help for flash programming error!

Hi Scott, thanks to you

It's my own project named NIOSII_DEV, and the custom board named NIOSII_DEV_BOARD.

I can programme a data file to epcs4 but can not programme it to flash(SST39VF040).

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# Programming flash with the project

$QUARTUS_ROOTDIR/bin/jre/bin/java.exe -jar $SOPC_KIT_NIOS2/bin/nios2-flash-programmer.jar --input=SST39VF040_70_4I_NH.flash --sof=__NO_SOF_PLEASE__ --base=0x00080000

Jun 24, 2005 3:53:30 PM - (??) nios2-flash-programmer: SOF-download skipped.

Jun 24, 2005 3:53:33 PM - (??) nios2-flash-programmer: Error opening target hardware

Jun 24, 2005 3:53:33 PM - (??) nios2-flash-programmer: Unable to open flash-device after successfully communicating with target.[/b]

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--armen