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KLohr's avatar
KLohr
Icon for Occasional Contributor rankOccasional Contributor
7 years ago

I'm having problems using signalTap with virtual jtag.

I've ported a design using the virtual jtag IP which creates a virtual Uart on a max 10 device. I've done simpler designs that work with signaltap, but this one doesn't. As soon as I enable communica...
KLohr's avatar
KLohr
Icon for Occasional Contributor rankOccasional Contributor
7 years ago

Hi, I finally got back on this section of the fpga. I still get Unexpected JTAG communication error in signaltap when I run my tcl script. There is no problem if I simply write the VJTAG with a value and read one value back. It's only when I instantiate a wait loop that is continually reading the VJTAG that it causes the signaltap problem. I've attached my tcl script if it's any help.