mcp342x.h

#ifndef TSAR_MCP342X
#define TSAR_MCP342X

#include <iostream>
#include <stdio.h>
#include <stdlib.h>
#include <fstream>
#include <sys/ioctl.h>
#include <unistd.h>
#include <fcntl.h>
#include <linux/i2c-dev.h>
#include <string.h>

#include <bitset>

//Raw Config Bit Definitions
#define CFG_RDY 1<<7
#define CFG_C1    1<<6
#define CFG_C0    1<<5
#define CFG_OC    1<<4
#define CFG_S1    1<<3
#define CFG_S0    1<<2
#define CFG_G1    1<<1
#define CFG_G0    1<<0

#define CFG_RDY 1<<7
#define CFG_C1 1<<6
#define CFG_C0 1<<5
#define CFG_OC 1<<4
#define CFG_S1 1<<3
#define CFG_S0 1<<2
#define CFG_G1 1<<1
#define CFG_G0 1<<0

#define CFG_CHAN1 0
#define CFG_CHAN2 CFG_C0
#define CFG_CHAN3 CFG_C1
#define CFG_CHAN4 (CFG_C0 |CFG_C1)

#define CFG_240SPS 0
#define CFG_60SPS CFG_S0
#define CFG_15SPS CFG_S1
#define CFG_3SPS (CFG_S0 | CFG_S1)

#define CFG_X1 0
#define CFG_X2 CFG_G0
#define CFG_X4 CFG_G1
#define CFG_X8 (CFG_G0 | CFG_G1)

#define CFG_DEFAULT (CFG_CHAN1 | CFG_240SPS | CFG_X1)

class mcp342x{
  private:
    int address;
    int file_descriptor;
    char* device;

	 __u8 configuration;

 	// Helper function for adding the sign bit into the converted data
	const int convert(const int, const int);

  public:
    // Constructor / destructor stuff
    mcp342x();
	  mcp342x(const mcp342x&);
    mcp342x(const int, const char*);
    ~mcp342x();

    // Function stuff
    const int set_settings(const bool, const int, const int);
    const int set_channel(const int);
    void start_read();
    const bool is_ready();
    const int read_register();

	// Other
	friend std::ostream& operator <<(std::ostream&, const mcp342x&);
};

#endif