LL_USART_Enable：void LL_USART_Enable (USART_TypeDef * USARTx)
LL_USART_Disable：void LL_USART_Disable (USART_TypeDef * USARTx)
LL_USART_IsEnabled：uint32_t LL_USART_IsEnabled (USART_TypeDef * USARTx)
LL_USART_EnableDirectionRx：void LL_USART_EnableDirectionRx (USART_TypeDef * USARTx)
LL_USART_DisableDirectionRx：void LL_USART_DisableDirectionRx (USART_TypeDef * USARTx)
LL_USART_EnableDirectionTx：void LL_USART_EnableDirectionTx (USART_TypeDef * USARTx)
LL_USART_DisableDirectionTx：void LL_USART_DisableDirectionTx (USART_TypeDef * USARTx)
LL_USART_SetTransferDirection：void LL_USART_SetTransferDirection (USART_TypeDef * USARTx, uint32_t TransferDirection)
LL_USART_GetTransferDirection：uint32_t LL_USART_GetTransferDirection (USART_TypeDef * USARTx)
LL_USART_SetParity：__STATIC_INLINE void LL_USART_SetParity (USART_TypeDef * USARTx, uint32_t Parity)
LL_USART_GetParity：uint32_t LL_USART_GetParity (USART_TypeDef * USARTx)
LL_USART_SetDataWidth：void LL_USART_SetDataWidth (USART_TypeDef * USARTx, uint32_t DataWidth)
LL_USART_GetDataWidth：uint32_t LL_USART_GetDataWidth (USART_TypeDef * USARTx)
LL_USART_EnableMuteMode：void LL_USART_EnableMuteMode (USART_TypeDef * USARTx)
LL_USART_DisableMuteMode：void LL_USART_DisableMuteMode (USART_TypeDef * USARTx)
LL_USART_IsEnabledMuteMode：uint32_t LL_USART_IsEnabledMuteMode (USART_TypeDef * USARTx)
LL_USART_SetOverSampling：void LL_USART_SetOverSampling (USART_TypeDef * USARTx, uint32_t OverSampling)
LL_USART_GetOverSampling：uint32_t LL_USART_GetOverSampling (USART_TypeDef * USARTx)
LL_USART_ConfigClock：void LL_USART_ConfigClock (USART_TypeDef * USARTx, uint32_t Phase, uint32_t Polarity, uint32_t LBCPOutput)
LL_USART_IsEnabledSCLKOutput：void LL_USART_SetStopBitsLength (USART_TypeDef * USARTx, uint32_t StopBits)
LL_USART_GetStopBitsLength：uint32_t LL_USART_GetStopBitsLength (USART_TypeDef * USARTx)
LL_USART_ConfigCharacter：void LL_USART_ConfigCharacter (USART_TypeDef * USARTx, uint32_t DataWidth, uint32_t Parity, uint32_t StopBits)
LL_USART_SetBaudRate：void LL_USART_SetBaudRate (USART_TypeDef * USARTx, uint32_t PeriphClk, uint32_t OverSampling, uint32_t BaudRate)
LL_USART_IsActiveFlag_PE：uint32_t LL_USART_IsActiveFlag_PE (USART_TypeDef * USARTx)
LL_USART_IsActiveFlag_FE：uint32_t LL_USART_IsActiveFlag_FE (USART_TypeDef * USARTx)
LL_USART_IsActiveFlag_NE：uint32_t LL_USART_IsActiveFlag_NE (USART_TypeDef * USARTx)
LL_USART_IsActiveFlag_ORE：uint32_t LL_USART_IsActiveFlag_ORE (USART_TypeDef * USARTx)
LL_USART_IsActiveFlag_IDLE：uint32_t LL_USART_IsActiveFlag_IDLE (USART_TypeDef * USARTx)
LL_USART_IsActiveFlag_RXNE：uint32_t LL_USART_IsActiveFlag_RXNE (USART_TypeDef * USARTx)
LL_USART_IsActiveFlag_TC：uint32_t LL_USART_IsActiveFlag_TC (USART_TypeDef * USARTx) //检查发送完成标志
LL_USART_IsActiveFlag_TXE：uint32_t LL_USART_IsActiveFlag_TXE (USART_TypeDef * USARTx) //检查发送寄存器是否空
LL_USART_IsActiveFlag_BUSY：uint32_t LL_USART_IsActiveFlag_BUSY (USART_TypeDef * USARTx)
LL_USART_ClearFlag_PE：void LL_USART_ClearFlag_PE (USART_TypeDef * USARTx)
LL_USART_ClearFlag_FE：void LL_USART_ClearFlag_FE (USART_TypeDef * USARTx)
LL_USART_ClearFlag_NE：void LL_USART_ClearFlag_NE (USART_TypeDef * USARTx)
LL_USART_ClearFlag_ORE：void LL_USART_ClearFlag_ORE (USART_TypeDef * USARTx)
LL_USART_ClearFlag_IDLE：void LL_USART_ClearFlag_IDLE (USART_TypeDef * USARTx)
LL_USART_ClearFlag_TC：void LL_USART_ClearFlag_TC (USART_TypeDef * USARTx)
LL_USART_EnableIT_IDLE：void LL_USART_EnableIT_IDLE (USART_TypeDef * USARTx)
LL_USART_EnableIT_RXNE：void LL_USART_EnableIT_RXNE (USART_TypeDef * USARTx)
LL_USART_EnableIT_TC：void LL_USART_EnableIT_TC (USART_TypeDef * USARTx)
LL_USART_EnableIT_TXE：void LL_USART_EnableIT_TXE (USART_TypeDef * USARTx)
LL_USART_EnableIT_PE：void LL_USART_EnableIT_PE (USART_TypeDef * USARTx)
LL_USART_EnableIT_ERROR：void LL_USART_EnableIT_ERROR (USART_TypeDef * USARTx)
LL_USART_IsEnabledIT_IDLE：uint32_t LL_USART_IsEnabledIT_IDLE (USART_TypeDef * USARTx)
LL_USART_IsEnabledIT_RXNE：uint32_t LL_USART_IsEnabledIT_RXNE (USART_TypeDef * USARTx)
LL_USART_IsEnabledIT_TC：uint32_t LL_USART_IsEnabledIT_TC (USART_TypeDef * USARTx)
LL_USART_IsEnabledIT_TXE：uint32_t LL_USART_IsEnabledIT_TXE (USART_TypeDef * USARTx)
LL_USART_IsEnabledIT_PE：uint32_t LL_USART_IsEnabledIT_PE (USART_TypeDef * USARTx)
LL_USART_IsEnabledIT_ERROR：uint32_t LL_USART_IsEnabledIT_ERROR (USART_TypeDef * USARTx)
LL_USART_EnableDMAReq_RX：void LL_USART_EnableDMAReq_RX (USART_TypeDef * USARTx)
| Function description |
Enable DMA Mode for reception |
LL_USART_DisableDMAReq_RX：void LL_USART_DisableDMAReq_RX (USART_TypeDef * USARTx)
LL_USART_IsEnabledDMAReq_RX：uint32_t LL_USART_IsEnabledDMAReq_RX (USART_TypeDef * USARTx)
| Function description |
Check if DMA Mode is enabled for reception. |
LL_USART_EnableDMAReq_TX：void LL_USART_EnableDMAReq_TX (USART_TypeDef * USARTx)
| Function description |
Enable DMA Mode for transmission |
LL_USART_DisableDMAReq_TX：void LL_USART_DisableDMAReq_TX (USART_TypeDef * USARTx)
LL_USART_IsEnabledDMAReq_TX：uint32_t LL_USART_IsEnabledDMAReq_TX (USART_TypeDef * USARTx)
| Function description |
Check if DMA Mode is enabled for transmission |
LL_USART_EnableDMADeactOnRxErr：void LL_USART_EnableDMADeactOnRxErr (USART_TypeDef * USARTx)
| Function description |
Enable DMA Disabling on Reception Error. |
LL_USART_DisableDMADeactOnRxErr：void LL_USART_DisableDMADeactOnRxErr (USART_TypeDef * USARTx)
LL_USART_IsEnabledDMADeactOnRxErr：uint32_t LL_USART_IsEnabledDMADeactOnRxErr (USART_TypeDef * USARTx)
| Function description |
Indicate if DMA Disabling on Reception Error is disabled. |
LL_USART_DMA_GetRegAddr：uint32_t LL_USART_DMA_GetRegAddr (USART_TypeDef * USARTx, uint32_t Direction)
| Function description |
Get the data register address used for DMA transfer. |
LL_USART_ReceiveData8：uint8_t LL_USART_ReceiveData8 (USART_TypeDef * USARTx)
| Function description |
Read Receiver Data register (Receive Data value, 8 bits) |
LL_USART_ReceiveData9：uint16_t LL_USART_ReceiveData9 (USART_TypeDef * USARTx)
| Function description |
Read Receiver Data register (Receive Data value, 9 bits) |
LL_USART_TransmitData8：void LL_USART_TransmitData8 (USART_TypeDef * USARTx, uint8_t Value)
LL_USART_TransmitData9：void LL_USART_TransmitData9 (USART_TypeDef * USARTx, uint16_t Value)
LL_DMA_SetChannelSelection：void LL_DMA_SetChannelSelection (DMA_TypeDef * DMAx, uint32_t Stream, uint32_t Channel)
LL_DMA_ConfigTransfer：void LL_DMA_ConfigTransfer (DMA_TypeDef * DMAx, uint32_t Stream, uint32_t Configuration)
LL_DMA_ConfigAddresses：void LL_DMA_ConfigAddresses (DMA_TypeDef * DMAx, uint32_t Stream, uint32_t SrcAddress, uint32_t DstAddress, uint32_t Direction)
| Function description |
Configure the Source and Destination addresses |
LL_DMA_SetDataLength：void LL_DMA_SetDataLength (DMA_TypeDef * DMAx, uint32_t Stream, uint32_t NbData)
| Function description |
Set Number of data to transfer |
LL_DMA_EnableIT_TC：void LL_DMA_EnableIT_TC (DMA_TypeDef * DMAx, uint32_t Stream)
| Function description |
Enable Transfer complete interrupt. |
LL_DMA_EnableIT_TE：void LL_DMA_EnableIT_TE (DMA_TypeDef * DMAx, uint32_t Stream)
| Function description |
Enable Transfer error interrupt |
LL_USART_EnableDMAReq_TX：void LL_USART_EnableDMAReq_TX (USART_TypeDef * USARTx)
| Function description |
Enable DMA Mode for transmission. |
LL_DMA_EnableStream：void LL_DMA_EnableStream (DMA_TypeDef * DMAx, uint32_t Stream)
| Function description |
Enable DMA stream. |