Hello Maxim, If you are a USB host, you don't need a VID or PID. Those are for the USB device to tell the host identifying information. For example, a PC would use the VID/PID to check for any associated USB drivers. I am not familiar with the Linux code you are posting, but in general the DLP6500 EVM should have it's own VID/PID that it will send as part of enumeration. As far as receiving data goes, that event should work fine for understanding when you have received data.
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