UsbIsDeviceActive

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int UsbIsDeviceActive(UAC_HANDLE devHandle)


Return Value

Returns non-zero if the USB device is open, non-zero if the driver has been closed or USB communication has been lost.


Parameters

devHandle

The device handle of an open device. Use the value returned by UsbI2cOpen.


Remarks

Use this function to test if the USB device is open and communicating.


USBI2C API Reference
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