SDIO FatFs uSDCard 1-bit and 4-bit are not working through STM32CubeMX and keil mdk v5 1- STM32CubeMX version 4.26.1 (Latest). 2- Toolchain 1.21 (Latest)
f_open function are not working as it takes too much time then it is timed outI am using stm32f4-dis-bb board