Blue Robotics Bar02 Pressure Sensor sample MS5837-02BA Pressure Sensor

Dependents:   Bar02_MS5837-02BA OCE360_Project

Fork of MS5837 by Andrew Olguin

MS5837.h

Committer:
yuuitirou528
Date:
2018-07-17
Revision:
2:365c8caabc0e
Parent:
1:ee71a13b8e68

File content as of revision 2:365c8caabc0e:

#include "mbed.h"

#ifndef MS5837_H
#define MS5837_H

#define MS5837_RX_DEPTH 3 //
#define MS5837_TX_DEPTH 2 //

// choose your connection here
#define ms5837_addr_no_CS  0x76 //0b1110110

#define ms5837_reset       0x1E // Sensor Reset

#define ms5837_convD1_256  0x40 // Convert D1 OSR 256
#define ms5837_convD1_512  0x42 // Convert D1 OSR 512
#define ms5837_convD1_1024 0x44 // Convert D1 OSR 1024
#define ms5837_convD1_2048 0x46 // Convert D1 OSR 2048
#define ms5837_convD1_4096 0x48 // Convert D1 OSR 4096
#define ms5837_convD1_8192 0x4A // Convert D1 OSR 8192

#define ms5837_convD1 ms5837_convD1_4096 // choose your sampling rate here

#define ms5837_convD2_256  0x50 // Convert D2 OSR  256
#define ms5837_convD2_512  0x52 // Convert D2 OSR  512
#define ms5837_convD2_1024 0x54 // Convert D2 OSR 1024
#define ms5837_convD2_2048 0x56 // Convert D2 OSR 2048
#define ms5837_convD2_4096 0x58 // Convert D2 OSR 4096
#define ms5837_convD2_8192 0x5A // Convert D2 OSR 8192

#define ms5837_convD2 ms5837_convD2_4096 // choose your sampling rate here

#define ms5837_ADCread     0x00 // read ADC command
#define ms5837_PROMread    0xA0 // read PROM command base address

//#define fluidDensity  1029 //kg/m^3 (seawater)
#define fluidDensity  997 // kg/m^3 (freshwater)

class MS5837{
private:
    int D1, D2, Temp, C[8];
    float T_MS5837, P_MS5837;
    /* Data buffers */
    char ms5837_rx_data[MS5837_RX_DEPTH];
    char ms5837_tx_data[MS5837_TX_DEPTH];

public:
    MS5837 (PinName sda, PinName scl,
            char ms5837_addr = ms5837_addr_no_CS  )
            : i2c( sda, scl ), device_address( ms5837_addr << 1 ) {
    }
    void MS5837Init(void);
    void MS5837Reset(void);
    void MS5837ReadProm(void);
    void MS5837ConvertD1(void);
    void MS5837ConvertD2(void);
    int32_t MS5837ReadADC(void);
    float MS5837_Pressure (void);
    float MS5837_Temperature (void);
    void Barometer_MS5837(void);
    float depth(void);
    float altitude(void);

private:
    I2C     i2c;
    char    device_address;

};
#endif