[jira] [Resolved] (MYNEWT-790) syscfg - Allow a package to override its own setting

["Christopher Collins (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/MYNEWT-790?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Christopher Collins resolved MYNEWT-790.
----------------------------------------
    Resolution: Fixed

> syscfg - Allow a package to override its own setting 
> -----------------------------------------------------
>
>                 Key: MYNEWT-790
>                 URL: https://issues.apache.org/jira/browse/MYNEWT-790
>             Project: Mynewt
>          Issue Type: Bug
>      Security Level: Public(Viewable by anyone) 
>          Components: Newt
>            Reporter: Christopher Collins
>            Assignee: Christopher Collins
>              Labels: doc
>             Fix For: v1_1_0_rel
>
>
> (Pull request: https://github.com/apache/incubator-mynewt-newt/pull/74)
> PKG-A can only override a setting defined by PKG-B if PKG-A has a greater priority than PKG-B. If PKG-A's priority is less than or equal to PKG-B's, the override attempt is rejected and reported as a priority violation.
> This commit relaxes that rule slightly: a package can override settings that it itself defines.
> This behavior is needed for making a setting's default value conditional on another setting. For example:
> {noformat}
>     syscfg.defs:
>         TIMER_0:
>             description: 'NRF52 Timer 0'
>             value:  1
>         TIMER_3:
>             description: 'NRF52 Timer 3'
>             value:  0
>     # Use timer 3 instead of timer 0 if target wants to use the low
>     # power clock.
>     syscfg.vals.BLE_LP_CLOCK:
>         TIMER_0: 0
>         TIMER_3: 1
> {noformat}



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