Hello everyone!

I try to communicate with an USB device: http://nopaste.info/bc655859b3.html
I want to read the 42 bytes of  bEndpointAddress 0x83  EP 3 IN.
Therefore I installed libusb(x) under my Linux and wrote this little
programm: http://nopaste.info/98c35ab092.html

I dont understand why it doesnt work, so I am asking you. My output is:

Device Opened
Claimed Interface
libusb:error [submit_bulk_transfer] submiturb failed error -1 errno=2
read Error: -1
Data read:
Released Interface

:(
Can somebody tell my what I am doing wrong?

Thx in advance, fabske :)

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