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Using the Zybo with a OV7670 camera


Hi JColvin,

     We used zybo for our board prototype integrated with OV7670 Camera. every time I run it. I have a warning like this:

INFO: [Labtools 27-1434] Device xc7z010 (JTAG device index = 1) is programmed with a design that has no supported debug core(s) in it.
WARNING: [Labtools 27-3123] The debug hub core was not detected at User Scan Chain 1 or 3.
1. Make sure the clock connected to the debug hub (dbg_hub) core is a free running clock and is active OR
2. Manually launch hw_server with -e "set xsdb-user-bscan <C_USER_SCAN_CHAIN scan_chain_number>" to detect the debug hub at User Scan Chain of 2 or 4. To determine the user scan chain setting, open the implemented design and use: get_property C_USER_SCAN_CHAIN [get_debug_cores dbg_hub].


Hopefully you help me to fix it!


Thanks and have a nice day!


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Hi @Tiny, 

I have moved your question to a more appropriate section of the forum. 

I would personally recommend checking out this other thread on our forum here where another user is also hoping to use the Zybo with a OV7670 camera, to see if that helps. I don't believe Digilent as a project that uses that camera, but I'll ask some of our applications engineers about the errors you're getting to see if they are able to offer some feedback.


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