49 lines
1.2 KiB
C++
49 lines
1.2 KiB
C++
#ifndef BSP_Q7S_MEMORY_SDCARDACCESSMANAGER_H_
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#define BSP_Q7S_MEMORY_SDCARDACCESSMANAGER_H_
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#include "definitions.h"
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#include <cstdint>
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class MutexIF;
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/**
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* @brief This class manages selecting and switching the active SD card, therefore also
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* managing the redundancy of the SD cards
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* @details
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* This class will track the currently active users for a SD card. It is always used by the
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* SD card access token automatically to get the currently active SD card in a thread safe way-
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*/
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class SdCardAccessManager {
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friend class SdCardAccess;
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public:
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virtual ~SdCardAccessManager();
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static void create();
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/**
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* Returns the single instance of the SD card manager.
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*/
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static SdCardAccessManager* instance();
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sd::SdCard getPreferedSdCard() const;
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/**
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* Get current number of SD card users
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* @param sdCard
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* @return
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*/
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uint8_t getSdCardAccessors(sd::SdCard sdCard) const;
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private:
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SdCardAccessManager();
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MutexIF* mutex;
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uint8_t activeAccessesSdCard0 = 0;
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uint8_t activeAccessesSdCard1 = 0;
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static SdCardAccessManager* factoryInstance;
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};
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#endif /* BSP_Q7S_MEMORY_SDCARDACCESSMANAGER_H_ */
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