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Altera_Forum
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15 years ago

Is there any virtual jtag C API functions?

Dear All, I am using Altera Virtual Jtag to develop my own debug tool on FPGA. I notice that on host PC, I have to write Tcl script and evaluated it through quartus_stp.exe shell prog...
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Altera_Forum
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15 years ago

Perhaps it would be helpful if more customers request this information from support and field application engineers. In 2008, Altera decided to include a detailed JTAG Hub protocol documentation in V2.0 release of the Virtual JTAG Megafunction users guide, a piece of information that has been asked before by customers repeatedly.

http://www.alteraforum.com/forum/showthread.php?t=4293

It turned out, that the information had been undisclosed before in an Altera patent application, a place where no one expected it.

http://www.alteraforum.com/forum/showthread.php?t=1686

P.S.: Actually, I meant that the information has been disclosed by Altera before.