Class: RoadToRubykaigi::CalibrationSampler

Inherits:
Object
  • Object
show all
Defined in:
lib/road_to_rubykaigi/calibration_sampler.rb

Constant Summary collapse

PHASE_SECONDS = 
5

Instance Attribute Summary collapse

Instance Method Summary collapse

Instance Attribute Details

#cadences ⇒ Object (readonly)

Returns the value of attribute cadences.



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# File 'lib/road_to_rubykaigi/calibration_sampler.rb', line 5

def cadences
  @cadences
end

#intensities ⇒ Object (readonly)

Returns the value of attribute intensities.



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# File 'lib/road_to_rubykaigi/calibration_sampler.rb', line 5

def intensities
  @intensities
end

#intensity ⇒ Object (readonly)

Returns the value of attribute intensity.



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# File 'lib/road_to_rubykaigi/calibration_sampler.rb', line 5

def intensity
  @intensity
end

#raw_samples ⇒ Object (readonly)

Returns the value of attribute raw_samples.



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# File 'lib/road_to_rubykaigi/calibration_sampler.rb', line 5

def raw_samples
  @raw_samples
end

Instance Method Details

#finished? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/road_to_rubykaigi/calibration_sampler.rb', line 20

def finished?
  elapsed >= PHASE_SECONDS
end

#progress ⇒ Object 



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# File 'lib/road_to_rubykaigi/calibration_sampler.rb', line 28

def progress
  (elapsed / PHASE_SECONDS.to_f).clamp(0.0, 1.0)
end

#remaining ⇒ Object 



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# File 'lib/road_to_rubykaigi/calibration_sampler.rb', line 24

def remaining
  PHASE_SECONDS - elapsed
end

#tick ⇒ Object 



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# File 'lib/road_to_rubykaigi/calibration_sampler.rb', line 7

def tick
  Config.signal_source.drain do |data|
    sample = parse_sample(data)
    next unless sample
    @window.buffer_sample(sample)
    @raw_samples << sample
  end
  return unless @window.full?
  @intensity = @window.motion_intensity
  @intensities << @intensity
  @cadences << @window.cadence_hz if @window.cadence_ready?
end