2019-11-14 12:17 AM
On STM32CubeMX Version 5.1.0 when i tried to access SD card f_mount function always return FR_NOT_READY because SDIO_D0, SDIO_D1, SDIO_D2, SDIO_D3 and SDIO_CMD pins generated with no-pull and that causes issue while communication. After i changed these pins to pull-up all my problems gone.