stm32lib/STM32L4xx_HAL_Driver/Inc/stm32l4xx_hal_uart.h

/**
  ******************************************************************************
  * @file    stm32l4xx_hal_uart.h
  * @author  MCD Application Team
  * @version V1.3.0
  * @date    29-January-2016
  * @brief   Header file of UART HAL module.
  ******************************************************************************
  * @attention
  *
  * <h2><center>&copy; COPYRIGHT(c) 2016 STMicroelectronics</center></h2>
  *
  * Redistribution and use in source and binary forms, with or without modification,
  * are permitted provided that the following conditions are met:
  *   1. Redistributions of source code must retain the above copyright notice,
  *      this list of conditions and the following disclaimer.
  *   2. Redistributions in binary form must reproduce the above copyright notice,
  *      this list of conditions and the following disclaimer in the documentation
  *      and/or other materials provided with the distribution.
  *   3. Neither the name of STMicroelectronics nor the names of its contributors
  *      may be used to endorse or promote products derived from this software
  *      without specific prior written permission.
  *
  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
  * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
  * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
  * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
  * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
  * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  *
  ******************************************************************************
  */

/* Define to prevent recursive inclusion -------------------------------------*/
#ifndef __STM32L4xx_HAL_UART_H
#define __STM32L4xx_HAL_UART_H

#ifdef __cplusplus
 extern "C" {
#endif

/* Includes ------------------------------------------------------------------*/
#include "stm32l4xx_hal_def.h"

/** @addtogroup STM32L4xx_HAL_Driver
  * @{
  */

/** @addtogroup UART
  * @{
  */

/* Exported types ------------------------------------------------------------*/
/** @defgroup UART_Exported_Types UART Exported Types
  * @{
  */

/**
  * @brief UART Init Structure definition
  */
typedef struct
{
  uint32_t BaudRate;                  /*!< This member configures the UART communication baud rate.
                                           The baud rate register is computed using the following formula:
                                           - If oversampling is 16 or in LIN mode,
                                              Baud Rate Register = ((PCLKx) / ((huart->Init.BaudRate)))
                                           - If oversampling is 8,
                                           - -  Baud Rate Register[15:4] = ((2 * PCLKx) / ((huart->Init.BaudRate)))[15:4]
                                           - -  Baud Rate Register[3] =  0
                                           - -  Baud Rate Register[2:0] =  (((2 * PCLKx) / ((huart->Init.BaudRate)))[3:0]) >> 1      */

  uint32_t WordLength;                /*!< Specifies the number of data bits transmitted or received in a frame.
                                           This parameter can be a value of @ref UARTEx_Word_Length. */

  uint32_t StopBits;                  /*!< Specifies the number of stop bits transmitted.
                                           This parameter can be a value of @ref UART_Stop_Bits. */

  uint32_t Parity;                    /*!< Specifies the parity mode.
                                           This parameter can be a value of @ref UART_Parity
                                           @note When parity is enabled, the computed parity is inserted
                                                 at the MSB position of the transmitted data (9th bit when
                                                 the word length is set to 9 data bits; 8th bit when the
                                                 word length is set to 8 data bits). */

  uint32_t Mode;                      /*!< Specifies whether the Receive or Transmit mode is enabled or disabled.
                                           This parameter can be a value of @ref UART_Mode. */

  uint32_t HwFlowCtl;                 /*!< Specifies whether the hardware flow control mode is enabled
                                           or disabled.
                                           This parameter can be a value of @ref UART_Hardware_Flow_Control. */

  uint32_t OverSampling;              /*!< Specifies whether the Over sampling 8 is enabled or disabled, to achieve higher speed (up to f_PCLK/8).
                                           This parameter can be a value of @ref UART_Over_Sampling. */

  uint32_t OneBitSampling;            /*!< Specifies whether a single sample or three samples' majority vote is selected.
                                           Selecting the single sample method increases the receiver tolerance to clock
                                           deviations. This parameter can be a value of @ref UART_OneBit_Sampling. */
}UART_InitTypeDef;

/**
  * @brief  UART Advanced Features initalization structure definition
  */
typedef struct
{
  uint32_t AdvFeatureInit;        /*!< Specifies which advanced UART features is initialized. Several
                                       Advanced Features may be initialized at the same time .
                                       This parameter can be a value of @ref UART_Advanced_Features_Initialization_Type. */

  uint32_t TxPinLevelInvert;      /*!< Specifies whether the TX pin active level is inverted.
                                       This parameter can be a value of @ref UART_Tx_Inv.  */

  uint32_t RxPinLevelInvert;      /*!< Specifies whether the RX pin active level is inverted.
                                       This parameter can be a value of @ref UART_Rx_Inv.  */

  uint32_t DataInvert;            /*!< Specifies whether data are inverted (positive/direct logic
                                       vs negative/inverted logic).
                                       This parameter can be a value of @ref UART_Data_Inv. */

  uint32_t Swap;                  /*!< Specifies whether TX and RX pins are swapped.
                                       This parameter can be a value of @ref UART_Rx_Tx_Swap. */

  uint32_t OverrunDisable;        /*!< Specifies whether the reception overrun detection is disabled.
                                       This parameter can be a value of @ref UART_Overrun_Disable. */

  uint32_t DMADisableonRxError;   /*!< Specifies whether the DMA is disabled in case of reception error.
                                       This parameter can be a value of @ref UART_DMA_Disable_on_Rx_Error. */

  uint32_t AutoBaudRateEnable;    /*!< Specifies whether auto Baud rate detection is enabled.
                                       This parameter can be a value of @ref UART_AutoBaudRate_Enable */

  uint32_t AutoBaudRateMode;      /*!< If auto Baud rate detection is enabled, specifies how the rate
                                       detection is carried out.
                                       This parameter can be a value of @ref UART_AutoBaud_Rate_Mode. */

  uint32_t MSBFirst;              /*!< Specifies whether MSB is sent first on UART line.
                                       This parameter can be a value of @ref UART_MSB_First. */
} UART_AdvFeatureInitTypeDef;



/**
  * @brief HAL UART State structures definition
  */
typedef enum
{
  HAL_UART_STATE_RESET             = 0x00,    /*!< Peripheral is not initialized                      */
  HAL_UART_STATE_READY             = 0x01,    /*!< Peripheral Initialized and ready for use           */
  HAL_UART_STATE_BUSY              = 0x02,    /*!< an internal process is ongoing                     */
  HAL_UART_STATE_BUSY_TX           = 0x12,    /*!< Data Transmission process is ongoing               */
  HAL_UART_STATE_BUSY_RX           = 0x22,    /*!< Data Reception process is ongoing                  */
  HAL_UART_STATE_BUSY_TX_RX        = 0x32,    /*!< Data Transmission and Reception process is ongoing */
  HAL_UART_STATE_TIMEOUT           = 0x03,    /*!< Timeout state                                      */
  HAL_UART_STATE_ERROR             = 0x04     /*!< Error                                              */
}HAL_UART_StateTypeDef;

/**
  * @brief  HAL UART Error Code structure definition
  */
typedef enum
{
  HAL_UART_ERROR_NONE      = 0x00,    /*!< No error            */
  HAL_UART_ERROR_PE        = 0x01,    /*!< Parity error        */
  HAL_UART_ERROR_NE        = 0x02,    /*!< Noise error         */
  HAL_UART_ERROR_FE        = 0x04,    /*!< frame error         */
  HAL_UART_ERROR_ORE       = 0x08,    /*!< Overrun error       */
  HAL_UART_ERROR_DMA       = 0x10     /*!< DMA transfer error  */
}HAL_UART_ErrorTypeDef;

/**
  * @brief UART clock sources definition
  */
typedef enum
{
  UART_CLOCKSOURCE_PCLK1      = 0x00,    /*!< PCLK1 clock source  */
  UART_CLOCKSOURCE_PCLK2      = 0x01,    /*!< PCLK2 clock source  */
  UART_CLOCKSOURCE_HSI        = 0x02,    /*!< HSI clock source    */
  UART_CLOCKSOURCE_SYSCLK     = 0x04,    /*!< SYSCLK clock source */
  UART_CLOCKSOURCE_LSE        = 0x08,    /*!< LSE clock source       */
  UART_CLOCKSOURCE_UNDEFINED  = 0x10     /*!< Undefined clock source */
}UART_ClockSourceTypeDef;

/**
  * @brief  UART handle Structure definition
  */
typedef struct
{
  USART_TypeDef            *Instance;        /*!< UART registers base address        */

  UART_InitTypeDef         Init;             /*!< UART communication parameters      */

  UART_AdvFeatureInitTypeDef AdvancedInit;   /*!< UART Advanced Features initialization parameters */

  uint8_t                  *pTxBuffPtr;      /*!< Pointer to UART Tx transfer Buffer */

  uint16_t                 TxXferSize;       /*!< UART Tx Transfer size              */

  uint16_t                 TxXferCount;      /*!< UART Tx Transfer Counter           */

  uint8_t                  *pRxBuffPtr;      /*!< Pointer to UART Rx transfer Buffer */

  uint16_t                 RxXferSize;       /*!< UART Rx Transfer size              */

  uint16_t                 RxXferCount;      /*!< UART Rx Transfer Counter           */

  uint16_t                 Mask;             /*!< UART Rx RDR register mask          */

  DMA_HandleTypeDef        *hdmatx;          /*!< UART Tx DMA Handle parameters      */

  DMA_HandleTypeDef        *hdmarx;          /*!< UART Rx DMA Handle parameters      */

  HAL_LockTypeDef           Lock;            /*!< Locking object                     */

  __IO HAL_UART_StateTypeDef    State;       /*!< UART communication state           */

  __IO uint32_t             ErrorCode;       /*!< UART Error code                    */

}UART_HandleTypeDef;

/**
  * @}
  */

/* Exported constants --------------------------------------------------------*/
/** @defgroup UART_Exported_Constants UART Exported Constants
  * @{
  */

/** @defgroup UART_Stop_Bits   UART Number of Stop Bits
  * @{
  */
#define UART_STOPBITS_0_5                    USART_CR2_STOP_0                     /*!< UART frame with 0.5 stop bit  */
#define UART_STOPBITS_1                     ((uint32_t)0x00000000)                /*!< UART frame with 1 stop bit    */
#define UART_STOPBITS_1_5                   (USART_CR2_STOP_0 | USART_CR2_STOP_1) /*!< UART frame with 1.5 stop bits */
#define UART_STOPBITS_2                      USART_CR2_STOP_1                     /*!< UART frame with 2 stop bits   */
/**
  * @}
  */

/** @defgroup UART_Parity  UART Parity
  * @{
  */
#define UART_PARITY_NONE                    ((uint32_t)0x00000000)                         /*!< No parity   */
#define UART_PARITY_EVEN                    ((uint32_t)USART_CR1_PCE)                      /*!< Even parity */
#define UART_PARITY_ODD                     ((uint32_t)(USART_CR1_PCE | USART_CR1_PS))     /*!< Odd parity  */
/**
  * @}
  */

/** @defgroup UART_Hardware_Flow_Control UART Hardware Flow Control
  * @{
  */
#define UART_HWCONTROL_NONE                  ((uint32_t)0x00000000)                           /*!< No hardware control       */
#define UART_HWCONTROL_RTS                   ((uint32_t)USART_CR3_RTSE)                       /*!< Request To Send           */
#define UART_HWCONTROL_CTS                   ((uint32_t)USART_CR3_CTSE)                       /*!< Clear To Send             */
#define UART_HWCONTROL_RTS_CTS               ((uint32_t)(USART_CR3_RTSE | USART_CR3_CTSE))    /*!< Request and Clear To Send */
/**
  * @}
  */

/** @defgroup UART_Mode UART Transfer Mode
  * @{
  */
#define UART_MODE_RX                        ((uint32_t)USART_CR1_RE)                    /*!< RX mode        */ 
#define UART_MODE_TX                        ((uint32_t)USART_CR1_TE)                    /*!< TX mode        */ 
#define UART_MODE_TX_RX                     ((uint32_t)(USART_CR1_TE |USART_CR1_RE))    /*!< RX and TX mode */ 
/**
  * @}
  */

 /** @defgroup UART_State  UART State
  * @{
  */
#define UART_STATE_DISABLE                  ((uint32_t)0x00000000)          /*!< UART disabled  */
#define UART_STATE_ENABLE                   ((uint32_t)USART_CR1_UE)        /*!< UART enabled   */
/**
  * @}
  */

/** @defgroup UART_Over_Sampling UART Over Sampling
  * @{
  */
#define UART_OVERSAMPLING_16                ((uint32_t)0x00000000)          /*!< Oversampling by 16 */
#define UART_OVERSAMPLING_8                 ((uint32_t)USART_CR1_OVER8)     /*!< Oversampling by 8  */
/**
  * @}
  */

/** @defgroup UART_OneBit_Sampling UART One Bit Sampling Method
  * @{
  */
#define UART_ONE_BIT_SAMPLE_DISABLE         ((uint32_t)0x00000000)          /*!< One-bit sampling disable */
#define UART_ONE_BIT_SAMPLE_ENABLE          ((uint32_t)USART_CR3_ONEBIT)    /*!< One-bit sampling enable  */
/**
  * @}
  */

/** @defgroup UART_AutoBaud_Rate_Mode    UART Advanced Feature AutoBaud Rate Mode
  * @{
  */
#define UART_ADVFEATURE_AUTOBAUDRATE_ONSTARTBIT    ((uint32_t)0x0000)                /*!< Auto Baud rate detection on start bit            */
#define UART_ADVFEATURE_AUTOBAUDRATE_ONFALLINGEDGE ((uint32_t)USART_CR2_ABRMODE_0)   /*!< Auto Baud rate detection on falling edge         */
#define UART_ADVFEATURE_AUTOBAUDRATE_ON0X7FFRAME   ((uint32_t)USART_CR2_ABRMODE_1)   /*!< Auto Baud rate detection on 0x7F frame detection */    
#define UART_ADVFEATURE_AUTOBAUDRATE_ON0X55FRAME   ((uint32_t)USART_CR2_ABRMODE)     /*!< Auto Baud rate detection on 0x55 frame detection */
/**
  * @}
  */

/** @defgroup UART_Receiver_TimeOut UART Receiver TimeOut
  * @{
  */
#define UART_RECEIVER_TIMEOUT_DISABLE       ((uint32_t)0x00000000)                  /*!< UART receiver timeout disable */
#define UART_RECEIVER_TIMEOUT_ENABLE        ((uint32_t)USART_CR2_RTOEN)             /*!< UART receiver timeout enable  */
/**
  * @}
  */

/** @defgroup UART_LIN    UART Local Interconnection Network mode
  * @{
  */
#define UART_LIN_DISABLE                    ((uint32_t)0x00000000)                 /*!< Local Interconnect Network disable */
#define UART_LIN_ENABLE                     ((uint32_t)USART_CR2_LINEN)            /*!< Local Interconnect Network enable  */
/**
  * @}
  */

/** @defgroup UART_LIN_Break_Detection  UART LIN Break Detection
  * @{
  */
#define UART_LINBREAKDETECTLENGTH_10B       ((uint32_t)0x00000000)                /*!< LIN 10-bit break detection length */
#define UART_LINBREAKDETECTLENGTH_11B       ((uint32_t)USART_CR2_LBDL)            /*!< LIN 11-bit break detection length  */
/**
  * @}
  */

/** @defgroup UART_DMA_Tx    UART DMA Tx
  * @{
  */
#define UART_DMA_TX_DISABLE                 ((uint32_t)0x00000000)                /*!< UART DMA TX disabled */
#define UART_DMA_TX_ENABLE                  ((uint32_t)USART_CR3_DMAT)            /*!< UART DMA TX enabled  */
/**
  * @}
  */

/** @defgroup UART_DMA_Rx   UART DMA Rx
  * @{
  */
#define UART_DMA_RX_DISABLE                 ((uint32_t)0x0000)                      /*!< UART DMA RX disabled */
#define UART_DMA_RX_ENABLE                  ((uint32_t)USART_CR3_DMAR)              /*!< UART DMA RX enabled  */
/**
  * @}
  */

/** @defgroup UART_Half_Duplex_Selection  UART Half Duplex Selection
  * @{
  */
#define UART_HALF_DUPLEX_DISABLE            ((uint32_t)0x0000)                      /*!< UART half-duplex disabled */
#define UART_HALF_DUPLEX_ENABLE             ((uint32_t)USART_CR3_HDSEL)             /*!< UART half-duplex enabled  */
/**
  * @}
  */

/** @defgroup UART_WakeUp_Methods   UART WakeUp Methods
  * @{
  */
#define UART_WAKEUPMETHOD_IDLELINE          ((uint32_t)0x00000000)                  /*!< UART wake-up on idle line    */
#define UART_WAKEUPMETHOD_ADDRESSMARK       ((uint32_t)USART_CR1_WAKE)              /*!< UART wake-up on address mark */
/**
  * @}
  */

/** @defgroup UART_Request_Parameters UART Request Parameters
  * @{
  */
#define UART_AUTOBAUD_REQUEST               ((uint32_t)USART_RQR_ABRRQ)        /*!< Auto-Baud Rate Request      */
#define UART_SENDBREAK_REQUEST              ((uint32_t)USART_RQR_SBKRQ)        /*!< Send Break Request          */
#define UART_MUTE_MODE_REQUEST              ((uint32_t)USART_RQR_MMRQ)         /*!< Mute Mode Request           */
#define UART_RXDATA_FLUSH_REQUEST           ((uint32_t)USART_RQR_RXFRQ)        /*!< Receive Data flush Request  */
#define UART_TXDATA_FLUSH_REQUEST           ((uint32_t)USART_RQR_TXFRQ)        /*!< Transmit data flush Request */
/**
  * @}
  */

/** @defgroup UART_Advanced_Features_Initialization_Type  UART Advanced Feature Initialization Type
  * @{
  */
#define UART_ADVFEATURE_NO_INIT                 ((uint32_t)0x00000000)          /*!< No advanced feature initialization       */
#define UART_ADVFEATURE_TXINVERT_INIT           ((uint32_t)0x00000001)          /*!< TX pin active level inversion            */
#define UART_ADVFEATURE_RXINVERT_INIT           ((uint32_t)0x00000002)          /*!< RX pin active level inversion            */
#define UART_ADVFEATURE_DATAINVERT_INIT         ((uint32_t)0x00000004)          /*!< Binary data inversion                    */
#define UART_ADVFEATURE_SWAP_INIT               ((uint32_t)0x00000008)          /*!< TX/RX pins swap                          */
#define UART_ADVFEATURE_RXOVERRUNDISABLE_INIT   ((uint32_t)0x00000010)          /*!< RX overrun disable                       */
#define UART_ADVFEATURE_DMADISABLEONERROR_INIT  ((uint32_t)0x00000020)          /*!< DMA disable on Reception Error           */
#define UART_ADVFEATURE_AUTOBAUDRATE_INIT       ((uint32_t)0x00000040)          /*!< Auto Baud rate detection initialization  */
#define UART_ADVFEATURE_MSBFIRST_INIT           ((uint32_t)0x00000080)          /*!< Most significant bit sent/received first */
/**
  * @}
  */

/** @defgroup UART_Tx_Inv UART Advanced Feature TX Pin Active Level Inversion
  * @{
  */
#define UART_ADVFEATURE_TXINV_DISABLE       ((uint32_t)0x00000000)              /*!< TX pin active level inversion disable */
#define UART_ADVFEATURE_TXINV_ENABLE        ((uint32_t)USART_CR2_TXINV)         /*!< TX pin active level inversion enable  */
/**
  * @}
  */

/** @defgroup UART_Rx_Inv UART Advanced Feature RX Pin Active Level Inversion
  * @{
  */
#define UART_ADVFEATURE_RXINV_DISABLE       ((uint32_t)0x00000000)              /*!< RX pin active level inversion disable */ 
#define UART_ADVFEATURE_RXINV_ENABLE        ((uint32_t)USART_CR2_RXINV)         /*!< RX pin active level inversion enable  */ 
/**
  * @}
  */

/** @defgroup UART_Data_Inv  UART Advanced Feature Binary Data Inversion
  * @{
  */
#define UART_ADVFEATURE_DATAINV_DISABLE     ((uint32_t)0x00000000)              /*!< Binary data inversion disable */
#define UART_ADVFEATURE_DATAINV_ENABLE      ((uint32_t)USART_CR2_DATAINV)       /*!< Binary data inversion enable  */
/**
  * @}
  */

/** @defgroup UART_Rx_Tx_Swap UART Advanced Feature RX TX Pins Swap
  * @{
  */
#define UART_ADVFEATURE_SWAP_DISABLE        ((uint32_t)0x00000000)              /*!< TX/RX pins swap disable */
#define UART_ADVFEATURE_SWAP_ENABLE         ((uint32_t)USART_CR2_SWAP)          /*!< TX/RX pins swap enable  */
/**
  * @}
  */

/** @defgroup UART_Overrun_Disable  UART Advanced Feature Overrun Disable
  * @{
  */
#define UART_ADVFEATURE_OVERRUN_ENABLE      ((uint32_t)0x00000000)              /*!< RX overrun enable  */ 
#define UART_ADVFEATURE_OVERRUN_DISABLE     ((uint32_t)USART_CR3_OVRDIS)        /*!< RX overrun disable */ 
/**
  * @}
  */

/** @defgroup UART_AutoBaudRate_Enable  UART Advanced Feature Auto BaudRate Enable
  * @{
  */
#define UART_ADVFEATURE_AUTOBAUDRATE_DISABLE   ((uint32_t)0x00000000)           /*!< RX Auto Baud rate detection enable  */ 
#define UART_ADVFEATURE_AUTOBAUDRATE_ENABLE    ((uint32_t)USART_CR2_ABREN)      /*!< RX Auto Baud rate detection disable */ 
/**
  * @}
  */

/** @defgroup UART_DMA_Disable_on_Rx_Error   UART Advanced Feature DMA Disable On Rx Error
  * @{
  */
#define UART_ADVFEATURE_DMA_ENABLEONRXERROR    ((uint32_t)0x00000000)           /*!< DMA enable on Reception Error  */
#define UART_ADVFEATURE_DMA_DISABLEONRXERROR   ((uint32_t)USART_CR3_DDRE)       /*!< DMA disable on Reception Error */
/**
  * @}
  */

/** @defgroup UART_MSB_First   UART Advanced Feature MSB First
  * @{
  */
#define UART_ADVFEATURE_MSBFIRST_DISABLE    ((uint32_t)0x00000000)              /*!< Most significant bit sent/received first disable */
#define UART_ADVFEATURE_MSBFIRST_ENABLE     ((uint32_t)USART_CR2_MSBFIRST)      /*!< Most significant bit sent/received first enable  */
/**
  * @}
  */

/** @defgroup UART_Stop_Mode_Enable   UART Advanced Feature Stop Mode Enable
  * @{
  */
#define UART_ADVFEATURE_STOPMODE_DISABLE    ((uint32_t)0x00000000)              /*!< UART stop mode disable */
#define UART_ADVFEATURE_STOPMODE_ENABLE     ((uint32_t)USART_CR1_UESM)          /*!< UART stop mode enable  */
/**
  * @}
  */

/** @defgroup UART_Mute_Mode   UART Advanced Feature Mute Mode Enable
  * @{
  */
#define UART_ADVFEATURE_MUTEMODE_DISABLE    ((uint32_t)0x00000000)              /*!< UART mute mode disable */
#define UART_ADVFEATURE_MUTEMODE_ENABLE     ((uint32_t)USART_CR1_MME)           /*!< UART mute mode enable  */
/**
  * @}
  */

/** @defgroup UART_CR2_ADDRESS_LSB_POS    UART Address-matching LSB Position In CR2 Register
  * @{
  */
#define UART_CR2_ADDRESS_LSB_POS            ((uint32_t) 24)                     /*!< UART address-matching LSB position in CR2 register */
/**
  * @}
  */

/** @defgroup UART_WakeUp_from_Stop_Selection   UART WakeUp From Stop Selection
  * @{
  */
#define UART_WAKEUP_ON_ADDRESS              ((uint32_t)0x00000000)              /*!< UART wake-up on address                         */
#define UART_WAKEUP_ON_STARTBIT             ((uint32_t)USART_CR3_WUS_1)         /*!< UART wake-up on start bit                       */
#define UART_WAKEUP_ON_READDATA_NONEMPTY    ((uint32_t)USART_CR3_WUS)           /*!< UART wake-up on receive data register not empty */
/**
  * @}
  */

/** @defgroup UART_DriverEnable_Polarity      UART DriverEnable Polarity
  * @{
  */
#define UART_DE_POLARITY_HIGH               ((uint32_t)0x00000000)              /*!< Driver enable signal is active high */
#define UART_DE_POLARITY_LOW                ((uint32_t)USART_CR3_DEP)           /*!< Driver enable signal is active low  */
/**
  * @}
  */

/** @defgroup UART_CR1_DEAT_ADDRESS_LSB_POS    UART Driver Enable Assertion Time LSB Position In CR1 Register
  * @{
  */
#define UART_CR1_DEAT_ADDRESS_LSB_POS       ((uint32_t) 21)                     /*!< UART Driver Enable assertion time LSB position in CR1 register */
/**
  * @}
  */

/** @defgroup UART_CR1_DEDT_ADDRESS_LSB_POS    UART Driver Enable DeAssertion Time LSB Position In CR1 Register
  * @{
  */
#define UART_CR1_DEDT_ADDRESS_LSB_POS       ((uint32_t) 16)                     /*!< UART Driver Enable de-assertion time LSB position in CR1 register */
/**
  * @}
  */

/** @defgroup UART_Interruption_Mask    UART Interruptions Flag Mask
  * @{
  */
#define UART_IT_MASK                        ((uint32_t)0x001F)                  /*!< UART interruptions flags mask */
/**
  * @}
  */

/** @defgroup UART_TimeOut_Value    UART polling-based communications time-out value
  * @{
  */
#define HAL_UART_TIMEOUT_VALUE              0x1FFFFFF                           /*!< UART polling-based communications time-out value */
/**
  * @}
  */

/** @defgroup UART_Flags     UART Status Flags
  *        Elements values convention: 0xXXXX
  *           - 0xXXXX  : Flag mask in the ISR register
  * @{
  */
#define UART_FLAG_REACK                     ((uint32_t)0x00400000)              /*!< UART receive enable acknowledge flag      */
#define UART_FLAG_TEACK                     ((uint32_t)0x00200000)              /*!< UART transmit enable acknowledge flag     */
#define UART_FLAG_WUF                       ((uint32_t)0x00100000)              /*!< UART wake-up from stop mode flag          */
#define UART_FLAG_RWU                       ((uint32_t)0x00080000)              /*!< UART receiver wake-up from mute mode flag */
#define UART_FLAG_SBKF                      ((uint32_t)0x00040000)              /*!< UART send break flag                      */
#define UART_FLAG_CMF                       ((uint32_t)0x00020000)              /*!< UART character match flag                 */
#define UART_FLAG_BUSY                      ((uint32_t)0x00010000)              /*!< UART busy flag                            */
#define UART_FLAG_ABRF                      ((uint32_t)0x00008000)              /*!< UART auto Baud rate flag                  */
#define UART_FLAG_ABRE                      ((uint32_t)0x00004000)              /*!< UART uto Baud rate error                  */
#define UART_FLAG_EOBF                      ((uint32_t)0x00001000)              /*!< UART end of block flag                    */
#define UART_FLAG_RTOF                      ((uint32_t)0x00000800)              /*!< UART receiver timeout flag                */
#define UART_FLAG_CTS                       ((uint32_t)0x00000400)              /*!< UART clear to send flag                   */
#define UART_FLAG_CTSIF                     ((uint32_t)0x00000200)              /*!< UART clear to send interrupt flag         */
#define UART_FLAG_LBDF                      ((uint32_t)0x00000100)              /*!< UART LIN break detection flag             */
#define UART_FLAG_TXE                       ((uint32_t)0x00000080)              /*!< UART transmit data register empty         */
#define UART_FLAG_TC                        ((uint32_t)0x00000040)              /*!< UART transmission complete                */
#define UART_FLAG_RXNE                      ((uint32_t)0x00000020)              /*!< UART read data register not empty         */
#define UART_FLAG_IDLE                      ((uint32_t)0x00000010)              /*!< UART idle flag                            */
#define UART_FLAG_ORE                       ((uint32_t)0x00000008)              /*!< UART overrun error                        */
#define UART_FLAG_NE                        ((uint32_t)0x00000004)              /*!< UART noise error                          */
#define UART_FLAG_FE                        ((uint32_t)0x00000002)              /*!< UART frame error                          */
#define UART_FLAG_PE                        ((uint32_t)0x00000001)              /*!< UART parity error                         */
/**
  * @}
  */

/** @defgroup UART_Interrupt_definition   UART Interrupts Definition
  *        Elements values convention: 000ZZZZZ0XXYYYYYb
  *           - YYYYY  : Interrupt source position in the XX register (5bits)
  *           - XX  : Interrupt source register (2bits)
  *                 - 01: CR1 register
  *                 - 10: CR2 register
  *                 - 11: CR3 register
  *           - ZZZZZ  : Flag position in the ISR register(5bits)
  * @{
  */
#define UART_IT_PE                          ((uint32_t)0x0028)                  /*!< UART parity error interruption                 */    
#define UART_IT_TXE                         ((uint32_t)0x0727)                  /*!< UART transmit data register empty interruption */    
#define UART_IT_TC                          ((uint32_t)0x0626)                  /*!< UART transmission complete interruption        */    
#define UART_IT_RXNE                        ((uint32_t)0x0525)                  /*!< UART read data register not empty interruption */    
#define UART_IT_IDLE                        ((uint32_t)0x0424)                  /*!< UART idle interruption                         */                                                               
#define UART_IT_LBD                         ((uint32_t)0x0846)                  /*!< UART LIN break detection interruption          */                
#define UART_IT_CTS                         ((uint32_t)0x096A)                  /*!< UART CTS interruption                          */                
#define UART_IT_CM                          ((uint32_t)0x112E)                  /*!< UART character match interruption              */                
#define UART_IT_WUF                         ((uint32_t)0x1476)                  /*!< UART wake-up from stop mode interruption       */                
                                                                                                     
/*        Elements values convention: 000000000XXYYYYYb                                         
              - YYYYY  : Interrupt source position in the XX register (5bits)                   
              - XX  : Interrupt source register (2bits)
                    - 01: CR1 register
                    - 10: CR2 register
                    - 11: CR3 register */
#define UART_IT_ERR                         ((uint32_t)0x0060)                  /*!< UART error interruption         */   
                                                                                  
/*       Elements values convention: 0000ZZZZ00000000b                            
             - ZZZZ  : Flag position in the ISR register(4bits) */                
#define UART_IT_ORE                         ((uint32_t)0x0300)                  /*!< UART overrun error interruption */ 
#define UART_IT_NE                          ((uint32_t)0x0200)                  /*!< UART noise error interruption   */ 
#define UART_IT_FE                          ((uint32_t)0x0100)                  /*!< UART frame error interruption   */ 
/**
  * @}
  */

/** @defgroup UART_IT_CLEAR_Flags  UART Interruption Clear Flags
  * @{
  */
#define UART_CLEAR_PEF                       USART_ICR_PECF            /*!< Parity Error Clear Flag           */
#define UART_CLEAR_FEF                       USART_ICR_FECF            /*!< Framing Error Clear Flag          */
#define UART_CLEAR_NEF                       USART_ICR_NCF             /*!< Noise detected Clear Flag         */
#define UART_CLEAR_OREF                      USART_ICR_ORECF           /*!< Overrun Error Clear Flag          */
#define UART_CLEAR_IDLEF                     USART_ICR_IDLECF          /*!< IDLE line detected Clear Flag     */
#define UART_CLEAR_TCF                       USART_ICR_TCCF            /*!< Transmission Complete Clear Flag  */
#define UART_CLEAR_LBDF                      USART_ICR_LBDCF           /*!< LIN Break Detection Clear Flag    */
#define UART_CLEAR_CTSF                      USART_ICR_CTSCF           /*!< CTS Interrupt Clear Flag          */
#define UART_CLEAR_RTOF                      USART_ICR_RTOCF           /*!< Receiver Time Out Clear Flag      */
#define UART_CLEAR_EOBF                      USART_ICR_EOBCF           /*!< End Of Block Clear Flag           */
#define UART_CLEAR_CMF                       USART_ICR_CMCF            /*!< Character Match Clear Flag        */
#define UART_CLEAR_WUF                       USART_ICR_WUCF            /*!< Wake Up from stop mode Clear Flag */
/**
  * @}
  */


/**
  * @}
  */

/* Exported macros -----------------------------------------------------------*/
/** @defgroup UART_Exported_Macros UART Exported Macros
  * @{
  */

/** @brief Reset UART handle state.
  * @param  __HANDLE__: UART handle.
  * @retval None
  */
#define __HAL_UART_RESET_HANDLE_STATE(__HANDLE__) ((__HANDLE__)->State = HAL_UART_STATE_RESET)

/** @brief  Flush the UART Data registers.
  * @param  __HANDLE__: specifies the UART Handle.
  * @retval None  
  */
#define __HAL_UART_FLUSH_DRREGISTER(__HANDLE__)  \
  do{                \
      SET_BIT((__HANDLE__)->Instance->RQR, UART_RXDATA_FLUSH_REQUEST); \
      SET_BIT((__HANDLE__)->Instance->RQR, UART_TXDATA_FLUSH_REQUEST); \
    }  while(0)

/** @brief  Clear the specified UART pending flag.
  * @param  __HANDLE__: specifies the UART Handle.
  * @param  __FLAG__: specifies the flag to check.
  *          This parameter can be any combination of the following values:
  *            @arg @ref UART_CLEAR_PEF      Parity Error Clear Flag           
  *            @arg @ref UART_CLEAR_FEF      Framing Error Clear Flag          
  *            @arg @ref UART_CLEAR_NEF      Noise detected Clear Flag         
  *            @arg @ref UART_CLEAR_OREF     Overrun Error Clear Flag          
  *            @arg @ref UART_CLEAR_IDLEF    IDLE line detected Clear Flag     
  *            @arg @ref UART_CLEAR_TCF      Transmission Complete Clear Flag  
  *            @arg @ref UART_CLEAR_LBDF     LIN Break Detection Clear Flag    
  *            @arg @ref UART_CLEAR_CTSF     CTS Interrupt Clear Flag          
  *            @arg @ref UART_CLEAR_RTOF     Receiver Time Out Clear Flag      
  *            @arg @ref UART_CLEAR_EOBF     End Of Block Clear Flag           
  *            @arg @ref UART_CLEAR_CMF      Character Match Clear Flag        
  *            @arg @ref UART_CLEAR_WUF      Wake Up from stop mode Clear Flag 
  * @retval None
  */
#define __HAL_UART_CLEAR_FLAG(__HANDLE__, __FLAG__) ((__HANDLE__)->Instance->ICR = (__FLAG__))

/** @brief  Clear the UART PE pending flag.
  * @param  __HANDLE__: specifies the UART Handle.
  * @retval None
  */
#define __HAL_UART_CLEAR_PEFLAG(__HANDLE__)   __HAL_UART_CLEAR_FLAG((__HANDLE__), UART_CLEAR_PEF)

/** @brief  Clear the UART FE pending flag.
  * @param  __HANDLE__: specifies the UART Handle.
  * @retval None
  */
#define __HAL_UART_CLEAR_FEFLAG(__HANDLE__)   __HAL_UART_CLEAR_FLAG((__HANDLE__), UART_CLEAR_FEF)

/** @brief  Clear the UART NE pending flag.
  * @param  __HANDLE__: specifies the UART Handle.
  * @retval None
  */
#define __HAL_UART_CLEAR_NEFLAG(__HANDLE__)  __HAL_UART_CLEAR_FLAG((__HANDLE__), UART_CLEAR_NEF)

/** @brief  Clear the UART ORE pending flag.
  * @param  __HANDLE__: specifies the UART Handle.
  * @retval None
  */
#define __HAL_UART_CLEAR_OREFLAG(__HANDLE__)   __HAL_UART_CLEAR_FLAG((__HANDLE__), UART_CLEAR_OREF)

/** @brief  Clear the UART IDLE pending flag.
  * @param  __HANDLE__: specifies the UART Handle.
  * @retval None
  */
#define __HAL_UART_CLEAR_IDLEFLAG(__HANDLE__)   __HAL_UART_CLEAR_FLAG((__HANDLE__), UART_CLEAR_IDLEF)

/** @brief  Check whether the specified UART flag is set or not.
  * @param  __HANDLE__: specifies the UART Handle.
  * @param  __FLAG__: specifies the flag to check.
  *        This parameter can be one of the following values:
  *            @arg @ref UART_FLAG_REACK Receive enable acknowledge flag
  *            @arg @ref UART_FLAG_TEACK Transmit enable acknowledge flag
  *            @arg @ref UART_FLAG_WUF   Wake up from stop mode flag
  *            @arg @ref UART_FLAG_RWU   Receiver wake up flag (if the UART in mute mode)
  *            @arg @ref UART_FLAG_SBKF  Send Break flag
  *            @arg @ref UART_FLAG_CMF   Character match flag
  *            @arg @ref UART_FLAG_BUSY  Busy flag
  *            @arg @ref UART_FLAG_ABRF  Auto Baud rate detection flag
  *            @arg @ref UART_FLAG_ABRE  Auto Baud rate detection error flag
  *            @arg @ref UART_FLAG_EOBF  End of block flag
  *            @arg @ref UART_FLAG_RTOF  Receiver timeout flag
  *            @arg @ref UART_FLAG_CTS   CTS Change flag
  *            @arg @ref UART_FLAG_LBDF  LIN Break detection flag
  *            @arg @ref UART_FLAG_TXE   Transmit data register empty flag
  *            @arg @ref UART_FLAG_TC    Transmission Complete flag
  *            @arg @ref UART_FLAG_RXNE  Receive data register not empty flag
  *            @arg @ref UART_FLAG_IDLE  Idle Line detection flag
  *            @arg @ref UART_FLAG_ORE   Overrun Error flag
  *            @arg @ref UART_FLAG_NE    Noise Error flag
  *            @arg @ref UART_FLAG_FE    Framing Error flag
  *            @arg @ref UART_FLAG_PE    Parity Error flag
  * @retval The new state of __FLAG__ (TRUE or FALSE).
  */
#define __HAL_UART_GET_FLAG(__HANDLE__, __FLAG__) (((__HANDLE__)->Instance->ISR & (__FLAG__)) == (__FLAG__))

/** @brief  Enable the specified UART interrupt.
  * @param  __HANDLE__: specifies the UART Handle.
  * @param  __INTERRUPT__: specifies the UART interrupt source to enable.
  *          This parameter can be one of the following values:
  *            @arg @ref UART_IT_WUF  Wakeup from stop mode interrupt
  *            @arg @ref UART_IT_CM   Character match interrupt
  *            @arg @ref UART_IT_CTS  CTS change interrupt
  *            @arg @ref UART_IT_LBD  LIN Break detection interrupt
  *            @arg @ref UART_IT_TXE  Transmit Data Register empty interrupt
  *            @arg @ref UART_IT_TC   Transmission complete interrupt
  *            @arg @ref UART_IT_RXNE Receive Data register not empty interrupt
  *            @arg @ref UART_IT_IDLE Idle line detection interrupt
  *            @arg @ref UART_IT_PE   Parity Error interrupt
  *            @arg @ref UART_IT_ERR  Error interrupt (Frame error, noise error, overrun error)
  * @retval None
  */
#define __HAL_UART_ENABLE_IT(__HANDLE__, __INTERRUPT__)   (((((uint8_t)(__INTERRUPT__)) >> 5U) == 1)? ((__HANDLE__)->Instance->CR1 |= (1U << ((__INTERRUPT__) & UART_IT_MASK))): \
                                                           ((((uint8_t)(__INTERRUPT__)) >> 5U) == 2)? ((__HANDLE__)->Instance->CR2 |= (1U << ((__INTERRUPT__) & UART_IT_MASK))): \
                                                           ((__HANDLE__)->Instance->CR3 |= (1U << ((__INTERRUPT__) & UART_IT_MASK))))


/** @brief  Disable the specified UART interrupt.
  * @param  __HANDLE__: specifies the UART Handle.
  * @param  __INTERRUPT__: specifies the UART interrupt source to disable.
  *          This parameter can be one of the following values:
  *            @arg @ref UART_IT_WUF  Wakeup from stop mode interrupt
  *            @arg @ref UART_IT_CM   Character match interrupt
  *            @arg @ref UART_IT_CTS  CTS change interrupt
  *            @arg @ref UART_IT_LBD  LIN Break detection interrupt
  *            @arg @ref UART_IT_TXE  Transmit Data Register empty interrupt
  *            @arg @ref UART_IT_TC   Transmission complete interrupt
  *            @arg @ref UART_IT_RXNE Receive Data register not empty interrupt
  *            @arg @ref UART_IT_IDLE Idle line detection interrupt
  *            @arg @ref UART_IT_PE   Parity Error interrupt
  *            @arg @ref UART_IT_ERR  Error interrupt (Frame error, noise error, overrun error)
  * @retval None
  */
#define __HAL_UART_DISABLE_IT(__HANDLE__, __INTERRUPT__)  (((((uint8_t)(__INTERRUPT__)) >> 5U) == 1)? ((__HANDLE__)->Instance->CR1 &= ~ (1U << ((__INTERRUPT__) & UART_IT_MASK))): \
                                                           ((((uint8_t)(__INTERRUPT__)) >> 5U) == 2)? ((__HANDLE__)->Instance->CR2 &= ~ (1U << ((__INTERRUPT__) & UART_IT_MASK))): \
                                                           ((__HANDLE__)->Instance->CR3 &= ~ (1U << ((__INTERRUPT__) & UART_IT_MASK))))

/** @brief  Check whether the specified UART interrupt has occurred or not.
  * @param  __HANDLE__: specifies the UART Handle.
  * @param  __IT__: specifies the UART interrupt to check.
  *          This parameter can be one of the following values:
  *            @arg @ref UART_IT_WUF  Wakeup from stop mode interrupt
  *            @arg @ref UART_IT_CM   Character match interrupt
  *            @arg @ref UART_IT_CTS  CTS change interrupt
  *            @arg @ref UART_IT_LBD  LIN Break detection interrupt
  *            @arg @ref UART_IT_TXE  Transmit Data Register empty interrupt
  *            @arg @ref UART_IT_TC   Transmission complete interrupt
  *            @arg @ref UART_IT_RXNE Receive Data register not empty interrupt
  *            @arg @ref UART_IT_IDLE Idle line detection interrupt
  *            @arg @ref UART_IT_ORE  Overrun Error interrupt
  *            @arg @ref UART_IT_NE   Noise Error interrupt   
  *            @arg @ref UART_IT_FE   Framing Error interrupt   
  *            @arg @ref UART_IT_PE   Parity Error interrupt
  * @retval The new state of __IT__ (TRUE or FALSE).
  */
#define __HAL_UART_GET_IT(__HANDLE__, __IT__) ((__HANDLE__)->Instance->ISR & ((uint32_t)1 << ((__IT__)>> 0x08)))

/** @brief  Check whether the specified UART interrupt source is enabled or not.
  * @param  __HANDLE__: specifies the UART Handle.
  * @param  __IT__: specifies the UART interrupt source to check.
  *          This parameter can be one of the following values:
  *            @arg @ref UART_IT_WUF  Wakeup from stop mode interrupt
  *            @arg @ref UART_IT_CM   Character match interrupt  
  *            @arg @ref UART_IT_CTS  CTS change interrupt
  *            @arg @ref UART_IT_LBD  LIN Break detection interrupt
  *            @arg @ref UART_IT_TXE  Transmit Data Register empty interrupt
  *            @arg @ref UART_IT_TC   Transmission complete interrupt
  *            @arg @ref UART_IT_RXNE Receive Data register not empty interrupt
  *            @arg @ref UART_IT_IDLE Idle line detection interrupt
  *            @arg @ref UART_IT_ERR  Error interrupt (Frame error, noise error, overrun error)
  *            @arg @ref UART_IT_PE   Parity Error interrupt
  * @retval The new state of __IT__ (TRUE or FALSE).
  */
#define __HAL_UART_GET_IT_SOURCE(__HANDLE__, __IT__) ((((((uint8_t)(__IT__)) >> 5U) == 1)? (__HANDLE__)->Instance->CR1:(((((uint8_t)(__IT__)) >> 5U) == 2)? \
                                                       (__HANDLE__)->Instance->CR2 : (__HANDLE__)->Instance->CR3)) & ((uint32_t)1 << (((uint16_t)(__IT__)) & UART_IT_MASK)))

/** @brief  Clear the specified UART ISR flag, in setting the proper ICR register flag.
  * @param  __HANDLE__: specifies the UART Handle.
  * @param  __IT_CLEAR__: specifies the interrupt clear register flag that needs to be set
  *                       to clear the corresponding interrupt
  *          This parameter can be one of the following values:
  *            @arg @ref UART_CLEAR_PEF Parity Error Clear Flag
  *            @arg @ref UART_CLEAR_FEF Framing Error Clear Flag
  *            @arg @ref UART_CLEAR_NEF Noise detected Clear Flag
  *            @arg @ref UART_CLEAR_OREF Overrun Error Clear Flag
  *            @arg @ref UART_CLEAR_IDLEF IDLE line detected Clear Flag
  *            @arg @ref UART_CLEAR_TCF Transmission Complete Clear Flag
  *            @arg @ref UART_CLEAR_LBDF LIN Break Detection Clear Flag
  *            @arg @ref UART_CLEAR_CTSF CTS Interrupt Clear Flag
  *            @arg @ref UART_CLEAR_CMF Character Match Clear Flag
  *            @arg @ref UART_CLEAR_WUF  Wake Up from stop mode Clear Flag
  * @retval None
  */
#define __HAL_UART_CLEAR_IT(__HANDLE__, __IT_CLEAR__) ((__HANDLE__)->Instance->ICR = (uint32_t)(__IT_CLEAR__))

/** @brief  Set a specific UART request flag.
  * @param  __HANDLE__: specifies the UART Handle.
  * @param  __REQ__: specifies the request flag to set
  *          This parameter can be one of the following values:
  *            @arg @ref UART_AUTOBAUD_REQUEST Auto-Baud Rate Request
  *            @arg @ref UART_SENDBREAK_REQUEST Send Break Request
  *            @arg @ref UART_MUTE_MODE_REQUEST Mute Mode Request
  *            @arg @ref UART_RXDATA_FLUSH_REQUEST Receive Data flush Request
  *            @arg @ref UART_TXDATA_FLUSH_REQUEST Transmit data flush Request
  * @retval None
  */
#define __HAL_UART_SEND_REQ(__HANDLE__, __REQ__) ((__HANDLE__)->Instance->RQR |= (uint32_t)(__REQ__))

/** @brief  Enable the UART one bit sample method.
  * @param  __HANDLE__: specifies the UART Handle.  
  * @retval None
  */     
#define __HAL_UART_ONE_BIT_SAMPLE_ENABLE(__HANDLE__) ((__HANDLE__)->Instance->CR3|= USART_CR3_ONEBIT)

/** @brief  Disable the UART one bit sample method.
  * @param  __HANDLE__: specifies the UART Handle.  
  * @retval None
  */      
#define __HAL_UART_ONE_BIT_SAMPLE_DISABLE(__HANDLE__) ((__HANDLE__)->Instance->CR3 &= (uint32_t)~((uint32_t)USART_CR3_ONEBIT))

/** @brief  Enable UART.
  * @param  __HANDLE__: specifies the UART Handle.
  * @retval None
  */
#define __HAL_UART_ENABLE(__HANDLE__)                   ((__HANDLE__)->Instance->CR1 |=  USART_CR1_UE)

/** @brief  Disable UART.
  * @param  __HANDLE__: specifies the UART Handle.
  * @retval None
  */
#define __HAL_UART_DISABLE(__HANDLE__)                  ((__HANDLE__)->Instance->CR1 &=  ~USART_CR1_UE)

/** @brief  Enable CTS flow control.
  * @note   This macro allows to enable CTS hardware flow control for a given UART instance, 
  *         without need to call HAL_UART_Init() function.
  *         As involving direct access to UART registers, usage of this macro should be fully endorsed by user.
  * @note   As macro is expected to be used for modifying CTS Hw flow control feature activation, without need
  *         for USART instance Deinit/Init, following conditions for macro call should be fulfilled :
  *           - UART instance should have already been initialised (through call of HAL_UART_Init() )
  *           - macro could only be called when corresponding UART instance is disabled (i.e. __HAL_UART_DISABLE(__HANDLE__))
  *             and should be followed by an Enable macro (i.e. __HAL_UART_ENABLE(__HANDLE__)).                                                                                                                  
  * @param  __HANDLE__: specifies the UART Handle.
  * @retval None
  */
#define __HAL_UART_HWCONTROL_CTS_ENABLE(__HANDLE__)        \
  do{                                                      \
    SET_BIT((__HANDLE__)->Instance->CR3, USART_CR3_CTSE);  \
    (__HANDLE__)->Init.HwFlowCtl |= USART_CR3_CTSE;        \
  } while(0)

/** @brief  Disable CTS flow control.
  * @note   This macro allows to disable CTS hardware flow control for a given UART instance, 
  *         without need to call HAL_UART_Init() function.
  *         As involving direct access to UART registers, usage of this macro should be fully endorsed by user.
  * @note   As macro is expected to be used for modifying CTS Hw flow control feature activation, without need
  *         for USART instance Deinit/Init, following conditions for macro call should be fulfilled :
  *           - UART instance should have already been initialised (through call of HAL_UART_Init() )
  *           - macro could only be called when corresponding UART instance is disabled (i.e. __HAL_UART_DISABLE(__HANDLE__))
  *             and should be followed by an Enable macro (i.e. __HAL_UART_ENABLE(__HANDLE__)). 
  * @param  __HANDLE__: specifies the UART Handle.
  * @retval None
  */
#define __HAL_UART_HWCONTROL_CTS_DISABLE(__HANDLE__)        \
  do{                                                       \
    CLEAR_BIT((__HANDLE__)->Instance->CR3, USART_CR3_CTSE); \
    (__HANDLE__)->Init.HwFlowCtl &= ~(USART_CR3_CTSE);      \
  } while(0)

/** @brief  Enable RTS flow control.
  * @note   This macro allows to enable RTS hardware flow control for a given UART instance, 
  *         without need to call HAL_UART_Init() function.
  *         As involving direct access to UART registers, usage of this macro should be fully endorsed by user.
  * @note   As macro is expected to be used for modifying RTS Hw flow control feature activation, without need
  *         for USART instance Deinit/Init, following conditions for macro call should be fulfilled :
  *           - UART instance should have already been initialised (through call of HAL_UART_Init() )
  *           - macro could only be called when corresponding UART instance is disabled (i.e. __HAL_UART_DISABLE(__HANDLE__))
  *             and should be followed by an Enable macro (i.e. __HAL_UART_ENABLE(__HANDLE__)). 
  * @param  __HANDLE__: specifies the UART Handle.
  * @retval None
  */
#define __HAL_UART_HWCONTROL_RTS_ENABLE(__HANDLE__)       \
  do{                                                     \
    SET_BIT((__HANDLE__)->Instance->CR3, USART_CR3_RTSE); \
    (__HANDLE__)->Init.HwFlowCtl |= USART_CR3_RTSE;       \
  } while(0)

/** @brief  Disable RTS flow control.
  * @note   This macro allows to disable RTS hardware flow control for a given UART instance, 
  *         without need to call HAL_UART_Init() function.
  *         As involving direct access to UART registers, usage of this macro should be fully endorsed by user.
  * @note   As macro is expected to be used for modifying RTS Hw flow control feature activation, without need
  *         for USART instance Deinit/Init, following conditions for macro call should be fulfilled :
  *           - UART instance should have already been initialised (through call of HAL_UART_Init() )
  *           - macro could only be called when corresponding UART instance is disabled (i.e. __HAL_UART_DISABLE(__HANDLE__))
  *             and should be followed by an Enable macro (i.e. __HAL_UART_ENABLE(__HANDLE__)). 
  * @param  __HANDLE__: specifies the UART Handle.
  * @retval None
  */
#define __HAL_UART_HWCONTROL_RTS_DISABLE(__HANDLE__)       \
  do{                                                      \
    CLEAR_BIT((__HANDLE__)->Instance->CR3, USART_CR3_RTSE);\
    (__HANDLE__)->Init.HwFlowCtl &= ~(USART_CR3_RTSE);     \
  } while(0)

/**
  * @}
  */

/* Private macros --------------------------------------------------------*/
/** @defgroup UART_Private_Macros   UART Private Macros
  * @{
  */
/** @brief  BRR division operation to set BRR register with LPUART.
  * @param  __PCLK__: LPUART clock.
  * @param  __BAUD__: Baud rate set by the user.
  * @retval Division result
  */
#define UART_DIV_LPUART(__PCLK__, __BAUD__)                (((uint64_t)(__PCLK__)*256)/((__BAUD__)))

/** @brief  BRR division operation to set BRR register in 8-bit oversampling mode.
  * @param  __PCLK__: UART clock.
  * @param  __BAUD__: Baud rate set by the user.
  * @retval Division result
  */
#define UART_DIV_SAMPLING8(__PCLK__, __BAUD__)             (((__PCLK__)*2)/((__BAUD__)))

/** @brief  BRR division operation to set BRR register in 16-bit oversampling mode.
  * @param  __PCLK__: UART clock.
  * @param  __BAUD__: Baud rate set by the user.
  * @retval Division result
  */
#define UART_DIV_SAMPLING16(__PCLK__, __BAUD__)             (((__PCLK__))/((__BAUD__)))

/** @brief  Check whether or not UART instance is Low Power UART.
  * @param  __HANDLE__: specifies the UART Handle.
  * @retval SET (instance is LPUART) or RESET (instance isn't LPUART)
  */
#define UART_INSTANCE_LOWPOWER(__HANDLE__) (((__HANDLE__)->Instance == LPUART1) ? SET : RESET )

/** @brief  Check UART Baud rate.
  * @param  __BAUDRATE__: Baudrate specified by the user.
  *         The maximum Baud Rate is derived from the maximum clock on L4 (i.e. 80 MHz)
  *         divided by the smallest oversampling used on the USART (i.e. 8)
  * @retval SET (__BAUDRATE__ is valid) or RESET (__BAUDRATE__ is invalid)
  */
#define IS_UART_BAUDRATE(__BAUDRATE__) ((__BAUDRATE__) < 10000001)

/** @brief  Check UART assertion time.
  * @param  __TIME__: 5-bit value assertion time.
  * @retval Test result (TRUE or FALSE).
  */
#define IS_UART_ASSERTIONTIME(__TIME__)    ((__TIME__) <= 0x1F)

/** @brief  Check UART deassertion time.
  * @param  __TIME__: 5-bit value deassertion time.
  * @retval Test result (TRUE or FALSE).
  */
#define IS_UART_DEASSERTIONTIME(__TIME__) ((__TIME__) <= 0x1F)

/**
  * @brief Ensure that UART frame number of stop bits is valid.
  * @param __STOPBITS__: UART frame number of stop bits. 
  * @retval SET (__STOPBITS__ is valid) or RESET (__STOPBITS__ is invalid)  UART_STOPBITS_1_5
  */
#define IS_UART_STOPBITS(__STOPBITS__) (((__STOPBITS__) == UART_STOPBITS_0_5) || \
                                        ((__STOPBITS__) == UART_STOPBITS_1)   || \
                                        ((__STOPBITS__) == UART_STOPBITS_1_5) || \
                                        ((__STOPBITS__) == UART_STOPBITS_2))

/**
  * @brief Ensure that LPUART frame number of stop bits is valid.
  * @param __STOPBITS__: LPUART frame number of stop bits. 
  * @retval SET (__STOPBITS__ is valid) or RESET (__STOPBITS__ is invalid)
  */ 
#define IS_LPUART_STOPBITS(__STOPBITS__) (((__STOPBITS__) == UART_STOPBITS_1) || \
                                          ((__STOPBITS__) == UART_STOPBITS_2))

/**
  * @brief Ensure that UART frame parity is valid.
  * @param __PARITY__: UART frame parity. 
  * @retval SET (__PARITY__ is valid) or RESET (__PARITY__ is invalid)
  */ 
#define IS_UART_PARITY(__PARITY__) (((__PARITY__) == UART_PARITY_NONE) || \
                                    ((__PARITY__) == UART_PARITY_EVEN) || \
                                    ((__PARITY__) == UART_PARITY_ODD))

/**
  * @brief Ensure that UART hardware flow control is valid.
  * @param __CONTROL__: UART hardware flow control. 
  * @retval SET (__CONTROL__ is valid) or RESET (__CONTROL__ is invalid)
  */ 
#define IS_UART_HARDWARE_FLOW_CONTROL(__CONTROL__)\
                                   (((__CONTROL__) == UART_HWCONTROL_NONE) || \
                                    ((__CONTROL__) == UART_HWCONTROL_RTS)  || \
                                    ((__CONTROL__) == UART_HWCONTROL_CTS)  || \
                                    ((__CONTROL__) == UART_HWCONTROL_RTS_CTS))

/**
  * @brief Ensure that UART communication mode is valid.
  * @param __MODE__: UART communication mode. 
  * @retval SET (__MODE__ is valid) or RESET (__MODE__ is invalid)
  */ 
#define IS_UART_MODE(__MODE__) ((((__MODE__) & (~((uint32_t)(UART_MODE_TX_RX)))) == (uint32_t)0x00) && ((__MODE__) != (uint32_t)0x00))

/**
  * @brief Ensure that UART state is valid.
  * @param __STATE__: UART state. 
  * @retval SET (__STATE__ is valid) or RESET (__STATE__ is invalid)
  */ 
#define IS_UART_STATE(__STATE__) (((__STATE__) == UART_STATE_DISABLE) || \
                                  ((__STATE__) == UART_STATE_ENABLE))

/**
  * @brief Ensure that UART oversampling is valid.
  * @param __SAMPLING__: UART oversampling. 
  * @retval SET (__SAMPLING__ is valid) or RESET (__SAMPLING__ is invalid)
  */ 
#define IS_UART_OVERSAMPLING(__SAMPLING__) (((__SAMPLING__) == UART_OVERSAMPLING_16) || \
                                            ((__SAMPLING__) == UART_OVERSAMPLING_8))

/**
  * @brief Ensure that UART frame sampling is valid.
  * @param __ONEBIT__: UART frame sampling. 
  * @retval SET (__ONEBIT__ is valid) or RESET (__ONEBIT__ is invalid)
  */
#define IS_UART_ONE_BIT_SAMPLE(__ONEBIT__) (((__ONEBIT__) == UART_ONE_BIT_SAMPLE_DISABLE) || \
                                            ((__ONEBIT__) == UART_ONE_BIT_SAMPLE_ENABLE))

/**
  * @brief Ensure that UART auto Baud rate detection mode is valid.
  * @param __MODE__: UART auto Baud rate detection mode. 
  * @retval SET (__MODE__ is valid) or RESET (__MODE__ is invalid)
  */
#define IS_UART_ADVFEATURE_AUTOBAUDRATEMODE(__MODE__)  (((__MODE__) == UART_ADVFEATURE_AUTOBAUDRATE_ONSTARTBIT)    || \
                                                        ((__MODE__) == UART_ADVFEATURE_AUTOBAUDRATE_ONFALLINGEDGE) || \
                                                        ((__MODE__) == UART_ADVFEATURE_AUTOBAUDRATE_ON0X7FFRAME)   || \
                                                        ((__MODE__) == UART_ADVFEATURE_AUTOBAUDRATE_ON0X55FRAME))

/**
  * @brief Ensure that UART receiver timeout setting is valid.
  * @param __TIMEOUT__: UART receiver timeout setting. 
  * @retval SET (__TIMEOUT__ is valid) or RESET (__TIMEOUT__ is invalid)
  */
#define IS_UART_RECEIVER_TIMEOUT(__TIMEOUT__) (((__TIMEOUT__) == UART_RECEIVER_TIMEOUT_DISABLE) || \
                                               ((__TIMEOUT__) == UART_RECEIVER_TIMEOUT_ENABLE))

/**
  * @brief Ensure that UART LIN state is valid.
  * @param __LIN__: UART LIN state. 
  * @retval SET (__LIN__ is valid) or RESET (__LIN__ is invalid)
  */
#define IS_UART_LIN(__LIN__)        (((__LIN__) == UART_LIN_DISABLE) || \
                                     ((__LIN__) == UART_LIN_ENABLE))

/**
  * @brief Ensure that UART LIN break detection length is valid.
  * @param __LENGTH__: UART LIN break detection length. 
  * @retval SET (__LENGTH__ is valid) or RESET (__LENGTH__ is invalid)
  */
#define IS_UART_LIN_BREAK_DETECT_LENGTH(__LENGTH__) (((__LENGTH__) == UART_LINBREAKDETECTLENGTH_10B) || \
                                                     ((__LENGTH__) == UART_LINBREAKDETECTLENGTH_11B))

/**
  * @brief Ensure that UART DMA TX state is valid.
  * @param __DMATX__: UART DMA TX state. 
  * @retval SET (__DMATX__ is valid) or RESET (__DMATX__ is invalid)
  */
#define IS_UART_DMA_TX(__DMATX__)     (((__DMATX__) == UART_DMA_TX_DISABLE) || \
                                       ((__DMATX__) == UART_DMA_TX_ENABLE))

/**
  * @brief Ensure that UART DMA RX state is valid.
  * @param __DMARX__: UART DMA RX state. 
  * @retval SET (__DMARX__ is valid) or RESET (__DMARX__ is invalid)
  */
#define IS_UART_DMA_RX(__DMARX__)     (((__DMARX__) == UART_DMA_RX_DISABLE) || \
                                       ((__DMARX__) == UART_DMA_RX_ENABLE))

/**
  * @brief Ensure that UART half-duplex state is valid.
  * @param __HDSEL__: UART half-duplex state. 
  * @retval SET (__HDSEL__ is valid) or RESET (__HDSEL__ is invalid)
  */
#define IS_UART_HALF_DUPLEX(__HDSEL__)     (((__HDSEL__) == UART_HALF_DUPLEX_DISABLE) || \
                                            ((__HDSEL__) == UART_HALF_DUPLEX_ENABLE))

/**
  * @brief Ensure that UART wake-up method is valid.
  * @param __WAKEUP__: UART wake-up method . 
  * @retval SET (__WAKEUP__ is valid) or RESET (__WAKEUP__ is invalid)
  */
#define IS_UART_WAKEUPMETHOD(__WAKEUP__) (((__WAKEUP__) == UART_WAKEUPMETHOD_IDLELINE) || \
                                          ((__WAKEUP__) == UART_WAKEUPMETHOD_ADDRESSMARK))

/**
  * @brief Ensure that UART request parameter is valid.
  * @param __PARAM__: UART request parameter. 
  * @retval SET (__PARAM__ is valid) or RESET (__PARAM__ is invalid)
  */
#define IS_UART_REQUEST_PARAMETER(__PARAM__) (((__PARAM__) == UART_AUTOBAUD_REQUEST)     || \
                                              ((__PARAM__) == UART_SENDBREAK_REQUEST)    || \
                                              ((__PARAM__) == UART_MUTE_MODE_REQUEST)    || \
                                              ((__PARAM__) == UART_RXDATA_FLUSH_REQUEST) || \
                                              ((__PARAM__) == UART_TXDATA_FLUSH_REQUEST))

/**
  * @brief Ensure that UART advanced features initialization is valid.
  * @param __INIT__: UART advanced features initialization. 
  * @retval SET (__INIT__ is valid) or RESET (__INIT__ is invalid)
  */
#define IS_UART_ADVFEATURE_INIT(__INIT__)   ((__INIT__) <= (UART_ADVFEATURE_NO_INIT                | \
                                                            UART_ADVFEATURE_TXINVERT_INIT          | \
                                                            UART_ADVFEATURE_RXINVERT_INIT          | \
                                                            UART_ADVFEATURE_DATAINVERT_INIT        | \
                                                            UART_ADVFEATURE_SWAP_INIT              | \
                                                            UART_ADVFEATURE_RXOVERRUNDISABLE_INIT  | \
                                                            UART_ADVFEATURE_DMADISABLEONERROR_INIT | \
                                                            UART_ADVFEATURE_AUTOBAUDRATE_INIT      | \
                                                            UART_ADVFEATURE_MSBFIRST_INIT))

/**
  * @brief Ensure that UART frame TX inversion setting is valid.
  * @param __TXINV__: UART frame TX inversion setting. 
  * @retval SET (__TXINV__ is valid) or RESET (__TXINV__ is invalid)
  */
#define IS_UART_ADVFEATURE_TXINV(__TXINV__) (((__TXINV__) == UART_ADVFEATURE_TXINV_DISABLE) || \
                                             ((__TXINV__) == UART_ADVFEATURE_TXINV_ENABLE))

/**
  * @brief Ensure that UART frame RX inversion setting is valid.
  * @param __RXINV__: UART frame RX inversion setting. 
  * @retval SET (__RXINV__ is valid) or RESET (__RXINV__ is invalid)
  */
#define IS_UART_ADVFEATURE_RXINV(__RXINV__) (((__RXINV__) == UART_ADVFEATURE_RXINV_DISABLE) || \
                                             ((__RXINV__) == UART_ADVFEATURE_RXINV_ENABLE))

/**
  * @brief Ensure that UART frame data inversion setting is valid.
  * @param __DATAINV__: UART frame data inversion setting. 
  * @retval SET (__DATAINV__ is valid) or RESET (__DATAINV__ is invalid)
  */
#define IS_UART_ADVFEATURE_DATAINV(__DATAINV__) (((__DATAINV__) == UART_ADVFEATURE_DATAINV_DISABLE) || \
                                                 ((__DATAINV__) == UART_ADVFEATURE_DATAINV_ENABLE))

/**
  * @brief Ensure that UART frame RX/TX pins swap setting is valid.
  * @param __SWAP__: UART frame RX/TX pins swap setting. 
  * @retval SET (__SWAP__ is valid) or RESET (__SWAP__ is invalid)
  */
#define IS_UART_ADVFEATURE_SWAP(__SWAP__) (((__SWAP__) == UART_ADVFEATURE_SWAP_DISABLE) || \
                                           ((__SWAP__) == UART_ADVFEATURE_SWAP_ENABLE))

/**
  * @brief Ensure that UART frame overrun setting is valid.
  * @param __OVERRUN__: UART frame overrun setting. 
  * @retval SET (__OVERRUN__ is valid) or RESET (__OVERRUN__ is invalid)
  */
#define IS_UART_OVERRUN(__OVERRUN__)     (((__OVERRUN__) == UART_ADVFEATURE_OVERRUN_ENABLE) || \
                                          ((__OVERRUN__) == UART_ADVFEATURE_OVERRUN_DISABLE))

/**
  * @brief Ensure that UART auto Baud rate state is valid.
  * @param __AUTOBAUDRATE__: UART auto Baud rate state. 
  * @retval SET (__AUTOBAUDRATE__ is valid) or RESET (__AUTOBAUDRATE__ is invalid)
  */
#define IS_UART_ADVFEATURE_AUTOBAUDRATE(__AUTOBAUDRATE__)  (((__AUTOBAUDRATE__) == UART_ADVFEATURE_AUTOBAUDRATE_DISABLE) || \
                                                            ((__AUTOBAUDRATE__) == UART_ADVFEATURE_AUTOBAUDRATE_ENABLE))

/**
  * @brief Ensure that UART DMA enabling or disabling on error setting is valid.
  * @param __DMA__: UART DMA enabling or disabling on error setting. 
  * @retval SET (__DMA__ is valid) or RESET (__DMA__ is invalid)
  */
#define IS_UART_ADVFEATURE_DMAONRXERROR(__DMA__)  (((__DMA__) == UART_ADVFEATURE_DMA_ENABLEONRXERROR) || \
                                                   ((__DMA__) == UART_ADVFEATURE_DMA_DISABLEONRXERROR))

/**
  * @brief Ensure that UART frame MSB first setting is valid.
  * @param __MSBFIRST__: UART frame MSB first setting. 
  * @retval SET (__MSBFIRST__ is valid) or RESET (__MSBFIRST__ is invalid)
  */
#define IS_UART_ADVFEATURE_MSBFIRST(__MSBFIRST__) (((__MSBFIRST__) == UART_ADVFEATURE_MSBFIRST_DISABLE) || \
                                                   ((__MSBFIRST__) == UART_ADVFEATURE_MSBFIRST_ENABLE))

/**
  * @brief Ensure that UART stop mode state is valid.
  * @param __STOPMODE__: UART stop mode state. 
  * @retval SET (__STOPMODE__ is valid) or RESET (__STOPMODE__ is invalid)
  */
#define IS_UART_ADVFEATURE_STOPMODE(__STOPMODE__) (((__STOPMODE__) == UART_ADVFEATURE_STOPMODE_DISABLE) || \
                                                   ((__STOPMODE__) == UART_ADVFEATURE_STOPMODE_ENABLE))

/**
  * @brief Ensure that UART mute mode state is valid.
  * @param __MUTE__: UART mute mode state. 
  * @retval SET (__MUTE__ is valid) or RESET (__MUTE__ is invalid)
  */
#define IS_UART_MUTE_MODE(__MUTE__)       (((__MUTE__) == UART_ADVFEATURE_MUTEMODE_DISABLE) || \
                                           ((__MUTE__) == UART_ADVFEATURE_MUTEMODE_ENABLE))

/**
  * @brief Ensure that UART wake-up selection is valid.
  * @param __WAKE__: UART wake-up selection. 
  * @retval SET (__WAKE__ is valid) or RESET (__WAKE__ is invalid)
  */
#define IS_UART_WAKEUP_SELECTION(__WAKE__) (((__WAKE__) == UART_WAKEUP_ON_ADDRESS) || \
                                            ((__WAKE__) == UART_WAKEUP_ON_STARTBIT) || \
                                            ((__WAKE__) == UART_WAKEUP_ON_READDATA_NONEMPTY))

/**
  * @brief Ensure that UART driver enable polarity is valid.
  * @param __POLARITY__: UART driver enable polarity. 
  * @retval SET (__POLARITY__ is valid) or RESET (__POLARITY__ is invalid)
  */
#define IS_UART_DE_POLARITY(__POLARITY__)    (((__POLARITY__) == UART_DE_POLARITY_HIGH) || \
                                              ((__POLARITY__) == UART_DE_POLARITY_LOW))

/**
  * @}
  */

/* Include UART HAL Extended module */
#include "stm32l4xx_hal_uart_ex.h"

/* Exported functions --------------------------------------------------------*/
/** @addtogroup UART_Exported_Functions UART Exported Functions
  * @{
  */

/** @addtogroup UART_Exported_Functions_Group1 Initialization and de-initialization functions
  * @{
  */

/* Initialization and de-initialization functions  ****************************/
HAL_StatusTypeDef HAL_UART_Init(UART_HandleTypeDef *huart);
HAL_StatusTypeDef HAL_HalfDuplex_Init(UART_HandleTypeDef *huart);
HAL_StatusTypeDef HAL_LIN_Init(UART_HandleTypeDef *huart, uint32_t BreakDetectLength);
HAL_StatusTypeDef HAL_MultiProcessor_Init(UART_HandleTypeDef *huart, uint8_t Address, uint32_t WakeUpMethod);
HAL_StatusTypeDef HAL_UART_DeInit (UART_HandleTypeDef *huart);
void HAL_UART_MspInit(UART_HandleTypeDef *huart);
void HAL_UART_MspDeInit(UART_HandleTypeDef *huart);

/**
  * @}
  */

/** @addtogroup UART_Exported_Functions_Group2 IO operation functions
  * @{
  */

/* IO operation functions *****************************************************/
HAL_StatusTypeDef HAL_UART_Transmit(UART_HandleTypeDef *huart, uint8_t *pData, uint16_t Size, uint32_t Timeout);
HAL_StatusTypeDef HAL_UART_Receive(UART_HandleTypeDef *huart, uint8_t *pData, uint16_t Size, uint32_t Timeout);
HAL_StatusTypeDef HAL_UART_Transmit_IT(UART_HandleTypeDef *huart, uint8_t *pData, uint16_t Size);
HAL_StatusTypeDef HAL_UART_Receive_IT(UART_HandleTypeDef *huart, uint8_t *pData, uint16_t Size);
HAL_StatusTypeDef HAL_UART_Transmit_DMA(UART_HandleTypeDef *huart, uint8_t *pData, uint16_t Size);
HAL_StatusTypeDef HAL_UART_Receive_DMA(UART_HandleTypeDef *huart, uint8_t *pData, uint16_t Size);
HAL_StatusTypeDef HAL_UART_DMAPause(UART_HandleTypeDef *huart);
HAL_StatusTypeDef HAL_UART_DMAResume(UART_HandleTypeDef *huart);
HAL_StatusTypeDef HAL_UART_DMAStop(UART_HandleTypeDef *huart);
void HAL_UART_IRQHandler(UART_HandleTypeDef *huart);
void HAL_UART_TxHalfCpltCallback(UART_HandleTypeDef *huart);
void HAL_UART_TxCpltCallback(UART_HandleTypeDef *huart);
void HAL_UART_RxHalfCpltCallback(UART_HandleTypeDef *huart);
void HAL_UART_RxCpltCallback(UART_HandleTypeDef *huart);
void HAL_UART_ErrorCallback(UART_HandleTypeDef *huart);

/**
  * @}
  */

/** @addtogroup UART_Exported_Functions_Group3 Peripheral Control functions
  * @{
  */

/* Peripheral Control functions  ************************************************/
HAL_StatusTypeDef HAL_LIN_SendBreak(UART_HandleTypeDef *huart);
HAL_StatusTypeDef HAL_MultiProcessor_EnableMuteMode(UART_HandleTypeDef *huart);
HAL_StatusTypeDef HAL_MultiProcessor_DisableMuteMode(UART_HandleTypeDef *huart);
void HAL_MultiProcessor_EnterMuteMode(UART_HandleTypeDef *huart);
HAL_StatusTypeDef HAL_HalfDuplex_EnableTransmitter(UART_HandleTypeDef *huart);
HAL_StatusTypeDef HAL_HalfDuplex_EnableReceiver(UART_HandleTypeDef *huart);

/**
  * @}
  */

/** @addtogroup UART_Exported_Functions_Group4 Peripheral State and Error functions
  * @{
  */

/* Peripheral State and Errors functions  **************************************************/
HAL_UART_StateTypeDef HAL_UART_GetState(UART_HandleTypeDef *huart);
uint32_t              HAL_UART_GetError(UART_HandleTypeDef *huart);

/**
  * @}
  */

/**
  * @}
  */

/* Private functions -----------------------------------------------------------*/
/** @addtogroup UART_Private_Functions UART Private Functions
  * @{
  */

HAL_StatusTypeDef UART_SetConfig(UART_HandleTypeDef *huart);
HAL_StatusTypeDef UART_CheckIdleState(UART_HandleTypeDef *huart);
HAL_StatusTypeDef UART_WaitOnFlagUntilTimeout(UART_HandleTypeDef *huart, uint32_t Flag, FlagStatus Status, uint32_t Timeout);
void UART_AdvFeatureConfig(UART_HandleTypeDef *huart);

/**
  * @}
  */

/**
  * @}
  */

/**
  * @}
  */

#ifdef __cplusplus
}
#endif

#endif /* __STM32L4xx_HAL_UART_H */

/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/