code: protected String makeDescription(int address) {
          return "I2CDevice on " + bus + " at address 0x" + Integer.toHexString(deviceAddress) + " to address 0x" + Integer.toHexString(address);
      }
docs: This helper method creates a string describing bus file name, device address (in hex) and local i2c address.
  
  @param address local address in i2c device
  @return string with all details