STM32H745 SDIO not working

[VDesa.1]

Hi,

I have tested STM32H745 CM7 SD 1bit mode with out RTOS from cube generated files (STM32Cube_FW_H7_V1.7.0) and it's work fine for FATFS file operations, as soon as by adding freeRTOS in cube, the generated files have HAL SD init and f_mount works but f_open cause error of FR_NOT_READY, please guide for same. 

Thanks.

[TDK]

ST could really do its smaller customers a favor by putting out a robust implementation and example usage of the HAL_SD library. Unfortunately, this doesn't exist. Questions like this come up all the time and are rarely resolved, partly because it's a lot of work and it's complicated.