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CDC ECM USB-Ethernet DriverThe USB CDC ECM driver supports USB-Ethernet bridge devices which implement the USB Communication class (2) and subclass Ethernet (6). This driver is not a complete network stack device driver. Rather, it has an API which can be used to implement such a driver. On Time's network stack RTIP-32 contains such a driver. Applications which need to support CDC ECM devices should register USBCDCECM using RTURegisterCallback before any USB host controllers are registered. In addition, the network stack's driver must be loaded. For example, the RTIP-32 device driver must be installed using xn_bind_cdcecm and xn_interface_open. More information about the USB-Ethernet bridge driver's APIs are available in the RTUSB-32 Reference Manual. With the exception of function USBCDCECM, RTIP-32 users do not need to use the driver's API directly.
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