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which file system?!

hi,

 

i want to use the cRIO - system to log a huge amount of data in the fastest way that's possible. (file size about 50.000 measured data)

i want to read or write data from/to an usb device, which is connected to the cRIO controller, for a long time (a few hours) and i'm looking for the best file system that can handle it in the fastest way.

i'm thinking about to use a fifo-dma to read data very fast from the usb-device and transfer it to the fpga and then indicates these data (read from usb-case) or i read data from an analog module and write it via fifo-dma from the fpga to the host and save it on the usb-device (write to usb-case).

so my question is: what file system should i use to do this? (*.tdms, *.tms, *.xml, *.txt, ...)

what's the big differences between this file systems?

 

thanks for your reply,

best regards,

Simon Gabriel

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Hey,

 

If you wanna put additional information together with your data you should use TDMS. If you just need to write I32 data or a selfbuild format like a cluster then I would suggest to use binary file I/O functions. You will find some information about TDMS here: http://zone.ni.com/devzone/cda/tut/p/id/5696

 

 

Christian 

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