How do you access the persistent memory/non volatile area in 22F?

[cwati]

Is there an existing way, or readily available API in the K22F bare metal code that comes with the basic demos, to read/write into persistent memory? (So the values are stored across reboot).

Specifically, we're using MK22FN256xxx12, so it's not quite the Freedom board since it has less flash.

Thanks,
Cecylia

[jeremyzhou]

Hi Cecylia,

I'd highly recommend you to use the stand software driver which consist of a set of APIs, and the stand software driver for the C90TFS/FTFx flash will provide driver functions to perform high-speed program/erase operation.

Please go for download the driver through the link as below, it also has some demo for referring to.

http://cache.freescale.com/files/32bit/software/C90TFS_FLASH_DRIVER.exe?fromsite=zh-Hans
Have a great day,
Ping

-----------------------------------------------------------------------------------------------------------------------
Note: If this post answers your question, please click the Correct Answer button. Thank you!
-----------------------------------------------------------------------------------------------------------------------

[cwati]

Thank you! We'll give it a try.