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Altera_Forum
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16 years ago

Problems uploading flash memory -- part 2

Hi, I used the Nios II EDS sof2flash program in the Quartus II 9.1 License Edition to convert a sof file to flash format. I attempted to use the Board Update Portal and the Nios II EDS to...
Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
15 years ago

FWIW, I am having this same problem using 10.1. This is the command I'm using:

sof2flash --pfl --input=in.sof --output=out.flash --offset=0xC20000 --optionbit=0x18000 --programmingmode=PS

or

sof2flash --pfl --input=in.sof --output=out.flash --offset=0xC20000 --optionbit=0x18000 --programmingmode=FPP

They both fail with this:

java.lang.NullPointerException

at com.altera.utilities.Launcher.read(Launcher.java:307)

at com.altera.utilities.Launcher.read(Launcher.java:362)

at com.altera.sof2flash.PFLFlashGenerator.convertHexToSREC(PFLFlashGenerator.java:239)

at com.altera.sof2flash.PFLFlashGenerator.pflgen(PFLFlashGenerator.java:37)

at com.altera.sof2flash.Sof2flash.<init>(Sof2flash.java:122)

at com.altera.sof2flash.Sof2flash.main(Sof2flash.java:77)

It's amazing to me that they have a devkit that is so difficult (if not impossible) to put your own design on. My experiences with Xilinx have been much better.