Why HAL_UARTEx_ReceiveToIdle_DMA stops working after unpluging serial line and then pluging it back?
I'm experimenting with bluepill, I have set USART3 to DMA circular mode. I've enabled the HAL_UARTEx_ReceiveToIdle_DMA in the main() and then again in the HAL_UARTEx_RxEventCallback, the half complete receive callback is disabled in both main() and i...