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97538c8969
Extends reboot reason codes after reboot to updater to detect updater command requests: Update, FactoryReset and the Recovery. Signed-off-by: Lucjan Bryndza <lucjan.bryndza@mudita.com>
69 lines
2.4 KiB
C++
69 lines
2.4 KiB
C++
// Copyright (c) 2017-2021, Mudita Sp. z.o.o. All rights reserved.
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// For licensing, see https://github.com/mudita/MuditaOS/LICENSE.md
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#ifndef PUREPHONE_POWERMANAGER_HPP
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#define PUREPHONE_POWERMANAGER_HPP
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#include <functional>
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#include "bsp/lpm/bsp_lpm.hpp"
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#include "drivers/semc/DriverSEMC.hpp"
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#include "CpuGovernor.hpp"
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namespace sys
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{
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inline constexpr uint32_t frequencyShiftLowerThreshold{40};
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inline constexpr uint32_t frequencyShiftUpperThreshold{60};
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inline constexpr uint32_t maxBelowThresholdCount{50};
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inline constexpr uint32_t maxAboveThresholdCount{3};
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class PowerManager
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{
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public:
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PowerManager();
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~PowerManager();
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int32_t PowerOff();
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int32_t Reboot();
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int32_t RebootToUpdate(UpdateReason reason);
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/// called periodically to calculate the CPU requirement
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///
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/// if for the last 'maxAboveThresholdCount' periods the current CPU consumption has been above the set upper
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/// limit (frequencyShiftUpperThreshold), CPU frequency is increased; if for the last 'maxBelowThresholdCount'
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/// periods the current CPU usage was below the lower limit (frequencyShiftLowerThreshold), CPU frequency is
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/// reduced frequency
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/// @param current cpu load
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void UpdateCpuFrequency(uint32_t cpuLoad);
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/// called when the CPU frequency needs to be increased
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/// @note the frequency is always increased to the maximum value
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void IncreaseCpuFrequency() const;
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/// called when the CPU frequency needs to be reduced
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/// @note the frequency is always reduced by one step
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void DecreaseCpuFrequency() const;
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[[nodiscard]] auto getExternalRamDevice() const noexcept -> std::shared_ptr<devices::Device>;
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void RegisterNewSentinel(std::shared_ptr<CpuSentinel> newSentinel) const;
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void SetCpuFrequencyRequest(std::string sentinelName, bsp::CpuFrequencyHz request);
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void ResetCpuFrequencyRequest(std::string sentinelName);
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private:
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void ResetFrequencyShiftCounter();
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void SetCpuFrequency(bsp::CpuFrequencyHz freq) const;
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uint32_t belowThresholdCounter{0};
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uint32_t aboveThresholdCounter{0};
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std::unique_ptr<bsp::LowPowerMode> lowPowerControl;
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std::shared_ptr<drivers::DriverSEMC> driverSEMC;
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std::unique_ptr<CpuGovernor> cpuGovernor;
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};
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} // namespace sys
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#endif // PUREPHONE_POWERMANAGER_HPP
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