g_usb_context_error_quark ()

GQuark
g_usb_context_error_quark (void);

Since 0.1.0

g_usb_context_new ()

GUsbContext *
g_usb_context_new (GError **error);

Creates a new context for accessing USB devices.

Since 0.1.0

g_usb_context_get_source ()

GUsbSource *
g_usb_context_get_source (GUsbContext *context,
                          GMainContext *main_ctx);

This function does nothing.

Since 0.1.0

g_usb_context_enumerate ()

void
g_usb_context_enumerate (GUsbContext *context);

Enumerates all the USB devices and adds them to the context.

You only need to call this function once, and any subsequent calls are silently ignored.

Since 0.2.2

g_usb_context_set_debug ()

void
g_usb_context_set_debug (GUsbContext *context,
                         GLogLevelFlags flags);

Sets the debug flags which control what is logged to the console.

Using G_LOG_LEVEL_INFO will output to standard out, and everything else logs to standard error.

Since 0.1.0

g_usb_context_get_devices ()

GPtrArray *
g_usb_context_get_devices (GUsbContext *context);

Since 0.2.2

g_usb_context_find_by_bus_address ()

GUsbDevice *
g_usb_context_find_by_bus_address (GUsbContext *context,
                                   guint8 bus,
                                   guint8 address,
                                   GError **error);

Finds a device based on its bus and address values.

Since 0.2.2

g_usb_context_find_by_vid_pid ()

GUsbDevice *
g_usb_context_find_by_vid_pid (GUsbContext *context,
                               guint16 vid,
                               guint16 pid,
                               GError **error);

Finds a device based on its bus and address values.

Since 0.2.2

G_USB_CONTEXT_ERROR

#define G_USB_CONTEXT_ERROR		(g_usb_context_error_quark ())

struct GUsbContext

struct GUsbContext;

struct GUsbContextClass

struct GUsbContextClass {
	GObjectClass			 parent_class;
	void (*device_added)		(GUsbContext		*context,
					 GUsbDevice		*device);
	void (*device_removed)		(GUsbContext		*context,
					 GUsbDevice		*device);
};

enum GUsbContextError

GUsbContextPrivate

typedef struct _GUsbContextPrivate GUsbContextPrivate;

Private GUsbContext data

The “debug-level” property

  “debug-level”              gint

Flags: Read / Write

Allowed values: [0,3]

Default value: 0

The “libusb-context” property

  “libusb-context”           gpointer

Flags: Read / Write / Construct Only

The “device-added” signal

void
user_function (GUsbContext *context,
               GUsbDevice  *device,
               gpointer     user_data)

This signal is emitted when a USB device is added.

Flags: Run Last

The “device-removed” signal

void
user_function (GUsbContext *context,
               GUsbDevice  *device,
               gpointer     user_data)

This signal is emitted when a USB device is removed.

Flags: Run Last