Method: LIBUSB::Device#serial_number

Defined in:
lib/libusb/device.rb

#serial_number ⇒ Object

Return serial number of the device.

Returns:

  • String


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# File 'lib/libusb/device.rb', line 370

def serial_number
  return @serial_number if defined? @serial_number
  @serial_number = try_string_descriptor_ascii(self.iSerialNumber)
  @serial_number = @serial_number.strip if @serial_number
  @serial_number
end