This video shows how to mount SD/MMC Card and Flash Memeory device at the same time.
Test items:
1. SD/MMC Low Level Disk I/O, no file system, direct Sector Address I/O.
2. SD/MMC I/O performance comparison with and without DMA.
3. Simultaneously mount SD/MMC Card and Flash momory device for I/O test.
Details and code:
https://mcuapplab.blogspot.com/2022/1...