DTU_IAP_L4/Drivers/STM32L4xx_HAL_Driver/Inc/stm32l4xx_hal_uart.h

/**
  ******************************************************************************
  * @file    stm32l4xx_hal_uart.h
  * @author  MCD Application Team
  * @brief   Header file of UART HAL module.
  ******************************************************************************
  * @attention
  *
  * Copyright (c) 2017 STMicroelectronics.
  * All rights reserved.
  *
  * This software is licensed under terms that can be found in the LICENSE file
  * in the root directory of this software component.
  * If no LICENSE file comes with this software, it is provided AS-IS.
  *
  ******************************************************************************
  */

/* 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:
                                         LPUART:
                                         =======
                                         Baud Rate Register = ((256 * lpuart_ker_ckpres) / ((huart->Init.BaudRate)))
                                         where lpuart_ker_ck_pres is the UART input clock
                                         (divided by a prescaler if applicable)
                                         UART:
                                         =====
                                         - If oversampling is 16 or in LIN mode,
                                            Baud Rate Register = ((uart_ker_ckpres) / ((huart->Init.BaudRate)))
                                         - If oversampling is 8,
                                            Baud Rate Register[15:4] = ((2 * uart_ker_ckpres) /
                                                                        ((huart->Init.BaudRate)))[15:4]
                                            Baud Rate Register[3] =  0
                                            Baud Rate Register[2:0] =  (((2 * uart_ker_ckpres) /
                                                                        ((huart->Init.BaudRate)))[3:0]) >> 1
                                         where uart_ker_ck_pres is the UART input clock
                                         (divided by a prescaler if applicable) */

  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. */

#if defined(USART_PRESC_PRESCALER)
  uint32_t ClockPrescaler;          /*!< Specifies the prescaler value used to divide the UART clock source.
                                         This parameter can be a value of @ref UART_ClockPrescaler. */
#endif /* USART_PRESC_PRESCALER */

} UART_InitTypeDef;

/**
  * @brief  UART Advanced Features initialization 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 definition
  * @note  HAL UART State value is a combination of 2 different substates:
  *        gState and RxState (see @ref UART_State_Definition).
  *        - gState contains UART state information related to global Handle management
  *          and also information related to Tx operations.
  *          gState value coding follow below described bitmap :
  *          b7-b6  Error information
  *             00 : No Error
  *             01 : (Not Used)
  *             10 : Timeout
  *             11 : Error
  *          b5     Peripheral initialization status
  *             0  : Reset (Peripheral not initialized)
  *             1  : Init done (Peripheral initialized. HAL UART Init function already called)
  *          b4-b3  (not used)
  *             xx : Should be set to 00
  *          b2     Intrinsic process state
  *             0  : Ready
  *             1  : Busy (Peripheral busy with some configuration or internal operations)
  *          b1     (not used)
  *             x  : Should be set to 0
  *          b0     Tx state
  *             0  : Ready (no Tx operation ongoing)
  *             1  : Busy (Tx operation ongoing)
  *        - RxState contains information related to Rx operations.
  *          RxState value coding follow below described bitmap :
  *          b7-b6  (not used)
  *             xx : Should be set to 00
  *          b5     Peripheral initialization status
  *             0  : Reset (Peripheral not initialized)
  *             1  : Init done (Peripheral initialized)
  *          b4-b2  (not used)
  *            xxx : Should be set to 000
  *          b1     Rx state
  *             0  : Ready (no Rx operation ongoing)
  *             1  : Busy (Rx operation ongoing)
  *          b0     (not used)
  *             x  : Should be set to 0.
  */
typedef uint32_t HAL_UART_StateTypeDef;

/**
  * @brief UART clock sources definition
  */
typedef enum
{
  UART_CLOCKSOURCE_PCLK1      = 0x00U,    /*!< PCLK1 clock source  */
  UART_CLOCKSOURCE_PCLK2      = 0x01U,    /*!< PCLK2 clock source  */
  UART_CLOCKSOURCE_HSI        = 0x02U,    /*!< HSI clock source    */
  UART_CLOCKSOURCE_SYSCLK     = 0x04U,    /*!< SYSCLK clock source */
  UART_CLOCKSOURCE_LSE        = 0x08U,    /*!< LSE clock source       */
  UART_CLOCKSOURCE_UNDEFINED  = 0x10U     /*!< Undefined clock source */
} UART_ClockSourceTypeDef;

/**
  * @brief HAL UART Reception type definition
  * @note  HAL UART Reception type value aims to identify which type of Reception is ongoing.
  *        This parameter can be a value of @ref UART_Reception_Type_Values :
  *           HAL_UART_RECEPTION_STANDARD         = 0x00U,
  *           HAL_UART_RECEPTION_TOIDLE           = 0x01U,
  *           HAL_UART_RECEPTION_TORTO            = 0x02U,
  *           HAL_UART_RECEPTION_TOCHARMATCH      = 0x03U,
  */
typedef uint32_t HAL_UART_RxTypeTypeDef;

/**
  * @brief HAL UART Rx Event type definition
  * @note  HAL UART Rx Event type value aims to identify which type of Event has occurred
  *        leading to call of the RxEvent callback.
  *        This parameter can be a value of @ref UART_RxEvent_Type_Values :
  *           HAL_UART_RXEVENT_TC                 = 0x00U,
  *           HAL_UART_RXEVENT_HT                 = 0x01U,
  *           HAL_UART_RXEVENT_IDLE               = 0x02U,
  */
typedef uint32_t HAL_UART_RxEventTypeTypeDef;

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

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

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

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

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

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

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

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

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

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

#if defined(USART_CR1_FIFOEN)
  uint32_t                 FifoMode;                 /*!< Specifies if the FIFO mode is being used.
                                                          This parameter can be a value of @ref UARTEx_FIFO_mode. */

  uint16_t                 NbRxDataToProcess;        /*!< Number of data to process during RX ISR execution */

  uint16_t                 NbTxDataToProcess;        /*!< Number of data to process during TX ISR execution */

#endif /*USART_CR1_FIFOEN */
  __IO HAL_UART_RxTypeTypeDef ReceptionType;         /*!< Type of ongoing reception          */

  __IO HAL_UART_RxEventTypeTypeDef RxEventType;      /*!< Type of Rx Event                   */

  void (*RxISR)(struct __UART_HandleTypeDef *huart); /*!< Function pointer on Rx IRQ handler */

  void (*TxISR)(struct __UART_HandleTypeDef *huart); /*!< Function pointer on Tx IRQ handler */

  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    gState;              /*!< UART state information related to global Handle management
                                                          and also related to Tx operations. This parameter
                                                          can be a value of @ref HAL_UART_StateTypeDef */

  __IO HAL_UART_StateTypeDef    RxState;             /*!< UART state information related to Rx operations. This
                                                          parameter can be a value of @ref HAL_UART_StateTypeDef */

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

#if (USE_HAL_UART_REGISTER_CALLBACKS == 1)
  void (* TxHalfCpltCallback)(struct __UART_HandleTypeDef *huart);        /*!< UART Tx Half Complete Callback        */
  void (* TxCpltCallback)(struct __UART_HandleTypeDef *huart);            /*!< UART Tx Complete Callback             */
  void (* RxHalfCpltCallback)(struct __UART_HandleTypeDef *huart);        /*!< UART Rx Half Complete Callback        */
  void (* RxCpltCallback)(struct __UART_HandleTypeDef *huart);            /*!< UART Rx Complete Callback             */
  void (* ErrorCallback)(struct __UART_HandleTypeDef *huart);             /*!< UART Error Callback                   */
  void (* AbortCpltCallback)(struct __UART_HandleTypeDef *huart);         /*!< UART Abort Complete Callback          */
  void (* AbortTransmitCpltCallback)(struct __UART_HandleTypeDef *huart); /*!< UART Abort Transmit Complete Callback */
  void (* AbortReceiveCpltCallback)(struct __UART_HandleTypeDef *huart);  /*!< UART Abort Receive Complete Callback  */
  void (* WakeupCallback)(struct __UART_HandleTypeDef *huart);            /*!< UART Wakeup Callback                  */
#if defined(USART_CR1_FIFOEN)
  void (* RxFifoFullCallback)(struct __UART_HandleTypeDef *huart);        /*!< UART Rx Fifo Full Callback            */
  void (* TxFifoEmptyCallback)(struct __UART_HandleTypeDef *huart);       /*!< UART Tx Fifo Empty Callback           */
#endif /* USART_CR1_FIFOEN */
  void (* RxEventCallback)(struct __UART_HandleTypeDef *huart, uint16_t Pos); /*!< UART Reception Event Callback     */

  void (* MspInitCallback)(struct __UART_HandleTypeDef *huart);           /*!< UART Msp Init callback                */
  void (* MspDeInitCallback)(struct __UART_HandleTypeDef *huart);         /*!< UART Msp DeInit callback              */
#endif  /* USE_HAL_UART_REGISTER_CALLBACKS */

} UART_HandleTypeDef;

#if (USE_HAL_UART_REGISTER_CALLBACKS == 1)
/**
  * @brief  HAL UART Callback ID enumeration definition
  */
typedef enum
{
  HAL_UART_TX_HALFCOMPLETE_CB_ID         = 0x00U,    /*!< UART Tx Half Complete Callback ID        */
  HAL_UART_TX_COMPLETE_CB_ID             = 0x01U,    /*!< UART Tx Complete Callback ID             */
  HAL_UART_RX_HALFCOMPLETE_CB_ID         = 0x02U,    /*!< UART Rx Half Complete Callback ID        */
  HAL_UART_RX_COMPLETE_CB_ID             = 0x03U,    /*!< UART Rx Complete Callback ID             */
  HAL_UART_ERROR_CB_ID                   = 0x04U,    /*!< UART Error Callback ID                   */
  HAL_UART_ABORT_COMPLETE_CB_ID          = 0x05U,    /*!< UART Abort Complete Callback ID          */
  HAL_UART_ABORT_TRANSMIT_COMPLETE_CB_ID = 0x06U,    /*!< UART Abort Transmit Complete Callback ID */
  HAL_UART_ABORT_RECEIVE_COMPLETE_CB_ID  = 0x07U,    /*!< UART Abort Receive Complete Callback ID  */
  HAL_UART_WAKEUP_CB_ID                  = 0x08U,    /*!< UART Wakeup Callback ID                  */
#if defined(USART_CR1_FIFOEN)
  HAL_UART_RX_FIFO_FULL_CB_ID            = 0x09U,    /*!< UART Rx Fifo Full Callback ID            */
  HAL_UART_TX_FIFO_EMPTY_CB_ID           = 0x0AU,    /*!< UART Tx Fifo Empty Callback ID           */
#endif /* USART_CR1_FIFOEN */

  HAL_UART_MSPINIT_CB_ID                 = 0x0BU,    /*!< UART MspInit callback ID                 */
  HAL_UART_MSPDEINIT_CB_ID               = 0x0CU     /*!< UART MspDeInit callback ID               */

} HAL_UART_CallbackIDTypeDef;

/**
  * @brief  HAL UART Callback pointer definition
  */
typedef  void (*pUART_CallbackTypeDef)(UART_HandleTypeDef *huart); /*!< pointer to an UART callback function */
typedef  void (*pUART_RxEventCallbackTypeDef)
(struct __UART_HandleTypeDef *huart, uint16_t Pos); /*!< pointer to a UART Rx Event specific callback function */

#endif /* USE_HAL_UART_REGISTER_CALLBACKS */

/**
  * @}
  */

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

/** @defgroup UART_State_Definition UART State Code Definition
  * @{
  */
#define  HAL_UART_STATE_RESET         0x00000000U    /*!< Peripheral is not initialized
                                                          Value is allowed for gState and RxState */
#define  HAL_UART_STATE_READY         0x00000020U    /*!< Peripheral Initialized and ready for use
                                                          Value is allowed for gState and RxState */
#define  HAL_UART_STATE_BUSY          0x00000024U    /*!< an internal process is ongoing
                                                          Value is allowed for gState only */
#define  HAL_UART_STATE_BUSY_TX       0x00000021U    /*!< Data Transmission process is ongoing
                                                          Value is allowed for gState only */
#define  HAL_UART_STATE_BUSY_RX       0x00000022U    /*!< Data Reception process is ongoing
                                                          Value is allowed for RxState only */
#define  HAL_UART_STATE_BUSY_TX_RX    0x00000023U    /*!< Data Transmission and Reception process is ongoing
                                                          Not to be used for neither gState nor RxState.Value is result
                                                          of combination (Or) between gState and RxState values */
#define  HAL_UART_STATE_TIMEOUT       0x000000A0U    /*!< Timeout state
                                                          Value is allowed for gState only */
#define  HAL_UART_STATE_ERROR         0x000000E0U    /*!< Error
                                                          Value is allowed for gState only */
/**
  * @}
  */

/** @defgroup UART_Error_Definition   UART Error Definition
  * @{
  */
#define  HAL_UART_ERROR_NONE             (0x00000000U)    /*!< No error                */
#define  HAL_UART_ERROR_PE               (0x00000001U)    /*!< Parity error            */
#define  HAL_UART_ERROR_NE               (0x00000002U)    /*!< Noise error             */
#define  HAL_UART_ERROR_FE               (0x00000004U)    /*!< Frame error             */
#define  HAL_UART_ERROR_ORE              (0x00000008U)    /*!< Overrun error           */
#define  HAL_UART_ERROR_DMA              (0x00000010U)    /*!< DMA transfer error      */
#define  HAL_UART_ERROR_RTO              (0x00000020U)    /*!< Receiver Timeout error  */

#if (USE_HAL_UART_REGISTER_CALLBACKS == 1)
#define  HAL_UART_ERROR_INVALID_CALLBACK (0x00000040U)    /*!< Invalid Callback error  */
#endif /* USE_HAL_UART_REGISTER_CALLBACKS */
/**
  * @}
  */

/** @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                     0x00000000U                           /*!< 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                    0x00000000U                        /*!< No parity   */
#define UART_PARITY_EVEN                    USART_CR1_PCE                      /*!< Even parity */
#define UART_PARITY_ODD                     (USART_CR1_PCE | USART_CR1_PS)     /*!< Odd parity  */
/**
  * @}
  */

/** @defgroup UART_Hardware_Flow_Control UART Hardware Flow Control
  * @{
  */
#define UART_HWCONTROL_NONE                  0x00000000U                          /*!< No hardware control       */
#define UART_HWCONTROL_RTS                   USART_CR3_RTSE                       /*!< Request To Send           */
#define UART_HWCONTROL_CTS                   USART_CR3_CTSE                       /*!< Clear To Send             */
#define UART_HWCONTROL_RTS_CTS               (USART_CR3_RTSE | USART_CR3_CTSE)    /*!< Request and Clear To Send */
/**
  * @}
  */

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

/** @defgroup UART_State  UART State
  * @{
  */
#define UART_STATE_DISABLE                  0x00000000U         /*!< UART disabled  */
#define UART_STATE_ENABLE                   USART_CR1_UE        /*!< UART enabled   */
/**
  * @}
  */

/** @defgroup UART_Over_Sampling UART Over Sampling
  * @{
  */
#define UART_OVERSAMPLING_16                0x00000000U         /*!< Oversampling by 16 */
#define UART_OVERSAMPLING_8                 USART_CR1_OVER8     /*!< Oversampling by 8  */
/**
  * @}
  */

/** @defgroup UART_OneBit_Sampling UART One Bit Sampling Method
  * @{
  */
#define UART_ONE_BIT_SAMPLE_DISABLE         0x00000000U         /*!< One-bit sampling disable */
#define UART_ONE_BIT_SAMPLE_ENABLE          USART_CR3_ONEBIT    /*!< One-bit sampling enable  */
/**
  * @}
  */

#if defined(USART_PRESC_PRESCALER)
/** @defgroup UART_ClockPrescaler  UART Clock Prescaler
  * @{
  */
#define UART_PRESCALER_DIV1    0x00000000U  /*!< fclk_pres = fclk     */
#define UART_PRESCALER_DIV2    0x00000001U  /*!< fclk_pres = fclk/2   */
#define UART_PRESCALER_DIV4    0x00000002U  /*!< fclk_pres = fclk/4   */
#define UART_PRESCALER_DIV6    0x00000003U  /*!< fclk_pres = fclk/6   */
#define UART_PRESCALER_DIV8    0x00000004U  /*!< fclk_pres = fclk/8   */
#define UART_PRESCALER_DIV10   0x00000005U  /*!< fclk_pres = fclk/10  */
#define UART_PRESCALER_DIV12   0x00000006U  /*!< fclk_pres = fclk/12  */
#define UART_PRESCALER_DIV16   0x00000007U  /*!< fclk_pres = fclk/16  */
#define UART_PRESCALER_DIV32   0x00000008U  /*!< fclk_pres = fclk/32  */
#define UART_PRESCALER_DIV64   0x00000009U  /*!< fclk_pres = fclk/64  */
#define UART_PRESCALER_DIV128  0x0000000AU  /*!< fclk_pres = fclk/128 */
#define UART_PRESCALER_DIV256  0x0000000BU  /*!< fclk_pres = fclk/256 */
/**
  * @}
  */

#endif /* USART_PRESC_PRESCALER */
/** @defgroup UART_AutoBaud_Rate_Mode    UART Advanced Feature AutoBaud Rate Mode
  * @{
  */
#define UART_ADVFEATURE_AUTOBAUDRATE_ONSTARTBIT    0x00000000U           /*!< Auto Baud rate detection
                                                                              on start bit              */
#define UART_ADVFEATURE_AUTOBAUDRATE_ONFALLINGEDGE USART_CR2_ABRMODE_0   /*!< Auto Baud rate detection
                                                                              on falling edge           */
#define UART_ADVFEATURE_AUTOBAUDRATE_ON0X7FFRAME   USART_CR2_ABRMODE_1   /*!< Auto Baud rate detection
                                                                              on 0x7F frame detection   */
#define UART_ADVFEATURE_AUTOBAUDRATE_ON0X55FRAME   USART_CR2_ABRMODE     /*!< Auto Baud rate detection
                                                                              on 0x55 frame detection   */
/**
  * @}
  */

/** @defgroup UART_Receiver_Timeout UART Receiver Timeout
  * @{
  */
#define UART_RECEIVER_TIMEOUT_DISABLE       0x00000000U                /*!< UART Receiver Timeout disable */
#define UART_RECEIVER_TIMEOUT_ENABLE        USART_CR2_RTOEN            /*!< UART Receiver Timeout enable  */
/**
  * @}
  */

/** @defgroup UART_LIN    UART Local Interconnection Network mode
  * @{
  */
#define UART_LIN_DISABLE                    0x00000000U                /*!< Local Interconnect Network disable */
#define UART_LIN_ENABLE                     USART_CR2_LINEN            /*!< Local Interconnect Network enable  */
/**
  * @}
  */

/** @defgroup UART_LIN_Break_Detection  UART LIN Break Detection
  * @{
  */
#define UART_LINBREAKDETECTLENGTH_10B       0x00000000U                /*!< LIN 10-bit break detection length */
#define UART_LINBREAKDETECTLENGTH_11B       USART_CR2_LBDL             /*!< LIN 11-bit break detection length  */
/**
  * @}
  */

/** @defgroup UART_DMA_Tx    UART DMA Tx
  * @{
  */
#define UART_DMA_TX_DISABLE                 0x00000000U                /*!< UART DMA TX disabled */
#define UART_DMA_TX_ENABLE                  USART_CR3_DMAT             /*!< UART DMA TX enabled  */
/**
  * @}
  */

/** @defgroup UART_DMA_Rx   UART DMA Rx
  * @{
  */
#define UART_DMA_RX_DISABLE                 0x00000000U                 /*!< UART DMA RX disabled */
#define UART_DMA_RX_ENABLE                  USART_CR3_DMAR              /*!< UART DMA RX enabled  */
/**
  * @}
  */

/** @defgroup UART_Half_Duplex_Selection  UART Half Duplex Selection
  * @{
  */
#define UART_HALF_DUPLEX_DISABLE            0x00000000U                 /*!< UART half-duplex disabled */
#define UART_HALF_DUPLEX_ENABLE             USART_CR3_HDSEL             /*!< UART half-duplex enabled  */
/**
  * @}
  */

/** @defgroup UART_WakeUp_Methods   UART WakeUp Methods
  * @{
  */
#define UART_WAKEUPMETHOD_IDLELINE          0x00000000U                 /*!< UART wake-up on idle line    */
#define UART_WAKEUPMETHOD_ADDRESSMARK       USART_CR1_WAKE              /*!< UART wake-up on address mark */
/**
  * @}
  */

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

/** @defgroup UART_Advanced_Features_Initialization_Type  UART Advanced Feature Initialization Type
  * @{
  */
#define UART_ADVFEATURE_NO_INIT                 0x00000000U          /*!< No advanced feature initialization       */
#define UART_ADVFEATURE_TXINVERT_INIT           0x00000001U          /*!< TX pin active level inversion            */
#define UART_ADVFEATURE_RXINVERT_INIT           0x00000002U          /*!< RX pin active level inversion            */
#define UART_ADVFEATURE_DATAINVERT_INIT         0x00000004U          /*!< Binary data inversion                    */
#define UART_ADVFEATURE_SWAP_INIT               0x00000008U          /*!< TX/RX pins swap                          */
#define UART_ADVFEATURE_RXOVERRUNDISABLE_INIT   0x00000010U          /*!< RX overrun disable                       */
#define UART_ADVFEATURE_DMADISABLEONERROR_INIT  0x00000020U          /*!< DMA disable on Reception Error           */
#define UART_ADVFEATURE_AUTOBAUDRATE_INIT       0x00000040U          /*!< Auto Baud rate detection initialization  */
#define UART_ADVFEATURE_MSBFIRST_INIT           0x00000080U          /*!< Most significant bit sent/received first */
/**
  * @}
  */

/** @defgroup UART_Tx_Inv UART Advanced Feature TX Pin Active Level Inversion
  * @{
  */
#define UART_ADVFEATURE_TXINV_DISABLE       0x00000000U             /*!< TX pin active level inversion disable */
#define UART_ADVFEATURE_TXINV_ENABLE        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       0x00000000U             /*!< RX pin active level inversion disable */
#define UART_ADVFEATURE_RXINV_ENABLE        USART_CR2_RXINV         /*!< RX pin active level inversion enable  */
/**
  * @}
  */

/** @defgroup UART_Data_Inv  UART Advanced Feature Binary Data Inversion
  * @{
  */
#define UART_ADVFEATURE_DATAINV_DISABLE     0x00000000U             /*!< Binary data inversion disable */
#define UART_ADVFEATURE_DATAINV_ENABLE      USART_CR2_DATAINV       /*!< Binary data inversion enable  */
/**
  * @}
  */

/** @defgroup UART_Rx_Tx_Swap UART Advanced Feature RX TX Pins Swap
  * @{
  */
#define UART_ADVFEATURE_SWAP_DISABLE        0x00000000U             /*!< TX/RX pins swap disable */
#define UART_ADVFEATURE_SWAP_ENABLE         USART_CR2_SWAP          /*!< TX/RX pins swap enable  */
/**
  * @}
  */

/** @defgroup UART_Overrun_Disable  UART Advanced Feature Overrun Disable
  * @{
  */
#define UART_ADVFEATURE_OVERRUN_ENABLE      0x00000000U             /*!< RX overrun enable  */
#define UART_ADVFEATURE_OVERRUN_DISABLE     USART_CR3_OVRDIS        /*!< RX overrun disable */
/**
  * @}
  */

/** @defgroup UART_AutoBaudRate_Enable  UART Advanced Feature Auto BaudRate Enable
  * @{
  */
#define UART_ADVFEATURE_AUTOBAUDRATE_DISABLE   0x00000000U          /*!< RX Auto Baud rate detection enable  */
#define UART_ADVFEATURE_AUTOBAUDRATE_ENABLE    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    0x00000000U          /*!< DMA enable on Reception Error  */
#define UART_ADVFEATURE_DMA_DISABLEONRXERROR   USART_CR3_DDRE       /*!< DMA disable on Reception Error */
/**
  * @}
  */

/** @defgroup UART_MSB_First   UART Advanced Feature MSB First
  * @{
  */
#define UART_ADVFEATURE_MSBFIRST_DISABLE    0x00000000U             /*!< Most significant bit sent/received
                                                                         first disable                      */
#define UART_ADVFEATURE_MSBFIRST_ENABLE     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    0x00000000U             /*!< UART stop mode disable */
#define UART_ADVFEATURE_STOPMODE_ENABLE     USART_CR1_UESM          /*!< UART stop mode enable  */
/**
  * @}
  */

/** @defgroup UART_Mute_Mode   UART Advanced Feature Mute Mode Enable
  * @{
  */
#define UART_ADVFEATURE_MUTEMODE_DISABLE    0x00000000U             /*!< UART mute mode disable */
#define UART_ADVFEATURE_MUTEMODE_ENABLE     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             24U             /*!< UART address-matching LSB position in CR2 register */
/**
  * @}
  */

/** @defgroup UART_WakeUp_from_Stop_Selection   UART WakeUp From Stop Selection
  * @{
  */
#define UART_WAKEUP_ON_ADDRESS              0x00000000U             /*!< UART wake-up on address                     */
#define UART_WAKEUP_ON_STARTBIT             USART_CR3_WUS_1         /*!< UART wake-up on start bit                   */
#define UART_WAKEUP_ON_READDATA_NONEMPTY    USART_CR3_WUS           /*!< UART wake-up on receive data register
                                                                         not empty or RXFIFO is not empty            */
/**
  * @}
  */

/** @defgroup UART_DriverEnable_Polarity      UART DriverEnable Polarity
  * @{
  */
#define UART_DE_POLARITY_HIGH               0x00000000U             /*!< Driver enable signal is active high */
#define UART_DE_POLARITY_LOW                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       21U      /*!< 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       16U      /*!< UART Driver Enable de-assertion time LSB
                                                          position in CR1 register */
/**
  * @}
  */

/** @defgroup UART_Interruption_Mask    UART Interruptions Flag Mask
  * @{
  */
#define UART_IT_MASK                        0x001FU  /*!< UART interruptions flags mask */
/**
  * @}
  */

/** @defgroup UART_TimeOut_Value    UART polling-based communications time-out value
  * @{
  */
#define HAL_UART_TIMEOUT_VALUE              0x1FFFFFFU  /*!< UART polling-based communications time-out value */
/**
  * @}
  */

/** @defgroup UART_Flags     UART Status Flags
  *        Elements values convention: 0xXXXX
  *           - 0xXXXX  : Flag mask in the ISR register
  * @{
  */
#if defined(USART_CR1_FIFOEN)
#define UART_FLAG_TXFT                      USART_ISR_TXFT          /*!< UART TXFIFO threshold flag                */
#define UART_FLAG_RXFT                      USART_ISR_RXFT          /*!< UART RXFIFO threshold flag                */
#define UART_FLAG_RXFF                      USART_ISR_RXFF          /*!< UART RXFIFO Full flag                     */
#define UART_FLAG_TXFE                      USART_ISR_TXFE          /*!< UART TXFIFO Empty flag                    */
#endif /* USART_CR1_FIFOEN */
#define UART_FLAG_REACK                     USART_ISR_REACK         /*!< UART receive enable acknowledge flag      */
#define UART_FLAG_TEACK                     USART_ISR_TEACK         /*!< UART transmit enable acknowledge flag     */
#define UART_FLAG_WUF                       USART_ISR_WUF           /*!< UART wake-up from stop mode flag          */
#define UART_FLAG_RWU                       USART_ISR_RWU           /*!< UART receiver wake-up from mute mode flag */
#define UART_FLAG_SBKF                      USART_ISR_SBKF          /*!< UART send break flag                      */
#define UART_FLAG_CMF                       USART_ISR_CMF           /*!< UART character match flag                 */
#define UART_FLAG_BUSY                      USART_ISR_BUSY          /*!< UART busy flag                            */
#define UART_FLAG_ABRF                      USART_ISR_ABRF          /*!< UART auto Baud rate flag                  */
#define UART_FLAG_ABRE                      USART_ISR_ABRE          /*!< UART auto Baud rate error                 */
#define UART_FLAG_RTOF                      USART_ISR_RTOF          /*!< UART receiver timeout flag                */
#define UART_FLAG_CTS                       USART_ISR_CTS           /*!< UART clear to send flag                   */
#define UART_FLAG_CTSIF                     USART_ISR_CTSIF         /*!< UART clear to send interrupt flag         */
#define UART_FLAG_LBDF                      USART_ISR_LBDF          /*!< UART LIN break detection flag             */
#if defined(USART_CR1_FIFOEN)
#define UART_FLAG_TXE                       USART_ISR_TXE_TXFNF     /*!< UART transmit data register empty         */
#define UART_FLAG_TXFNF                     USART_ISR_TXE_TXFNF     /*!< UART TXFIFO not full                      */
#else
#define UART_FLAG_TXE                       USART_ISR_TXE           /*!< UART transmit data register empty         */
#endif /* USART_CR1_FIFOEN */
#define UART_FLAG_TC                        USART_ISR_TC            /*!< UART transmission complete                */
#if defined(USART_CR1_FIFOEN)
#define UART_FLAG_RXNE                      USART_ISR_RXNE_RXFNE    /*!< UART read data register not empty         */
#define UART_FLAG_RXFNE                     USART_ISR_RXNE_RXFNE    /*!< UART RXFIFO not empty                     */
#else
#define UART_FLAG_RXNE                      USART_ISR_RXNE          /*!< UART read data register not empty         */
#endif /* USART_CR1_FIFOEN */
#define UART_FLAG_IDLE                      USART_ISR_IDLE          /*!< UART idle flag                            */
#define UART_FLAG_ORE                       USART_ISR_ORE           /*!< UART overrun error                        */
#define UART_FLAG_NE                        USART_ISR_NE            /*!< UART noise error                          */
#define UART_FLAG_FE                        USART_ISR_FE            /*!< UART frame error                          */
#define UART_FLAG_PE                        USART_ISR_PE            /*!< 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)
  *        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
  *        Elements values convention: 0000ZZZZ00000000b
  *           - ZZZZ  : Flag position in the ISR register(4bits)
  * @{
  */
#define UART_IT_PE                          0x0028U              /*!< UART parity error interruption                 */
#define UART_IT_TXE                         0x0727U              /*!< UART transmit data register empty interruption */
#if defined(USART_CR1_FIFOEN)
#define UART_IT_TXFNF                       0x0727U              /*!< UART TX FIFO not full interruption             */
#endif /* USART_CR1_FIFOEN */
#define UART_IT_TC                          0x0626U              /*!< UART transmission complete interruption        */
#define UART_IT_RXNE                        0x0525U              /*!< UART read data register not empty interruption */
#if defined(USART_CR1_FIFOEN)
#define UART_IT_RXFNE                       0x0525U              /*!< UART RXFIFO not empty interruption             */
#endif /* USART_CR1_FIFOEN */
#define UART_IT_IDLE                        0x0424U              /*!< UART idle interruption                         */
#define UART_IT_LBD                         0x0846U              /*!< UART LIN break detection interruption          */
#define UART_IT_CTS                         0x096AU              /*!< UART CTS interruption                          */
#define UART_IT_CM                          0x112EU              /*!< UART character match interruption              */
#define UART_IT_WUF                         0x1476U              /*!< UART wake-up from stop mode interruption       */
#if defined(USART_CR1_FIFOEN)
#define UART_IT_RXFF                        0x183FU              /*!< UART RXFIFO full interruption                  */
#define UART_IT_TXFE                        0x173EU              /*!< UART TXFIFO empty interruption                 */
#define UART_IT_RXFT                        0x1A7CU              /*!< UART RXFIFO threshold reached interruption     */
#define UART_IT_TXFT                        0x1B77U              /*!< UART TXFIFO threshold reached interruption     */
#endif /* USART_CR1_FIFOEN */
#define UART_IT_RTO                         0x0B3AU              /*!< UART receiver timeout interruption             */

#define UART_IT_ERR                         0x0060U              /*!< UART error interruption                        */

#define UART_IT_ORE                         0x0300U              /*!< UART overrun error interruption                */
#define UART_IT_NE                          0x0200U              /*!< UART noise error interruption                  */
#define UART_IT_FE                          0x0100U              /*!< 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_NECF            /*!< Noise Error 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     */
#if defined(USART_CR1_FIFOEN)
#define UART_CLEAR_TXFECF                    USART_ICR_TXFECF          /*!< TXFIFO empty clear flag           */
#endif /* USART_CR1_FIFOEN */
#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_CMF                       USART_ICR_CMCF            /*!< Character Match Clear Flag        */
#define UART_CLEAR_WUF                       USART_ICR_WUCF            /*!< Wake Up from stop mode Clear Flag */
#define UART_CLEAR_RTOF                      USART_ICR_RTOCF           /*!< UART receiver timeout clear flag  */
/**
  * @}
  */

/** @defgroup UART_Reception_Type_Values  UART Reception type values
  * @{
  */
#define HAL_UART_RECEPTION_STANDARD          (0x00000000U)             /*!< Standard reception                       */
#define HAL_UART_RECEPTION_TOIDLE            (0x00000001U)             /*!< Reception till completion or IDLE event  */
#define HAL_UART_RECEPTION_TORTO             (0x00000002U)             /*!< Reception till completion or RTO event   */
#define HAL_UART_RECEPTION_TOCHARMATCH       (0x00000003U)             /*!< Reception till completion or CM event    */
/**
  * @}
  */

/** @defgroup UART_RxEvent_Type_Values  UART RxEvent type values
  * @{
  */
#define HAL_UART_RXEVENT_TC                  (0x00000000U)             /*!< RxEvent linked to Transfer Complete event */
#define HAL_UART_RXEVENT_HT                  (0x00000001U)             /*!< RxEvent linked to Half Transfer event     */
#define HAL_UART_RXEVENT_IDLE                (0x00000002U)             /*!< RxEvent linked to IDLE event              */
/**
  * @}
  */

/**
  * @}
  */

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

/** @brief  Reset UART handle states.
  * @param  __HANDLE__ UART handle.
  * @retval None
  */
#if (USE_HAL_UART_REGISTER_CALLBACKS == 1)
#define __HAL_UART_RESET_HANDLE_STATE(__HANDLE__)  do{                                                   \
                                                       (__HANDLE__)->gState = HAL_UART_STATE_RESET;      \
                                                       (__HANDLE__)->RxState = HAL_UART_STATE_RESET;     \
                                                       (__HANDLE__)->MspInitCallback = NULL;             \
                                                       (__HANDLE__)->MspDeInitCallback = NULL;           \
                                                     } while(0U)
#else
#define __HAL_UART_RESET_HANDLE_STATE(__HANDLE__)  do{                                                   \
                                                       (__HANDLE__)->gState = HAL_UART_STATE_RESET;      \
                                                       (__HANDLE__)->RxState = HAL_UART_STATE_RESET;     \
                                                     } while(0U)
#endif /*USE_HAL_UART_REGISTER_CALLBACKS */

/** @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(0U)

/** @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_TXFECF   TXFIFO empty clear Flag
  *            @arg @ref UART_CLEAR_TCF      Transmission Complete Clear Flag
  *            @arg @ref UART_CLEAR_RTOF     Receiver Timeout 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_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)

#if defined(USART_CR1_FIFOEN)
/** @brief  Clear the UART TX FIFO empty clear flag.
  * @param  __HANDLE__ specifies the UART Handle.
  * @retval None
  */
#define __HAL_UART_CLEAR_TXFECF(__HANDLE__)   __HAL_UART_CLEAR_FLAG((__HANDLE__), UART_CLEAR_TXFECF)
#endif /* USART_CR1_FIFOEN */

/** @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_TXFT  TXFIFO threshold flag
  *            @arg @ref UART_FLAG_RXFT  RXFIFO threshold flag
  *            @arg @ref UART_FLAG_RXFF  RXFIFO Full flag
  *            @arg @ref UART_FLAG_TXFE  TXFIFO Empty flag
  *            @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_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_TXFNF UART TXFIFO not full flag
  *            @arg @ref UART_FLAG_TC    Transmission Complete flag
  *            @arg @ref UART_FLAG_RXNE  Receive data register not empty flag
  *            @arg @ref UART_FLAG_RXFNE UART RXFIFO not empty flag
  *            @arg @ref UART_FLAG_RTOF  Receiver Timeout 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_RXFF  RXFIFO Full interrupt
  *            @arg @ref UART_IT_TXFE  TXFIFO Empty interrupt
  *            @arg @ref UART_IT_RXFT  RXFIFO threshold interrupt
  *            @arg @ref UART_IT_TXFT  TXFIFO threshold interrupt
  *            @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_TXFNF TX FIFO not full interrupt
  *            @arg @ref UART_IT_TC    Transmission complete interrupt
  *            @arg @ref UART_IT_RXNE  Receive Data register not empty interrupt
  *            @arg @ref UART_IT_RXFNE RXFIFO not empty interrupt
  *            @arg @ref UART_IT_RTO   Receive Timeout 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) == 1U)?\
                                                           ((__HANDLE__)->Instance->CR1 |= (1U <<\
                                                               ((__INTERRUPT__) & UART_IT_MASK))): \
                                                           ((((uint8_t)(__INTERRUPT__)) >> 5U) == 2U)?\
                                                           ((__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_RXFF  RXFIFO Full interrupt
  *            @arg @ref UART_IT_TXFE  TXFIFO Empty interrupt
  *            @arg @ref UART_IT_RXFT  RXFIFO threshold interrupt
  *            @arg @ref UART_IT_TXFT  TXFIFO threshold interrupt
  *            @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_TXFNF TX FIFO not full interrupt
  *            @arg @ref UART_IT_TC    Transmission complete interrupt
  *            @arg @ref UART_IT_RXNE  Receive Data register not empty interrupt
  *            @arg @ref UART_IT_RXFNE RXFIFO not empty interrupt
  *            @arg @ref UART_IT_RTO   Receive Timeout 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) == 1U)?\
                                                           ((__HANDLE__)->Instance->CR1 &= ~ (1U <<\
                                                               ((__INTERRUPT__) & UART_IT_MASK))): \
                                                           ((((uint8_t)(__INTERRUPT__)) >> 5U) == 2U)?\
                                                           ((__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  __INTERRUPT__ specifies the UART interrupt to check.
  *          This parameter can be one of the following values:
  *            @arg @ref UART_IT_RXFF  RXFIFO Full interrupt
  *            @arg @ref UART_IT_TXFE  TXFIFO Empty interrupt
  *            @arg @ref UART_IT_RXFT  RXFIFO threshold interrupt
  *            @arg @ref UART_IT_TXFT  TXFIFO threshold interrupt
  *            @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_TXFNF TX FIFO not full interrupt
  *            @arg @ref UART_IT_TC    Transmission complete interrupt
  *            @arg @ref UART_IT_RXNE  Receive Data register not empty interrupt
  *            @arg @ref UART_IT_RXFNE RXFIFO not empty interrupt
  *            @arg @ref UART_IT_RTO   Receive Timeout 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 The new state of __INTERRUPT__ (SET or RESET).
  */
#define __HAL_UART_GET_IT(__HANDLE__, __INTERRUPT__) ((((__HANDLE__)->Instance->ISR\
                                                        & (1U << ((__INTERRUPT__)>> 8U))) != RESET) ? SET : RESET)

/** @brief  Check whether the specified UART interrupt source is enabled or not.
  * @param  __HANDLE__ specifies the UART Handle.
  * @param  __INTERRUPT__ specifies the UART interrupt source to check.
  *          This parameter can be one of the following values:
  *            @arg @ref UART_IT_RXFF  RXFIFO Full interrupt
  *            @arg @ref UART_IT_TXFE  TXFIFO Empty interrupt
  *            @arg @ref UART_IT_RXFT  RXFIFO threshold interrupt
  *            @arg @ref UART_IT_TXFT  TXFIFO threshold interrupt
  *            @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_TXFNF TX FIFO not full interrupt
  *            @arg @ref UART_IT_TC    Transmission complete interrupt
  *            @arg @ref UART_IT_RXNE  Receive Data register not empty interrupt
  *            @arg @ref UART_IT_RXFNE RXFIFO not empty interrupt
  *            @arg @ref UART_IT_RTO   Receive Timeout 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 The new state of __INTERRUPT__ (SET or RESET).
  */
#define __HAL_UART_GET_IT_SOURCE(__HANDLE__, __INTERRUPT__) ((((((((uint8_t)(__INTERRUPT__)) >> 5U) == 1U) ?\
                                                                (__HANDLE__)->Instance->CR1 : \
                                                                (((((uint8_t)(__INTERRUPT__)) >> 5U) == 2U) ?\
                                                                 (__HANDLE__)->Instance->CR2 : \
                                                                 (__HANDLE__)->Instance->CR3)) & (1U <<\
                                                                     (((uint16_t)(__INTERRUPT__)) &\
                                                                      UART_IT_MASK)))  != RESET) ? SET : RESET)

/** @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_RTOF   Receiver timeout clear flag
  *            @arg @ref UART_CLEAR_TXFECF TXFIFO empty 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 |= (uint16_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 &= ~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{                                                             \
    ATOMIC_SET_BIT((__HANDLE__)->Instance->CR3, USART_CR3_CTSE);  \
    (__HANDLE__)->Init.HwFlowCtl |= USART_CR3_CTSE;               \
  } while(0U)

/** @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{                                                              \
    ATOMIC_CLEAR_BIT((__HANDLE__)->Instance->CR3, USART_CR3_CTSE); \
    (__HANDLE__)->Init.HwFlowCtl &= ~(USART_CR3_CTSE);             \
  } while(0U)

/** @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{                                                            \
    ATOMIC_SET_BIT((__HANDLE__)->Instance->CR3, USART_CR3_RTSE); \
    (__HANDLE__)->Init.HwFlowCtl |= USART_CR3_RTSE;              \
  } while(0U)

/** @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{                                                             \
    ATOMIC_CLEAR_BIT((__HANDLE__)->Instance->CR3, USART_CR3_RTSE);\
    (__HANDLE__)->Init.HwFlowCtl &= ~(USART_CR3_RTSE);            \
  } while(0U)
/**
  * @}
  */

/* Private macros --------------------------------------------------------*/
/** @defgroup UART_Private_Macros   UART Private Macros
  * @{
  */
#if defined(USART_PRESC_PRESCALER)
/** @brief  Get UART clock division factor from clock prescaler value.
  * @param  __CLOCKPRESCALER__ UART prescaler value.
  * @retval UART clock division factor
  */
#define UART_GET_DIV_FACTOR(__CLOCKPRESCALER__) \
  (((__CLOCKPRESCALER__) == UART_PRESCALER_DIV1)   ? 1U :       \
   ((__CLOCKPRESCALER__) == UART_PRESCALER_DIV2)   ? 2U :       \
   ((__CLOCKPRESCALER__) == UART_PRESCALER_DIV4)   ? 4U :       \
   ((__CLOCKPRESCALER__) == UART_PRESCALER_DIV6)   ? 6U :       \
   ((__CLOCKPRESCALER__) == UART_PRESCALER_DIV8)   ? 8U :       \
   ((__CLOCKPRESCALER__) == UART_PRESCALER_DIV10)  ? 10U :      \
   ((__CLOCKPRESCALER__) == UART_PRESCALER_DIV12)  ? 12U :      \
   ((__CLOCKPRESCALER__) == UART_PRESCALER_DIV16)  ? 16U :      \
   ((__CLOCKPRESCALER__) == UART_PRESCALER_DIV32)  ? 32U :      \
   ((__CLOCKPRESCALER__) == UART_PRESCALER_DIV64)  ? 64U :      \
   ((__CLOCKPRESCALER__) == UART_PRESCALER_DIV128) ? 128U : 256U)

/** @brief  BRR division operation to set BRR register with LPUART.
  * @param  __PCLK__ LPUART clock.
  * @param  __BAUD__ Baud rate set by the user.
  * @param  __CLOCKPRESCALER__ UART prescaler value.
  * @retval Division result
  */
#define UART_DIV_LPUART(__PCLK__, __BAUD__, __CLOCKPRESCALER__)                        \
  ((uint32_t)((((((uint64_t)(__PCLK__))/(UARTPrescTable[(__CLOCKPRESCALER__)]))*256U)+ \
               (uint32_t)((__BAUD__)/2U)) / (__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.
  * @param  __CLOCKPRESCALER__ UART prescaler value.
  * @retval Division result
  */
#define UART_DIV_SAMPLING8(__PCLK__, __BAUD__, __CLOCKPRESCALER__)                        \
  (((((__PCLK__)/UARTPrescTable[(__CLOCKPRESCALER__)])*2U) + ((__BAUD__)/2U)) / (__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.
  * @param  __CLOCKPRESCALER__ UART prescaler value.
  * @retval Division result
  */
#define UART_DIV_SAMPLING16(__PCLK__, __BAUD__, __CLOCKPRESCALER__)                       \
  ((((__PCLK__)/UARTPrescTable[(__CLOCKPRESCALER__)]) + ((__BAUD__)/2U)) / (__BAUD__))
#else

/** @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__)*256U)) + ((__BAUD__)/2U)) / (__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__)*2U) + ((__BAUD__)/2U)) / (__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__)/2U)) / (__BAUD__))
#endif /* USART_PRESC_PRESCALER */

/** @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__) (IS_LPUART_INSTANCE((__HANDLE__)->Instance))

/** @brief  Check UART Baud rate.
  * @param  __BAUDRATE__ Baudrate specified by the user.
  *         The maximum Baud Rate is derived from the maximum clock on L4
  *         divided by the smallest oversampling used on the USART (i.e. 8)
  *          (i.e. 120 MHz on STM32L4Rx/L4Sx, 80 Mhz otherwise)
  * @retval SET (__BAUDRATE__ is valid) or RESET (__BAUDRATE__ is invalid)
  */
#if defined(STM32L4R5xx) || defined(STM32L4R7xx) || defined(STM32L4R9xx) || defined(STM32L4S5xx) || defined(STM32L4S7xx) || defined(STM32L4S9xx)
#define IS_UART_BAUDRATE(__BAUDRATE__) ((__BAUDRATE__) < 15000001U)
#else
#define IS_UART_BAUDRATE(__BAUDRATE__) ((__BAUDRATE__) < 10000001U)
#endif /* STM32L4R5xx || STM32L4R7xx || STM32L4R9xx || STM32L4S5xx || STM32L4S7xx || STM32L4S9xx */

/** @brief  Check UART assertion time.
  * @param  __TIME__ 5-bit value assertion time.
  * @retval Test result (TRUE or FALSE).
  */
#define IS_UART_ASSERTIONTIME(__TIME__)    ((__TIME__) <= 0x1FU)

/** @brief  Check UART deassertion time.
  * @param  __TIME__ 5-bit value deassertion time.
  * @retval Test result (TRUE or FALSE).
  */
#define IS_UART_DEASSERTIONTIME(__TIME__) ((__TIME__) <= 0x1FU)

/**
  * @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)
  */
#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)))) == 0x00U) && ((__MODE__) != 0x00U))

/**
  * @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  Check the receiver timeout value.
  * @note   The maximum UART receiver timeout value is 0xFFFFFF.
  * @param  __TIMEOUTVALUE__ receiver timeout value.
  * @retval Test result (TRUE or FALSE)
  */
#define IS_UART_RECEIVER_TIMEOUT_VALUE(__TIMEOUTVALUE__)  ((__TIMEOUTVALUE__) <= 0xFFFFFFU)

/**
  * @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))

#if defined(USART_PRESC_PRESCALER)
/**
  * @brief Ensure that UART Prescaler is valid.
  * @param __CLOCKPRESCALER__ UART Prescaler value.
  * @retval SET (__CLOCKPRESCALER__ is valid) or RESET (__CLOCKPRESCALER__ is invalid)
  */
#define IS_UART_PRESCALER(__CLOCKPRESCALER__) (((__CLOCKPRESCALER__) == UART_PRESCALER_DIV1)   || \
                                               ((__CLOCKPRESCALER__) == UART_PRESCALER_DIV2)   || \
                                               ((__CLOCKPRESCALER__) == UART_PRESCALER_DIV4)   || \
                                               ((__CLOCKPRESCALER__) == UART_PRESCALER_DIV6)   || \
                                               ((__CLOCKPRESCALER__) == UART_PRESCALER_DIV8)   || \
                                               ((__CLOCKPRESCALER__) == UART_PRESCALER_DIV10)  || \
                                               ((__CLOCKPRESCALER__) == UART_PRESCALER_DIV12)  || \
                                               ((__CLOCKPRESCALER__) == UART_PRESCALER_DIV16)  || \
                                               ((__CLOCKPRESCALER__) == UART_PRESCALER_DIV32)  || \
                                               ((__CLOCKPRESCALER__) == UART_PRESCALER_DIV64)  || \
                                               ((__CLOCKPRESCALER__) == UART_PRESCALER_DIV128) || \
                                               ((__CLOCKPRESCALER__) == UART_PRESCALER_DIV256))
#endif /* USART_PRESC_PRESCALER */

/**
  * @}
  */

/* 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);

/* Callbacks Register/UnRegister functions  ***********************************/
#if (USE_HAL_UART_REGISTER_CALLBACKS == 1)
HAL_StatusTypeDef HAL_UART_RegisterCallback(UART_HandleTypeDef *huart, HAL_UART_CallbackIDTypeDef CallbackID,
                                            pUART_CallbackTypeDef pCallback);
HAL_StatusTypeDef HAL_UART_UnRegisterCallback(UART_HandleTypeDef *huart, HAL_UART_CallbackIDTypeDef CallbackID);

HAL_StatusTypeDef HAL_UART_RegisterRxEventCallback(UART_HandleTypeDef *huart, pUART_RxEventCallbackTypeDef pCallback);
HAL_StatusTypeDef HAL_UART_UnRegisterRxEventCallback(UART_HandleTypeDef *huart);
#endif /* USE_HAL_UART_REGISTER_CALLBACKS */

/**
  * @}
  */

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

/* IO operation functions *****************************************************/
HAL_StatusTypeDef HAL_UART_Transmit(UART_HandleTypeDef *huart, const 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, const 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, const 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);
/* Transfer Abort functions */
HAL_StatusTypeDef HAL_UART_Abort(UART_HandleTypeDef *huart);
HAL_StatusTypeDef HAL_UART_AbortTransmit(UART_HandleTypeDef *huart);
HAL_StatusTypeDef HAL_UART_AbortReceive(UART_HandleTypeDef *huart);
HAL_StatusTypeDef HAL_UART_Abort_IT(UART_HandleTypeDef *huart);
HAL_StatusTypeDef HAL_UART_AbortTransmit_IT(UART_HandleTypeDef *huart);
HAL_StatusTypeDef HAL_UART_AbortReceive_IT(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);
void HAL_UART_AbortCpltCallback(UART_HandleTypeDef *huart);
void HAL_UART_AbortTransmitCpltCallback(UART_HandleTypeDef *huart);
void HAL_UART_AbortReceiveCpltCallback(UART_HandleTypeDef *huart);

void HAL_UARTEx_RxEventCallback(UART_HandleTypeDef *huart, uint16_t Size);

/**
  * @}
  */

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

/* Peripheral Control functions  ************************************************/
void HAL_UART_ReceiverTimeout_Config(UART_HandleTypeDef *huart, uint32_t TimeoutValue);
HAL_StatusTypeDef HAL_UART_EnableReceiverTimeout(UART_HandleTypeDef *huart);
HAL_StatusTypeDef HAL_UART_DisableReceiverTimeout(UART_HandleTypeDef *huart);

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(const UART_HandleTypeDef *huart);
uint32_t              HAL_UART_GetError(const UART_HandleTypeDef *huart);

/**
  * @}
  */

/**
  * @}
  */

/* Private functions -----------------------------------------------------------*/
/** @addtogroup UART_Private_Functions UART Private Functions
  * @{
  */
#if (USE_HAL_UART_REGISTER_CALLBACKS == 1)
void              UART_InitCallbacksToDefault(UART_HandleTypeDef *huart);
#endif /* USE_HAL_UART_REGISTER_CALLBACKS */
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 Tickstart, uint32_t Timeout);
void              UART_AdvFeatureConfig(UART_HandleTypeDef *huart);
HAL_StatusTypeDef UART_Start_Receive_IT(UART_HandleTypeDef *huart, uint8_t *pData, uint16_t Size);
HAL_StatusTypeDef UART_Start_Receive_DMA(UART_HandleTypeDef *huart, uint8_t *pData, uint16_t Size);

/**
  * @}
  */

/* Private variables -----------------------------------------------------------*/
#if defined(USART_PRESC_PRESCALER)
/** @defgroup UART_Private_variables UART Private variables
  * @{
  */
/* Prescaler Table used in BRR computation macros.
   Declared as extern here to allow use of private UART macros, outside of HAL UART functions */
extern const uint16_t UARTPrescTable[12];
/**
  * @}
  */

#endif /* USART_PRESC_PRESCALER */
/**
  * @}
  */

/**
  * @}
  */

#ifdef __cplusplus
}
#endif

#endif /* STM32L4xx_HAL_UART_H */