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/*
* Copyright 2023 jacqueline <me@jacqueline.id.au>
*
* SPDX-License-Identifier: GPL-3.0-only
*/
#pragma once
#include <stdint.h>
#include <optional>
#include <string>
#include "freertos/FreeRTOS.h"
#include "freertos/semphr.h"
namespace drivers {
class Samd {
public:
static auto Create() -> Samd* { return new Samd(); }
Samd();
~Samd();
auto Version() -> std::string;
enum class ChargeStatus {
// There is no battery plugged into the device.
kNoBattery,
// The battery is discharging, and the current voltage level is very low.
kBatteryCritical,
// The battery is discharging.
kDischarging,
// The battery is charging over a low-current USB connection
kChargingRegular,
// The battery is charging over a high-current USB connection
kChargingFast,
// The battery is full charged, and we are still plugged in.
kFullCharge,
};
auto GetChargeStatus() -> std::optional<ChargeStatus>;
auto UpdateChargeStatus() -> void;
enum class UsbStatus {
// There is no compatible usb host attached.
kDetached,
// There is a compatible usb host attached, but USB MSC is not currently
// in use by the SAMD.
kAttachedIdle,
// The SAMD is currently exposing the SD card via USB MSC.
kAttachedMounted,
};
auto GetUsbStatus() -> UsbStatus;
auto UpdateUsbStatus() -> void;
auto ResetToFlashSamd() -> void;
auto PowerDown() -> void;
auto UsbMassStorage(bool en) -> void;
auto UsbMassStorage() -> bool;
// Not copyable or movable. There should usually only ever be once instance
// of this class, and that instance will likely have a static lifetime.
Samd(const Samd&) = delete;
Samd& operator=(const Samd&) = delete;
private:
uint8_t version_;
std::optional<ChargeStatus> charge_status_;
UsbStatus usb_status_;
};
} // namespace drivers
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