Class: ExtremeFeedbackDevice::Pi

Inherits:
Object
  • Object
show all
Defined in:
lib/extreme_feedback_device/pi.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(num_leds, spi_device = nil) ⇒ Pi

Returns a new instance of Pi.



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# File 'lib/extreme_feedback_device/pi.rb', line 9

def initialize(num_leds, spi_device=nil)
  @leds = []
  num_leds.times { @leds << ::Color::RGB.new }
  @spi_device = spi_device
end

Instance Attribute Details

#leds ⇒ Object (readonly)

Returns the value of attribute leds.



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# File 'lib/extreme_feedback_device/pi.rb', line 7

def leds
  @leds
end

Instance Method Details

#leds_black ⇒ Object 



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# File 'lib/extreme_feedback_device/pi.rb', line 23

def leds_black
  leds.map! { |led| ::Color::RGB::Black }
end

#leds_black! ⇒ Object 



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# File 'lib/extreme_feedback_device/pi.rb', line 27

def leds_black!
  leds_black && write!
end

#leds_white ⇒ Object 



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# File 'lib/extreme_feedback_device/pi.rb', line 15

def leds_white
  leds.map! { |led| ::Color::RGB::White }
end

#leds_white! ⇒ Object 



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# File 'lib/extreme_feedback_device/pi.rb', line 19

def leds_white!
  leds_white && write!
end

#write! ⇒ Object 



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# File 'lib/extreme_feedback_device/pi.rb', line 31

def write!
  spi.write_colors(colors)
end