boot loader - Update design doc.
Project: http://git-wip-us.apache.org/repos/asf/incubator-mynewt-core/repo
Commit:
http://git-wip-us.apache.org/repos/asf/incubator-mynewt-core/commit/bd9cb1c3
Tree: http://git-wip-us.apache.org/repos/asf/incubator-mynewt-core/tree/bd9cb1c3
Diff:
Boot loader update
1. Increase copy magic number from 4 bytes to 16.
2. Ensure magic, status, and swap state get written sequentially within
a sector.
3. Standardize on the flash_map API (flash_area_open(), etc.).
Previously, we were using both the flash map API and direct HAL flash
