Hi, I am trying to setup USB CDC as virtual COM port on STM32L151. I just enabled it through cubeMX and connected the wires. Windows keep saying device not recognized.I just did the exact same thing with STM32G431. An empty project with just USB CDC ...

I have a timer which at each interrupt first stops itself, and then set its own next delay:HAL_TIM_Base_Stop_IT(&htim); // do stuff __HAL_TIM_SET_PRESCALER(&htim, new_p); __HAL_TIM_SET_AUTORELOAD(&htim, new_a); __HAL_TIM_CLEAR_FLAG(&htim, TIM_FLAG_UP...