Function USBCDCECMStatus

USBCDCECMStatus can be used to query the status of an interface:

int USBCDCECMStatus(int DeviceIndex);

Parameters

DeviceIndex

Zero-based index of the CDC ECM interface.

return value

One of the values given below or a negative error code on failure. Code RTU_DISCONNECTED means that no CDC ECM device is currently connected on the given index.

If an CDC ECM device is present on the interface, one of the following values will be returned:

Value	Meaning
0	The device is present, but no media mode has been established yet
10	The device is connected at 10Mbs, half duplex mode
20	The device is connected at 10Mbs, full duplex mode
100	The device is connected at 100Mbs, half duplex mode
200	The device is connected at 100Mbs, full duplex mode
1000	The device is connected at 1000Mbs, half duplex mode
2000	The device is connected at 1000Mbs, full duplex mode

Function USBCDCECMInit

Down Function USBCDCECMSendFrame