Difference between revisions of "Unit USBCDCETHERNET"
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Revision as of 06:20, 9 September 2021
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Description
USB CDC Ethernet Driver unit
The Ethernet model is part of the USB Communications Device Class (CDC) standard which allows ethernet based networking devices to be supported by USB with a standardized protocol for data transfer and link status.
A CDC Ethernet device is defined by information in the interface descriptors and is not specific to any product and vendor ID. There are numerous devices that support the CDC Ethernet protocol including a number of external adapters and combination hubs.
This driver presents any device recognized as a CDC Ethernet as a standard network device that can be accessed using the API in the Network, Winsock, Winsock2 and Sockets units. It should not be necessary to directly call any of the functions in this unit from application code.
Note: The QEMU emulations of the Raspberry Pi Zero/A+/2B/3A+/3B use a USB CDC Ethernet device.
Constants
To be documented
Type definitions
To be documented
Public variables
None defined
Function declarations
To be documented
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