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Altera_Forum's avatar
Altera_Forum
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18 years ago

Nios II can't open "/device/epcs_controller"

Got the message when running "memtest_1" and selecting "Test EPCS Serial Flash" from NIOS II IDE: -ERROR: Could not open /dev/epcs_controller I have a simple (test case) SOPC system cont...
Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
18 years ago

Problem solved. Need to enable a variable in the *.ptf file when porting from 6.1 to 7.2SP3. Altera changed how the EPCS is handled between these 2 versions. Also, if your board need to have both the FPGA and HC chips along with EPCS you'll need this mod.