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Altera_Forum's avatar
Altera_Forum
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20 years ago

Program EPCS from user code?

I'd like to add a firmware upgrade capability to my NIOS system. Since the end user won't have a development system with JTAG I'd like to add a way of reprogramming the EPCS with FPGA con...
Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
20 years ago

Right. The .flash format is really just SREC minus a few of the S<n> types. I would probably use nios2-elf-objcopy to convert a .flash (SREC) file into a binary file.

It would be better still if you could write an SREC parser to convert (and store) the contents of these SRECs (.flash files) on the fly.

The HAL flash abstraction makes writing to CFI or EPCS transparent.

Cheers,

- slacker