managing files on SDcard

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robinguillaume
Posts: 13
Joined: Tue 5. Mar 2013, 13:52

managing files on SDcard

Post by robinguillaume » Tue 5. Mar 2013, 14:11

i am working with PCAN-GPRS
i am using fatFs to store and manage files on the SDcard.
is there a problem because SDcard are flash memories? ( due to the limited number of write on the same place)
or is it managed by fatFs or by the SD card or perhaps this problem no longer exists?
Regards

S.Michaelsen
Hardware Development
Hardware Development
Posts: 73
Joined: Fri 10. Sep 2010, 13:11

Re: managing files on SDcard

Post by S.Michaelsen » Tue 5. Mar 2013, 15:01

Hello,

this is only a problem for RAW flash devices (like NAND or NOR flash chips). Memory cards like SD-Cards have flash controllers that manages the usage of the physical momory blocks ("Wear Levelling").

Best Regards,
Stephan Michaelsen

robinguillaume
Posts: 13
Joined: Tue 5. Mar 2013, 13:52

Re: managing files on SDcard

Post by robinguillaume » Tue 5. Mar 2013, 15:11

Thank you for quick answer.
Regards

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U.Wilhelm
Sales & Support
Sales & Support
Posts: 1158
Joined: Fri 10. Sep 2010, 19:34

Re: managing files on SDcard

Post by U.Wilhelm » Wed 6. Mar 2013, 15:57

closed
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