USB OTG interface on Zedboard -


i working on zynq based zedboard designed avnet. want use usb functionality of zedboard. want write c code on processor access data attached device (e.g. camera). drivers available given xilinx. can me out in c code? how use these functions. 

int xusbps_epbuffersend(xusbps instanceptr, u8 epnum, const u8 bufferptr, u32 bufferlen); int xusbps_epbufferreceive(xusbps instanceptr, u8 epnum, u8 bufferptr, u32 bufferlenptr, u32 handle);

i not understand how set value epnum & handle.


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