/** * \file * * \brief Common SD/MMC stack header file * * Copyright (c) 2012-2018 Microchip Technology Inc. and its subsidiaries. * * \asf_license_start * * \page License * * Subject to your compliance with these terms, you may use Microchip * software and any derivatives exclusively with Microchip products. * It is your responsibility to comply with third party license terms applicable * to your use of third party software (including open source software) that * may accompany Microchip software. * * THIS SOFTWARE IS SUPPLIED BY MICROCHIP "AS IS". NO WARRANTIES, * WHETHER EXPRESS, IMPLIED OR STATUTORY, APPLY TO THIS SOFTWARE, * INCLUDING ANY IMPLIED WARRANTIES OF NON-INFRINGEMENT, MERCHANTABILITY, * AND FITNESS FOR A PARTICULAR PURPOSE. IN NO EVENT WILL MICROCHIP BE * LIABLE FOR ANY INDIRECT, SPECIAL, PUNITIVE, INCIDENTAL OR CONSEQUENTIAL * LOSS, DAMAGE, COST OR EXPENSE OF ANY KIND WHATSOEVER RELATED TO THE * SOFTWARE, HOWEVER CAUSED, EVEN IF MICROCHIP HAS BEEN ADVISED OF THE * POSSIBILITY OR THE DAMAGES ARE FORESEEABLE. TO THE FULLEST EXTENT * ALLOWED BY LAW, MICROCHIP'S TOTAL LIABILITY ON ALL CLAIMS IN ANY WAY * RELATED TO THIS SOFTWARE WILL NOT EXCEED THE AMOUNT OF FEES, IF ANY, * THAT YOU HAVE PAID DIRECTLY TO MICROCHIP FOR THIS SOFTWARE. * * \asf_license_stop * */ /* * Support and FAQ: visit Microchip Support */ #ifndef SD_MMC_H_INCLUDED #define SD_MMC_H_INCLUDED #include "compiler.h" #include "conf_sd_mmc.h" #ifdef __cplusplus extern "C" { #endif /** * \ingroup common_memory * \defgroup sd_mmc_stack_group SD/MMC/SDIO common stack * * SD/MMC/SDIO basic APIs used by SD/MMC/SDIO memory * APIs (\ref sd_mmc_stack_mem_group). * Also, it can be used by application which use the SDIO card * or specific application which does not need of File System. * * For usual application which use the SD/MMC card in * memory mode with a file system, please refer to * \ref sd_mmc_stack_mem_group. * @{ */ typedef uint8_t sd_mmc_err_t; /**< Type of return error code */ /** \name Return error codes */ /** @{ */ #define SD_MMC_OK 0 /**< No error */ #define SD_MMC_INIT_ONGOING 1 /**< Card not initialized */ #define SD_MMC_ERR_NO_CARD 2 /**< No SD/MMC card inserted */ #define SD_MMC_ERR_UNUSABLE 3 /**< Unusable card */ #define SD_MMC_ERR_SLOT 4 /**< Slot unknow */ #define SD_MMC_ERR_COMM 5 /**< General communication error */ #define SD_MMC_ERR_PARAM 6 /**< Illeage input parameter */ #define SD_MMC_ERR_WP 7 /**< Card write protected */ /** @} */ typedef uint8_t card_type_t; /**< Type of card type */ /** \name Card Types */ /** @{ */ #define CARD_TYPE_UNKNOWN (0) /**< Unknown type card */ #define CARD_TYPE_SD (1 << 0) /**< SD card */ #define CARD_TYPE_MMC (1 << 1) /**< MMC card */ #define CARD_TYPE_SDIO (1 << 2) /**< SDIO card */ #define CARD_TYPE_HC (1 << 3) /**< High capacity card */ /** SD combo card (io + memory) */ #define CARD_TYPE_SD_COMBO (CARD_TYPE_SD | CARD_TYPE_SDIO) /** @} */ typedef uint8_t card_version_t; /**< Type of card version */ /** \name Card Versions */ /** @{ */ #define CARD_VER_UNKNOWN (0) /**< Unknown card version */ #define CARD_VER_SD_1_0 (0x10) /**< SD version 1.0 and 1.01 */ #define CARD_VER_SD_1_10 (0x1A) /**< SD version 1.10 */ #define CARD_VER_SD_2_0 (0X20) /**< SD version 2.00 */ #define CARD_VER_SD_3_0 (0X30) /**< SD version 3.0X */ #define CARD_VER_MMC_1_2 (0x12) /**< MMC version 1.2 */ #define CARD_VER_MMC_1_4 (0x14) /**< MMC version 1.4 */ #define CARD_VER_MMC_2_2 (0x22) /**< MMC version 2.2 */ #define CARD_VER_MMC_3 (0x30) /**< MMC version 3 */ #define CARD_VER_MMC_4 (0x40) /**< MMC version 4 */ /** @} */ /** Card detect setting */ typedef struct sd_mmc_detect { int16_t pin; /**< Detection pin, -1 if no such pin */ uint16_t val; /**< Detection value */ } sd_mmc_detect_t; /** This SD MMC stack uses the maximum block size autorized (512 bytes) */ #define SD_MMC_BLOCK_SIZE 512 /** * \brief Initialize the SD/MMC stack and low level driver required * \param[in] hal Pointer to HAL instance * \param[in] card_detects Pointer to list of card detect settings, * list size should be \ref CONF_SD_MMC_MEM_CNT * \param[in] wp_detects Pointer to list of write protect detect settings * list size should be \ref CONF_SD_MMC_MEM_CNT */ void sd_mmc_init(void *hal, sd_mmc_detect_t *card_detects, sd_mmc_detect_t *wp_detects); /** \brief Return the number of slot available * * \return Number of card slot available */ uint8_t sd_mmc_nb_slot(void); /** \brief Performs a card checks * * \param[in] slot Card slot to use * * \retval SD_MMC_OK Card ready * \retval SD_MMC_INIT_ONGOING Initialization on going * \retval SD_MMC_ERR_NO_CARD Card not present in slot * \retval Other value for error cases, see \ref sd_mmc_err_t */ sd_mmc_err_t sd_mmc_check(uint8_t slot); /** \brief Get the card type * * \param[in] slot Card slot * * \return Card type (\ref card_type_t) */ card_type_t sd_mmc_get_type(uint8_t slot); /** \brief Get the card version * * \param[in] slot Card slot * * \return Card version (\ref card_version_t) */ card_version_t sd_mmc_get_version(uint8_t slot); /** \brief Get the memory capacity * * \param[in] slot Card slot * * \return Capacity (unit KB) */ uint32_t sd_mmc_get_capacity(uint8_t slot); /** \brief Get the card write protection status * * \param[in] slot Card slot * * \return true, if write portected */ bool sd_mmc_is_write_protected(uint8_t slot); /** * \brief Initialize the read blocks of data from the card. * * \param[in] slot Card slot to use * \param[in] start Start block number to to read. * \param[in] nb_block Total number of blocks to be read. * * \return return SD_MMC_OK if success, * otherwise return an error code (\ref sd_mmc_err_t). */ sd_mmc_err_t sd_mmc_init_read_blocks(uint8_t slot, uint32_t start, uint16_t nb_block); /** * \brief Start the read blocks of data from the card. * * \param[out] dest Pointer to read buffer. * \param[in] nb_block Number of blocks to be read. * * \return return SD_MMC_OK if started, * otherwise return an error code (\ref sd_mmc_err_t). */ sd_mmc_err_t sd_mmc_start_read_blocks(void *dest, uint16_t nb_block); /** * \brief Wait the end of read blocks of data from the card. * * \param[in] abort Abort reading process initialized by * \ref sd_mmc_init_read_blocks() after the reading issued by * \ref sd_mmc_start_read_blocks() is done * * \return return SD_MMC_OK if success, * otherwise return an error code (\ref sd_mmc_err_t). */ sd_mmc_err_t sd_mmc_wait_end_of_read_blocks(bool abort); /** * \brief Initialize the write blocks of data * * \param[in] slot Card slot to use * \param[in] start Start block number to be written. * \param[in] nb_block Total number of blocks to be written. * * \return return SD_MMC_OK if success, * otherwise return an error code (\ref sd_mmc_err_t). */ sd_mmc_err_t sd_mmc_init_write_blocks(uint8_t slot, uint32_t start, uint16_t nb_block); /** * \brief Start the write blocks of data * * \param[in] src Pointer to write buffer. * \param[in] nb_block Number of blocks to be written. * * \return return SD_MMC_OK if started, * otherwise return an error code (\ref sd_mmc_err_t). */ sd_mmc_err_t sd_mmc_start_write_blocks(const void *src, uint16_t nb_block); /** * \brief Wait the end of write blocks of data * * \param[in] abort Abort writing process initialized by * \ref sd_mmc_init_write_blocks() after the writing issued by * \ref sd_mmc_start_write_blocks() is done * * \return return SD_MMC_OK if success, * otherwise return an error code (\ref sd_mmc_err_t). */ sd_mmc_err_t sd_mmc_wait_end_of_write_blocks(bool abort); #if (CONF_SDIO_SUPPORT == 1) /** * \brief Read one byte from SDIO using RW_DIRECT command. * * \param[in] slot Card slot to use * \param[in] func_num Function number. * \param[in] addr Register address to read from. * \param[out] dest Pointer to read buffer. * * \return return SD_MMC_OK if success, * otherwise return an error code (\ref sd_mmc_err_t). */ sd_mmc_err_t sdio_read_direct(uint8_t slot, uint8_t func_num, uint32_t addr, uint8_t *dest); /** * \brief Write one byte to SDIO using RW_DIRECT command. * * \param[in] slot Card slot to use * \param[in] func_num Function number. * \param[in] addr Register address to read from. * \param[in] data Data to be written. * * \return return SD_MMC_OK if success, * otherwise return an error code (\ref sd_mmc_err_t). */ sd_mmc_err_t sdio_write_direct(uint8_t slot, uint8_t func_num, uint32_t addr, uint8_t data); /** * \brief Read bytes from SDIO using RW_EXTENDED command. * * \param[in] slot Card slot to use * \param[in] func_num Function number. * \param[in] addr First register address to read from. * \param[in] inc_addr 0 - The data address is fixed. * 1 - The data address increase automatically. * \param[out] dest Pointer to read buffer. * \param[in] size Number of bytes to read (1 ~ 512). * * \return return SD_MMC_OK if success, * otherwise return an error code (\ref sd_mmc_err_t). */ sd_mmc_err_t sdio_read_extended(uint8_t slot, uint8_t func_num, uint32_t addr, uint8_t inc_addr, uint8_t *dest, uint16_t size); /** * \brief Write bytes to SDIO using RW_EXTENDED command. * * \param[in] slot Card slot to use * \param[in] func_num Function number. * \param[in] addr First register address to write to. * \param[in] inc_addr 0 - The data address is fixed. * 1 - The data address increase automatically. * \param[in] src Pointer to write buffer. * \param[in] size Number of bytes to read (1 ~ 512). * * \return return SD_MMC_OK if success, * otherwise return an error code (\ref sd_mmc_err_t). */ sd_mmc_err_t sdio_write_extended(uint8_t slot, uint8_t func_num, uint32_t addr, uint8_t inc_addr, uint8_t *src, uint16_t size); #endif /* SDIO_SUPPORT_ENABLE */ /** @} */ #ifdef __cplusplus } #endif #endif /* SD_MMC_H_INCLUDED */