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Intermitted Resets During Writing

Last updated: 2018-07-25
Question:
What happens if intermitting resets occur during writing?
Answer:
If writing a block is intermitted (e.g. due to a reset) a fragment of the currently written instance remains in the data flash. No matter if the intermission occurred during writing management or payload data, the next read operation cannot restore this instance of the block.

Only for Standard Fee:

If an older valid instance is already stored, old data will be read. The application is not informed that it receives older or even outdated Information.The Error Status is NVM_REQ_OK.

If no older valid instance is in flash, no data is returned. Reading ends with the return value NVM_REQ_NV_INVALIDATED or ROM defaults are loaded or InitBlock Callback is called if configured.

Only for Small Sector Fee: 

No older instance is read and the application gets no data. The Error Status is NvM_REQ_INTEGRITY_FAILED.
 
 
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2018-07-25
Views: 135