f_mount() is returning FR_NOT_READY.I am not able to proceed. Using f401re board and sd module to develop a code on to read and write on sd card using spi .

vsona.1 · ‎2023-04-04

FBL · ‎2023-04-07

Hello @vsona.1,

FR_NOT_READY can occur for several reasons. Often, it comes from the hardware setup. Check the wiring and trace length for socket.

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