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Altera_Forum's avatar
Altera_Forum
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17 years ago

system runs whilst debugging but not on its own

Hi, I have a custom board with an EP3C40F484C6, EPCS64, DDRII and an LCD touch panel. I am using quartusII 9.0 and NIOSII EDS 9.0. When I use the niosII ide to run my program within the hardwar...
Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
17 years ago

1 - Are you using a jtag uart and if so are you printing anything to standard out? If so, you may be overflowing the jtag uart's buffer at which point the system will hang indefinitely.

2 - Is your processor configured to boot from the EPCS device?

3 - Is your processor configured to run out of onchip memory or some other memory?

4 - You should use the nios2-flash-programmer to program the EPCS device rather than the QuartusII programmer.

Jake