This concerns the USB programming on on STM32F7 using the HAL libraries. The output for the USB transmission randomly goes blocked with USBD_BUSY. Nothing I have done so far has unblocked it. It would appear that this is not a new problem, as I have ...

 I've been using some of the routines (numerical integration of ODEs using B-S routine with polynomial extrapolation) for years on Microsoft C++, with great success. However, when I even include the nr.h file, I get errors saying that "template" is a...