class UVC::ExtensionUnitDescriptor
Attributes
bControlSize[R]
bNrInPins[R]
bNumControls[R]
bUnitID[R]
baSourceID[R]
bmControls[R]
guidExtensionCode[R]
iExtension[R]
Public Class Methods
new(bDescriptorType, bDescriptorSubType, bUnitID, guidExtensionCode, bNumControls, bNrInPins, baSourceID, bControlSize, bmControls, iExtension)
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Calls superclass method
UVC::ClassSpecificVCInterfaceDescriptor::new
# File lib/uvc.rb, line 627 def initialize(bDescriptorType, bDescriptorSubType, bUnitID, guidExtensionCode, bNumControls, bNrInPins, baSourceID, bControlSize, bmControls, iExtension) super(bDescriptorType, bDescriptorSubType) @bUnitID = bUnitID @guidExtensionCode = guidExtensionCode @bNumControls = bNumControls @bNrInPins = bNrInPins @baSourceID = baSourceID @bControlSize = bControlSize @bmControls = bmControls @iExtension = iExtension end
parse(bDescriptorType, bDescriptorSubType, rest)
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# File lib/uvc.rb, line 616 def self.parse(bDescriptorType, bDescriptorSubType, rest) bUnitID, guidExtensionCode, bNumControls, bNrInPins, rest = *rest.unpack("ca16cca*") *baSourceID, rest = *rest.unpack("c#{bNrInPins}a*") bControlSize, rest = *rest.unpack("ca*") bmControls, iExtension = *rest.unpack("B#{bControlSize*8}c") guidExtensionCode = guidExtensionCode.unpack("H8 H4 H4 H4 H12").join("-") self.new(bDescriptorType, bDescriptorSubType, bUnitID, guidExtensionCode, bNumControls, bNrInPins, baSourceID, bControlSize, bmControls, iExtension) end
Public Instance Methods
short_inspect()
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# File lib/uvc.rb, line 639 def short_inspect "%s bUnitID=%d\n %s" % [ self.class.name.sub(/Descriptor$/, ''), self.bUnitID, self.guidExtensionCode ] end