An SD card’s serial number can retrieve below.
/sys/block/mmcblk0/device/serial
Can I retrieve SD card’s Speed Class in the same way?
Or can I retrieve out using IOCTL?
Best regards,
An SD card’s serial number can retrieve below.
/sys/block/mmcblk0/device/serial
Can I retrieve SD card’s Speed Class in the same way?
Or can I retrieve out using IOCTL?
Best regards,