CTL_STATUS_t ctl_ms_sd_spi_read_csd(CTL_MS_SD_DRIVER_t *driver, unsigned char *csd);
ctl_ms_sd_spi_read_csd reads the card-specific data (CSD) register from the media card into csd using the device driver driver. csd must point to a buffer that is at least 16 bytes in size.
ctl_ms_sd_spi_read_csd is thread-safe.