Context

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Object Hierarchy:

Description:

Content:

Properties:

• public int debug_level { get; set; }
• public void* libusb_context { get; }

Static methods:

• public static Quark error_quark ()

Creation methods:

• public Context () throws Error
  Creates a new context for accessing USB devices.

Methods:

• public void enumerate ()
  Enumerates all the USB devices and adds them to the context.
• public Device find_by_bus_address (uint8 bus, uint8 address) throws Error
  Finds a device based on its bus and address values.
• public Device find_by_platform_id (string platform_id) throws Error
  Finds a device based on its platform id value.
• public Device find_by_vid_pid (uint16 vid, uint16 pid) throws Error
  Finds a device based on its bus and address values.
• public GenericArray<Device> get_devices ()
• public ContextFlags get_flags ()
  Sets the flags to use for the context.
• public uint get_hotplug_poll_interval ()
  Gets the poll interval for platforms like Windows that do not support `LIBUSB_CAP_HAS_HOTPLUG`.
• public unowned MainContext get_main_context ()
  Gets the internal GMainContext to use for synchronous methods.
• public unowned Source get_source (MainContext main_ctx)
  This function does nothing.
• public bool load (Object json_object) throws Error
  Loads the context from a JSON object.
• public bool load_with_tag (Object json_object, string tag) throws Error
  Loads any devices with a specified tag into the context from a JSON object.
• public bool save (Builder json_builder) throws Error
  Saves the context to an existing JSON builder.
• public bool save_with_tag (Builder json_builder, string tag) throws Error
  Saves any devices with a specified tag into an existing JSON builder.
• public void set_debug (LogLevelFlags flags)
  Sets the debug flags which control what is logged to the console.
• public void set_flags (ContextFlags flags)
  Sets the flags to use for the context.
• public void set_hotplug_poll_interval (uint hotplug_poll_interval)
  Sets the poll interval for platforms like Windows that do not support `LIBUSB_CAP_HAS_HOTPLUG`.
• public void set_main_context (MainContext main_ctx)
  Sets the internal GMainContext to use for synchronous methods.
• public Device wait_for_replug (Device device, uint timeout_ms) throws Error
  Waits for the device to be replugged.

Signals:

• public virtual signal void device_added (Device device)
  This signal is emitted when a USB device is added.
• public virtual signal void device_changed (Device device)
  This signal is emitted when a USB device is changed.
• public virtual signal void device_removed (Device device)
  This signal is emitted when a USB device is removed.

Inherited Members: