Hi Vijayaraghavan Srinivasan,
Are you using a Freescale Board?
Did you test the sdcard example that are located at the path: C:\Freescale\Freescale_MQX_4_1\mfs\examples?
The example code opens SD card device and installs MFS. It allows user to perform some basic operation with the SD card through the terminal interface for example write/copy/create/rename. It shows how to work with the driver and how to use shell commands.
Could you please try using this example?
Have a great day,
Sol
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