Curious about your motivation for (4) multiple copies. If you don't
succeed with (3) data integrity, you won't be able to tell that you need a
different copy. If you do, you'll know on the first read whether that copy
is valid: if it is you don't need the others, and if it isn't then the
others probably got corrupted by the removal of the SD card during or
before the first write so you can't use them either. Seems (4) doesn't add
value.
Peter
On Fri, Jun 7, 2013 at 11:32 AM, ravim <ravi.mandl...@gmail.com> wrote:
> Thank you gentlemen for the responses.
>
> I figured out following things I will do since I have a deadline..
>
> 1. Choose more reliable SD card (I am still looking for options)
> 2. Introducing button interrupt to stop writing process and then blinking
> LEDs for to make aware of safe ejection. I will make sure that every
> stakeholder follow the process.
> 3. Data integrity - using checksum on sectors and CRC on data packets ( CRC
> I have already done, checksum I am in process of implementing)
> 4. Multiple copies of data packets will be sent to make system more
> reliable.
>
> I really appreciate your responses and time.
> Thanks and regards
> Ravi
>
>
>
> --
> View this message in context:
> http://msp430-gcc-users.1086195.n5.nabble.com/A-question-about-SD-Card-write-on-MSP-EXP430F5529-tp6710p6715.html
> Sent from the MSP430 gcc - Users mailing list archive at Nabble.com.
>
>
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