STM32H745I-DISCO eMMC, FATFS, HAL... almost works.
From the example available athttps://github.com/STMicroelectronics/STM32CubeH7/tree/master/Projects/STM32H745I-DISCO/Examples/MMC/MMC_ReadWrite_DMAI figured out how to configure SDMMC1 using STM32CubeIDE.I set the clock for MMC for 200MHz, then set u...