Method

GUsbDeviceget_custom_index

Declaration

guint8
g_usb_device_get_custom_index (
  GUsbDevice* self,
  guint8 class_id,
  guint8 subclass_id,
  guint8 protocol_id,
  GError** error
)

Description

Gets the string index from the vendor class interface descriptor.

Available since:0.2.5

Parameters

class_id guint8
 

A device class, e.g. 0xff for VENDOR.

subclass_id guint8
 

A device subclass.

protocol_id guint8
 

A protocol number.

error GError **
  The return location for a GError*, or NULL.

Return value

Returns: guint8
 

A non-zero index, or 0x00 for failure.