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- /**
- * Copyright (c) 2011-2022 Bill Greiman
- * This file is part of the SdFat library for SD memory cards.
- *
- * MIT License
- *
- * Permission is hereby granted, free of charge, to any person obtaining a
- * copy of this software and associated documentation files (the "Software"),
- * to deal in the Software without restriction, including without limitation
- * the rights to use, copy, modify, merge, publish, distribute, sublicense,
- * and/or sell copies of the Software, and to permit persons to whom the
- * Software is furnished to do so, subject to the following conditions:
- *
- * The above copyright notice and this permission notice shall be included
- * in all copies or substantial portions of the Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
- * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
- * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
- * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
- * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
- * DEALINGS IN THE SOFTWARE.
- */
- #ifndef SdCardInterface_h
- #define SdCardInterface_h
- #include "../common/FsBlockDeviceInterface.h"
- #include "SdCardInfo.h"
- /**
- * \class SdCardInterface
- * \brief Abstract interface for an SD card.
- */
- class SdCardInterface : public FsBlockDeviceInterface {
- public:
- /** CMD6 Switch mode: Check Function Set Function.
- * \param[in] arg CMD6 argument.
- * \param[out] status return status data.
- *
- * \return true for success or false for failure.
- */
- virtual bool cardCMD6(uint32_t arg, uint8_t* status) = 0;
- /** end use of card */
- virtual void end() = 0;
- /** Erase a range of sectors.
- *
- * \param[in] firstSector The address of the first sector in the range.
- * \param[in] lastSector The address of the last sector in the range.
- *
- * \return true for success or false for failure.
- */
- virtual bool erase(uint32_t firstSector, uint32_t lastSector) = 0;
- /** \return error code. */
- virtual uint8_t errorCode() const = 0;
- /** \return error data. */
- virtual uint32_t errorData() const = 0;
- /** \return true if card is busy. */
- virtual bool isBusy() = 0;
- /** \return false by default */
- virtual bool hasDedicatedSpi() {return false;}
- /** \return false by default */
- bool virtual isDedicatedSpi() {return false;}
- /** Set SPI sharing state
- * \param[in] value desired state.
- * \return false by default.
- */
- virtual bool setDedicatedSpi(bool value) {
- (void)value;
- return false;
- }
- /**
- * Read a card's CID register.
- *
- * \param[out] cid pointer to area for returned data.
- *
- * \return true for success or false for failure.
- */
- virtual bool readCID(cid_t* cid) = 0;
- /**
- * Read a card's CSD register.
- *
- * \param[out] csd pointer to area for returned data.
- *
- * \return true for success or false for failure.
- */
- virtual bool readCSD(csd_t* csd) = 0;
- /** Read OCR register.
- *
- * \param[out] ocr Value of OCR register.
- * \return true for success or false for failure.
- */
- virtual bool readOCR(uint32_t* ocr) = 0;
- /** Read SCR register.
- *
- * \param[out] scr Value of SCR register.
- * \return true for success or false for failure.
- */
- virtual bool readSCR(scr_t *scr) = 0;
- /**
- * Determine the size of an SD flash memory card.
- *
- * \return The number of 512 byte data sectors in the card
- * or zero if an error occurs.
- */
- virtual uint32_t sectorCount() = 0;
- /** \return card status. */
- virtual uint32_t status() {return 0XFFFFFFFF;}
- /** Return the card type: SD V1, SD V2 or SDHC/SDXC
- * \return 0 - SD V1, 1 - SD V2, or 3 - SDHC/SDXC.
- */
- virtual uint8_t type() const = 0;
- /** Write one data sector in a multiple sector write sequence.
- * \param[in] src Pointer to the location of the data to be written.
- * \return true for success or false for failure.
- */
- virtual bool writeData(const uint8_t* src) = 0;
- /** Start a write multiple sectors sequence.
- *
- * \param[in] sector Address of first sector in sequence.
- *
- * \return true for success or false for failure.
- */
- virtual bool writeStart(uint32_t sector) = 0;
- /** End a write multiple sectors sequence.
- * \return true for success or false for failure.
- */
- virtual bool writeStop() = 0;
- };
- #endif // SdCardInterface_h
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