Jacob created MYNEWT-747:
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Summary: Impossible to newtmgr upload firmware to nrf51 devices
Key: MYNEWT-747
URL: https://issues.apache.org/jira/browse/MYNEWT-747
Project: Mynewt
Issue Type: Bug
Components: Image Mgmt, Newtmgr
Environment: All
Reporter: Jacob
Assignee: Marko Kiiskila
It is currently not possible to upload firmware to a nrf51 device.
Mailing list discussion:
https://lists.apache.org/thread.html/bc99b1c75790198685d40a12e8e49de12f0b9e8891f93f2fd9a95f0d@%3Cdev.mynewt.apache.org%3E
Logs show:
832:[ts=6499968ssb, mod=4 level=0] Disconnection Complete: status=0 handle=1
reason=8
Appears to be related to the flash erase
https://github.com/apache/incubator-mynewt-core/blob/cb23f34e9b55de68078c0c2200b268cf536d003b/mgmt/imgmgr/src/imgmgr.c#L324
Flash erase is blocking and takes a while, so traditionally on nordic softdevic
schedule to work outside of radio events as much as possible. newtmgr isnt and
probably shouldn't be coupled down to the radio abstraction.
Nordic forum also talks about altering intervals and latencies,
https://devzone.nordicsemi.com/question/24290/slow-flash-erase-performance-with-sd_flash_page_erase/?answer=24361#post-id-24361
but discussion on the list also found that a lacking solution
One possible solution discussed solution was to separate erase from upload
commands
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