i2c

type Bus interface {
	SetAddress(addr byte) error
	ReadBytes(addr byte, num int) ([]byte, error)
	WriteBytes(addr byte, value []byte) error
	ReadFromReg(addr, reg byte, value []byte) error
	WriteToReg(addr, reg byte, value []byte) error
	Close() error
}

type Fd interface {
	io.ReadWriteCloser
	Fd() uintptr
}