FR_NOT_READY with SDIO, microSD 32GB and MCU STM32F407
I was trying to interface a microSD card (32GB) with STM32F407 through SDIO. Tried 1-bit and 4-bit modes. But it always gets me back FR_NOT_READY. and the program always stuck here: FATFS configuration: SDIO configuration: Clock:Where I'm doing any m...