harmony 鸿蒙UsbEndpointDescriptor
UsbEndpointDescriptor
Overview
Defines standard endpoint descriptors, which correspond to Standard Endpoint Descriptor in the USB protocol.
Since
10
Related Modules
Summary
Member Variables
| Name | Description |
|---|---|
| bLength | Size of the descriptor, in bytes. |
| bDescriptorType | Descriptor type. |
| bEndpointAddress | Endpoint address, including the endpoint number and endpoint direction. |
| bmAttributes | Endpoint attributes, including the transfer type, synchronization type, and usage type. |
| wMaxPacketSize | Maximum packet size supported by an endpoint. |
| bInterval | Interval for polling endpoints for data transfer. |
| bRefresh | Refresh rate for audio devices. |
| bSynchAddress | Endpoint synchronization address for audio devices. |
Member Variable Description
bDescriptorType
uint8_t UsbEndpointDescriptor::bDescriptorType
Description
Descriptor type.
bEndpointAddress
uint8_t UsbEndpointDescriptor::bEndpointAddress
Description
Endpoint address, including the endpoint number and endpoint direction.
bInterval
uint8_t UsbEndpointDescriptor::bInterval
Description
Interval for polling endpoints for data transfer.
bLength
uint8_t UsbEndpointDescriptor::bLength
Description
Size of the descriptor, in bytes.
bmAttributes
uint8_t UsbEndpointDescriptor::bmAttributes
Description
Endpoint attributes, including the transfer type, synchronization type, and usage type.
bRefresh
uint8_t UsbEndpointDescriptor::bRefresh
Description
Refresh rate for audio devices.
bSynchAddress
uint8_t UsbEndpointDescriptor::bSynchAddress
Description
Endpoint synchronization address for audio devices.
wMaxPacketSize
uint16_t UsbEndpointDescriptor::wMaxPacketSize
Description
Maximum packet size supported by an endpoint.
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