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Altera_Forum
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17 years ago

help: reconfiguration,error!

hello, my system includes cyclone1, epcs4, ext_flash,and so on. configuration data is stored in epcs, and nios program is stored in ext_flash. now, i compiled two projects, and they were only ...
Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
17 years ago

hi,

this problem has been resolved.

when i try to modify some bytes in one sector/block, the fpga run by mistake, but when i wrote the whole block including the different bytes, it's ok! i don't know why.

when it run by mistake(under modifying the different bytes), i downloaded an sof file into fpga(not epcs) in quartus, and run nios ii, i read the whole block, i found the whole block was filled with "0xFF".