Class: PinX

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

Overview

This is a base clase used by gems rpi_pwm, rpi_led_simulator, myfirmata-plugin-led, and simple_wiimote.

Defined Under Namespace

Classes: Void

Constant Summary collapse

HIGH = 
true
LOW = 
false

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(id) ⇒ PinX

Returns a new instance of PinX.



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# File 'lib/pinx.rb', line 22

def initialize(id)
  @id = id
  @on, @blinking = false, false
end

Instance Attribute Details

#id ⇒ Object (readonly)

Returns the value of attribute id.



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# File 'lib/pinx.rb', line 20

def id
  @id
end

Instance Method Details



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# File 'lib/pinx.rb', line 64

def blink(seconds=0.5, duration: nil)

  self.stop if blinking?
  
  @blinking = true
  t2 = Time.now + duration if duration

  Thread.new do
    while @blinking do
      
      set_pin HIGH
      sleep seconds / 2.0
      break if !@blinking
      sleep seconds / 2.0 
      break if !@blinking
      
      set_pin LOW
      sleep seconds / 2.0
      break if !@blinking
      sleep seconds / 2.0 
      break if !@blinking
      
      self.off if duration and Time.now >= t2
    end
    
  end
end

#blinking? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/pinx.rb', line 27

def blinking?()
  @blinking
end

#off(durationx = nil, duration: nil) ⇒ Object Also known as: stop, low, close, unlock 



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# File 'lib/pinx.rb', line 42

def off(durationx=nil, duration: nil)
  
  set_pin LOW
  @on, @blinking = false, false      
  duration ||=  durationx
  
  @on_thread.exit if @on_thread
  @off_thread = Thread.new { (sleep duration; on()) } if duration

end

#off? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/pinx.rb', line 95

def off?() !@on end

#on(durationx = nil, duration: nil) ⇒ Object Also known as: start, high, open, lock 



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# File 'lib/pinx.rb', line 31

def on(durationx=nil, duration: nil)
  
  set_pin HIGH
  @on, @blinking = true, false
  duration ||=  durationx
  
  @off_thread.exit if @off_thread
  @on_thread = Thread.new {(sleep duration; off()) } if duration

end

#on? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/pinx.rb', line 94

def on?()  @on  end

#to_s ⇒ Object 



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# File 'lib/pinx.rb', line 97

def to_s()
  @id
end