Class: Artoo::Adaptors::Sphero

Inherits:
Adaptor
  • Object
show all
Defined in:
lib/artoo/adaptors/sphero.rb

Overview

Connect to a Sphero device

See Also:

Constant Summary collapse

RETRY_COUNT =

Number of retries when connecting

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Instance Attribute Summary collapse

Attributes inherited from Adaptor

#parent, #port

Instance Method Summary collapse

Methods inherited from Adaptor

#connect_to, #connect_to_serial, #connect_to_tcp, #connect_to_udp, #connected?, #initialize, #reconnect

Constructor Details

This class inherits a constructor from Artoo::Adaptors::Adaptor

Dynamic Method Handling

This class handles dynamic methods through the method_missing method

#method_missing(method_name, *arguments, &block) ⇒ Object

Uses method missing to call sphero actions

See Also:



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# File 'lib/artoo/adaptors/sphero.rb', line 53

def method_missing(method_name, *arguments, &block)
  sphero.send(method_name, *arguments, &block)
end

Instance Attribute Details

#sphero ⇒ Object (readonly)

Returns the value of attribute sphero.



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# File 'lib/artoo/adaptors/sphero.rb', line 10

def sphero
  @sphero
end

Instance Method Details

#connect ⇒ Boolean

Creates a connection with Sphero object with retries

Returns:

  • (Boolean) 


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# File 'lib/artoo/adaptors/sphero.rb', line 25

def connect
  @retries_left = RETRY_COUNT
  require 'sphero' unless defined?(::Sphero)
  begin
    @sphero = ::Sphero.new(connect_to)
    super
    return true
  rescue Errno::EBUSY => e
    @retries_left -= 1
    if @retries_left > 0
      retry
    else
      Logger.error e.message
      Logger.error e.backtrace.inspect
      return false
    end
  end
end

#disconnect ⇒ Boolean

Closes connection with device

Returns:

  • (Boolean) 


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# File 'lib/artoo/adaptors/sphero.rb', line 46

def disconnect
  sphero.close
  super
end

#finalize ⇒ Boolean

Closes connection with device if connected

Returns:

  • (Boolean) 


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# File 'lib/artoo/adaptors/sphero.rb', line 17

def finalize
  if connected?
    sphero.close
  end
end