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Altera_Forum
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15 years ago

Multiple processors fail to communicate with peripherals

I have a working single-processor build on a cyclone III, running at 100 MHz that includes a jtag-uart, and RS-232 UART, some debug output PIO pins, etc. Everything in the SOPC system is running at ...
Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
15 years ago

It turns out I had the incorrect "--instance" settings when selecting Run in the NIOS IDE. After selecting "Load JDI file" the NIOS2-download argument says "--instance=1", but in the target connection tab the NIOS2-terminal argument says "--instance=0". I knew these settings were important, and I thought they had to be the same, so I tried to make them match. This was wrong. I needed to just let them stay at their default settings, and it all worked out. I just need to make sure the "--instance" on the Main tab is correct for each processor.