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Error  on doing file operations in NMI ISR

Question asked by superccxin on Dec 17, 2011
Latest reply on Jan 17, 2012 by CraigG

Hi all!

     I'm using the watchdog timer to generate a NMI interrupt so that i can save something before my system reset(doing reset in NMI ISR). But whlie I made some file operations(like adi_FileOpen,adi_FileWrite, etc...) in NMI service routine, error ocurred! I even could not get out of the first file operation such as adi_fileopen!

     Cannot I make some file operations in the NMI ISR?

 

     By the way, I'm using the VisualDSP++ update 6.

 

thanks for all replies!

walle chen

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