ints from 0 to 6 we can read all the prom configuration values. 
// C1 will be at 0xA2 and all the subsequent are multiples of 2
#define MS561101BA_PROM_REG_COUNT 6 // number of registers in the PROM
#define MS561101BA_PROM_REG_SIZE 2 // size in bytes of a prom registry.

class MS561101BA {
  public:
    MS561101BA();
    void init(uint8_t addr);
    float getPressure();
    float getTemperature();
    int32_t getDeltaTemp();
    void start_sampling(uint8_t OSR);
    int rawTemperature();
    int rawPressure();
    int readPROM();
    void reset();
    uint32_t lastPresConv, lastTempConv;
    
    MODI2C i2c;
    
    static void samplingthread_stub(void const *p);
    void samplingthread();
    Thread _thread;
    volatile uint32_t conversion;
    uint8_t _OSR;
    Semaphore sem;
    char cobuf[3];

    Timer t;
    void startConversion(char *command);
    void getConversion();
    uint8_t _addr;
    uint16_t _Cal[MS561101BA_PROM_REG_COUNT];
    uint32_t pressCache, tempCache;
    
    char zero;
    char MS561101BA_RESET;
};

#endif // MS561101BA_h