Class: Blinky::LightFactory

Inherits:
Object
  • Object
show all
Defined in:
lib/blinky/light_factory.rb

Class Method Summary collapse

Class Method Details

.detect_lights(plugins, recipes) ⇒ Object 



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# File 'lib/blinky/light_factory.rb', line 4

def self.detect_lights plugins, recipes
  lights = []
  found_devices = [] 
  USB.devices.each do |device| 
    found_devices << device  
    matching_recipe = recipes[device.idVendor][device.idProduct] 
    if matching_recipe
      lights << Light.new(device.open, matching_recipe, plugins)
    end
  end
  raise NoSupportedDevicesFound.new found_devices if lights.empty?
  lights
end