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sdmmc_card_t struct
SD/MMC card information structure
Syntax
typedef struct
{
sdmmc_host_t host;
uint32_t ocr;
union {
sdmmc_cid_t cid;
sdmmc_response_t raw_cid;
};
sdmmc_csd_t csd;
sdmmc_scr_t scr;
sdmmc_ssr_t ssr;
sdmmc_ext_csd_t ext_csd;
uint16_t rca;
uint32_t max_freq_khz;
int real_freq_khz;
uint32_t is_mem : 1;
uint32_t is_sdio : 1;
uint32_t is_mmc : 1;
uint32_t num_io_functions : 3;
uint32_t log_bus_width : 2;
uint32_t is_ddr : 1;
uint32_t is_uhs1 : 1;
uint32_t reserved : 22;
} sdmmc_card_t;
Fields
Field
Declared as
Description
uint32_t : 3
If is_sdio is 1, contains the number of IO functions on the card.
Related Functions
Found 91 other functions taking a sdmmc_card_t
argument:
Function
Description
Read one byte from an SDIO card using IO_RW_DIRECT (CMD52)
Write one byte to an SDIO card using IO_RW_DIRECT (CMD52)
Print information about the card to a stream
Read multiple bytes from an SDIO card using IO_RW_EXTENDED (CMD53) This function performs read operation using CMD53 in byte mode. For block mode, see sdmmc_io_read_blocks. By default OP Code is set (incrementing address). To send CMD53 without this bit, OR the argument `addr` with `SDMMC_IO_FIXED_ADDR`.
Write multiple bytes to an SDIO card using IO_RW_EXTENDED (CMD53) This function performs write operation using CMD53 in byte mode. For block mode, see sdmmc_io_write_blocks. By default OP Code is set (incrementing address). To send CMD53 without this bit, OR the argument `addr` with `SDMMC_IO_FIXED_ADDR`.
Probe and initialize SD/MMC card using given host
Write given number of sectors to SD/MMC card
Read given number of sectors from the SD/MMC card
Erase given number of sectors from the SD/MMC card
Check if SD/MMC card supports discard
Read blocks of data from an SDIO card using IO_RW_EXTENDED (CMD53) This function performs read operation using CMD53 in block mode. For byte mode, see sdmmc_io_read_bytes. By default OP Code is set (incrementing address). To send CMD53 without this bit, OR the argument `addr` with `SDMMC_IO_FIXED_ADDR`.
Write blocks of data to an SDIO card using IO_RW_EXTENDED (CMD53) This function performs write operation using CMD53 in block mode. For byte mode, see sdmmc_io_write_bytes. By default OP Code is set (incrementing address). To send CMD53 without this bit, OR the argument `addr` with `SDMMC_IO_FIXED_ADDR`.
Block until an SDIO interrupt is received Slave uses D1 line to signal interrupt condition to the host. This function can be used to wait for the interrupt.
Get status of SD/MMC card
Check if SD/MMC card supports trim
Check if SD/MMC card supports sanitize
Get the data of CIS region of an SDIO card. You may provide a buffer not sufficient to store all the CIS data. In this case, this function stores as much data into your buffer as possible. Also, this function will try to get and return the size required for you.
Sanitize the data that was unmapped by a Discard command
Erase complete SD/MMC card
Enable SDIO interrupt in the SDMMC host