Class: RubyHid::Store

Inherits:
OpenStruct
  • Object
show all
Defined in:
lib/ruby_hid/store.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize ⇒ Store

Returns a new instance of Store.



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# File 'lib/ruby_hid/store.rb', line 7

def initialize
  super
  init_observers
  init_device
end

Instance Attribute Details

#device ⇒ Object

Returns the value of attribute device.



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# File 'lib/ruby_hid/store.rb', line 5

def device
  @device
end

Instance Method Details

#normalise(key) ⇒ Object 



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# File 'lib/ruby_hid/store.rb', line 13

def normalise(key)
  value = @table[key]
  if value
    if Store.is_button?(key)
      value
    else # it's an axis
      range = Store.value_range(key)
      if range.respond_to?(:size)
        size = range.size
      else
        size = (range.max - range.min).abs + 1
      end
      (value - range.min).to_f / size
    end
  else
    0
  end
end

#normalised_hash ⇒ Object 



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# File 'lib/ruby_hid/store.rb', line 32

def normalised_hash
  @table.keys.inject({}) do |result, key|
    result[key] = normalise(key)
    result
  end
end