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TI Home » TI E2E Community » Support Forums » Low Power RF & Wireless Connectivity » Low Power RF Bluetooth® Low Energy & ANT Forum » NV Memory Read/ Write/Protect Questions?
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NV Memory Read/ Write/Protect Questions?

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Stan 59800
Posted by Stan 59800
on May 03 2011 10:47 AM
Intellectual380 points

The supplied with the BLE Stack documentation(OSAL API.pdf) obviously is obsolete as there are only information which area of MVMem is used by  ZigBee/ RF4CE in the Non-Volatile Memory API , but there is nothing what area/ID’s are used from the BLE stack and what left for Applications! Is there any actualized documentation where can see what is used from BLE stack and what left for the user’s data?

 

In the same document all the ranges are given as “ID’s” from 0x0000 to 0xFFFF – what is the “conversion “ from those “ID’s” and the real physical addresses in the NV memory (ID is equal to the address in the top flash bank or something else)?

In the IAR 7.60 the option to save the Secondary IEEE Address unchanged as it is explained in TI_BLE_Software_Developer's_Guide.pdf  doesn’t workL - whenever pass through download/debug from IAR and this information is gone :( . (doesn’t matter with or without checked "Retain unchanged memory" which btw in the new 7.60 version is renamed to "Retain unchanged pages") Any idea how could save top flash bank unchanged Or at least secondary IEEE addr and some my data)  when pass through IAR download/debug process?

 

I couldn’t find also information how exactly works the Append option in the SmartRF flash programmer? Can I append some data at defined by me address or the data/code is added immediately after last used address in the flash memory space?

Thanks

 

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  • GregS
    Posted by GregS
    on May 17 2011 20:12 PM
    Expert4155 points

    Hello,

    We may have to beef up our documentation on NV usage.  There are nv ranges in bcomdef.h and macros in osal_snv.c which may help.  Usually, when I download  IAR built image, it doesn't overwrite the secondary address. When using flash programmer, I do write the address afterwards.  One thing  to do in development until unique promary address are available is to code  the address into your init function.

    Br,

    -Greg

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