~aleteoryx/muditaos

ref: e6213e94077379e7d1ae6908dc2a6769fa406ccb muditaos/module-bsp/bsp/lpm/bsp_lpm.hpp -rw-r--r-- 1.2 KiB
e6213e94 — Lucjan Bryndza [EGD-5737] Merge master into experimental 5 years ago 
                                                                                
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#ifndef PUREPHONE_BSP_LPM_HPP
#define PUREPHONE_BSP_LPM_HPP

#include <optional>
#include <memory>

namespace bsp {

    class LowPowerMode
    {
      public:
        enum class CpuFrequency
        {
            Level_1, // 12 MHz
            Level_2, // 24 MHz
            Level_3, // 66 MHz
            Level_4, // 132 MHz
            Level_5, // 264 MHz
            Level_6  // 528 MHz
        };
        enum class OscillatorSource
        {
            External,
            Internal
        };

        LowPowerMode()          = default;
        virtual ~LowPowerMode() = default;

        static std::optional<std::unique_ptr<LowPowerMode>> Create();

        virtual int32_t PowerOff() = 0;
        virtual int32_t Reboot() = 0;

        virtual void SetCpuFrequency(CpuFrequency freq) = 0;
        [[nodiscard]] CpuFrequency GetCurrentFrequency() const noexcept;

        virtual void SwitchOscillatorSource(OscillatorSource source) = 0;
        [[nodiscard]] OscillatorSource GetCurrentOscillatorSource() const noexcept;

    protected:
        CpuFrequency currentFrequency = CpuFrequency::Level_6;
        OscillatorSource currentOscSource = OscillatorSource::External;
    };
} // namespace bsp

#endif //PUREPHONE_BSP_LPM_HPP