WDF_USB_BMREQUEST_TYPE enumeration
[Applies to KMDF and UMDF]
The WDF_USB_BMREQUEST_TYPE enumeration identifies the data transfer type for a USB control transfer.
Syntax
typedef enum _WDF_USB_BMREQUEST_TYPE { BmRequestStandard = BMREQUEST_STANDARD, BmRequestClass = BMREQUEST_CLASS, BmRequestVendor = BMREQUEST_VENDOR } WDF_USB_BMREQUEST_TYPE;
Constants
- BmRequestStandard
-
The data transfer is a standard USB control transfer.
- BmRequestClass
-
The data transfer is a device class-specific USB control transfer.
- BmRequestVendor
-
The data transfer is a vendor-specific USB control transfer.
Remarks
The WDF_USB_BMREQUEST_TYPE enumeration is used in the WDF_USB_CONTROL_SETUP_PACKET structure.
For more information about data transfer types for a USB control transfer, see the USB specification.
Requirements
|
Minimum KMDF version | 1.0 |
|---|---|
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Minimum UMDF version | 2.0 |
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Header |
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See also
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