NixieTubeClock/Nixie_Firmware_Mbed/mbed-dev/targets/TARGET_STM/TARGET_STM32L4/device/stm32l4xx_hal_uart_ex.h

/**
  ******************************************************************************
  * @file    stm32l4xx_hal_uart_ex.h
  * @author  MCD Application Team
  * @brief   Header file of UART HAL Extended module.
  ******************************************************************************
  * @attention
  *
  * <h2><center>&copy; COPYRIGHT(c) 2017 STMicroelectronics</center></h2>
  *
  * Redistribution and use in source and binary forms, with or without modification,
  * are permitted provided that the following conditions are met:
  *   1. Redistributions of source code must retain the above copyright notice,
  *      this list of conditions and the following disclaimer.
  *   2. Redistributions in binary form must reproduce the above copyright notice,
  *      this list of conditions and the following disclaimer in the documentation
  *      and/or other materials provided with the distribution.
  *   3. Neither the name of STMicroelectronics nor the names of its contributors
  *      may be used to endorse or promote products derived from this software
  *      without specific prior written permission.
  *
  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
  * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
  * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
  * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
  * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
  * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  *
  ******************************************************************************
  */

/* Define to prevent recursive inclusion -------------------------------------*/
#ifndef __STM32L4xx_HAL_UART_EX_H
#define __STM32L4xx_HAL_UART_EX_H

#ifdef __cplusplus
 extern "C" {
#endif

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

/** @addtogroup STM32L4xx_HAL_Driver
  * @{
  */

/** @addtogroup UARTEx
  * @{
  */

/* Exported types ------------------------------------------------------------*/
/** @defgroup UARTEx_Exported_Types UARTEx Exported Types
  * @{
  */

/**
  * @brief  UART wake up from stop mode parameters
  */
typedef struct
{
  uint32_t WakeUpEvent;        /*!< Specifies which event will activat the Wakeup from Stop mode flag (WUF).
                                    This parameter can be a value of @ref UART_WakeUp_from_Stop_Selection.
                                    If set to UART_WAKEUP_ON_ADDRESS, the two other fields below must
                                    be filled up. */

  uint16_t AddressLength;      /*!< Specifies whether the address is 4 or 7-bit long.
                                    This parameter can be a value of @ref UARTEx_WakeUp_Address_Length.  */

  uint8_t Address;             /*!< UART/USART node address (7-bit long max). */
} UART_WakeUpTypeDef;

/**
  * @}
  */

/* Exported constants --------------------------------------------------------*/
/** @defgroup UARTEx_Exported_Constants UARTEx Exported Constants
  * @{
  */

/** @defgroup UARTEx_Word_Length UARTEx Word Length
  * @{
  */
#define UART_WORDLENGTH_7B           USART_CR1_M1   /*!< 7-bit long UART frame */
#define UART_WORDLENGTH_8B           0x00000000U    /*!< 8-bit long UART frame */
#define UART_WORDLENGTH_9B           USART_CR1_M0   /*!< 9-bit long UART frame */
/**
  * @}
  */
  
/** @defgroup UARTEx_WakeUp_Address_Length UARTEx WakeUp Address Length
  * @{
  */
#define UART_ADDRESS_DETECT_4B       0x00000000U      /*!< 4-bit long wake-up address */
#define UART_ADDRESS_DETECT_7B       USART_CR2_ADDM7  /*!< 7-bit long wake-up address */
/**
  * @}
  */

#if defined(USART_CR2_SLVEN)
/** @defgroup UARTEx_Slave_Select_management UARTEx Slave Select Management
  * @{
  */
#define UART_NSS_HARD                0x00000000U          /*!< SPI slave selection depends on NSS input pin              */
#define UART_NSS_SOFT                USART_CR2_DIS_NSS    /*!< SPI slave is always selected and NSS input pin is ignored */
/**
  * @}
  */
#endif

#if defined(USART_CR1_FIFOEN)
/** @defgroup UARTEx_TXFIFO_threshold_level UARTEx TXFIFO threshold level
  * @brief    UART TXFIFO level 
  * @{
  */
#define UART_TXFIFO_THRESHOLD_1_8   0x00000000U                               /*!< TXFIFO reaches 1/8 of its depth */
#define UART_TXFIFO_THRESHOLD_1_4   USART_CR3_TXFTCFG_0                       /*!< TXFIFO reaches 1/4 of its depth */
#define UART_TXFIFO_THRESHOLD_1_2   USART_CR3_TXFTCFG_1                       /*!< TXFIFO reaches 1/2 of its depth */
#define UART_TXFIFO_THRESHOLD_3_4   (USART_CR3_TXFTCFG_0|USART_CR3_TXFTCFG_1) /*!< TXFIFO reaches 3/4 of its depth */
#define UART_TXFIFO_THRESHOLD_7_8   USART_CR3_TXFTCFG_2                       /*!< TXFIFO reaches 7/8 of its depth */
#define UART_TXFIFO_THRESHOLD_8_8   (USART_CR3_TXFTCFG_2|USART_CR3_TXFTCFG_0) /*!< TXFIFO becomes empty            */
/**
  * @}
  */
   
/** @defgroup UARTEx_RXFIFO_threshold_level UARTEx RXFIFO threshold level
  * @brief    UART RXFIFO level 
  * @{
  */
#define UART_RXFIFO_THRESHOLD_1_8   0x00000000U                               /*!< RXFIFO FIFO reaches 1/8 of its depth */
#define UART_RXFIFO_THRESHOLD_1_4   USART_CR3_RXFTCFG_0                       /*!< RXFIFO FIFO reaches 1/4 of its depth */
#define UART_RXFIFO_THRESHOLD_1_2   USART_CR3_RXFTCFG_1                       /*!< RXFIFO FIFO reaches 1/2 of its depth */
#define UART_RXFIFO_THRESHOLD_3_4   (USART_CR3_RXFTCFG_0|USART_CR3_RXFTCFG_1) /*!< RXFIFO FIFO reaches 3/4 of its depth */
#define UART_RXFIFO_THRESHOLD_7_8   USART_CR3_RXFTCFG_2                       /*!< RXFIFO FIFO reaches 7/8 of its depth */
#define UART_RXFIFO_THRESHOLD_8_8   (USART_CR3_RXFTCFG_2|USART_CR3_RXFTCFG_0) /*!< RXFIFO FIFO becomes full             */
/**
  * @}
  */
#endif

/**
  * @}
  */

/* Exported macros -----------------------------------------------------------*/
/* Exported functions --------------------------------------------------------*/
/** @addtogroup UARTEx_Exported_Functions
  * @{
  */

/** @addtogroup UARTEx_Exported_Functions_Group1
  * @{
  */

/* Initialization and de-initialization functions  ****************************/
HAL_StatusTypeDef HAL_RS485Ex_Init(UART_HandleTypeDef *huart, uint32_t Polarity, uint32_t AssertionTime, uint32_t DeassertionTime);

/**
  * @}
  */

/** @addtogroup UARTEx_Exported_Functions_Group2
  * @{
  */

/* IO operation functions *****************************************************/
void HAL_UARTEx_WakeupCallback(UART_HandleTypeDef *huart);

#if defined(USART_CR1_FIFOEN)
void HAL_UARTEx_RxFifoFullCallback(UART_HandleTypeDef *huart);
void HAL_UARTEx_TxFifoEmptyCallback(UART_HandleTypeDef *huart);
#endif

/**
  * @}
  */

/** @addtogroup UARTEx_Exported_Functions_Group3
  * @{
  */

/* Peripheral Control functions  **********************************************/
HAL_StatusTypeDef HAL_UARTEx_StopModeWakeUpSourceConfig(UART_HandleTypeDef *huart, UART_WakeUpTypeDef WakeUpSelection);
HAL_StatusTypeDef HAL_UARTEx_EnableStopMode(UART_HandleTypeDef *huart);
/* MBED */
HAL_StatusTypeDef HAL_UARTEx_EnableClockStopMode(UART_HandleTypeDef *huart);
/* MBED */
HAL_StatusTypeDef HAL_UARTEx_DisableStopMode(UART_HandleTypeDef *huart);
/* MBED */
HAL_StatusTypeDef HAL_UARTEx_DisableClockStopMode(UART_HandleTypeDef *huart);
/* MBED */
HAL_StatusTypeDef HAL_MultiProcessorEx_AddressLength_Set(UART_HandleTypeDef *huart, uint32_t AddressLength);

#if defined(USART_CR2_SLVEN)
HAL_StatusTypeDef HAL_UARTEx_EnableSlaveMode(UART_HandleTypeDef *huart);
HAL_StatusTypeDef HAL_UARTEx_DisableSlaveMode(UART_HandleTypeDef *huart);
HAL_StatusTypeDef HAL_UARTEx_ConfigNSS(UART_HandleTypeDef *huart, uint32_t NSSConfig);
#endif

#if defined(USART_CR1_FIFOEN)
HAL_StatusTypeDef HAL_UARTEx_EnableFifoMode(UART_HandleTypeDef *huart);
HAL_StatusTypeDef HAL_UARTEx_DisableFifoMode(UART_HandleTypeDef *huart);
HAL_StatusTypeDef HAL_UARTEx_SetTxFifoThreshold(UART_HandleTypeDef *huart, uint32_t Threshold);
HAL_StatusTypeDef HAL_UARTEx_SetRxFifoThreshold(UART_HandleTypeDef *huart, uint32_t Threshold);
#endif


/**
  * @}
  */

/**
  * @}
  */

/* Private constants ---------------------------------------------------------*/
/** @defgroup UARTEx_Private_Constants UARTEx Private Constants
  * @{
  */
#if defined(USART_CR2_SLVEN)
/** @defgroup UARTEx_Slave_Mode UARTEx Synchronous Slave mode
  * @{
  */
#define UART_SLAVEMODE_DISABLE       0x00000000U       /*!< USART SPI Slave Mode Enable  */
#define UART_SLAVEMODE_ENABLE        USART_CR2_SLVEN   /*!< USART SPI Slave Mode Disable */
/**
  * @}
  */
#endif

#if defined(USART_CR1_FIFOEN)
/** @defgroup UARTEx_FIFO_mode UARTEx FIFO mode
  * @{
  */
#define UART_FIFOMODE_DISABLE        0x00000000U       /*!< FIFO mode disable */
#define UART_FIFOMODE_ENABLE         USART_CR1_FIFOEN  /*!< FIFO mode enable  */
/**
  * @}
  */
#endif
/**
  * @}
  */

/* Private macros ------------------------------------------------------------*/
/** @defgroup UARTEx_Private_Macros UARTEx Private Macros
  * @{
  */

/** @brief  Report the UART clock source.
  * @param  __HANDLE__ specifies the UART Handle.
  * @param  __CLOCKSOURCE__ output variable.
  * @retval UART clocking source, written in __CLOCKSOURCE__.
  */
#if defined (STM32L471xx) || defined (STM32L475xx) || defined (STM32L476xx) || defined (STM32L485xx) || defined (STM32L486xx) || \
    defined (STM32L496xx) || defined (STM32L4A6xx) || \
    defined (STM32L4R5xx) || defined (STM32L4R7xx) || defined (STM32L4R9xx) || defined (STM32L4S5xx) || defined (STM32L4S7xx) || defined (STM32L4S9xx)
#define UART_GETCLOCKSOURCE(__HANDLE__,__CLOCKSOURCE__)       \
  do {                                                        \
    if((__HANDLE__)->Instance == USART1)                      \
    {                                                         \
       switch(__HAL_RCC_GET_USART1_SOURCE())                  \
       {                                                      \
        case RCC_USART1CLKSOURCE_PCLK2:                       \
          (__CLOCKSOURCE__) = UART_CLOCKSOURCE_PCLK2;         \
          break;                                              \
        case RCC_USART1CLKSOURCE_HSI:                         \
          (__CLOCKSOURCE__) = UART_CLOCKSOURCE_HSI;           \
          break;                                              \
        case RCC_USART1CLKSOURCE_SYSCLK:                      \
          (__CLOCKSOURCE__) = UART_CLOCKSOURCE_SYSCLK;        \
          break;                                              \
        case RCC_USART1CLKSOURCE_LSE:                         \
          (__CLOCKSOURCE__) = UART_CLOCKSOURCE_LSE;           \
          break;                                              \
        default:                                              \
          (__CLOCKSOURCE__) = UART_CLOCKSOURCE_UNDEFINED;     \
          break;                                              \
       }                                                      \
    }                                                         \
    else if((__HANDLE__)->Instance == USART2)                 \
    {                                                         \
       switch(__HAL_RCC_GET_USART2_SOURCE())                  \
       {                                                      \
        case RCC_USART2CLKSOURCE_PCLK1:                       \
          (__CLOCKSOURCE__) = UART_CLOCKSOURCE_PCLK1;         \
          break;                                              \
        case RCC_USART2CLKSOURCE_HSI:                         \
          (__CLOCKSOURCE__) = UART_CLOCKSOURCE_HSI;           \
          break;                                              \
        case RCC_USART2CLKSOURCE_SYSCLK:                      \
          (__CLOCKSOURCE__) = UART_CLOCKSOURCE_SYSCLK;        \
          break;                                              \
        case RCC_USART2CLKSOURCE_LSE:                         \
          (__CLOCKSOURCE__) = UART_CLOCKSOURCE_LSE;           \
          break;                                              \
        default:                                              \
          (__CLOCKSOURCE__) = UART_CLOCKSOURCE_UNDEFINED;     \
          break;                                              \
       }                                                      \
    }                                                         \
    else if((__HANDLE__)->Instance == USART3)                 \
    {                                                         \
       switch(__HAL_RCC_GET_USART3_SOURCE())                  \
       {                                                      \
        case RCC_USART3CLKSOURCE_PCLK1:                       \
          (__CLOCKSOURCE__) = UART_CLOCKSOURCE_PCLK1;         \
          break;                                              \
        case RCC_USART3CLKSOURCE_HSI:                         \
          (__CLOCKSOURCE__) = UART_CLOCKSOURCE_HSI;           \
          break;                                              \
        case RCC_USART3CLKSOURCE_SYSCLK:                      \
          (__CLOCKSOURCE__) = UART_CLOCKSOURCE_SYSCLK;        \
          break;                                              \
        case RCC_USART3CLKSOURCE_LSE:                         \
          (__CLOCKSOURCE__) = UART_CLOCKSOURCE_LSE;           \
          break;                                              \
        default:                                              \
          (__CLOCKSOURCE__) = UART_CLOCKSOURCE_UNDEFINED;     \
          break;                                              \
       }                                                      \
    }                                                         \
    else if((__HANDLE__)->Instance == UART4)                  \
    {                                                         \
       switch(__HAL_RCC_GET_UART4_SOURCE())                   \
       {                                                      \
        case RCC_UART4CLKSOURCE_PCLK1:                        \
          (__CLOCKSOURCE__) = UART_CLOCKSOURCE_PCLK1;         \
          break;                                              \
        case RCC_UART4CLKSOURCE_HSI:                          \
          (__CLOCKSOURCE__) = UART_CLOCKSOURCE_HSI;           \
          break;                                              \
        case RCC_UART4CLKSOURCE_SYSCLK:                       \
          (__CLOCKSOURCE__) = UART_CLOCKSOURCE_SYSCLK;        \
          break;                                              \
        case RCC_UART4CLKSOURCE_LSE:                          \
          (__CLOCKSOURCE__) = UART_CLOCKSOURCE_LSE;           \
          break;                                              \
        default:                                              \
          (__CLOCKSOURCE__) = UART_CLOCKSOURCE_UNDEFINED;     \
          break;                                              \
       }                                                      \
    }                                                         \
    else if((__HANDLE__)->Instance == UART5)                  \
    {                                                         \
       switch(__HAL_RCC_GET_UART5_SOURCE())                   \
       {                                                      \
        case RCC_UART5CLKSOURCE_PCLK1:                        \
          (__CLOCKSOURCE__) = UART_CLOCKSOURCE_PCLK1;         \
          break;                                              \
        case RCC_UART5CLKSOURCE_HSI:                          \
          (__CLOCKSOURCE__) = UART_CLOCKSOURCE_HSI;           \
          break;                                              \
        case RCC_UART5CLKSOURCE_SYSCLK:                       \
          (__CLOCKSOURCE__) = UART_CLOCKSOURCE_SYSCLK;        \
          break;                                              \
        case RCC_UART5CLKSOURCE_LSE:                          \
          (__CLOCKSOURCE__) = UART_CLOCKSOURCE_LSE;           \
          break;                                              \
        default:                                              \
          (__CLOCKSOURCE__) = UART_CLOCKSOURCE_UNDEFINED;     \
          break;                                              \
       }                                                      \
    }                                                         \
    else if((__HANDLE__)->Instance == LPUART1)                \
    {                                                         \
       switch(__HAL_RCC_GET_LPUART1_SOURCE())                 \
       {                                                      \
        case RCC_LPUART1CLKSOURCE_PCLK1:                      \
          (__CLOCKSOURCE__) = UART_CLOCKSOURCE_PCLK1;         \
          break;                                              \
        case RCC_LPUART1CLKSOURCE_HSI:                        \
          (__CLOCKSOURCE__) = UART_CLOCKSOURCE_HSI;           \
          break;                                              \
        case RCC_LPUART1CLKSOURCE_SYSCLK:                     \
          (__CLOCKSOURCE__) = UART_CLOCKSOURCE_SYSCLK;        \
          break;                                              \
        case RCC_LPUART1CLKSOURCE_LSE:                        \
          (__CLOCKSOURCE__) = UART_CLOCKSOURCE_LSE;           \
          break;                                              \
        default:                                              \
          (__CLOCKSOURCE__) = UART_CLOCKSOURCE_UNDEFINED;     \
          break;                                              \
       }                                                      \
    }                                                         \
  } while(0)
#elif defined (STM32L431xx) || defined (STM32L433xx) || defined (STM32L443xx)
#define UART_GETCLOCKSOURCE(__HANDLE__,__CLOCKSOURCE__)       \
  do {                                                        \
    if((__HANDLE__)->Instance == USART1)                      \
    {                                                         \
       switch(__HAL_RCC_GET_USART1_SOURCE())                  \
       {                                                      \
        case RCC_USART1CLKSOURCE_PCLK2:                       \
          (__CLOCKSOURCE__) = UART_CLOCKSOURCE_PCLK2;         \
          break;                                              \
        case RCC_USART1CLKSOURCE_HSI:                         \
          (__CLOCKSOURCE__) = UART_CLOCKSOURCE_HSI;           \
          break;                                              \
        case RCC_USART1CLKSOURCE_SYSCLK:                      \
          (__CLOCKSOURCE__) = UART_CLOCKSOURCE_SYSCLK;        \
          break;                                              \
        case RCC_USART1CLKSOURCE_LSE:                         \
          (__CLOCKSOURCE__) = UART_CLOCKSOURCE_LSE;           \
          break;                                              \
        default:                                              \
          (__CLOCKSOURCE__) = UART_CLOCKSOURCE_UNDEFINED;     \
          break;                                              \
       }                                                      \
    }                                                         \
    else if((__HANDLE__)->Instance == USART2)                 \
    {                                                         \
       switch(__HAL_RCC_GET_USART2_SOURCE())                  \
       {                                                      \
        case RCC_USART2CLKSOURCE_PCLK1:                       \
          (__CLOCKSOURCE__) = UART_CLOCKSOURCE_PCLK1;         \
          break;                                              \
        case RCC_USART2CLKSOURCE_HSI:                         \
          (__CLOCKSOURCE__) = UART_CLOCKSOURCE_HSI;           \
          break;                                              \
        case RCC_USART2CLKSOURCE_SYSCLK:                      \
          (__CLOCKSOURCE__) = UART_CLOCKSOURCE_SYSCLK;        \
          break;                                              \
        case RCC_USART2CLKSOURCE_LSE:                         \
          (__CLOCKSOURCE__) = UART_CLOCKSOURCE_LSE;           \
          break;                                              \
        default:                                              \
          (__CLOCKSOURCE__) = UART_CLOCKSOURCE_UNDEFINED;     \
          break;                                              \
       }                                                      \
    }                                                         \
    else if((__HANDLE__)->Instance == USART3)                 \
    {                                                         \
       switch(__HAL_RCC_GET_USART3_SOURCE())                  \
       {                                                      \
        case RCC_USART3CLKSOURCE_PCLK1:                       \
          (__CLOCKSOURCE__) = UART_CLOCKSOURCE_PCLK1;         \
          break;                                              \
        case RCC_USART3CLKSOURCE_HSI:                         \
          (__CLOCKSOURCE__) = UART_CLOCKSOURCE_HSI;           \
          break;                                              \
        case RCC_USART3CLKSOURCE_SYSCLK:                      \
          (__CLOCKSOURCE__) = UART_CLOCKSOURCE_SYSCLK;        \
          break;                                              \
        case RCC_USART3CLKSOURCE_LSE:                         \
          (__CLOCKSOURCE__) = UART_CLOCKSOURCE_LSE;           \
          break;                                              \
        default:                                              \
          (__CLOCKSOURCE__) = UART_CLOCKSOURCE_UNDEFINED;     \
          break;                                              \
       }                                                      \
    }                                                         \
    else if((__HANDLE__)->Instance == LPUART1)                \
    {                                                         \
       switch(__HAL_RCC_GET_LPUART1_SOURCE())                 \
       {                                                      \
        case RCC_LPUART1CLKSOURCE_PCLK1:                      \
          (__CLOCKSOURCE__) = UART_CLOCKSOURCE_PCLK1;         \
          break;                                              \
        case RCC_LPUART1CLKSOURCE_HSI:                        \
          (__CLOCKSOURCE__) = UART_CLOCKSOURCE_HSI;           \
          break;                                              \
        case RCC_LPUART1CLKSOURCE_SYSCLK:                     \
          (__CLOCKSOURCE__) = UART_CLOCKSOURCE_SYSCLK;        \
          break;                                              \
        case RCC_LPUART1CLKSOURCE_LSE:                        \
          (__CLOCKSOURCE__) = UART_CLOCKSOURCE_LSE;           \
          break;                                              \
        default:                                              \
          (__CLOCKSOURCE__) = UART_CLOCKSOURCE_UNDEFINED;     \
          break;                                              \
       }                                                      \
    }                                                         \
  } while(0)
#elif defined (STM32L432xx) || defined (STM32L442xx)
#define UART_GETCLOCKSOURCE(__HANDLE__,__CLOCKSOURCE__)       \
  do {                                                        \
    if((__HANDLE__)->Instance == USART1)                      \
    {                                                         \
       switch(__HAL_RCC_GET_USART1_SOURCE())                  \
       {                                                      \
        case RCC_USART1CLKSOURCE_PCLK2:                       \
          (__CLOCKSOURCE__) = UART_CLOCKSOURCE_PCLK2;         \
          break;                                              \
        case RCC_USART1CLKSOURCE_HSI:                         \
          (__CLOCKSOURCE__) = UART_CLOCKSOURCE_HSI;           \
          break;                                              \
        case RCC_USART1CLKSOURCE_SYSCLK:                      \
          (__CLOCKSOURCE__) = UART_CLOCKSOURCE_SYSCLK;        \
          break;                                              \
        case RCC_USART1CLKSOURCE_LSE:                         \
          (__CLOCKSOURCE__) = UART_CLOCKSOURCE_LSE;           \
          break;                                              \
        default:                                              \
          (__CLOCKSOURCE__) = UART_CLOCKSOURCE_UNDEFINED;     \
          break;                                              \
       }                                                      \
    }                                                         \
    else if((__HANDLE__)->Instance == USART2)                 \
    {                                                         \
       switch(__HAL_RCC_GET_USART2_SOURCE())                  \
       {                                                      \
        case RCC_USART2CLKSOURCE_PCLK1:                       \
          (__CLOCKSOURCE__) = UART_CLOCKSOURCE_PCLK1;         \
          break;                                              \
        case RCC_USART2CLKSOURCE_HSI:                         \
          (__CLOCKSOURCE__) = UART_CLOCKSOURCE_HSI;           \
          break;                                              \
        case RCC_USART2CLKSOURCE_SYSCLK:                      \
          (__CLOCKSOURCE__) = UART_CLOCKSOURCE_SYSCLK;        \
          break;                                              \
        case RCC_USART2CLKSOURCE_LSE:                         \
          (__CLOCKSOURCE__) = UART_CLOCKSOURCE_LSE;           \
          break;                                              \
        default:                                              \
          (__CLOCKSOURCE__) = UART_CLOCKSOURCE_UNDEFINED;     \
          break;                                              \
       }                                                      \
    }                                                         \
    else if((__HANDLE__)->Instance == LPUART1)                \
    {                                                         \
       switch(__HAL_RCC_GET_LPUART1_SOURCE())                 \
       {                                                      \
        case RCC_LPUART1CLKSOURCE_PCLK1:                      \
          (__CLOCKSOURCE__) = UART_CLOCKSOURCE_PCLK1;         \
          break;                                              \
        case RCC_LPUART1CLKSOURCE_HSI:                        \
          (__CLOCKSOURCE__) = UART_CLOCKSOURCE_HSI;           \
          break;                                              \
        case RCC_LPUART1CLKSOURCE_SYSCLK:                     \
          (__CLOCKSOURCE__) = UART_CLOCKSOURCE_SYSCLK;        \
          break;                                              \
        case RCC_LPUART1CLKSOURCE_LSE:                        \
          (__CLOCKSOURCE__) = UART_CLOCKSOURCE_LSE;           \
          break;                                              \
        default:                                              \
          (__CLOCKSOURCE__) = UART_CLOCKSOURCE_UNDEFINED;     \
          break;                                              \
       }                                                      \
    }                                                         \
  } while(0)
#elif defined (STM32L451xx) || defined (STM32L452xx) || defined (STM32L462xx)
#define UART_GETCLOCKSOURCE(__HANDLE__,__CLOCKSOURCE__)       \
  do {                                                        \
    if((__HANDLE__)->Instance == USART1)                      \
    {                                                         \
       switch(__HAL_RCC_GET_USART1_SOURCE())                  \
       {                                                      \
        case RCC_USART1CLKSOURCE_PCLK2:                       \
          (__CLOCKSOURCE__) = UART_CLOCKSOURCE_PCLK2;         \
          break;                                              \
        case RCC_USART1CLKSOURCE_HSI:                         \
          (__CLOCKSOURCE__) = UART_CLOCKSOURCE_HSI;           \
          break;                                              \
        case RCC_USART1CLKSOURCE_SYSCLK:                      \
          (__CLOCKSOURCE__) = UART_CLOCKSOURCE_SYSCLK;        \
          break;                                              \
        case RCC_USART1CLKSOURCE_LSE:                         \
          (__CLOCKSOURCE__) = UART_CLOCKSOURCE_LSE;           \
          break;                                              \
        default:                                              \
          (__CLOCKSOURCE__) = UART_CLOCKSOURCE_UNDEFINED;     \
          break;                                              \
       }                                                      \
    }                                                         \
    else if((__HANDLE__)->Instance == USART2)                 \
    {                                                         \
       switch(__HAL_RCC_GET_USART2_SOURCE())                  \
       {                                                      \
        case RCC_USART2CLKSOURCE_PCLK1:                       \
          (__CLOCKSOURCE__) = UART_CLOCKSOURCE_PCLK1;         \
          break;                                              \
        case RCC_USART2CLKSOURCE_HSI:                         \
          (__CLOCKSOURCE__) = UART_CLOCKSOURCE_HSI;           \
          break;                                              \
        case RCC_USART2CLKSOURCE_SYSCLK:                      \
          (__CLOCKSOURCE__) = UART_CLOCKSOURCE_SYSCLK;        \
          break;                                              \
        case RCC_USART2CLKSOURCE_LSE:                         \
          (__CLOCKSOURCE__) = UART_CLOCKSOURCE_LSE;           \
          break;                                              \
        default:                                              \
          (__CLOCKSOURCE__) = UART_CLOCKSOURCE_UNDEFINED;     \
          break;                                              \
       }                                                      \
    }                                                         \
    else if((__HANDLE__)->Instance == USART3)                 \
    {                                                         \
       switch(__HAL_RCC_GET_USART3_SOURCE())                  \
       {                                                      \
        case RCC_USART3CLKSOURCE_PCLK1:                       \
          (__CLOCKSOURCE__) = UART_CLOCKSOURCE_PCLK1;         \
          break;                                              \
        case RCC_USART3CLKSOURCE_HSI:                         \
          (__CLOCKSOURCE__) = UART_CLOCKSOURCE_HSI;           \
          break;                                              \
        case RCC_USART3CLKSOURCE_SYSCLK:                      \
          (__CLOCKSOURCE__) = UART_CLOCKSOURCE_SYSCLK;        \
          break;                                              \
        case RCC_USART3CLKSOURCE_LSE:                         \
          (__CLOCKSOURCE__) = UART_CLOCKSOURCE_LSE;           \
          break;                                              \
        default:                                              \
          (__CLOCKSOURCE__) = UART_CLOCKSOURCE_UNDEFINED;     \
          break;                                              \
       }                                                      \
    }                                                         \
    else if((__HANDLE__)->Instance == UART4)                  \
    {                                                         \
       switch(__HAL_RCC_GET_UART4_SOURCE())                   \
       {                                                      \
        case RCC_UART4CLKSOURCE_PCLK1:                        \
          (__CLOCKSOURCE__) = UART_CLOCKSOURCE_PCLK1;         \
          break;                                              \
        case RCC_UART4CLKSOURCE_HSI:                          \
          (__CLOCKSOURCE__) = UART_CLOCKSOURCE_HSI;           \
          break;                                              \
        case RCC_UART4CLKSOURCE_SYSCLK:                       \
          (__CLOCKSOURCE__) = UART_CLOCKSOURCE_SYSCLK;        \
          break;                                              \
        case RCC_UART4CLKSOURCE_LSE:                          \
          (__CLOCKSOURCE__) = UART_CLOCKSOURCE_LSE;           \
          break;                                              \
        default:                                              \
          (__CLOCKSOURCE__) = UART_CLOCKSOURCE_UNDEFINED;     \
          break;                                              \
       }                                                      \
    }                                                         \
    else if((__HANDLE__)->Instance == LPUART1)                \
    {                                                         \
       switch(__HAL_RCC_GET_LPUART1_SOURCE())                 \
       {                                                      \
        case RCC_LPUART1CLKSOURCE_PCLK1:                      \
          (__CLOCKSOURCE__) = UART_CLOCKSOURCE_PCLK1;         \
          break;                                              \
        case RCC_LPUART1CLKSOURCE_HSI:                        \
          (__CLOCKSOURCE__) = UART_CLOCKSOURCE_HSI;           \
          break;                                              \
        case RCC_LPUART1CLKSOURCE_SYSCLK:                     \
          (__CLOCKSOURCE__) = UART_CLOCKSOURCE_SYSCLK;        \
          break;                                              \
        case RCC_LPUART1CLKSOURCE_LSE:                        \
          (__CLOCKSOURCE__) = UART_CLOCKSOURCE_LSE;           \
          break;                                              \
        default:                                              \
          (__CLOCKSOURCE__) = UART_CLOCKSOURCE_UNDEFINED;     \
          break;                                              \
       }                                                      \
    }                                                         \
  } while(0)  
#endif

/** @brief  Report the UART mask to apply to retrieve the received data
  *         according to the word length and to the parity bits activation.
  * @note   If PCE = 1, the parity bit is not included in the data extracted
  *         by the reception API().
  *         This masking operation is not carried out in the case of
  *         DMA transfers.
  * @param  __HANDLE__: specifies the UART Handle.
  * @retval None, the mask to apply to UART RDR register is stored in (__HANDLE__)->Mask field.
  */
#define UART_MASK_COMPUTATION(__HANDLE__)                             \
  do {                                                                \
  if ((__HANDLE__)->Init.WordLength == UART_WORDLENGTH_9B)            \
  {                                                                   \
     if ((__HANDLE__)->Init.Parity == UART_PARITY_NONE)               \
     {                                                                \
        (__HANDLE__)->Mask = 0x01FF ;                                 \
     }                                                                \
     else                                                             \
     {                                                                \
        (__HANDLE__)->Mask = 0x00FF ;                                 \
     }                                                                \
  }                                                                   \
  else if ((__HANDLE__)->Init.WordLength == UART_WORDLENGTH_8B)       \
  {                                                                   \
     if ((__HANDLE__)->Init.Parity == UART_PARITY_NONE)               \
     {                                                                \
        (__HANDLE__)->Mask = 0x00FF ;                                 \
     }                                                                \
     else                                                             \
     {                                                                \
        (__HANDLE__)->Mask = 0x007F ;                                 \
     }                                                                \
  }                                                                   \
  else if ((__HANDLE__)->Init.WordLength == UART_WORDLENGTH_7B)       \
  {                                                                   \
     if ((__HANDLE__)->Init.Parity == UART_PARITY_NONE)               \
     {                                                                \
        (__HANDLE__)->Mask = 0x007F ;                                 \
     }                                                                \
     else                                                             \
     {                                                                \
        (__HANDLE__)->Mask = 0x003F ;                                 \
     }                                                                \
  }                                                                   \
} while(0)


/**
  * @brief Ensure that UART frame length is valid.
  * @param __LENGTH__ UART frame length. 
  * @retval SET (__LENGTH__ is valid) or RESET (__LENGTH__ is invalid)
  */
#define IS_UART_WORD_LENGTH(__LENGTH__) (((__LENGTH__) == UART_WORDLENGTH_7B) || \
                                         ((__LENGTH__) == UART_WORDLENGTH_8B) || \
                                         ((__LENGTH__) == UART_WORDLENGTH_9B))

/**
  * @brief Ensure that UART wake-up address length is valid.
  * @param __ADDRESS__ UART wake-up address length. 
  * @retval SET (__ADDRESS__ is valid) or RESET (__ADDRESS__ is invalid)
  */
#define IS_UART_ADDRESSLENGTH_DETECT(__ADDRESS__) (((__ADDRESS__) == UART_ADDRESS_DETECT_4B) || \
                                                   ((__ADDRESS__) == UART_ADDRESS_DETECT_7B))

#if defined(USART_CR2_SLVEN)
/**
  * @brief Ensure that UART Negative Slave Select (NSS) pin management is valid.
  * @param __NSS__ UART Negative Slave Select pin management. 
  * @retval SET (__NSS__ is valid) or RESET (__NSS__ is invalid)
  */
#define IS_UART_NSS(__NSS__) (((__NSS__) == UART_NSS_HARD) || \
                              ((__NSS__) == UART_NSS_SOFT))
#endif

#if defined(USART_CR1_FIFOEN)
/**
  * @brief Ensure that UART TXFIFO threshold level is valid.
  * @param __THRESHOLD__ UART TXFIFO threshold level. 
  * @retval SET (__THRESHOLD__ is valid) or RESET (__THRESHOLD__ is invalid)
  */
#define IS_UART_TXFIFO_THRESHOLD(__THRESHOLD__)  (((__THRESHOLD__) == UART_TXFIFO_THRESHOLD_1_8)  || \
                                                  ((__THRESHOLD__) == UART_TXFIFO_THRESHOLD_1_4)  || \
                                                  ((__THRESHOLD__) == UART_TXFIFO_THRESHOLD_1_2)  || \
                                                  ((__THRESHOLD__) == UART_TXFIFO_THRESHOLD_3_4)  || \
                                                  ((__THRESHOLD__) == UART_TXFIFO_THRESHOLD_7_8)  || \
                                                  ((__THRESHOLD__) == UART_TXFIFO_THRESHOLD_8_8))                                          

/**
  * @brief Ensure that USART RXFIFO threshold level is valid.
  * @param __THRESHOLD__ USART RXFIFO threshold level. 
  * @retval SET (__THRESHOLD__ is valid) or RESET (__THRESHOLD__ is invalid)
  */
#define IS_UART_RXFIFO_THRESHOLD(__THRESHOLD__)  (((__THRESHOLD__) == UART_RXFIFO_THRESHOLD_1_8)  || \
                                                  ((__THRESHOLD__) == UART_RXFIFO_THRESHOLD_1_4)  || \
                                                  ((__THRESHOLD__) == UART_RXFIFO_THRESHOLD_1_2)  || \
                                                  ((__THRESHOLD__) == UART_RXFIFO_THRESHOLD_3_4)  || \
                                                  ((__THRESHOLD__) == UART_RXFIFO_THRESHOLD_7_8)  || \
                                                  ((__THRESHOLD__) == UART_RXFIFO_THRESHOLD_8_8))
#endif

/**
  * @}
  */

/* Private functions ---------------------------------------------------------*/

/**
  * @}
  */

/**
  * @}
  */

#ifdef __cplusplus
}
#endif

#endif /* __STM32L4xx_HAL_UART_EX_H */

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