source: ETALON/DAQ/Sensors/i2c/i2c8Bit.h @ 709

#ifndef I2C8BIT_H
#define I2C8BIT_H

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



class i2c8Bit 
{
        public:
                i2c8Bit(void); // default constructor
                i2c8Bit(unsigned char dev_addr, std::string i2cfilename); 
                //over loaded constructor
                ~i2c8Bit(void); // destructor
                int writeReg(unsigned char reg_addr, unsigned char data);
                // function to write byte data into a register of an I2C device 
                int readReg(unsigned char reg_addr, unsigned char &data);
                // function to read byte data from a register of an I2C device
        
        private:
                //private member functions
                int openI2C(); //open an I2C device. Called only in constructors
                int closeI2C(); // close an I2C device. Called only in destructor
                
                // private member variables
                std::string  i2cFileName; //i2c device name e.g."/dev/i2c-0" or "/dev/i2c-1"
                int i2cDescriptor;  // i2c device descriptor 
                unsigned char deviceAddress; // i2c device address
};

#endif