class ExtremeFeedbackDevice::Pi
Attributes
leds[R]
Public Class Methods
new(num_leds, spi_device=nil)
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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
Public Instance Methods
leds_black()
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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!()
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# File lib/extreme_feedback_device/pi.rb, line 27 def leds_black! leds_black && write! end
leds_white()
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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!()
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# File lib/extreme_feedback_device/pi.rb, line 19 def leds_white! leds_white && write! end
write!()
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# File lib/extreme_feedback_device/pi.rb, line 31 def write! spi.write_colors(colors) end
Private Instance Methods
colors()
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# File lib/extreme_feedback_device/pi.rb, line 41 def colors leds.map { |led| [led.red, led.green, led.blue] } end
spi()
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# File lib/extreme_feedback_device/pi.rb, line 37 def spi @spi ||= ExtremeFeedbackDevice::SPI.new(@spi_device) end