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Altera_Forum
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13 years ago

NIOS II IDE Debugging with mixed devices in JTAG chain

Hi, I have a Cyclone IV and a TI ARM Processor connected to a single JTAG chain (looped). I can successfully program the Cyclone IV EPCS device via the JTAG chain and the Quartus programmer by add...
Altera_Forum's avatar
Altera_Forum
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13 years ago

What error message are you getting exactly? I don't use the IDE, but when using the command line nios utilities you need to specify a device number with the -d flag to tell which device in the JTAG chain to use. If the FPGA is the first in the chain, you must use a device number of 0. If you are using the GUI there must be a place in Eclipse's target window to specify the device number.