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Altera_Forum
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20 years ago

Problem Downloading in Nios IDE

I am trying to program is simple "Hello World" program into a Nios II running in a Cyclone (EP1C6T144) which is on a custom board. I'm using Quartus 5.0 and the USB byte-blaster. When I select "R...
Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
20 years ago

I've tried everything that Baycool suggested and still nothing. I've put together a second board and it is acting the same way. When I did the jtagconfig -n command in the SDK shell I get the first two lines correctly followed by 30 nodes! I only have one Cyclone FPGA and as far as I know I only have one Nios II. What could cause that?

I've been fighting this Nios problem for a while now. When I first tried to program the Cyclone through the JTAG port, the Quartus II programmer would not program the Cyclone and return the message that "Config_done does not go high". Only after I programed a .pof file into the EPCS flash (thereby loading the configuration using active serial) was I able to program the cyclone through the JTAG. Could these two seemingly unrelated problems have a common link?

Rgds,

Danny