web api instance method
USBDevice: transferIn() method
Limited availabilitySecure contextAvailable in workers
The transferIn() method of the USBDevice
interface returns a Promise that resolves with a
USBInTransferResult when bulk or interrupt data is received from the USB
device.
Syntax
transferIn(endpointNumber, length)
Parameters
endpointNumber- : The number of a device-specific endpoint (buffer).
length- : The maximum number of bytes that will be read back from the device. The actual data
is in the
USBInTransferResultin the resolved Promise.
- : The maximum number of bytes that will be read back from the device. The actual data
is in the
Return value
A Promise that resolves with a USBInTransferResult.
Specifications
SpecificationsStandards references are available on the canonical MDN page.
Browser compatibility
Browser compatibilityCompatibility data is available on the canonical MDN page.