eive-obsw/bsp_q7s/memory/SdCardManager.h

#ifndef BSP_Q7S_MEMORY_SDCARDACCESSMANAGER_H_
#define BSP_Q7S_MEMORY_SDCARDACCESSMANAGER_H_

#include "definitions.h"
#include "returnvalues/classIds.h"

#include "fsfw/returnvalues/HasReturnvaluesIF.h"

#include <cstdint>

class MutexIF;

/**
 * @brief   Manages handling of SD cards like switching them on or off or getting the current
 *          state
 */
class SdCardManager {
    friend class SdCardAccess;
public:
    static constexpr uint8_t INTERFACE_ID = CLASS_ID::SD_CARD_MANAGER;

    static constexpr ReturnValue_t ALREADY_ON = HasReturnvaluesIF::makeReturnCode(INTERFACE_ID, 0);
    static constexpr ReturnValue_t ALREADY_OFF = HasReturnvaluesIF::makeReturnCode(INTERFACE_ID, 1);

    virtual ~SdCardManager();

    static void create();

    /**
     * Returns the single instance of the SD card manager.
     */
    static SdCardManager* instance();

    void setPreferredSdCard(sd::SdCard sdCard);

    sd::SdCard getPreferredSdCard() const;

    ReturnValue_t switchOnSdCard(sd::SdCard sdCard);

    ReturnValue_t switchOffSdCard(sd::SdCard sdCard);

    bool sdCardActive(sd::SdCard sdCard);

    sd::SdCard getPreferedSdCard() const;

private:
    SdCardManager();

    ReturnValue_t updateSdCardStateFile();

    sd::SdCard preferredSdCard = sd::SdCard::SLOT_0;

    static SdCardManager* factoryInstance;
};

#endif /* BSP_Q7S_MEMORY_SDCARDACCESSMANAGER_H_ */