Hi!I have a hardware setup with an RS485 in which all Tx Data is mirrored to Rx (no delay).This simple example should echo all incoming chars coming from Rx back to TxIf i do not use the delay in the callback before flushing DR the hardware mirrored ...

Hi!I am about to code my CLK enable tree, without CUBEMX. - I just took CUBEMX as referene.CUBEMX generates me a line called __HAL_RCC_SYSCFG_CLK_ENABLE(). Unfortunately i could not find any clock called SYSCFG in the clock tree (CubeMX nor DM31020)....