Correspondence between API registers and API
low-layer driver functions
LL_USART_GetLINBrkDetectionLen
LL_USART_SetLINBrkDetectionLen
LL_USART_ConfigHalfDuplexMode
LL_USART_ConfigMultiProcessMode
LL_USART_ConfigSmartcardMode
LL_USART_ConfigSmartcardMode
LL_USART_GetStopBitsLength
LL_USART_SetStopBitsLength
LL_USART_DisableCTSHWFlowCtrl
LL_USART_EnableCTSHWFlowCtrl
LL_USART_DisableDMAReq_RX
LL_USART_IsEnabledDMAReq_RX
LL_USART_DisableDMAReq_TX
LL_USART_IsEnabledDMAReq_TX