Method
GUsbDevicecontrol_transfer_async
since: 0.1.0
Declaration
void
g_usb_device_control_transfer_async (
GUsbDevice* self,
GUsbDeviceDirection direction,
GUsbDeviceRequestType request_type,
GUsbDeviceRecipient recipient,
guint8 request,
guint16 value,
guint16 idx,
guint8* data,
gsize length,
guint timeout,
GCancellable* cancellable,
GAsyncReadyCallback callback,
gpointer user_data
)
Description
Do an async control transfer.
Available since: 0.1.0
This method completes asynchronously. Use g_usb_device_control_transfer_finish()
inside the GAsyncReadyCallback
to obtain the result of the operation.
Parameters
direction
-
Type:
GUsbDeviceDirection
No description available.
request_type
-
Type:
GUsbDeviceRequestType
No description available.
recipient
-
Type:
GUsbDeviceRecipient
No description available.
request
-
Type:
guint8
No description available.
value
-
Type:
guint16
No description available.
idx
-
Type:
guint16
No description available.
data
-
Type: An array of
guint8
A suitably-sized data buffer for either input or output.
The length of the array is specified in the length
argument.The data is owned by the caller of the method. length
-
Type:
gsize
The length field for the setup packet.
timeout
-
Type:
guint
Timeout timeout (in milliseconds) that this function should wait before giving up due to no response being received. For an unlimited timeout, use 0.
cancellable
-
Type:
GCancellable
A
GCancellable
, orNULL
.The argument can be NULL
.The data is owned by the caller of the method. callback
-
Type:
GAsyncReadyCallback
The function to run on completion.
The argument can be NULL
. user_data
-
Type:
gpointer
The data to pass to
callback
.The argument can be NULL
.The data is owned by the caller of the method.