Class: Mifare::Tag

Inherits:
NFC::Tag show all
Defined in:
lib/ruby-nfc/tags/mifare/tag.rb

Direct Known Subclasses

Classic::Tag, Ultralight::Tag

Class Method Summary collapse

Instance Method Summary collapse

Methods inherited from NFC::Tag

#connect, #present?, #processed!, #processed?, #uid, #uid_hex

Constructor Details

#initialize(target, reader) ⇒ Tag

Returns a new instance of Tag.

Raises:



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# File 'lib/ruby-nfc/tags/mifare/tag.rb', line 37

def initialize(target, reader)
  super(target, reader)

  @pointer = Mifare.freefare_tag_new(reader.ptr, target[:nti][:nai])

  raise Mifare::Error, "Unknown mifare tag" if @pointer.null?
end

Class Method Details

.match?(target) ⇒ Boolean 



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# File 'lib/ruby-nfc/tags/mifare/tag.rb', line 62

def self.match?(target)
  SAKS.values.include?(target[:nti][:nai][:btSak])
end

Instance Method Details

#disconnect ⇒ Object

frees memory allocated for mifare tag



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# File 'lib/ruby-nfc/tags/mifare/tag.rb', line 54

def disconnect
  Mifare.freefare_free_tag(@pointer)
end

#name ⇒ Object 



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# File 'lib/ruby-nfc/tags/mifare/tag.rb', line 45

def name
  Mifare.freefare_get_tag_friendly_name(@pointer)
end

#sak ⇒ Object 



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# File 'lib/ruby-nfc/tags/mifare/tag.rb', line 58

def sak
  target.sak
end

#to_s ⇒ Object 



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# File 'lib/ruby-nfc/tags/mifare/tag.rb', line 49

def to_s
  "#{uid_hex} #{name} SAK: 0x#{@target.sak.to_s(16)}"
end