Module: BlinkStick::ColorHandler

Included in:
BlinkStick
Defined in:
lib/blink_stick/color_handler.rb

Instance Method Summary collapse

Instance Method Details

#color ⇒ Object 



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# File 'lib/blink_stick/color_handler.rb', line 12

def color
  result = @handle.control_transfer(bmRequestType: 0x80 | 0x20,
                                    bRequest: 0x1,
                                    wValue: 0x1,
                                    wIndex: 0x0000,
                                    dataIn: 4)

  [result[1].ord, result[2].ord, result[3].ord]
end

#color=(value) ⇒ Object 



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# File 'lib/blink_stick/color_handler.rb', line 2

def color=(value)
  data_out = transform_color_to_hex(Color.parse(value))

  @handle.control_transfer(bmRequestType: 0x20,
                           bRequest: 0x9,
                           wValue: 0x1,
                           wIndex: 0x0000,
                           dataOut: data_out)
end

#off ⇒ Object 



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# File 'lib/blink_stick/color_handler.rb', line 22

def off
  self.color = [0, 0, 0]
end

#random_color ⇒ Object 



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# File 'lib/blink_stick/color_handler.rb', line 26

def random_color
  r = Random.new
  self.color = [r.rand(255), r.rand(255), r.rand(255)]
end