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Altera_Forum
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16 years ago

Error after switching to NIOS 9 sp2

Hi, I was using NIOS Version 8.1 for a while. Now we are trying version 9 sp2 on the same machine. We have succesfully created new sof and ptf file. And successfully compile the code in NI...
Altera_Forum's avatar
Altera_Forum
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16 years ago

In the 'run' menu click the load JDI button, the instance ID of the debug module may have been modified during the Quartus II compilation which would cause the mismatch. If you want to see the ID open up the Nios II command shell and type 'jtagconfig -n'. I think the ID changed recently changed so if the JDI button idea doesn't work post what you see output from jtagconfig and I can probably help out. Also if you are using a Cyclone/Stratix II or earlier Nios II development board make sure you set the Quartus II unused I/O to input tri-state. This has to do with the reconfig_n pin and how it may get pulled low causing the MAX part to download an image from CFI flash immediately after your program the .sof file.