Input

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Object Hierarchy:

Description:

Content:

Constants:

• public const unowned string EV3_BUTTONS_NAME
  The name of the input device associated with the buttons on the EV3 brick itself.
• public const unowned string EV3_SPEAKER_BEEP_NAME
  The name of the input device associated with the speaker on the EV3 brick itself.

Properties:

• public string? name { get; }
  Gets the name of the input device.
• public string device_name { get; }
• public string event_device_name { get; }
  Gets the sysfs device node name for the event device associated with this input device.
• public InputCapability capabilities { get; }
  Gets the capabilities of this input device.

Methods:

• public bool get_bit_at (uint offset, uint8[] data)
  Gets the value of a bit in a byte array.
• public bool has_capability (InputCapability capability)
  Check if an input device has the specified capability.
• public bool has_key (uint key_code)
  Check if an input device has the specified key.
• public bool get_key_state (uint key_code)
  Check if a key is currently pressed.
• public bool has_sound_capability (SoundCapability capability)
  Check if the device supports the specified sound capability.
• public void do_bell (bool on)
  Turns the "bell" of a sound device on or off.
• public void do_tone (int frequency)
  Sets the frequency of the a sound device.

Signals:

• public signal void key_down (uint key_code)
  Emitted when a key is pressed.
• public signal void key_up (uint key_code)
  Emitted when a key is released.

Inherited Members: