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Documentation describing the Low Power control algorithm and synchronization with the system using dedicated sentinels and drivers.
20 lines
413 B
Plaintext
20 lines
413 B
Plaintext
@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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