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Posted to commits@mynewt.apache.org by GitBox <gi...@apache.org> on 2019/01/25 00:39:07 UTC

[GitHub] saulpw opened a new pull request #1613: Fix disconnect during OTA by spacing out erases (#2)

saulpw opened a new pull request #1613: Fix disconnect during OTA by spacing out erases (#2)
URL: https://github.com/apache/mynewt-core/pull/1613
 
 
   * Erasing the entire flash image size at once can take significant time, causing a bluetooth disconnect or significant battery sag.  Instead, we erase immediately prior to crossing a sector while writing the image.
   
   * We could check for empty to increase efficiency.  However, for simplicity and consistency we will always erase lazily.
   
   * wrap with `MYNEWT_VAL(IMGMGR_LAZY_ERASE)`.  Set IMGMGR_LAZY_ERASE to 0 to disable, 1 to enable.

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