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Posted to commits@mynewt.apache.org by GitBox <gi...@apache.org> on 2019/03/03 00:53:03 UTC

[GitHub] wes3 opened a new pull request #1672: hw/mcu/nordic/nrf52xxx: Do not use END_START shortcut for SPIM

wes3 opened a new pull request #1672: hw/mcu/nordic/nrf52xxx: Do not use END_START shortcut for SPIM
URL: https://github.com/apache/mynewt-core/pull/1672
 
 
   Revert change that used END_START shortcut and EVENTS_STARTED
   interrupt for SPIM interface. The reason behind reverting back
   to the previous method is if interrupts are disabled/delayed too
   long it is possible to transmit unexpected bytes on the SPI
   interface. This method adds latency but insures a valid transfer.
   See issue #1667.
   
   NOTE: the reason this was not a simply revert of the git commit which added the shortcut is that there were other changes in that commit that should be in the code.

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