Servo Buzzer and IRTransmitter should start in :output_pwm

Author: vickash

lib/denko/motor/servo.rb

@@ -5,6 +5,7 @@ class Servo
       include Behaviors::Threaded
 
       def after_initialize(options={})
+        options[:mode] = :output_pwm
         super(options)
         @min = options[:min] || 544
         @max = options[:max] || 2400

lib/denko/pulse_io/buzzer.rb

@@ -1,6 +1,11 @@
 module Denko
   module PulseIO
     class Buzzer < PWMOutput
+      def initialize_pins(options={})
+        options[:mode] = :output_pwm
+        super(options)
+      end
+
       def after_initialize(options={})
         low
       end

lib/denko/pulse_io/ir_transmitter.rb

@@ -3,6 +3,11 @@ module PulseIO
     class IRTransmitter
       include Behaviors::OutputPin
 
+      def initialize_pins(options={})
+        options[:mode] = :output_pwm
+        super(options)
+      end
+
       def emit(pulses=[], frequency: 38)
         if pulses.length > 256 || pulses.length < 1
           raise ArgumentError, 'wrong number of IR pulses (expected 1 to 256)'