Forum Discussion
Altera_Forum
Honored Contributor
9 years agoWhere is the Signaltap JTAG usb driver documentation ?
Hello, For some reasons I would like to integrate some signaltap functions in my own application. Some basic functions such as setting a trigger on a signal and receiving the signals' values....
Altera_Forum
Honored Contributor
9 years agoVirtual JTAG is one of many source level debugging node types. It's a generic type intended as interface to user specific debugging functions, and the only fully documented SLD node type.
Each SLD node type has it's own set of ir_shift and dr_shift commands to operate it. As discussed in this previous thread http://www.alteraforum.com/forum/showthread.php?t=2199, the regular access to the Quartus JTAG stack is provided by dlls that can be basically called in user applications if you understand the interface.