Class: LIBUSB::Interface

Inherits:

FFI::Struct

• Object
• FFI::Struct
• LIBUSB::Interface

show all

Includes:

Comparable

Defined in:

lib/libusb/interface.rb

Instance Attribute Summary (collapse)

• - (Configuration) configuration readonly

  The configuration this interface belongs to.

Instance Method Summary (collapse)

• - (Object) <=>(o)
• - (Object) alt_settings (also: #settings)
• - (Object) bInterfaceNumber

  Number of this interface.

• - (Object) device

  The Device this Interface belongs to.

• - (Object) endpoints

  Return all endpoints of all alternative settings as Array of Endpoints.

• - (Interface) initialize(configuration, *args) constructor

  A new instance of Interface.

• - (Object) inspect

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# File 'lib/libusb/interface.rb', line 30

def initialize(configuration, *args)
  @configuration = configuration
  super(*args)
end

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# File 'lib/libusb/interface.rb', line 36

def configuration
  @configuration
end

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# File 'lib/libusb/interface.rb', line 56

def <=>(o)
  configuration<=>o.configuration
end

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# File 'lib/libusb/interface.rb', line 38

def alt_settings
  ifs = []
  self[:num_altsetting].times do |i|
    ifs << Setting.new(self, self[:altsetting] + i*Setting.size)
  end
  return ifs
end

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# File 'lib/libusb/interface.rb', line 26

def bInterfaceNumber
  settings.first.bInterfaceNumber
end

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# File 'lib/libusb/interface.rb', line 52

def device() self.configuration.device end

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# File 'lib/libusb/interface.rb', line 54

def endpoints() self.alt_settings.map {|d| d.endpoints }.flatten end

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# File 'lib/libusb/interface.rb', line 47

def inspect
  "\#<#{self.class} #{bInterfaceNumber}>"
end