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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

i have the same problem,but my system is cyc1,and epcs4.the sopc builder has a epcs controller,but i can't open the device-flash&epcs,but can read/write flash using IORD()/IOWR(),and can not do this to epcs,why?need your help,i use quartus ii version 6.0.