I am using CubeMX Version 5.4.0.I tried MMC 4bit and SD 4bit for SDIO configuration but both did not enable SD card mode for FATFS. What are the exact conditions that need to be fulfilled to allow FATFS using SD card mode?
I finally found the reason. I am using FreeRTOS and it seems the SD card mode for FATFS can only be activated if I select CMSIS_V1 interface for FreeRTOS. Once I select CMSIS_V2, SD card mode is no longer vailable for FATFS. Although I can live with ...
