USBInTransferResult
Secure context: This feature is available only in secure contexts (HTTPS), in some or all supporting browsers.
Experimental: This is an experimental technology
Check the Browser compatibility table carefully before using this in production.
The USBInTransferResult
interface of the WebUSB API provides the result from a call to the transferIn()
and controlTransferIn()
methods of the USBDevice
interface. It represents the result from requesting a transfer of data from the USB device to the USB host.
Constructor
USBInTransferResult()
Experimental-
Creates a new
USBInTransferResult
object with the providedstatus
anddata
fields.
Instance properties
USBInTransferResult.data
Read only Experimental-
Returns a
DataView
object containing the data received from the USB device, if any. USBInTransferResult.status
Read only Experimental-
Returns the status of the transfer request, one of:
"ok"
- The transfer was successful."stall"
- The device indicated an error by generating a stall condition on the endpoint. A stall on the control endpoint does not need to be cleared. A stall on a bulk or interrupt endpoint must be cleared by callingclearHalt()
beforetransferIn()
can be called again."babble"
- The device responded with more data than was expected.
Specifications
Specification |
---|
WebUSB API # usbintransferresult |
Browser compatibility
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