Class: Brewby::HeatingElement

Inherits:
Object
  • Object
show all
Defined in:
lib/brewby/heating_element.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(adapter, options = {}) ⇒ HeatingElement

Returns a new instance of HeatingElement.



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# File 'lib/brewby/heating_element.rb', line 5

def initialize adapter, options = {}
  @pulse_range = options[:pulse_range] || 1000
  @on = false
  @pulse_range_end = (Time.now.to_i * 1000) + @pulse_range
  @adapter = adapter
  @pulse_width = 0
  @name = options[:name]
end

Instance Attribute Details

#adapter ⇒ Object

Returns the value of attribute adapter.



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# File 'lib/brewby/heating_element.rb', line 3

def adapter
  @adapter
end

#name ⇒ Object

Returns the value of attribute name.



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# File 'lib/brewby/heating_element.rb', line 3

def name
  @name
end

#pulse_range ⇒ Object

Returns the value of attribute pulse_range.



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# File 'lib/brewby/heating_element.rb', line 3

def pulse_range
  @pulse_range
end

#pulse_width ⇒ Object

Returns the value of attribute pulse_width.



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# File 'lib/brewby/heating_element.rb', line 3

def pulse_width
  @pulse_width
end

Instance Method Details

#off! ⇒ Object 



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# File 'lib/brewby/heating_element.rb', line 49

def off!
  @adapter.off
end

#off? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/brewby/heating_element.rb', line 57

def off?
  !on?
end

#on! ⇒ Object 



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# File 'lib/brewby/heating_element.rb', line 45

def on!
  @adapter.on
end

#on? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/brewby/heating_element.rb', line 53

def on?
  @adapter.on?
end

#pulse ⇒ Object 



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# File 'lib/brewby/heating_element.rb', line 14

def pulse
  set_pulse_time
  update_pulse_range if pulse_exceeds_range?
  
  if pulse_within_width?
    on!
  else
    off!
  end
end

#pulse_end ⇒ Object 



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# File 'lib/brewby/heating_element.rb', line 41

def pulse_end
  @pulse_range_end - (@pulse_range - @pulse_width)
end

#pulse_exceeds_range? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/brewby/heating_element.rb', line 33

def pulse_exceeds_range?
  @pulse_time > @pulse_range_end
end

#pulse_within_width? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/brewby/heating_element.rb', line 29

def pulse_within_width?
  @pulse_time <= pulse_end
end

#set_pulse_time ⇒ Object 



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# File 'lib/brewby/heating_element.rb', line 25

def set_pulse_time
  @pulse_time = (Time.now.to_i * 1000)
end

#update_pulse_range ⇒ Object 



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# File 'lib/brewby/heating_element.rb', line 37

def update_pulse_range
  @pulse_range_end += @pulse_range
end