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67 lines
1.7 KiB
67 lines
1.7 KiB
/*
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* Copyright 2023 jacqueline <me@jacqueline.id.au>
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*
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* SPDX-License-Identifier: GPL-3.0-only
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*/
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#pragma once
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#include <optional>
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#include "freertos/FreeRTOS.h"
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#include "freertos/semphr.h"
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namespace drivers {
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class Samd {
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public:
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static auto Create() -> Samd* { return new Samd(); }
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Samd();
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~Samd();
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enum class ChargeStatus {
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// There is no battery plugged into the device.
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kNoBattery,
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// The battery is discharging, and the current voltage level is very low.
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kBatteryCritical,
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// The battery is discharging.
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kDischarging,
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// The battery is charging over a low-current USB connection
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kChargingRegular,
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// The battery is charging over a high-current USB connection
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kChargingFast,
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// The battery is full charged, and we are still plugged in.
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kFullCharge,
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};
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auto GetChargeStatus() -> std::optional<ChargeStatus>;
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auto UpdateChargeStatus() -> void;
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enum class UsbStatus {
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// There is no compatible usb host attached.
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kDetached,
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// There is a compatible usb host attached, but USB MSC is not currently
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// in use by the SAMD.
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kAttachedIdle,
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// The SAMD is currently exposing the SD card via USB MSC.
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kAttachedMounted,
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};
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auto GetUsbStatus() -> UsbStatus;
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auto UpdateUsbStatus() -> void;
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auto ResetToFlashSamd() -> void;
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auto PowerDown() -> void;
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// Not copyable or movable. There should usually only ever be once instance
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// of this class, and that instance will likely have a static lifetime.
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Samd(const Samd&) = delete;
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Samd& operator=(const Samd&) = delete;
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private:
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std::optional<ChargeStatus> charge_status_;
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UsbStatus usb_status_;
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};
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} // namespace drivers
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