+typedef struct SdCID
+{
+ uint8_t manfid;
+ uint8_t prod_name[8];
+ uint32_t serial;
+ uint16_t oemid;
+ uint32_t year_off;
+ uint8_t m_rev;
+ uint8_t l_rev;
+}SdCID;
+
+typedef struct SdCSD
+{
+ uint8_t structure;
+ uint8_t ccc; ///< Card command classes
+ uint32_t erase_size; ///< The size of an erasable sector, in write block len
+ uint32_t capacity; ///< Card size in byte
+ uint32_t max_data_rate; ///< Step rate, usec
+ uint32_t block_len; ///< Block data size len in byte
+ uint32_t block_num; ///< Number of block in card
+ uint32_t write_blk_bits; ///< Max write block length in bits
+ uint32_t read_blk_bits; ///< Max read block length in bits
+ uint8_t read_partial:1,
+ read_misalign:1,
+ write_partial:1,
+ write_misalign:1;
+} SdCSD;
+
+typedef struct SdSSR
+{
+ uint8_t bus_width;
+ uint8_t card_type;
+ uint8_t speed_class;
+ uint8_t au_size;
+ uint8_t erase_size;
+} SdSSR;
+
+#define SD_START_DELAY 10
+#define SD_INIT_TIMEOUT ms_to_ticks(2000)
+#define SD_IDLE_RETRIES 4
+#define SD_DEFAULT_BLOCKLEN 512
+
+/**
+ * $WIZ$ sd_mode = "SD_SDMMC_MODE", "SD_SPI_MODE"
+ * \{
+ */
+#define SD_SDMMC_MODE 0
+#define SD_SPI_MODE 1
+/** \} */