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8d79f27d51
Documentation describing the Low Power control algorithm and synchronization with the system using dedicated sentinels and drivers.
31 lines
9.0 KiB
XML
31 lines
9.0 KiB
XML
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stroke-width: 1.0;"/><path d="M861,239.7656 L861,249.7656 L871,249.7656 L861,239.7656 " fill="#FBFB77" style="stroke: #A80036; stroke-width: 1.0;"/><text fill="#000000" font-family="sans-serif" font-size="13" lengthAdjust="spacingAndGlyphs" textLength="98" x="746" y="256.8325">Critical section!</text><text fill="#000000" font-family="sans-serif" font-size="13" lengthAdjust="spacingAndGlyphs" textLength="110" x="746" y="271.9653">mutex necessary</text><!--MD5=[6c4788b841e800cf870b69c0ce829c52]
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@startuml
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PowerManager -> CpuGovernor : GetMinimumFrequencyRequested
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CpuGovernor - -> PowerManager : minimumFrequency
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...CPU frequency change...
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PowerManager -> CpuGovernor : CpuFrequencyHasChanged
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CpuGovernor -> cellularSentinel : CpuFrequencyHasChanged
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CpuGovernor -> eInkSentinel : CpuFrequencyHasChanged
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eInkSentinel -> DriverPWM : updatePWM
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note right
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Critical section!
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mutex necessary
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end note
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@enduml
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PlantUML version 1.2019.11(Sun Sep 22 12:02:15 CEST 2019)
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(EPL source distribution)
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Java Runtime: OpenJDK Runtime Environment
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JVM: OpenJDK 64-Bit Server VM
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Java Version: 14.0.2+12-46
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Operating System: Linux
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Default Encoding: UTF-8
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Language: pl
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Country: PL
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--></g></svg> |