Common SD/MMC stack.
Copyright (c) 2012-2018 Microchip Technology Inc. and its subsidiaries.
#include <string.h>#include "conf_board.h"#include "board.h"#include "conf_sd_mmc.h"#include "sd_mmc_protocol.h"#include "sd_mmc.h"#include "delay.h"#include "ioport.h"Data Structures | |
| struct | sd_mmc_card |
| SD/MMC card information structure. More... | |
Macros | |
| #define | driver_adtc_start ATPASTE2(driver, _adtc_start) |
| #define | driver_adtc_stop ATPASTE2(driver, _send_cmd) |
| #define | driver_deselect_device ATPASTE2(driver, _deselect_device) |
| #define | driver_get_bus_width ATPASTE2(driver, _get_bus_width) |
| #define | driver_get_response ATPASTE2(driver, _get_response) |
| #define | driver_get_response_128 ATPASTE2(driver, _get_response_128) |
| #define | driver_init ATPASTE2(driver, _init) |
| #define | driver_is_high_speed_capable ATPASTE2(driver, _is_high_speed_capable) |
| #define | driver_read_word ATPASTE2(driver, _read_word) |
| #define | driver_select_device ATPASTE2(driver, _select_device) |
| #define | driver_send_clock ATPASTE2(driver, _send_clock) |
| #define | driver_send_cmd ATPASTE2(driver, _send_cmd) |
| #define | driver_start_read_blocks ATPASTE2(driver, _start_read_blocks) |
| #define | driver_start_write_blocks ATPASTE2(driver, _start_write_blocks) |
| #define | driver_wait_end_of_read_blocks ATPASTE2(driver, _wait_end_of_read_blocks) |
| #define | driver_wait_end_of_write_blocks ATPASTE2(driver, _wait_end_of_write_blocks) |
| #define | driver_write_word ATPASTE2(driver, _write_word) |
| #define | IS_SDIO() false |
| #define | sd_mmc_debug(...) |
| #define | SD_MMC_HSMCI_MEM_CNT 0 |
| #define | sd_mmc_is_mci() (!sd_mmc_is_spi()) |
| #define | SD_MMC_MCI_MEM_CNT 0 |
| #define | SD_MMC_SPI_MEM_CNT 0 |
| #define | SD_MMC_VOLTAGE_SUPPORT |
| This SD MMC stack supports only the high voltage. More... | |
Internal functions to manage a large timeout after a card insertion | |
| #define | SD_MMC_DEBOUNCE_TIMEOUT 1000 |
Enumerations | |
| enum | card_state { SD_MMC_CARD_STATE_READY = 0, SD_MMC_CARD_STATE_DEBOUNCE = 1, SD_MMC_CARD_STATE_INIT = 2, SD_MMC_CARD_STATE_UNUSABLE = 3, SD_MMC_CARD_STATE_NO_CARD = 4 } |
| SD/MMC card states. More... | |
Functions | |
| sd_mmc_err_t | sd_mmc_check (uint8_t slot) |
| Performs a card checks. More... | |
| uint32_t | sd_mmc_get_capacity (uint8_t slot) |
| Get the memory capacity. More... | |
| card_type_t | sd_mmc_get_type (uint8_t slot) |
| Get the card type. More... | |
| card_version_t | sd_mmc_get_version (uint8_t slot) |
| Get the card version. More... | |
| void | sd_mmc_init (void) |
| Initialize the SD/MMC stack and low level driver required. More... | |
| sd_mmc_err_t | sd_mmc_init_read_blocks (uint8_t slot, uint32_t start, uint16_t nb_block) |
| Initialize the read blocks of data from the card. More... | |
| sd_mmc_err_t | sd_mmc_init_write_blocks (uint8_t slot, uint32_t start, uint16_t nb_block) |
| Initialize the write blocks of data. More... | |
| bool | sd_mmc_is_write_protected (uint8_t slot) |
| Get the card write protection status. More... | |
| uint8_t | sd_mmc_nb_slot (void) |
| Return the number of slot available. More... | |
| sd_mmc_err_t | sd_mmc_start_read_blocks (void *dest, uint16_t nb_block) |
| Start the read blocks of data from the card. More... | |
| sd_mmc_err_t | sd_mmc_start_write_blocks (const void *src, uint16_t nb_block) |
| Start the write blocks of data. More... | |
| sd_mmc_err_t | sd_mmc_wait_end_of_read_blocks (bool abort) |
| Wait the end of read blocks of data from the card. More... | |
| sd_mmc_err_t | sd_mmc_wait_end_of_write_blocks (bool abort) |
| Wait the end of write blocks of data. More... | |
MMC, SD and SDIO commands process | |
| static bool | mmc_spi_op_cond (void) |
| Sends operation condition command and read OCR (SPI only) More... | |
| static bool | mmc_mci_op_cond (void) |
| Sends operation condition command and read OCR (MCI only) More... | |
| static bool | sd_spi_op_cond (uint8_t v2) |
| Ask to all cards to send their operations conditions (SPI only). More... | |
| static bool | sd_mci_op_cond (uint8_t v2) |
| Ask to all cards to send their operations conditions (MCI only). More... | |
| static bool | sdio_op_cond (void) |
| static bool | sdio_get_max_speed (void) |
| static bool | sdio_cmd52_set_bus_width (void) |
| static bool | sdio_cmd52_set_high_speed (void) |
| static bool | sd_cm6_set_high_speed (void) |
| CMD6 for SD - Switch card in high speed mode. More... | |
| static bool | mmc_cmd6_set_bus_width (uint8_t bus_width) |
| CMD6 for MMC - Switches the bus width mode. More... | |
| static bool | mmc_cmd6_set_high_speed (void) |
| CMD6 for MMC - Switches in high speed mode. More... | |
| static bool | sd_cmd8 (uint8_t *v2) |
| CMD8 for SD card - Send Interface Condition Command. More... | |
| static bool | mmc_cmd8 (uint8_t *b_authorize_high_speed) |
| CMD8 - The card sends its EXT_CSD register as a block of data. More... | |
| static bool | sd_mmc_cmd9_spi (void) |
| CMD9: Addressed card sends its card-specific data (CSD) on the CMD line spi. More... | |
| static bool | sd_mmc_cmd9_mci (void) |
| CMD9: Addressed card sends its card-specific data (CSD) on the CMD line mci. More... | |
| static void | mmc_decode_csd (void) |
| Decodes MMC CSD register. More... | |
| static void | sd_decode_csd (void) |
| Decodes SD CSD register. More... | |
| static bool | sd_mmc_cmd13 (void) |
| CMD13 - Addressed card sends its status register. More... | |
| static bool | sd_acmd6 (void) |
| ACMD6 - Define the data bus width to 4 bits bus. More... | |
| static bool | sd_acmd51 (void) |
| ACMD51 - Read the SD Configuration Register. More... | |
Internal function to process the initialization and install | |
| static sd_mmc_err_t | sd_mmc_select_slot (uint8_t slot) |
| Select a card slot and initialize the associated driver. More... | |
| static void | sd_mmc_configure_slot (void) |
| Configures the driver with the selected card configuration. More... | |
| static void | sd_mmc_deselect_slot (void) |
| Deselect the current card slot. More... | |
| static bool | sd_mmc_spi_card_init (void) |
| Initialize the SD card in SPI mode. More... | |
| static bool | sd_mmc_mci_card_init (void) |
| Initialize the SD card in MCI mode. More... | |
| static bool | sd_mmc_spi_install_mmc (void) |
| Initialize the MMC card in SPI mode. More... | |
| static bool | sd_mmc_mci_install_mmc (void) |
| Initialize the MMC card in MCI mode. More... | |
Variables | |
| const uint32_t | mmc_trans_multipliers [16] |
| MMC transfer multiplier factor codes (1/10) list. More... | |
| static struct sd_mmc_card * | sd_mmc_card |
| Pointer on current slot configurated. More... | |
| static struct sd_mmc_card | sd_mmc_cards [SD_MMC_MEM_CNT] |
| SD/MMC card list Note: Initialize card detect pin fields if present. More... | |
| static uint16_t | sd_mmc_nb_block_remaining = 0 |
| Number of block remaining to read or write on the current transfer. More... | |
| static uint16_t | sd_mmc_nb_block_to_tranfer = 0 |
| Number of block to read or write on the current transfer. More... | |
| static uint8_t | sd_mmc_slot_sel |
| Index of current slot configurated. More... | |
| const uint32_t | sd_mmc_trans_units [7] |
| SD/MMC transfer rate unit codes (10K) list. More... | |
| const uint32_t | sd_trans_multipliers [16] |
| SD transfer multiplier factor codes (1/10) list. More... | |
1.8.5