Arduino for STM32

Hi there guys, As the title implies, if I combine all the codes to run the six uart/s and USB Serial(CDC) the program hangs up and stop sending the debug message. Please suggest any thing that I can do with the code or is it something to be changed in the core? No error encountered during compilatio...

Good thing that the forum is back. Big Help and relief :) Btw, I enjoy using ST mcu's with my projects. It started with the stm32F030c8t6(years ago) and I use MikroC for Arm then moved to F103C8(to ZE) with Arduino IDE then now in F4(as the requirement arises), its nice that there is an archive of t...