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USB Low-Full-High Speed Peripherals

Anonymous
Not applicable

Hi. I'm wondering if anyone can help me with either an exmaple or understanding how this thing works?  I am having trouble trying to program the chip over HPI in co-processor mode.  If I bypass the CY16 processor then I'm able to read a setup packet from memory.  However, when I try to reply to the packet, I don't get a response. The chip just sits in an infinate loop of bus reset, setup packet (get descriptor).

   

If I allow the CY16 to handle the descriptors then I run into a problem with vendor setup packets. I don't know how to program the CY16 to allow me to reply, or load replys into memory.

   

Any help would be greatly appreciated..

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Anonymous
Not applicable

How did you solve this problem at the end? did you use the CY7C67200?

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