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Altera_Forum's avatar
Altera_Forum
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12 years ago

using epcs flash for both reset vector and store configuration

Hello all, I've tried to make a system in which the EPCS device would hold basically all information required for a working equipment. When implementing it, I couldn't open the EPCS device in N...
Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
12 years ago

The fpga pins are configured correct (I assume) because I can program the flash memory using Nios Flash programmer. My problem occurs when I try to open the flash in the Nios program using 


fd = alt_flash_open_dev("/dev/epcs_controller");

The file descriptor is NULL.