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Posted to commits@mynewt.apache.org by GitBox <gi...@apache.org> on 2022/02/18 13:48:49 UTC
[GitHub] [mynewt-core] kasjer opened a new pull request #2777: hw/mcu/da1469x: Add support for both edges GPIO interrupt trigger
kasjer opened a new pull request #2777:
URL: https://github.com/apache/mynewt-core/pull/2777
While hardware can be setup to detect only rising or falling
edge it is possible to add HAL_GPIO_TRIG_BOTH support
handled by software.
This re-arms edge of interrupt in GPIO ISR to detect next change.
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[GitHub] [mynewt-core] kasjer commented on pull request #2777: hw/mcu/da1469x: Add support for both edges GPIO interrupt trigger
Posted by GitBox <gi...@apache.org>.
kasjer commented on pull request #2777:
URL: https://github.com/apache/mynewt-core/pull/2777#issuecomment-1047225195
@wes3 @andrzej-kaczmarek Thanks for the review.
I was just trying to put it in words what Andy wrote so nicely.
Event with hardware both edge detection it's not possible to detect all edges to to processing time limit.
Real concern is not to leave detector in a state that slow change will be missed (that could happen if rising edge was expected but hi state was already present and transition to lo state could be missed).
Right now I thing we should be ready for this. If rapid changes happen during the process of decision it may happen that edge will be detected but that should not spoil anything.
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[GitHub] [mynewt-core] kasjer edited a comment on pull request #2777: hw/mcu/da1469x: Add support for both edges GPIO interrupt trigger
Posted by GitBox <gi...@apache.org>.
kasjer edited a comment on pull request #2777:
URL: https://github.com/apache/mynewt-core/pull/2777#issuecomment-1047225195
@wes3 @agross-korg Thanks for the review.
I was just trying to put it in words what Andy wrote so nicely.
Event with hardware both edge detection it's not possible to detect all edges to to processing time limit.
Real concern is not to leave detector in a state that slow change will be missed (that could happen if rising edge was expected but hi state was already present and transition to lo state could be missed).
Right now I thing we should be ready for this. If rapid changes happen during the process of decision it may happen that edge will be detected but that should not spoil anything.
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[GitHub] [mynewt-core] kasjer merged pull request #2777: hw/mcu/da1469x: Add support for both edges GPIO interrupt trigger
Posted by GitBox <gi...@apache.org>.
kasjer merged pull request #2777:
URL: https://github.com/apache/mynewt-core/pull/2777
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