/** * 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 sd_sdio_h #define sd_sdio_h #include "sd_card.h" /** Initialize the SD card. * \return true for success or false for failure. */ bool sd_sdio_begin(sd_card_t *sd_card_p); /** 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. */ bool sd_sdio_cardCMD6(sd_card_t *sd_card_p, uint32_t arg, uint8_t *status); /** Disable an SDIO card. * not implemented. */ // void sd_sdio_end() {} #ifndef DOXYGEN_SHOULD_SKIP_THIS uint32_t __attribute__((error("use sectorCount()"))) cardSize(); #endif // DOXYGEN_SHOULD_SKIP_THIS /** 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. * * \note This function requests the SD card to do a flash erase for a * range of sectors. The data on the card after an erase operation is * either 0 or 1, depends on the card vendor. The card must support * single sector erase. * * \return true for success or false for failure. */ bool sd_sdio_erase(sd_card_t *sd_card_p, uint32_t firstSector, uint32_t lastSector); /** * \return code for the last error. See SdCardInfo.h for a list of error codes. */ uint8_t sd_sdio_errorCode(sd_card_t *sd_card_p) /* const */; /** \return error data for last error. */ uint32_t sd_sdio_errorData() /* const */; /** \return error line for last error. Tmp function for debug. */ uint32_t sd_sdio_errorLine(sd_card_t *sd_card_p) /* const */; /** * Check for busy with CMD13. * * \return true if busy else false. */ bool sd_sdio_isBusy(sd_card_t *sd_card_p); /** \return the SD clock frequency in kHz. */ //uint32_t sd_sdio_kHzSdClk(); /** * Read a 512 byte sector from an SD card. * * \param[in] sector Logical sector to be read. * \param[out] dst Pointer to the location that will receive the data. * \return true for success or false for failure. */ bool sd_sdio_readSector(sd_card_t *sd_card_p, uint32_t sector, uint8_t *dst); /** * Read multiple 512 byte sectors from an SD card. * * \param[in] sector Logical sector to be read. * \param[in] ns Number of sectors to be read. * \param[out] dst Pointer to the location that will receive the data. * \return true for success or false for failure. */ bool sd_sdio_readSectors(sd_card_t *sd_card_p, uint32_t sector, uint8_t *dst, size_t ns); // Read 512-bit SD status bool rp2040_sdio_get_sd_status(sd_card_t *sd_card_p, uint8_t response[64]); /** Read one data sector in a multiple sector read sequence * * \param[out] dst Pointer to the location for the data to be read. * * \return true for success or false for failure. */ bool sd_sdio_readData(sd_card_t *sd_card_p, uint8_t *dst); /** Read OCR register. * * \param[out] ocr Value of OCR register. * \return true for success or false for failure. */ bool sd_sdio_readOCR(sd_card_t *sd_card_p, uint32_t *ocr); /** Read SCR register. * * \param[out] scr Value of SCR register. * \return true for success or false for failure. */ // bool sd_sdio_readSCR(sd_card_t *sd_card_p, scr_t *scr); /** Start a read multiple sectors sequence. * * \param[in] sector Address of first sector in sequence. * * \note This function is used with readData() and readStop() for optimized * multiple sector reads. SPI chipSelect must be low for the entire sequence. * * \return true for success or false for failure. */ // bool sd_sdio_readStart(uint32_t sector); /** Start a read multiple sectors sequence. * * \param[in] sector Address of first sector in sequence. * \param[in] count Maximum sector count. * \note This function is used with readData() and readStop() for optimized * multiple sector reads. SPI chipSelect must be low for the entire sequence. * * \return true for success or false for failure. */ bool sd_sdio_readStart(sd_card_t *sd_card_p, uint32_t sector, uint32_t count); /** End a read multiple sectors sequence. * * \return true for success or false for failure. */ bool sd_sdio_readStop(sd_card_t *sd_card_p); /** \return SDIO card status. */ uint32_t sd_sdio_status(sd_card_t *sd_card_p); /** * 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. */ uint32_t sd_sdio_sectorCount(sd_card_t *sd_card_p); /** * Send CMD12 to stop read or write. * * \param[in] blocking If true, wait for command complete. * * \return true for success or false for failure. */ bool sd_sdio_stopTransmission(sd_card_t *sd_card_p, bool blocking); /** \return success if sync successful. Not for user apps. */ //bool sd_sdio_syncDevice(sd_card_t *sd_card_p); /** Return the card type: SD V1, SD V2 or SDHC * \return 0 - SD V1, 1 - SD V2, or 3 - SDHC. */ uint8_t sd_sdio_type(sd_card_t *sd_card_p) /* const */; /** * Writes a 512 byte sector to an SD card. * * \param[in] sector Logical sector to be written. * \param[in] src Pointer to the location of the data to be written. * \return true for success or false for failure. */ bool sd_sdio_writeSector(sd_card_t *sd_card_p, uint32_t sector, const uint8_t *src); /** * Write multiple 512 byte sectors to an SD card. * * \param[in] sector Logical sector to be written. * \param[in] ns Number of sectors to be written. * \param[in] src Pointer to the location of the data to be written. * \return true for success or false for failure. */ bool sd_sdio_writeSectors(sd_card_t *sd_card_p, uint32_t sector, const uint8_t *src, size_t ns); /** 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. */ bool sd_sdio_writeData(sd_card_t *sd_card_p, const uint8_t *src); /** Start a write multiple sectors sequence. * * \param[in] sector Address of first sector in sequence. * * \note This function is used with writeData() and writeStop() * for optimized multiple sector writes. * * \return true for success or false for failure. */ // bool sd_sdio_writeStart(sd_card_t *sd_card_p, uint32_t sector); /** Start a write multiple sectors sequence. * * \param[in] sector Address of first sector in sequence. * \param[in] count Maximum sector count. * \note This function is used with writeData() and writeStop() * for optimized multiple sector writes. * * \return true for success or false for failure. */ bool sd_sdio_writeStart(sd_card_t *sd_card_p, uint32_t sector, uint32_t count); /** End a write multiple sectors sequence. * * \return true for success or false for failure. */ bool sd_sdio_writeStop(sd_card_t *sd_card_p); void sd_sdio_ctor(sd_card_t *sd_card_p); #endif // sd_sdio_h