Module: AlsaRawMIDI::Device::ClassMethods

Included in:

AlsaRawMIDI::Device

Defined in:

lib/alsa-rawmidi/device.rb

Instance Method Summary

• #all ⇒ Array<Input, Output>

  All devices.

• #all_by_type ⇒ Hash

  A hash of devices, partitioned by direction.

• #first(direction) ⇒ Input, Output

  Select the first device of the given direction.

• #last(direction) ⇒ Input, Output

  Select the last device of the given direction.

Instance Method Details

#all ⇒ Array<Input, Output>

All devices

Returns:

• (Array<Input, Output>)

# File 'lib/alsa-rawmidi/device.rb', line 30

def all
  all_by_type.values.flatten
end

#all_by_type ⇒ Hash

A hash of devices, partitioned by direction

Returns:

• (Hash)

# File 'lib/alsa-rawmidi/device.rb', line 24

def all_by_type
  @devices ||= get_devices
end

#first(direction) ⇒ Input, Output

Select the first device of the given direction

Parameters:

• direction (Symbol)

Returns:

• (Input, Output)

# File 'lib/alsa-rawmidi/device.rb', line 11

def first(direction)
  all_by_type[direction].first
end

#last(direction) ⇒ Input, Output

Select the last device of the given direction

Parameters:

• direction (Symbol)

Returns:

• (Input, Output)

# File 'lib/alsa-rawmidi/device.rb', line 18

def last(direction)
  all_by_type[direction].last
end