I've been struggling to get FatFs working on STM32L496 / L471 for some time now. At present my code uses polling which even at low card clock with certain interrupts disabled is not reliable enough, giving me random FR_DISK_ERR. I know I have to get ...

First it looks like STMCubeProgrammer will be a useful tool for field upgrades - thank-you ST!Is it possible to have a short delay (100ms is enough) between opening the UART and beginning communications? My product has an isolation barrier for safety...