Class: Musa::Clock::TimerClock

Inherits:
Clock
  • Object
show all
Defined in:
lib/musa-dsl/transport/timer-clock.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Methods inherited from Clock

#on_change_position, #on_start, #on_stop, #running?

Constructor Details

#initialize(period = nil, ticks_per_beat: nil, bpm: nil, correction: nil, delayed_ticks_error: nil, logger: nil, do_log: nil) ⇒ TimerClock

Returns a new instance of TimerClock.



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# File 'lib/musa-dsl/transport/timer-clock.rb', line 6

def initialize(period = nil, ticks_per_beat: nil, bpm: nil, correction: nil, delayed_ticks_error: nil, logger: nil, do_log: nil)
  do_log ||= false

  super()

  @correction = correction

  self.period = period if period
  self.ticks_per_beat = ticks_per_beat if ticks_per_beat
  self.bpm = bpm if bpm

  self.bpm ||= 120
  self.ticks_per_beat ||= 24

  @started = false
  @paused = false

  @delayed_ticks_error = delayed_ticks_error
  @logger = logger
  @do_log = do_log
end

Instance Attribute Details

#bpm ⇒ Object

Returns the value of attribute bpm.



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# File 'lib/musa-dsl/transport/timer-clock.rb', line 28

def bpm
  @bpm
end

#period ⇒ Object

Returns the value of attribute period.



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# File 'lib/musa-dsl/transport/timer-clock.rb', line 28

def period
  @period
end

#ticks_per_beat ⇒ Object

Returns the value of attribute ticks_per_beat.



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# File 'lib/musa-dsl/transport/timer-clock.rb', line 28

def ticks_per_beat
  @ticks_per_beat
end

Instance Method Details

#continue ⇒ Object 



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# File 'lib/musa-dsl/transport/timer-clock.rb', line 98

def continue
  if @started && @paused
    @paused = false
    @timer.continue
  end
end

#pause ⇒ Object 



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# File 'lib/musa-dsl/transport/timer-clock.rb', line 91

def pause
  if @started && !@paused
    @timer.stop
    @paused = true
  end
end

#paused? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/musa-dsl/transport/timer-clock.rb', line 52

def paused?
  @paused
end

#run ⇒ Object 



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# File 'lib/musa-dsl/transport/timer-clock.rb', line 56

def run
  @run = true

  while @run
    @timer = Timer.new(@period,
                       correction: @correction,
                       stop: true,
                       delayed_ticks_error: @delayed_ticks_error,
                       logger: @logger,
                       do_log: @do_log)

    @timer.run do
      yield if block_given?
    end
  end
end

#start ⇒ Object 



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# File 'lib/musa-dsl/transport/timer-clock.rb', line 73

def start
  unless @started
    @on_start.each(&:call)
    @started = true
    @paused = false
    @timer.continue
  end
end

#started? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/musa-dsl/transport/timer-clock.rb', line 48

def started?
  @started
end

#stop ⇒ Object 



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# File 'lib/musa-dsl/transport/timer-clock.rb', line 82

def stop
  if @started
    @timer.stop
    @started = false
    @paused = false
    @on_stop.each(&:call)
  end
end

#terminate ⇒ Object 



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# File 'lib/musa-dsl/transport/timer-clock.rb', line 105

def terminate
  @run = false
end