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Posted to commits@mynewt.apache.org by GitBox <gi...@apache.org> on 2020/03/03 20:29:18 UTC
[GitHub] [mynewt-core] andrzej-kaczmarek opened a new pull request #2225:
kernel/arch: Add option to use BASEPRI for critical section
andrzej-kaczmarek opened a new pull request #2225: kernel/arch: Add option to use BASEPRI for critical section
URL: https://github.com/apache/mynewt-core/pull/2225
Using BASEPRI instead of PRIMASK may be beneficial if there is some interrupt in MCU which requires low latency thus preferably it has highest priority and is always enabled. For example, MCU with integrated BLE Core may have interrupt(s) that we need to handle in almost real time to switch between different modes. If there is no need to interact with OS in interrupt handler (as this would break critical sections) it's safe to keep this interrupt always enabled and have minimal latency so MCU code can take advantage of BASEPRI here.
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[GitHub] [mynewt-core] andrzej-kaczmarek merged pull request #2225:
kernel/arch: Add option to use BASEPRI for critical section
Posted by GitBox <gi...@apache.org>.
andrzej-kaczmarek merged pull request #2225: kernel/arch: Add option to use BASEPRI for critical section
URL: https://github.com/apache/mynewt-core/pull/2225
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[GitHub] [mynewt-core] apache-mynewt-bot commented on issue #2225:
kernel/arch: Add option to use BASEPRI for critical section
Posted by GitBox <gi...@apache.org>.
apache-mynewt-bot commented on issue #2225: kernel/arch: Add option to use BASEPRI for critical section
URL: https://github.com/apache/mynewt-core/pull/2225#issuecomment-594153414
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