#ifndef _INTERFACES_HH_
#define _INTERFACES_HH_

#include <cstdint>

class ICharacterDevice {
public:
  virtual void write(char const* data, int const& len) = 0;
  virtual int read(char *buf, int const& len) = 0;
};

class IBlockDevice {
public:
  // Get the (logical) block size of the device
  virtual unsigned getBlockSize() const = 0;

  // Write getBlockSize()*'count' bytes of data from 'data' to the device starting at block 'pos'
  /* Throw an Error on error, containing the errno describing the error. The contents of the block
     device from 'pos' to 'pos'+'count' are undefined after an exception */
  virtual void write(unsigned pos, char const* data, unsigned count) = 0;
  // Read getBlockSize()*'count' bytes of data from the device starting at block 'pos' to 'data'
  /* Throw an Error on error, containing the errno describing the error. The contents of 'data'
     are undefined after an exception */
  virtual void read(unsigned pos, char *data, unsigned count) = 0;
};

class II2C {
public:
  virtual void reg_write(uint8_t slaveid, uint8_t reg, uint8_t value) = 0;
  virtual uint8_t reg_read(uint8_t slaveid, uint8_t reg) = 0;

  virtual void reg_write16(uint8_t slaveid, uint8_t reg, uint16_t value) = 0;
  virtual uint16_t reg_read16(uint8_t slaveid, uint8_t reg) = 0;
};

#endif