stm32f4xx_hal_uart.c

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/* Includes ------------------------------------------------------------------*/
#include "stm32f4xx_hal.h"
 
#ifdef HAL_UART_MODULE_ENABLED
 
/* Private typedef -----------------------------------------------------------*/
/* Private define ------------------------------------------------------------*/
/* Private macro -------------------------------------------------------------*/
/* Private variables ---------------------------------------------------------*/
/* Private function prototypes -----------------------------------------------*/
#if (USE_HAL_UART_REGISTER_CALLBACKS == 1)
void UART_InitCallbacksToDefault(UART_HandleTypeDef *huart);
#endif /* USE_HAL_UART_REGISTER_CALLBACKS */
static void UART_EndTxTransfer(UART_HandleTypeDef *huart);
static void UART_EndRxTransfer(UART_HandleTypeDef *huart);
static void UART_DMATransmitCplt(DMA_HandleTypeDef *hdma);
static void UART_DMAReceiveCplt(DMA_HandleTypeDef *hdma);
static void UART_DMATxHalfCplt(DMA_HandleTypeDef *hdma);
static void UART_DMARxHalfCplt(DMA_HandleTypeDef *hdma);
static void UART_DMAError(DMA_HandleTypeDef *hdma);
static void UART_DMAAbortOnError(DMA_HandleTypeDef *hdma);
static void UART_DMATxAbortCallback(DMA_HandleTypeDef *hdma);
static void UART_DMARxAbortCallback(DMA_HandleTypeDef *hdma);
static void UART_DMATxOnlyAbortCallback(DMA_HandleTypeDef *hdma);
static void UART_DMARxOnlyAbortCallback(DMA_HandleTypeDef *hdma);
static HAL_StatusTypeDef UART_Transmit_IT(UART_HandleTypeDef *huart);
static HAL_StatusTypeDef UART_EndTransmit_IT(UART_HandleTypeDef *huart);
static HAL_StatusTypeDef UART_Receive_IT(UART_HandleTypeDef *huart);
static HAL_StatusTypeDef UART_WaitOnFlagUntilTimeout(UART_HandleTypeDef *huart, uint32_t Flag, FlagStatus Status, uint32_t Tickstart, uint32_t Timeout);
static void UART_SetConfig(UART_HandleTypeDef *huart);
 
/* Exported functions ---------------------------------------------------------*/
HAL_StatusTypeDef HAL_UART_Init(UART_HandleTypeDef *huart)
{
  /* Check the UART handle allocation */
  if (huart == NULL)
  {
    return HAL_ERROR;
  }
 
  /* Check the parameters */
  if (huart->Init.HwFlowCtl != UART_HWCONTROL_NONE)
  {
    /* The hardware flow control is available only for USART1, USART2, USART3 and USART6.
       Except for STM32F446xx devices, that is available for USART1, USART2, USART3, USART6, UART4 and UART5.
    */
    assert_param(IS_UART_HWFLOW_INSTANCE(huart->Instance));
    assert_param(IS_UART_HARDWARE_FLOW_CONTROL(huart->Init.HwFlowCtl));
  }
  else
  {
    assert_param(IS_UART_INSTANCE(huart->Instance));
  }
  assert_param(IS_UART_WORD_LENGTH(huart->Init.WordLength));
  assert_param(IS_UART_OVERSAMPLING(huart->Init.OverSampling));
 
  if (huart->gState == HAL_UART_STATE_RESET)
  {
    /* Allocate lock resource and initialize it */
    huart->Lock = HAL_UNLOCKED;
 
#if (USE_HAL_UART_REGISTER_CALLBACKS == 1)
    UART_InitCallbacksToDefault(huart);
 
    if (huart->MspInitCallback == NULL)
    {
      huart->MspInitCallback = HAL_UART_MspInit;
    }
 
    /* Init the low level hardware */
    huart->MspInitCallback(huart);
#else
    /* Init the low level hardware : GPIO, CLOCK */
    HAL_UART_MspInit(huart);
#endif /* (USE_HAL_UART_REGISTER_CALLBACKS) */
  }
 
  huart->gState = HAL_UART_STATE_BUSY;
 
  /* Disable the peripheral */
  __HAL_UART_DISABLE(huart);
 
  /* Set the UART Communication parameters */
  UART_SetConfig(huart);
 
  /* In asynchronous mode, the following bits must be kept cleared:
     - LINEN and CLKEN bits in the USART_CR2 register,
     - SCEN, HDSEL and IREN  bits in the USART_CR3 register.*/
  CLEAR_BIT(huart->Instance->CR2, (USART_CR2_LINEN | USART_CR2_CLKEN));
  CLEAR_BIT(huart->Instance->CR3, (USART_CR3_SCEN | USART_CR3_HDSEL | USART_CR3_IREN));
 
  /* Enable the peripheral */
  __HAL_UART_ENABLE(huart);
 
  /* Initialize the UART state */
  huart->ErrorCode = HAL_UART_ERROR_NONE;
  huart->gState = HAL_UART_STATE_READY;
  huart->RxState = HAL_UART_STATE_READY;
 
  return HAL_OK;
}
 
HAL_StatusTypeDef HAL_HalfDuplex_Init(UART_HandleTypeDef *huart)
{
  /* Check the UART handle allocation */
  if (huart == NULL)
  {
    return HAL_ERROR;
  }
 
  /* Check the parameters */
  assert_param(IS_UART_HALFDUPLEX_INSTANCE(huart->Instance));
  assert_param(IS_UART_WORD_LENGTH(huart->Init.WordLength));
  assert_param(IS_UART_OVERSAMPLING(huart->Init.OverSampling));
 
  if (huart->gState == HAL_UART_STATE_RESET)
  {
    /* Allocate lock resource and initialize it */
    huart->Lock = HAL_UNLOCKED;
 
#if (USE_HAL_UART_REGISTER_CALLBACKS == 1)
    UART_InitCallbacksToDefault(huart);
 
    if (huart->MspInitCallback == NULL)
    {
      huart->MspInitCallback = HAL_UART_MspInit;
    }
 
    /* Init the low level hardware */
    huart->MspInitCallback(huart);
#else
    /* Init the low level hardware : GPIO, CLOCK */
    HAL_UART_MspInit(huart);
#endif /* (USE_HAL_UART_REGISTER_CALLBACKS) */
  }
 
  huart->gState = HAL_UART_STATE_BUSY;
 
  /* Disable the peripheral */
  __HAL_UART_DISABLE(huart);
 
  /* Set the UART Communication parameters */
  UART_SetConfig(huart);
 
  /* In half-duplex mode, the following bits must be kept cleared:
     - LINEN and CLKEN bits in the USART_CR2 register,
     - SCEN and IREN bits in the USART_CR3 register.*/
  CLEAR_BIT(huart->Instance->CR2, (USART_CR2_LINEN | USART_CR2_CLKEN));
  CLEAR_BIT(huart->Instance->CR3, (USART_CR3_IREN | USART_CR3_SCEN));
 
  /* Enable the Half-Duplex mode by setting the HDSEL bit in the CR3 register */
  SET_BIT(huart->Instance->CR3, USART_CR3_HDSEL);
 
  /* Enable the peripheral */
  __HAL_UART_ENABLE(huart);
 
  /* Initialize the UART state*/
  huart->ErrorCode = HAL_UART_ERROR_NONE;
  huart->gState = HAL_UART_STATE_READY;
  huart->RxState = HAL_UART_STATE_READY;
 
  return HAL_OK;
}
 
HAL_StatusTypeDef HAL_LIN_Init(UART_HandleTypeDef *huart, uint32_t BreakDetectLength)
{
  /* Check the UART handle allocation */
  if (huart == NULL)
  {
    return HAL_ERROR;
  }
 
  /* Check the LIN UART instance */
  assert_param(IS_UART_LIN_INSTANCE(huart->Instance));
 
  /* Check the Break detection length parameter */
  assert_param(IS_UART_LIN_BREAK_DETECT_LENGTH(BreakDetectLength));
  assert_param(IS_UART_LIN_WORD_LENGTH(huart->Init.WordLength));
  assert_param(IS_UART_LIN_OVERSAMPLING(huart->Init.OverSampling));
 
  if (huart->gState == HAL_UART_STATE_RESET)
  {
    /* Allocate lock resource and initialize it */
    huart->Lock = HAL_UNLOCKED;
 
#if (USE_HAL_UART_REGISTER_CALLBACKS == 1)
    UART_InitCallbacksToDefault(huart);
 
    if (huart->MspInitCallback == NULL)
    {
      huart->MspInitCallback = HAL_UART_MspInit;
    }
 
    /* Init the low level hardware */
    huart->MspInitCallback(huart);
#else
    /* Init the low level hardware : GPIO, CLOCK */
    HAL_UART_MspInit(huart);
#endif /* (USE_HAL_UART_REGISTER_CALLBACKS) */
  }
 
  huart->gState = HAL_UART_STATE_BUSY;
 
  /* Disable the peripheral */
  __HAL_UART_DISABLE(huart);
 
  /* Set the UART Communication parameters */
  UART_SetConfig(huart);
 
  /* In LIN mode, the following bits must be kept cleared:
     - CLKEN bits in the USART_CR2 register,
     - SCEN, HDSEL and IREN bits in the USART_CR3 register.*/
  CLEAR_BIT(huart->Instance->CR2, (USART_CR2_CLKEN));
  CLEAR_BIT(huart->Instance->CR3, (USART_CR3_HDSEL | USART_CR3_IREN | USART_CR3_SCEN));
 
  /* Enable the LIN mode by setting the LINEN bit in the CR2 register */
  SET_BIT(huart->Instance->CR2, USART_CR2_LINEN);
 
  /* Set the USART LIN Break detection length. */
  CLEAR_BIT(huart->Instance->CR2, USART_CR2_LBDL);
  SET_BIT(huart->Instance->CR2, BreakDetectLength);
 
  /* Enable the peripheral */
  __HAL_UART_ENABLE(huart);
 
  /* Initialize the UART state*/
  huart->ErrorCode = HAL_UART_ERROR_NONE;
  huart->gState = HAL_UART_STATE_READY;
  huart->RxState = HAL_UART_STATE_READY;
 
  return HAL_OK;
}
 
HAL_StatusTypeDef HAL_MultiProcessor_Init(UART_HandleTypeDef *huart, uint8_t Address, uint32_t WakeUpMethod)
{
  /* Check the UART handle allocation */
  if (huart == NULL)
  {
    return HAL_ERROR;
  }
 
  /* Check the parameters */
  assert_param(IS_UART_INSTANCE(huart->Instance));
 
  /* Check the Address & wake up method parameters */
  assert_param(IS_UART_WAKEUPMETHOD(WakeUpMethod));
  assert_param(IS_UART_ADDRESS(Address));
  assert_param(IS_UART_WORD_LENGTH(huart->Init.WordLength));
  assert_param(IS_UART_OVERSAMPLING(huart->Init.OverSampling));
 
  if (huart->gState == HAL_UART_STATE_RESET)
  {
    /* Allocate lock resource and initialize it */
    huart->Lock = HAL_UNLOCKED;
 
#if (USE_HAL_UART_REGISTER_CALLBACKS == 1)
    UART_InitCallbacksToDefault(huart);
 
    if (huart->MspInitCallback == NULL)
    {
      huart->MspInitCallback = HAL_UART_MspInit;
    }
 
    /* Init the low level hardware */
    huart->MspInitCallback(huart);
#else
    /* Init the low level hardware : GPIO, CLOCK */
    HAL_UART_MspInit(huart);
#endif /* (USE_HAL_UART_REGISTER_CALLBACKS) */
  }
 
  huart->gState = HAL_UART_STATE_BUSY;
 
  /* Disable the peripheral */
  __HAL_UART_DISABLE(huart);
 
  /* Set the UART Communication parameters */
  UART_SetConfig(huart);
 
  /* In Multi-Processor mode, the following bits must be kept cleared:
     - LINEN and CLKEN bits in the USART_CR2 register,
     - SCEN, HDSEL and IREN  bits in the USART_CR3 register */
  CLEAR_BIT(huart->Instance->CR2, (USART_CR2_LINEN | USART_CR2_CLKEN));
  CLEAR_BIT(huart->Instance->CR3, (USART_CR3_SCEN | USART_CR3_HDSEL | USART_CR3_IREN));
 
  /* Set the USART address node */
  CLEAR_BIT(huart->Instance->CR2, USART_CR2_ADD);
  SET_BIT(huart->Instance->CR2, Address);
 
  /* Set the wake up method by setting the WAKE bit in the CR1 register */
  CLEAR_BIT(huart->Instance->CR1, USART_CR1_WAKE);
  SET_BIT(huart->Instance->CR1, WakeUpMethod);
 
  /* Enable the peripheral */
  __HAL_UART_ENABLE(huart);
 
  /* Initialize the UART state */
  huart->ErrorCode = HAL_UART_ERROR_NONE;
  huart->gState = HAL_UART_STATE_READY;
  huart->RxState = HAL_UART_STATE_READY;
 
  return HAL_OK;
}
 
HAL_StatusTypeDef HAL_UART_DeInit(UART_HandleTypeDef *huart)
{
  /* Check the UART handle allocation */
  if (huart == NULL)
  {
    return HAL_ERROR;
  }
 
  /* Check the parameters */
  assert_param(IS_UART_INSTANCE(huart->Instance));
 
  huart->gState = HAL_UART_STATE_BUSY;
 
  /* Disable the Peripheral */
  __HAL_UART_DISABLE(huart);
 
#if (USE_HAL_UART_REGISTER_CALLBACKS == 1)
  if (huart->MspDeInitCallback == NULL)
  {
    huart->MspDeInitCallback = HAL_UART_MspDeInit;
  }
  /* DeInit the low level hardware */
  huart->MspDeInitCallback(huart);
#else
  /* DeInit the low level hardware */
  HAL_UART_MspDeInit(huart);
#endif /* (USE_HAL_UART_REGISTER_CALLBACKS) */
 
  huart->ErrorCode = HAL_UART_ERROR_NONE;
  huart->gState = HAL_UART_STATE_RESET;
  huart->RxState = HAL_UART_STATE_RESET;
 
  /* Process Unlock */
  __HAL_UNLOCK(huart);
 
  return HAL_OK;
}
 
__weak void HAL_UART_MspInit(UART_HandleTypeDef *huart)
{
  /* Prevent unused argument(s) compilation warning */
  UNUSED(huart);
  /* NOTE: This function should not be modified, when the callback is needed,
           the HAL_UART_MspInit could be implemented in the user file
   */
}
 
__weak void HAL_UART_MspDeInit(UART_HandleTypeDef *huart)
{
  /* Prevent unused argument(s) compilation warning */
  UNUSED(huart);
  /* NOTE: This function should not be modified, when the callback is needed,
           the HAL_UART_MspDeInit could be implemented in the user file
   */
}
 
#if (USE_HAL_UART_REGISTER_CALLBACKS == 1)
 
HAL_StatusTypeDef HAL_UART_RegisterCallback(UART_HandleTypeDef *huart, HAL_UART_CallbackIDTypeDef CallbackID, pUART_CallbackTypeDef pCallback)
{
  HAL_StatusTypeDef status = HAL_OK;
 
  if (pCallback == NULL)
  {
    /* Update the error code */
    huart->ErrorCode |= HAL_UART_ERROR_INVALID_CALLBACK;
 
    return HAL_ERROR;
  }
  /* Process locked */
  __HAL_LOCK(huart);
 
  if (huart->gState == HAL_UART_STATE_READY)
  {
    switch (CallbackID)
    {
      case HAL_UART_TX_HALFCOMPLETE_CB_ID :
        huart->TxHalfCpltCallback = pCallback;
        break;
 
      case HAL_UART_TX_COMPLETE_CB_ID :
        huart->TxCpltCallback = pCallback;
        break;
 
      case HAL_UART_RX_HALFCOMPLETE_CB_ID :
        huart->RxHalfCpltCallback = pCallback;
        break;
 
      case HAL_UART_RX_COMPLETE_CB_ID :
        huart->RxCpltCallback = pCallback;
        break;
 
      case HAL_UART_ERROR_CB_ID :
        huart->ErrorCallback = pCallback;
        break;
 
      case HAL_UART_ABORT_COMPLETE_CB_ID :
        huart->AbortCpltCallback = pCallback;
        break;
 
      case HAL_UART_ABORT_TRANSMIT_COMPLETE_CB_ID :
        huart->AbortTransmitCpltCallback = pCallback;
        break;
 
      case HAL_UART_ABORT_RECEIVE_COMPLETE_CB_ID :
        huart->AbortReceiveCpltCallback = pCallback;
        break;
 
      case HAL_UART_MSPINIT_CB_ID :
        huart->MspInitCallback = pCallback;
        break;
 
      case HAL_UART_MSPDEINIT_CB_ID :
        huart->MspDeInitCallback = pCallback;
        break;
 
      default :
        /* Update the error code */
        huart->ErrorCode |= HAL_UART_ERROR_INVALID_CALLBACK;
 
        /* Return error status */
        status =  HAL_ERROR;
        break;
    }
  }
  else if (huart->gState == HAL_UART_STATE_RESET)
  {
    switch (CallbackID)
    {
      case HAL_UART_MSPINIT_CB_ID :
        huart->MspInitCallback = pCallback;
        break;
 
      case HAL_UART_MSPDEINIT_CB_ID :
        huart->MspDeInitCallback = pCallback;
        break;
 
      default :
        /* Update the error code */
        huart->ErrorCode |= HAL_UART_ERROR_INVALID_CALLBACK;
 
        /* Return error status */
        status =  HAL_ERROR;
        break;
    }
  }
  else
  {
    /* Update the error code */
    huart->ErrorCode |= HAL_UART_ERROR_INVALID_CALLBACK;
 
    /* Return error status */
    status =  HAL_ERROR;
  }
 
  /* Release Lock */
  __HAL_UNLOCK(huart);
 
  return status;
}
 
HAL_StatusTypeDef HAL_UART_UnRegisterCallback(UART_HandleTypeDef *huart, HAL_UART_CallbackIDTypeDef CallbackID)
{
  HAL_StatusTypeDef status = HAL_OK;
 
  /* Process locked */
  __HAL_LOCK(huart);
 
  if (HAL_UART_STATE_READY == huart->gState)
  {
    switch (CallbackID)
    {
      case HAL_UART_TX_HALFCOMPLETE_CB_ID :
        huart->TxHalfCpltCallback = HAL_UART_TxHalfCpltCallback;               /* Legacy weak  TxHalfCpltCallback       */
        break;
 
      case HAL_UART_TX_COMPLETE_CB_ID :
        huart->TxCpltCallback = HAL_UART_TxCpltCallback;                       /* Legacy weak TxCpltCallback            */
        break;
 
      case HAL_UART_RX_HALFCOMPLETE_CB_ID :
        huart->RxHalfCpltCallback = HAL_UART_RxHalfCpltCallback;               /* Legacy weak RxHalfCpltCallback        */
        break;
 
      case HAL_UART_RX_COMPLETE_CB_ID :
        huart->RxCpltCallback = HAL_UART_RxCpltCallback;                       /* Legacy weak RxCpltCallback            */
        break;
 
      case HAL_UART_ERROR_CB_ID :
        huart->ErrorCallback = HAL_UART_ErrorCallback;                         /* Legacy weak ErrorCallback             */
        break;
 
      case HAL_UART_ABORT_COMPLETE_CB_ID :
        huart->AbortCpltCallback = HAL_UART_AbortCpltCallback;                 /* Legacy weak AbortCpltCallback         */
        break;
 
      case HAL_UART_ABORT_TRANSMIT_COMPLETE_CB_ID :
        huart->AbortTransmitCpltCallback = HAL_UART_AbortTransmitCpltCallback; /* Legacy weak AbortTransmitCpltCallback */
        break;
 
      case HAL_UART_ABORT_RECEIVE_COMPLETE_CB_ID :
        huart->AbortReceiveCpltCallback = HAL_UART_AbortReceiveCpltCallback;   /* Legacy weak AbortReceiveCpltCallback  */
        break;
 
      case HAL_UART_MSPINIT_CB_ID :
        huart->MspInitCallback = HAL_UART_MspInit;                             /* Legacy weak MspInitCallback           */
        break;
 
      case HAL_UART_MSPDEINIT_CB_ID :
        huart->MspDeInitCallback = HAL_UART_MspDeInit;                         /* Legacy weak MspDeInitCallback         */
        break;
 
      default :
        /* Update the error code */
        huart->ErrorCode |= HAL_UART_ERROR_INVALID_CALLBACK;
 
        /* Return error status */
        status =  HAL_ERROR;
        break;
    }
  }
  else if (HAL_UART_STATE_RESET == huart->gState)
  {
    switch (CallbackID)
    {
      case HAL_UART_MSPINIT_CB_ID :
        huart->MspInitCallback = HAL_UART_MspInit;
        break;
 
      case HAL_UART_MSPDEINIT_CB_ID :
        huart->MspDeInitCallback = HAL_UART_MspDeInit;
        break;
 
      default :
        /* Update the error code */
        huart->ErrorCode |= HAL_UART_ERROR_INVALID_CALLBACK;
 
        /* Return error status */
        status =  HAL_ERROR;
        break;
    }
  }
  else
  {
    /* Update the error code */
    huart->ErrorCode |= HAL_UART_ERROR_INVALID_CALLBACK;
 
    /* Return error status */
    status =  HAL_ERROR;
  }
 
  /* Release Lock */
  __HAL_UNLOCK(huart);
 
  return status;
}
#endif /* USE_HAL_UART_REGISTER_CALLBACKS */
 
HAL_StatusTypeDef HAL_UART_Transmit(UART_HandleTypeDef *huart, uint8_t *pData, uint16_t Size, uint32_t Timeout)
{
  uint16_t *tmp;
  uint32_t tickstart = 0U;
 
  /* Check that a Tx process is not already ongoing */
  if (huart->gState == HAL_UART_STATE_READY)
  {
    if ((pData == NULL) || (Size == 0U))
    {
      return  HAL_ERROR;
    }
 
    /* Process Locked */
    __HAL_LOCK(huart);
 
    huart->ErrorCode = HAL_UART_ERROR_NONE;
    huart->gState = HAL_UART_STATE_BUSY_TX;
 
    /* Init tickstart for timeout managment */
    tickstart = HAL_GetTick();
 
    huart->TxXferSize = Size;
    huart->TxXferCount = Size;
 
    /* Process Unlocked */
    __HAL_UNLOCK(huart);
 
    while (huart->TxXferCount > 0U)
    {
      huart->TxXferCount--;
      if (huart->Init.WordLength == UART_WORDLENGTH_9B)
      {
        if (UART_WaitOnFlagUntilTimeout(huart, UART_FLAG_TXE, RESET, tickstart, Timeout) != HAL_OK)
        {
          return HAL_TIMEOUT;
        }
        tmp = (uint16_t *) pData;
        huart->Instance->DR = (*tmp & (uint16_t)0x01FF);
        if (huart->Init.Parity == UART_PARITY_NONE)
        {
          pData += 2U;
        }
        else
        {
          pData += 1U;
        }
      }
      else
      {
        if (UART_WaitOnFlagUntilTimeout(huart, UART_FLAG_TXE, RESET, tickstart, Timeout) != HAL_OK)
        {
          return HAL_TIMEOUT;
        }
        huart->Instance->DR = (*pData++ & (uint8_t)0xFF);
      }
    }
 
    if (UART_WaitOnFlagUntilTimeout(huart, UART_FLAG_TC, RESET, tickstart, Timeout) != HAL_OK)
    {
      return HAL_TIMEOUT;
    }
 
    /* At end of Tx process, restore huart->gState to Ready */
    huart->gState = HAL_UART_STATE_READY;
 
    return HAL_OK;
  }
  else
  {
    return HAL_BUSY;
  }
}
 
HAL_StatusTypeDef HAL_UART_Receive(UART_HandleTypeDef *huart, uint8_t *pData, uint16_t Size, uint32_t Timeout)
{
  uint16_t *tmp;
  uint32_t tickstart = 0U;
 
  /* Check that a Rx process is not already ongoing */
  if (huart->RxState == HAL_UART_STATE_READY)
  {
    if ((pData == NULL) || (Size == 0U))
    {
      return  HAL_ERROR;
    }
 
    /* Process Locked */
    __HAL_LOCK(huart);
 
    huart->ErrorCode = HAL_UART_ERROR_NONE;
    huart->RxState = HAL_UART_STATE_BUSY_RX;
 
    /* Init tickstart for timeout managment */
    tickstart = HAL_GetTick();
 
    huart->RxXferSize = Size;
    huart->RxXferCount = Size;
 
    /* Process Unlocked */
    __HAL_UNLOCK(huart);
 
    /* Check the remain data to be received */
    while (huart->RxXferCount > 0U)
    {
      huart->RxXferCount--;
      if (huart->Init.WordLength == UART_WORDLENGTH_9B)
      {
        if (UART_WaitOnFlagUntilTimeout(huart, UART_FLAG_RXNE, RESET, tickstart, Timeout) != HAL_OK)
        {
          return HAL_TIMEOUT;
        }
        tmp = (uint16_t *) pData;
        if (huart->Init.Parity == UART_PARITY_NONE)
        {
          *tmp = (uint16_t)(huart->Instance->DR & (uint16_t)0x01FF);
          pData += 2U;
        }
        else
        {
          *tmp = (uint16_t)(huart->Instance->DR & (uint16_t)0x00FF);
          pData += 1U;
        }
 
      }
      else
      {
        if (UART_WaitOnFlagUntilTimeout(huart, UART_FLAG_RXNE, RESET, tickstart, Timeout) != HAL_OK)
        {
          return HAL_TIMEOUT;
        }
        if (huart->Init.Parity == UART_PARITY_NONE)
        {
          *pData++ = (uint8_t)(huart->Instance->DR & (uint8_t)0x00FF);
        }
        else
        {
          *pData++ = (uint8_t)(huart->Instance->DR & (uint8_t)0x007F);
        }
 
      }
    }
 
    /* At end of Rx process, restore huart->RxState to Ready */
    huart->RxState = HAL_UART_STATE_READY;
 
    return HAL_OK;
  }
  else
  {
    return HAL_BUSY;
  }
}
 
HAL_StatusTypeDef HAL_UART_Transmit_IT(UART_HandleTypeDef *huart, uint8_t *pData, uint16_t Size)
{
  /* Check that a Tx process is not already ongoing */
  if (huart->gState == HAL_UART_STATE_READY)
  {
    if ((pData == NULL) || (Size == 0U))
    {
      return HAL_ERROR;
    }
 
    /* Process Locked */
    __HAL_LOCK(huart);
 
    huart->pTxBuffPtr = pData;
    huart->TxXferSize = Size;
    huart->TxXferCount = Size;
 
    huart->ErrorCode = HAL_UART_ERROR_NONE;
    huart->gState = HAL_UART_STATE_BUSY_TX;
 
    /* Process Unlocked */
    __HAL_UNLOCK(huart);
 
    /* Enable the UART Transmit data register empty Interrupt */
    __HAL_UART_ENABLE_IT(huart, UART_IT_TXE);
 
    return HAL_OK;
  }
  else
  {
    return HAL_BUSY;
  }
}
 
HAL_StatusTypeDef HAL_UART_Receive_IT(UART_HandleTypeDef *huart, uint8_t *pData, uint16_t Size)
{
  /* Check that a Rx process is not already ongoing */
  if (huart->RxState == HAL_UART_STATE_READY)
  {
    if ((pData == NULL) || (Size == 0U))
    {
      return HAL_ERROR;
    }
 
    /* Process Locked */
    __HAL_LOCK(huart);
 
    huart->pRxBuffPtr = pData;
    huart->RxXferSize = Size;
    huart->RxXferCount = Size;
 
    huart->ErrorCode = HAL_UART_ERROR_NONE;
    huart->RxState = HAL_UART_STATE_BUSY_RX;
 
    /* Process Unlocked */
    __HAL_UNLOCK(huart);
 
    /* Enable the UART Parity Error Interrupt */
    __HAL_UART_ENABLE_IT(huart, UART_IT_PE);
 
    /* Enable the UART Error Interrupt: (Frame error, noise error, overrun error) */
    __HAL_UART_ENABLE_IT(huart, UART_IT_ERR);
 
    /* Enable the UART Data Register not empty Interrupt */
    __HAL_UART_ENABLE_IT(huart, UART_IT_RXNE);
 
    return HAL_OK;
  }
  else
  {
    return HAL_BUSY;
  }
}
 
HAL_StatusTypeDef HAL_UART_Transmit_DMA(UART_HandleTypeDef *huart, uint8_t *pData, uint16_t Size)
{
  uint32_t *tmp;
 
  /* Check that a Tx process is not already ongoing */
  if (huart->gState == HAL_UART_STATE_READY)
  {
    if ((pData == NULL) || (Size == 0U))
    {
      return HAL_ERROR;
    }
 
    /* Process Locked */
    __HAL_LOCK(huart);
 
    huart->pTxBuffPtr = pData;
    huart->TxXferSize = Size;
    huart->TxXferCount = Size;
 
    huart->ErrorCode = HAL_UART_ERROR_NONE;
    huart->gState = HAL_UART_STATE_BUSY_TX;
 
    /* Set the UART DMA transfer complete callback */
    huart->hdmatx->XferCpltCallback = UART_DMATransmitCplt;
 
    /* Set the UART DMA Half transfer complete callback */
    huart->hdmatx->XferHalfCpltCallback = UART_DMATxHalfCplt;
 
    /* Set the DMA error callback */
    huart->hdmatx->XferErrorCallback = UART_DMAError;
 
    /* Set the DMA abort callback */
    huart->hdmatx->XferAbortCallback = NULL;
 
    /* Enable the UART transmit DMA stream */
    tmp = (uint32_t *)&pData;
    HAL_DMA_Start_IT(huart->hdmatx, *(uint32_t *)tmp, (uint32_t)&huart->Instance->DR, Size);
 
    /* Clear the TC flag in the SR register by writing 0 to it */
    __HAL_UART_CLEAR_FLAG(huart, UART_FLAG_TC);
 
    /* Process Unlocked */
    __HAL_UNLOCK(huart);
 
    /* Enable the DMA transfer for transmit request by setting the DMAT bit
       in the UART CR3 register */
    SET_BIT(huart->Instance->CR3, USART_CR3_DMAT);
 
    return HAL_OK;
  }
  else
  {
    return HAL_BUSY;
  }
}
 
HAL_StatusTypeDef HAL_UART_Receive_DMA(UART_HandleTypeDef *huart, uint8_t *pData, uint16_t Size)
{
  uint32_t *tmp;
 
  /* Check that a Rx process is not already ongoing */
  if (huart->RxState == HAL_UART_STATE_READY)
  {
    if ((pData == NULL) || (Size == 0U))
    {
      return HAL_ERROR;
    }
 
    /* Process Locked */
    __HAL_LOCK(huart);
 
    huart->pRxBuffPtr = pData;
    huart->RxXferSize = Size;
 
    huart->ErrorCode = HAL_UART_ERROR_NONE;
    huart->RxState = HAL_UART_STATE_BUSY_RX;
 
    /* Set the UART DMA transfer complete callback */
    huart->hdmarx->XferCpltCallback = UART_DMAReceiveCplt;
 
    /* Set the UART DMA Half transfer complete callback */
    huart->hdmarx->XferHalfCpltCallback = UART_DMARxHalfCplt;
 
    /* Set the DMA error callback */
    huart->hdmarx->XferErrorCallback = UART_DMAError;
 
    /* Set the DMA abort callback */
    huart->hdmarx->XferAbortCallback = NULL;
 
    /* Enable the DMA stream */
    tmp = (uint32_t *)&pData;
    HAL_DMA_Start_IT(huart->hdmarx, (uint32_t)&huart->Instance->DR, *(uint32_t *)tmp, Size);
 
    /* Clear the Overrun flag just before enabling the DMA Rx request: can be mandatory for the second transfer */
    __HAL_UART_CLEAR_OREFLAG(huart);
 
    /* Process Unlocked */
    __HAL_UNLOCK(huart);
 
    /* Enable the UART Parity Error Interrupt */
    SET_BIT(huart->Instance->CR1, USART_CR1_PEIE);
 
    /* Enable the UART Error Interrupt: (Frame error, noise error, overrun error) */
    SET_BIT(huart->Instance->CR3, USART_CR3_EIE);
 
    /* Enable the DMA transfer for the receiver request by setting the DMAR bit
    in the UART CR3 register */
    SET_BIT(huart->Instance->CR3, USART_CR3_DMAR);
 
    return HAL_OK;
  }
  else
  {
    return HAL_BUSY;
  }
}
 
HAL_StatusTypeDef HAL_UART_DMAPause(UART_HandleTypeDef *huart)
{
  uint32_t dmarequest = 0x00U;
 
  /* Process Locked */
  __HAL_LOCK(huart);
 
  dmarequest = HAL_IS_BIT_SET(huart->Instance->CR3, USART_CR3_DMAT);
  if ((huart->gState == HAL_UART_STATE_BUSY_TX) && dmarequest)
  {
    /* Disable the UART DMA Tx request */
    CLEAR_BIT(huart->Instance->CR3, USART_CR3_DMAT);
  }
 
  dmarequest = HAL_IS_BIT_SET(huart->Instance->CR3, USART_CR3_DMAR);
  if ((huart->RxState == HAL_UART_STATE_BUSY_RX) && dmarequest)
  {
    /* Disable RXNE, PE and ERR (Frame error, noise error, overrun error) interrupts */
    CLEAR_BIT(huart->Instance->CR1, USART_CR1_PEIE);
    CLEAR_BIT(huart->Instance->CR3, USART_CR3_EIE);
 
    /* Disable the UART DMA Rx request */
    CLEAR_BIT(huart->Instance->CR3, USART_CR3_DMAR);
  }
 
  /* Process Unlocked */
  __HAL_UNLOCK(huart);
 
  return HAL_OK;
}
 
HAL_StatusTypeDef HAL_UART_DMAResume(UART_HandleTypeDef *huart)
{
  /* Process Locked */
  __HAL_LOCK(huart);
 
  if (huart->gState == HAL_UART_STATE_BUSY_TX)
  {
    /* Enable the UART DMA Tx request */
    SET_BIT(huart->Instance->CR3, USART_CR3_DMAT);
  }
 
  if (huart->RxState == HAL_UART_STATE_BUSY_RX)
  {
    /* Clear the Overrun flag before resuming the Rx transfer*/
    __HAL_UART_CLEAR_OREFLAG(huart);
 
    /* Reenable PE and ERR (Frame error, noise error, overrun error) interrupts */
    SET_BIT(huart->Instance->CR1, USART_CR1_PEIE);
    SET_BIT(huart->Instance->CR3, USART_CR3_EIE);
 
    /* Enable the UART DMA Rx request */
    SET_BIT(huart->Instance->CR3, USART_CR3_DMAR);
  }
 
  /* Process Unlocked */
  __HAL_UNLOCK(huart);
 
  return HAL_OK;
}
 
HAL_StatusTypeDef HAL_UART_DMAStop(UART_HandleTypeDef *huart)
{
  uint32_t dmarequest = 0x00U;
  /* The Lock is not implemented on this API to allow the user application
     to call the HAL UART API under callbacks HAL_UART_TxCpltCallback() / HAL_UART_RxCpltCallback():
     when calling HAL_DMA_Abort() API the DMA TX/RX Transfer complete interrupt is generated
     and the correspond call back is executed HAL_UART_TxCpltCallback() / HAL_UART_RxCpltCallback()
     */
 
  /* Stop UART DMA Tx request if ongoing */
  dmarequest = HAL_IS_BIT_SET(huart->Instance->CR3, USART_CR3_DMAT);
  if ((huart->gState == HAL_UART_STATE_BUSY_TX) && dmarequest)
  {
    CLEAR_BIT(huart->Instance->CR3, USART_CR3_DMAT);
 
    /* Abort the UART DMA Tx stream */
    if (huart->hdmatx != NULL)
    {
      HAL_DMA_Abort(huart->hdmatx);
    }
    UART_EndTxTransfer(huart);
  }
 
  /* Stop UART DMA Rx request if ongoing */
  dmarequest = HAL_IS_BIT_SET(huart->Instance->CR3, USART_CR3_DMAR);
  if ((huart->RxState == HAL_UART_STATE_BUSY_RX) && dmarequest)
  {
    CLEAR_BIT(huart->Instance->CR3, USART_CR3_DMAR);
 
    /* Abort the UART DMA Rx stream */
    if (huart->hdmarx != NULL)
    {
      HAL_DMA_Abort(huart->hdmarx);
    }
    UART_EndRxTransfer(huart);
  }
 
  return HAL_OK;
}
 
HAL_StatusTypeDef HAL_UART_Abort(UART_HandleTypeDef *huart)
{
  /* Disable TXEIE, TCIE, RXNE, PE and ERR (Frame error, noise error, overrun error) interrupts */
  CLEAR_BIT(huart->Instance->CR1, (USART_CR1_RXNEIE | USART_CR1_PEIE | USART_CR1_TXEIE | USART_CR1_TCIE));
  CLEAR_BIT(huart->Instance->CR3, USART_CR3_EIE);
 
  /* Disable the UART DMA Tx request if enabled */
  if (HAL_IS_BIT_SET(huart->Instance->CR3, USART_CR3_DMAT))
  {
    CLEAR_BIT(huart->Instance->CR3, USART_CR3_DMAT);
 
    /* Abort the UART DMA Tx stream: use blocking DMA Abort API (no callback) */
    if (huart->hdmatx != NULL)
    {
      /* Set the UART DMA Abort callback to Null.
         No call back execution at end of DMA abort procedure */
      huart->hdmatx->XferAbortCallback = NULL;
 
      if (HAL_DMA_Abort(huart->hdmatx) != HAL_OK)
      {
        if (HAL_DMA_GetError(huart->hdmatx) == HAL_DMA_ERROR_TIMEOUT)
        {
          /* Set error code to DMA */
          huart->ErrorCode = HAL_UART_ERROR_DMA;
 
          return HAL_TIMEOUT;
        }
      }
    }
  }
 
  /* Disable the UART DMA Rx request if enabled */
  if (HAL_IS_BIT_SET(huart->Instance->CR3, USART_CR3_DMAR))
  {
    CLEAR_BIT(huart->Instance->CR3, USART_CR3_DMAR);
 
    /* Abort the UART DMA Rx stream: use blocking DMA Abort API (no callback) */
    if (huart->hdmarx != NULL)
    {
      /* Set the UART DMA Abort callback to Null.
         No call back execution at end of DMA abort procedure */
      huart->hdmarx->XferAbortCallback = NULL;
 
      if (HAL_DMA_Abort(huart->hdmarx) != HAL_OK)
      {
        if (HAL_DMA_GetError(huart->hdmarx) == HAL_DMA_ERROR_TIMEOUT)
        {
          /* Set error code to DMA */
          huart->ErrorCode = HAL_UART_ERROR_DMA;
 
          return HAL_TIMEOUT;
        }
      }
    }
  }
 
  /* Reset Tx and Rx transfer counters */
  huart->TxXferCount = 0x00U;
  huart->RxXferCount = 0x00U;
 
  /* Reset ErrorCode */
  huart->ErrorCode = HAL_UART_ERROR_NONE;
 
  /* Restore huart->RxState and huart->gState to Ready */
  huart->RxState = HAL_UART_STATE_READY;
  huart->gState = HAL_UART_STATE_READY;
 
  return HAL_OK;
}
 
HAL_StatusTypeDef HAL_UART_AbortTransmit(UART_HandleTypeDef *huart)
{
  /* Disable TXEIE and TCIE interrupts */
  CLEAR_BIT(huart->Instance->CR1, (USART_CR1_TXEIE | USART_CR1_TCIE));
 
  /* Disable the UART DMA Tx request if enabled */
  if (HAL_IS_BIT_SET(huart->Instance->CR3, USART_CR3_DMAT))
  {
    CLEAR_BIT(huart->Instance->CR3, USART_CR3_DMAT);
 
    /* Abort the UART DMA Tx stream : use blocking DMA Abort API (no callback) */
    if (huart->hdmatx != NULL)
    {
      /* Set the UART DMA Abort callback to Null.
         No call back execution at end of DMA abort procedure */
      huart->hdmatx->XferAbortCallback = NULL;
 
      if (HAL_DMA_Abort(huart->hdmatx) != HAL_OK)
      {
        if (HAL_DMA_GetError(huart->hdmatx) == HAL_DMA_ERROR_TIMEOUT)
        {
          /* Set error code to DMA */
          huart->ErrorCode = HAL_UART_ERROR_DMA;
 
          return HAL_TIMEOUT;
        }
      }
    }
  }
 
  /* Reset Tx transfer counter */
  huart->TxXferCount = 0x00U;
 
  /* Restore huart->gState to Ready */
  huart->gState = HAL_UART_STATE_READY;
 
  return HAL_OK;
}
 
HAL_StatusTypeDef HAL_UART_AbortReceive(UART_HandleTypeDef *huart)
{
  /* Disable RXNE, PE and ERR (Frame error, noise error, overrun error) interrupts */
  CLEAR_BIT(huart->Instance->CR1, (USART_CR1_RXNEIE | USART_CR1_PEIE));
  CLEAR_BIT(huart->Instance->CR3, USART_CR3_EIE);
 
  /* Disable the UART DMA Rx request if enabled */
  if (HAL_IS_BIT_SET(huart->Instance->CR3, USART_CR3_DMAR))
  {
    CLEAR_BIT(huart->Instance->CR3, USART_CR3_DMAR);
 
    /* Abort the UART DMA Rx stream : use blocking DMA Abort API (no callback) */
    if (huart->hdmarx != NULL)
    {
      /* Set the UART DMA Abort callback to Null.
         No call back execution at end of DMA abort procedure */
      huart->hdmarx->XferAbortCallback = NULL;
 
      if (HAL_DMA_Abort(huart->hdmarx) != HAL_OK)
      {
        if (HAL_DMA_GetError(huart->hdmarx) == HAL_DMA_ERROR_TIMEOUT)
        {
          /* Set error code to DMA */
          huart->ErrorCode = HAL_UART_ERROR_DMA;
 
          return HAL_TIMEOUT;
        }
      }
    }
  }
 
  /* Reset Rx transfer counter */
  huart->RxXferCount = 0x00U;
 
  /* Restore huart->RxState to Ready */
  huart->RxState = HAL_UART_STATE_READY;
 
  return HAL_OK;
}
 
HAL_StatusTypeDef HAL_UART_Abort_IT(UART_HandleTypeDef *huart)
{
  uint32_t AbortCplt = 0x01U;
 
  /* Disable TXEIE, TCIE, RXNE, PE and ERR (Frame error, noise error, overrun error) interrupts */
  CLEAR_BIT(huart->Instance->CR1, (USART_CR1_RXNEIE | USART_CR1_PEIE | USART_CR1_TXEIE | USART_CR1_TCIE));
  CLEAR_BIT(huart->Instance->CR3, USART_CR3_EIE);
 
  /* If DMA Tx and/or DMA Rx Handles are associated to UART Handle, DMA Abort complete callbacks should be initialised
     before any call to DMA Abort functions */
  /* DMA Tx Handle is valid */
  if (huart->hdmatx != NULL)
  {
    /* Set DMA Abort Complete callback if UART DMA Tx request if enabled.
       Otherwise, set it to NULL */
    if (HAL_IS_BIT_SET(huart->Instance->CR3, USART_CR3_DMAT))
    {
      huart->hdmatx->XferAbortCallback = UART_DMATxAbortCallback;
    }
    else
    {
      huart->hdmatx->XferAbortCallback = NULL;
    }
  }
  /* DMA Rx Handle is valid */
  if (huart->hdmarx != NULL)
  {
    /* Set DMA Abort Complete callback if UART DMA Rx request if enabled.
       Otherwise, set it to NULL */
    if (HAL_IS_BIT_SET(huart->Instance->CR3, USART_CR3_DMAR))
    {
      huart->hdmarx->XferAbortCallback = UART_DMARxAbortCallback;
    }
    else
    {
      huart->hdmarx->XferAbortCallback = NULL;
    }
  }
 
  /* Disable the UART DMA Tx request if enabled */
  if (HAL_IS_BIT_SET(huart->Instance->CR3, USART_CR3_DMAT))
  {
    /* Disable DMA Tx at UART level */
    CLEAR_BIT(huart->Instance->CR3, USART_CR3_DMAT);
 
    /* Abort the UART DMA Tx stream : use non blocking DMA Abort API (callback) */
    if (huart->hdmatx != NULL)
    {
      /* UART Tx DMA Abort callback has already been initialised :
         will lead to call HAL_UART_AbortCpltCallback() at end of DMA abort procedure */
 
      /* Abort DMA TX */
      if (HAL_DMA_Abort_IT(huart->hdmatx) != HAL_OK)
      {
        huart->hdmatx->XferAbortCallback = NULL;
      }
      else
      {
        AbortCplt = 0x00U;
      }
    }
  }
 
  /* Disable the UART DMA Rx request if enabled */
  if (HAL_IS_BIT_SET(huart->Instance->CR3, USART_CR3_DMAR))
  {
    CLEAR_BIT(huart->Instance->CR3, USART_CR3_DMAR);
 
    /* Abort the UART DMA Rx stream : use non blocking DMA Abort API (callback) */
    if (huart->hdmarx != NULL)
    {
      /* UART Rx DMA Abort callback has already been initialised :
         will lead to call HAL_UART_AbortCpltCallback() at end of DMA abort procedure */
 
      /* Abort DMA RX */
      if (HAL_DMA_Abort_IT(huart->hdmarx) != HAL_OK)
      {
        huart->hdmarx->XferAbortCallback = NULL;
        AbortCplt = 0x01U;
      }
      else
      {
        AbortCplt = 0x00U;
      }
    }
  }
 
  /* if no DMA abort complete callback execution is required => call user Abort Complete callback */
  if (AbortCplt == 0x01U)
  {
    /* Reset Tx and Rx transfer counters */
    huart->TxXferCount = 0x00U;
    huart->RxXferCount = 0x00U;
 
    /* Reset ErrorCode */
    huart->ErrorCode = HAL_UART_ERROR_NONE;
 
    /* Restore huart->gState and huart->RxState to Ready */
    huart->gState  = HAL_UART_STATE_READY;
    huart->RxState = HAL_UART_STATE_READY;
 
    /* As no DMA to be aborted, call directly user Abort complete callback */
#if (USE_HAL_UART_REGISTER_CALLBACKS == 1)
    /* Call registered Abort complete callback */
    huart->AbortCpltCallback(huart);
#else
    /* Call legacy weak Abort complete callback */
    HAL_UART_AbortCpltCallback(huart);
#endif /* USE_HAL_UART_REGISTER_CALLBACKS */
  }
 
  return HAL_OK;
}
 
HAL_StatusTypeDef HAL_UART_AbortTransmit_IT(UART_HandleTypeDef *huart)
{
  /* Disable TXEIE and TCIE interrupts */
  CLEAR_BIT(huart->Instance->CR1, (USART_CR1_TXEIE | USART_CR1_TCIE));
 
  /* Disable the UART DMA Tx request if enabled */
  if (HAL_IS_BIT_SET(huart->Instance->CR3, USART_CR3_DMAT))
  {
    CLEAR_BIT(huart->Instance->CR3, USART_CR3_DMAT);
 
    /* Abort the UART DMA Tx stream : use blocking DMA Abort API (no callback) */
    if (huart->hdmatx != NULL)
    {
      /* Set the UART DMA Abort callback :
         will lead to call HAL_UART_AbortCpltCallback() at end of DMA abort procedure */
      huart->hdmatx->XferAbortCallback = UART_DMATxOnlyAbortCallback;
 
      /* Abort DMA TX */
      if (HAL_DMA_Abort_IT(huart->hdmatx) != HAL_OK)
      {
        /* Call Directly huart->hdmatx->XferAbortCallback function in case of error */
        huart->hdmatx->XferAbortCallback(huart->hdmatx);
      }
    }
    else
    {
      /* Reset Tx transfer counter */
      huart->TxXferCount = 0x00U;
 
      /* Restore huart->gState to Ready */
      huart->gState = HAL_UART_STATE_READY;
 
      /* As no DMA to be aborted, call directly user Abort complete callback */
#if (USE_HAL_UART_REGISTER_CALLBACKS == 1)
      /* Call registered Abort Transmit Complete Callback */
      huart->AbortTransmitCpltCallback(huart);
#else
      /* Call legacy weak Abort Transmit Complete Callback */
      HAL_UART_AbortTransmitCpltCallback(huart);
#endif /* USE_HAL_UART_REGISTER_CALLBACKS */
    }
  }
  else
  {
    /* Reset Tx transfer counter */
    huart->TxXferCount = 0x00U;
 
    /* Restore huart->gState to Ready */
    huart->gState = HAL_UART_STATE_READY;
 
    /* As no DMA to be aborted, call directly user Abort complete callback */
#if (USE_HAL_UART_REGISTER_CALLBACKS == 1)
    /* Call registered Abort Transmit Complete Callback */
    huart->AbortTransmitCpltCallback(huart);
#else
    /* Call legacy weak Abort Transmit Complete Callback */
    HAL_UART_AbortTransmitCpltCallback(huart);
#endif /* USE_HAL_UART_REGISTER_CALLBACKS */
  }
 
  return HAL_OK;
}
 
HAL_StatusTypeDef HAL_UART_AbortReceive_IT(UART_HandleTypeDef *huart)
{
  /* Disable RXNE, PE and ERR (Frame error, noise error, overrun error) interrupts */
  CLEAR_BIT(huart->Instance->CR1, (USART_CR1_RXNEIE | USART_CR1_PEIE));
  CLEAR_BIT(huart->Instance->CR3, USART_CR3_EIE);
 
  /* Disable the UART DMA Rx request if enabled */
  if (HAL_IS_BIT_SET(huart->Instance->CR3, USART_CR3_DMAR))
  {
    CLEAR_BIT(huart->Instance->CR3, USART_CR3_DMAR);
 
    /* Abort the UART DMA Rx stream : use blocking DMA Abort API (no callback) */
    if (huart->hdmarx != NULL)
    {
      /* Set the UART DMA Abort callback :
         will lead to call HAL_UART_AbortCpltCallback() at end of DMA abort procedure */
      huart->hdmarx->XferAbortCallback = UART_DMARxOnlyAbortCallback;
 
      /* Abort DMA RX */
      if (HAL_DMA_Abort_IT(huart->hdmarx) != HAL_OK)
      {
        /* Call Directly huart->hdmarx->XferAbortCallback function in case of error */
        huart->hdmarx->XferAbortCallback(huart->hdmarx);
      }
    }
    else
    {
      /* Reset Rx transfer counter */
      huart->RxXferCount = 0x00U;
 
      /* Restore huart->RxState to Ready */
      huart->RxState = HAL_UART_STATE_READY;
 
      /* As no DMA to be aborted, call directly user Abort complete callback */
#if (USE_HAL_UART_REGISTER_CALLBACKS == 1)
      /* Call registered Abort Receive Complete Callback */
      huart->AbortReceiveCpltCallback(huart);
#else
      /* Call legacy weak Abort Receive Complete Callback */
      HAL_UART_AbortReceiveCpltCallback(huart);
#endif /* USE_HAL_UART_REGISTER_CALLBACKS */
    }
  }
  else
  {
    /* Reset Rx transfer counter */
    huart->RxXferCount = 0x00U;
 
    /* Restore huart->RxState to Ready */
    huart->RxState = HAL_UART_STATE_READY;
 
    /* As no DMA to be aborted, call directly user Abort complete callback */
#if (USE_HAL_UART_REGISTER_CALLBACKS == 1)
    /* Call registered Abort Receive Complete Callback */
    huart->AbortReceiveCpltCallback(huart);
#else
    /* Call legacy weak Abort Receive Complete Callback */
    HAL_UART_AbortReceiveCpltCallback(huart);
#endif /* USE_HAL_UART_REGISTER_CALLBACKS */
  }
 
  return HAL_OK;
}
 
void HAL_UART_IRQHandler(UART_HandleTypeDef *huart)
{
  uint32_t isrflags   = READ_REG(huart->Instance->SR);
  uint32_t cr1its     = READ_REG(huart->Instance->CR1);
  uint32_t cr3its     = READ_REG(huart->Instance->CR3);
  uint32_t errorflags = 0x00U;
  uint32_t dmarequest = 0x00U;
 
  /* If no error occurs */
  errorflags = (isrflags & (uint32_t)(USART_SR_PE | USART_SR_FE | USART_SR_ORE | USART_SR_NE));
  if (errorflags == RESET)
  {
    /* UART in mode Receiver -------------------------------------------------*/
    if (((isrflags & USART_SR_RXNE) != RESET) && ((cr1its & USART_CR1_RXNEIE) != RESET))
    {
      UART_Receive_IT(huart);
      return;
    }
  }
 
  /* If some errors occur */
  if ((errorflags != RESET) && (((cr3its & USART_CR3_EIE) != RESET) || ((cr1its & (USART_CR1_RXNEIE | USART_CR1_PEIE)) != RESET)))
  {
    /* UART parity error interrupt occurred ----------------------------------*/
    if (((isrflags & USART_SR_PE) != RESET) && ((cr1its & USART_CR1_PEIE) != RESET))
    {
      huart->ErrorCode |= HAL_UART_ERROR_PE;
    }
 
    /* UART noise error interrupt occurred -----------------------------------*/
    if (((isrflags & USART_SR_NE) != RESET) && ((cr3its & USART_CR3_EIE) != RESET))
    {
      huart->ErrorCode |= HAL_UART_ERROR_NE;
    }
 
    /* UART frame error interrupt occurred -----------------------------------*/
    if (((isrflags & USART_SR_FE) != RESET) && ((cr3its & USART_CR3_EIE) != RESET))
    {
      huart->ErrorCode |= HAL_UART_ERROR_FE;
    }
 
    /* UART Over-Run interrupt occurred --------------------------------------*/
    if (((isrflags & USART_SR_ORE) != RESET) && (((cr1its & USART_CR1_RXNEIE) != RESET) || ((cr3its & USART_CR3_EIE) != RESET)))
    {
      huart->ErrorCode |= HAL_UART_ERROR_ORE;
    }
 
    /* Call UART Error Call back function if need be --------------------------*/
    if (huart->ErrorCode != HAL_UART_ERROR_NONE)
    {
      /* UART in mode Receiver -----------------------------------------------*/
      if (((isrflags & USART_SR_RXNE) != RESET) && ((cr1its & USART_CR1_RXNEIE) != RESET))
      {
        UART_Receive_IT(huart);
      }
 
      /* If Overrun error occurs, or if any error occurs in DMA mode reception,
         consider error as blocking */
      dmarequest = HAL_IS_BIT_SET(huart->Instance->CR3, USART_CR3_DMAR);
      if (((huart->ErrorCode & HAL_UART_ERROR_ORE) != RESET) || dmarequest)
      {
        /* Blocking error : transfer is aborted
           Set the UART state ready to be able to start again the process,
           Disable Rx Interrupts, and disable Rx DMA request, if ongoing */
        UART_EndRxTransfer(huart);
 
        /* Disable the UART DMA Rx request if enabled */
        if (HAL_IS_BIT_SET(huart->Instance->CR3, USART_CR3_DMAR))
        {
          CLEAR_BIT(huart->Instance->CR3, USART_CR3_DMAR);
 
          /* Abort the UART DMA Rx stream */
          if (huart->hdmarx != NULL)
          {
            /* Set the UART DMA Abort callback :
               will lead to call HAL_UART_ErrorCallback() at end of DMA abort procedure */
            huart->hdmarx->XferAbortCallback = UART_DMAAbortOnError;
            if (HAL_DMA_Abort_IT(huart->hdmarx) != HAL_OK)
            {
              /* Call Directly XferAbortCallback function in case of error */
              huart->hdmarx->XferAbortCallback(huart->hdmarx);
            }
          }
          else
          {
            /* Call user error callback */
#if (USE_HAL_UART_REGISTER_CALLBACKS == 1)
            /*Call registered error callback*/
            huart->ErrorCallback(huart);
#else
            /*Call legacy weak error callback*/
            HAL_UART_ErrorCallback(huart);
#endif /* USE_HAL_UART_REGISTER_CALLBACKS */
          }
        }
        else
        {
          /* Call user error callback */
#if (USE_HAL_UART_REGISTER_CALLBACKS == 1)
          /*Call registered error callback*/
          huart->ErrorCallback(huart);
#else
          /*Call legacy weak error callback*/
          HAL_UART_ErrorCallback(huart);
#endif /* USE_HAL_UART_REGISTER_CALLBACKS */
        }
      }
      else
      {
        /* Non Blocking error : transfer could go on.
           Error is notified to user through user error callback */
#if (USE_HAL_UART_REGISTER_CALLBACKS == 1)
        /*Call registered error callback*/
        huart->ErrorCallback(huart);
#else
        /*Call legacy weak error callback*/
        HAL_UART_ErrorCallback(huart);
#endif /* USE_HAL_UART_REGISTER_CALLBACKS */
 
        huart->ErrorCode = HAL_UART_ERROR_NONE;
      }
    }
    return;
  } /* End if some error occurs */
 
  /* UART in mode Transmitter ------------------------------------------------*/
  if (((isrflags & USART_SR_TXE) != RESET) && ((cr1its & USART_CR1_TXEIE) != RESET))
  {
    UART_Transmit_IT(huart);
    return;
  }
 
  /* UART in mode Transmitter end --------------------------------------------*/
  if (((isrflags & USART_SR_TC) != RESET) && ((cr1its & USART_CR1_TCIE) != RESET))
  {
    UART_EndTransmit_IT(huart);
    return;
  }
}
 
__weak void HAL_UART_TxCpltCallback(UART_HandleTypeDef *huart)
{
  /* Prevent unused argument(s) compilation warning */
  UNUSED(huart);
  /* NOTE: This function should not be modified, when the callback is needed,
           the HAL_UART_TxCpltCallback could be implemented in the user file
   */
}
 
__weak void HAL_UART_TxHalfCpltCallback(UART_HandleTypeDef *huart)
{
  /* Prevent unused argument(s) compilation warning */
  UNUSED(huart);
  /* NOTE: This function should not be modified, when the callback is needed,
           the HAL_UART_TxHalfCpltCallback could be implemented in the user file
   */
}
 
__weak void HAL_UART_RxCpltCallback(UART_HandleTypeDef *huart)
{
  /* Prevent unused argument(s) compilation warning */
  UNUSED(huart);
  /* NOTE: This function should not be modified, when the callback is needed,
           the HAL_UART_RxCpltCallback could be implemented in the user file
   */
}
 
__weak void HAL_UART_RxHalfCpltCallback(UART_HandleTypeDef *huart)
{
  /* Prevent unused argument(s) compilation warning */
  UNUSED(huart);
  /* NOTE: This function should not be modified, when the callback is needed,
           the HAL_UART_RxHalfCpltCallback could be implemented in the user file
   */
}
 
__weak void HAL_UART_ErrorCallback(UART_HandleTypeDef *huart)
{
  /* Prevent unused argument(s) compilation warning */
  UNUSED(huart);
  /* NOTE: This function should not be modified, when the callback is needed,
           the HAL_UART_ErrorCallback could be implemented in the user file
   */
}
 
__weak void HAL_UART_AbortCpltCallback(UART_HandleTypeDef *huart)
{
  /* Prevent unused argument(s) compilation warning */
  UNUSED(huart);
 
  /* NOTE : This function should not be modified, when the callback is needed,
            the HAL_UART_AbortCpltCallback can be implemented in the user file.
   */
}
 
__weak void HAL_UART_AbortTransmitCpltCallback(UART_HandleTypeDef *huart)
{
  /* Prevent unused argument(s) compilation warning */
  UNUSED(huart);
 
  /* NOTE : This function should not be modified, when the callback is needed,
            the HAL_UART_AbortTransmitCpltCallback can be implemented in the user file.
   */
}
 
__weak void HAL_UART_AbortReceiveCpltCallback(UART_HandleTypeDef *huart)
{
  /* Prevent unused argument(s) compilation warning */
  UNUSED(huart);
 
  /* NOTE : This function should not be modified, when the callback is needed,
            the HAL_UART_AbortReceiveCpltCallback can be implemented in the user file.
   */
}
 
HAL_StatusTypeDef HAL_LIN_SendBreak(UART_HandleTypeDef *huart)
{
  /* Check the parameters */
  assert_param(IS_UART_INSTANCE(huart->Instance));
 
  /* Process Locked */
  __HAL_LOCK(huart);
 
  huart->gState = HAL_UART_STATE_BUSY;
 
  /* Send break characters */
  SET_BIT(huart->Instance->CR1, USART_CR1_SBK);
 
  huart->gState = HAL_UART_STATE_READY;
 
  /* Process Unlocked */
  __HAL_UNLOCK(huart);
 
  return HAL_OK;
}
 
HAL_StatusTypeDef HAL_MultiProcessor_EnterMuteMode(UART_HandleTypeDef *huart)
{
  /* Check the parameters */
  assert_param(IS_UART_INSTANCE(huart->Instance));
 
  /* Process Locked */
  __HAL_LOCK(huart);
 
  huart->gState = HAL_UART_STATE_BUSY;
 
  /* Enable the USART mute mode  by setting the RWU bit in the CR1 register */
  SET_BIT(huart->Instance->CR1, USART_CR1_RWU);
 
  huart->gState = HAL_UART_STATE_READY;
 
  /* Process Unlocked */
  __HAL_UNLOCK(huart);
 
  return HAL_OK;
}
 
HAL_StatusTypeDef HAL_MultiProcessor_ExitMuteMode(UART_HandleTypeDef *huart)
{
  /* Check the parameters */
  assert_param(IS_UART_INSTANCE(huart->Instance));
 
  /* Process Locked */
  __HAL_LOCK(huart);
 
  huart->gState = HAL_UART_STATE_BUSY;
 
  /* Disable the USART mute mode by clearing the RWU bit in the CR1 register */
  CLEAR_BIT(huart->Instance->CR1, USART_CR1_RWU);
 
  huart->gState = HAL_UART_STATE_READY;
 
  /* Process Unlocked */
  __HAL_UNLOCK(huart);
 
  return HAL_OK;
}
 
HAL_StatusTypeDef HAL_HalfDuplex_EnableTransmitter(UART_HandleTypeDef *huart)
{
  uint32_t tmpreg = 0x00U;
 
  /* Process Locked */
  __HAL_LOCK(huart);
 
  huart->gState = HAL_UART_STATE_BUSY;
 
  /*-------------------------- USART CR1 Configuration -----------------------*/
  tmpreg = huart->Instance->CR1;
 
  /* Clear TE and RE bits */
  tmpreg &= (uint32_t)~((uint32_t)(USART_CR1_TE | USART_CR1_RE));
 
  /* Enable the USART's transmit interface by setting the TE bit in the USART CR1 register */
  tmpreg |= (uint32_t)USART_CR1_TE;
 
  /* Write to USART CR1 */
  WRITE_REG(huart->Instance->CR1, (uint32_t)tmpreg);
 
  huart->gState = HAL_UART_STATE_READY;
 
  /* Process Unlocked */
  __HAL_UNLOCK(huart);
 
  return HAL_OK;
}
 
HAL_StatusTypeDef HAL_HalfDuplex_EnableReceiver(UART_HandleTypeDef *huart)
{
  uint32_t tmpreg = 0x00U;
 
  /* Process Locked */
  __HAL_LOCK(huart);
 
  huart->gState = HAL_UART_STATE_BUSY;
 
  /*-------------------------- USART CR1 Configuration -----------------------*/
  tmpreg = huart->Instance->CR1;
 
  /* Clear TE and RE bits */
  tmpreg &= (uint32_t)~((uint32_t)(USART_CR1_TE | USART_CR1_RE));
 
  /* Enable the USART's receive interface by setting the RE bit in the USART CR1 register */
  tmpreg |= (uint32_t)USART_CR1_RE;
 
  /* Write to USART CR1 */
  WRITE_REG(huart->Instance->CR1, (uint32_t)tmpreg);
 
  huart->gState = HAL_UART_STATE_READY;
 
  /* Process Unlocked */
  __HAL_UNLOCK(huart);
 
  return HAL_OK;
}
 
HAL_UART_StateTypeDef HAL_UART_GetState(UART_HandleTypeDef *huart)
{
  uint32_t temp1 = 0x00U, temp2 = 0x00U;
  temp1 = huart->gState;
  temp2 = huart->RxState;
 
  return (HAL_UART_StateTypeDef)(temp1 | temp2);
}
 
uint32_t HAL_UART_GetError(UART_HandleTypeDef *huart)
{
  return huart->ErrorCode;
}
 
#if (USE_HAL_UART_REGISTER_CALLBACKS == 1)
void UART_InitCallbacksToDefault(UART_HandleTypeDef *huart)
{
  /* Init the UART Callback settings */
  huart->TxHalfCpltCallback        = HAL_UART_TxHalfCpltCallback;        /* Legacy weak TxHalfCpltCallback        */
  huart->TxCpltCallback            = HAL_UART_TxCpltCallback;            /* Legacy weak TxCpltCallback            */
  huart->RxHalfCpltCallback        = HAL_UART_RxHalfCpltCallback;        /* Legacy weak RxHalfCpltCallback        */
  huart->RxCpltCallback            = HAL_UART_RxCpltCallback;            /* Legacy weak RxCpltCallback            */
  huart->ErrorCallback             = HAL_UART_ErrorCallback;             /* Legacy weak ErrorCallback             */
  huart->AbortCpltCallback         = HAL_UART_AbortCpltCallback;         /* Legacy weak AbortCpltCallback         */
  huart->AbortTransmitCpltCallback = HAL_UART_AbortTransmitCpltCallback; /* Legacy weak AbortTransmitCpltCallback */
  huart->AbortReceiveCpltCallback  = HAL_UART_AbortReceiveCpltCallback;  /* Legacy weak AbortReceiveCpltCallback  */
 
}
#endif /* USE_HAL_UART_REGISTER_CALLBACKS */
 
static void UART_DMATransmitCplt(DMA_HandleTypeDef *hdma)
{
  UART_HandleTypeDef *huart = (UART_HandleTypeDef *)((DMA_HandleTypeDef *)hdma)->Parent;
  /* DMA Normal mode*/
  if ((hdma->Instance->CR & DMA_SxCR_CIRC) == 0U)
  {
    huart->TxXferCount = 0x00U;
 
    /* Disable the DMA transfer for transmit request by setting the DMAT bit
       in the UART CR3 register */
    CLEAR_BIT(huart->Instance->CR3, USART_CR3_DMAT);
 
    /* Enable the UART Transmit Complete Interrupt */
    SET_BIT(huart->Instance->CR1, USART_CR1_TCIE);
 
  }
  /* DMA Circular mode */
  else
  {
#if (USE_HAL_UART_REGISTER_CALLBACKS == 1)
    /*Call registered Tx complete callback*/
    huart->TxCpltCallback(huart);
#else
    /*Call legacy weak Tx complete callback*/
    HAL_UART_TxCpltCallback(huart);
#endif /* USE_HAL_UART_REGISTER_CALLBACKS */
  }
}
 
static void UART_DMATxHalfCplt(DMA_HandleTypeDef *hdma)
{
  UART_HandleTypeDef *huart = (UART_HandleTypeDef *)((DMA_HandleTypeDef *)hdma)->Parent;
 
#if (USE_HAL_UART_REGISTER_CALLBACKS == 1)
  /*Call registered Tx complete callback*/
  huart->TxHalfCpltCallback(huart);
#else
  /*Call legacy weak Tx complete callback*/
  HAL_UART_TxHalfCpltCallback(huart);
#endif /* USE_HAL_UART_REGISTER_CALLBACKS */
}
 
static void UART_DMAReceiveCplt(DMA_HandleTypeDef *hdma)
{
  UART_HandleTypeDef *huart = (UART_HandleTypeDef *)((DMA_HandleTypeDef *)hdma)->Parent;
  /* DMA Normal mode*/
  if ((hdma->Instance->CR & DMA_SxCR_CIRC) == 0U)
  {
    huart->RxXferCount = 0U;
 
    /* Disable RXNE, PE and ERR (Frame error, noise error, overrun error) interrupts */
    CLEAR_BIT(huart->Instance->CR1, USART_CR1_PEIE);
    CLEAR_BIT(huart->Instance->CR3, USART_CR3_EIE);
 
    /* Disable the DMA transfer for the receiver request by setting the DMAR bit
       in the UART CR3 register */
    CLEAR_BIT(huart->Instance->CR3, USART_CR3_DMAR);
 
    /* At end of Rx process, restore huart->RxState to Ready */
    huart->RxState = HAL_UART_STATE_READY;
  }
#if (USE_HAL_UART_REGISTER_CALLBACKS == 1)
  /*Call registered Rx complete callback*/
  huart->RxCpltCallback(huart);
#else
  /*Call legacy weak Rx complete callback*/
  HAL_UART_RxCpltCallback(huart);
#endif /* USE_HAL_UART_REGISTER_CALLBACKS */
}
 
static void UART_DMARxHalfCplt(DMA_HandleTypeDef *hdma)
{
  UART_HandleTypeDef *huart = (UART_HandleTypeDef *)((DMA_HandleTypeDef *)hdma)->Parent;
 
#if (USE_HAL_UART_REGISTER_CALLBACKS == 1)
  /*Call registered Rx Half complete callback*/
  huart->RxHalfCpltCallback(huart);
#else
  /*Call legacy weak Rx Half complete callback*/
  HAL_UART_RxHalfCpltCallback(huart);
#endif /* USE_HAL_UART_REGISTER_CALLBACKS */
}
 
static void UART_DMAError(DMA_HandleTypeDef *hdma)
{
  uint32_t dmarequest = 0x00U;
  UART_HandleTypeDef *huart = (UART_HandleTypeDef *)((DMA_HandleTypeDef *)hdma)->Parent;
 
  /* Stop UART DMA Tx request if ongoing */
  dmarequest = HAL_IS_BIT_SET(huart->Instance->CR3, USART_CR3_DMAT);
  if ((huart->gState == HAL_UART_STATE_BUSY_TX) && dmarequest)
  {
    huart->TxXferCount = 0x00U;
    UART_EndTxTransfer(huart);
  }
 
  /* Stop UART DMA Rx request if ongoing */
  dmarequest = HAL_IS_BIT_SET(huart->Instance->CR3, USART_CR3_DMAR);
  if ((huart->RxState == HAL_UART_STATE_BUSY_RX) && dmarequest)
  {
    huart->RxXferCount = 0x00U;
    UART_EndRxTransfer(huart);
  }
 
  huart->ErrorCode |= HAL_UART_ERROR_DMA;
#if (USE_HAL_UART_REGISTER_CALLBACKS == 1)
  /*Call registered error callback*/
  huart->ErrorCallback(huart);
#else
  /*Call legacy weak error callback*/
  HAL_UART_ErrorCallback(huart);
#endif /* USE_HAL_UART_REGISTER_CALLBACKS */
}
 
static HAL_StatusTypeDef UART_WaitOnFlagUntilTimeout(UART_HandleTypeDef *huart, uint32_t Flag, FlagStatus Status, uint32_t Tickstart, uint32_t Timeout)
{
  /* Wait until flag is set */
  while ((__HAL_UART_GET_FLAG(huart, Flag) ? SET : RESET) == Status)
  {
    /* Check for the Timeout */
    if (Timeout != HAL_MAX_DELAY)
    {
      if ((Timeout == 0U) || ((HAL_GetTick() - Tickstart) > Timeout))
      {
        /* Disable TXE, RXNE, PE and ERR (Frame error, noise error, overrun error) interrupts for the interrupt process */
        CLEAR_BIT(huart->Instance->CR1, (USART_CR1_RXNEIE | USART_CR1_PEIE | USART_CR1_TXEIE));
        CLEAR_BIT(huart->Instance->CR3, USART_CR3_EIE);
 
        huart->gState  = HAL_UART_STATE_READY;
        huart->RxState = HAL_UART_STATE_READY;
 
        /* Process Unlocked */
        __HAL_UNLOCK(huart);
 
        return HAL_TIMEOUT;
      }
    }
  }
  return HAL_OK;
}
 
static void UART_EndTxTransfer(UART_HandleTypeDef *huart)
{
  /* Disable TXEIE and TCIE interrupts */
  CLEAR_BIT(huart->Instance->CR1, (USART_CR1_TXEIE | USART_CR1_TCIE));
 
  /* At end of Tx process, restore huart->gState to Ready */
  huart->gState = HAL_UART_STATE_READY;
}
 
static void UART_EndRxTransfer(UART_HandleTypeDef *huart)
{
  /* Disable RXNE, PE and ERR (Frame error, noise error, overrun error) interrupts */
  CLEAR_BIT(huart->Instance->CR1, (USART_CR1_RXNEIE | USART_CR1_PEIE));
  CLEAR_BIT(huart->Instance->CR3, USART_CR3_EIE);
 
  /* At end of Rx process, restore huart->RxState to Ready */
  huart->RxState = HAL_UART_STATE_READY;
}
 
static void UART_DMAAbortOnError(DMA_HandleTypeDef *hdma)
{
  UART_HandleTypeDef *huart = (UART_HandleTypeDef *)((DMA_HandleTypeDef *)hdma)->Parent;
  huart->RxXferCount = 0x00U;
  huart->TxXferCount = 0x00U;
 
#if (USE_HAL_UART_REGISTER_CALLBACKS == 1)
  /*Call registered error callback*/
  huart->ErrorCallback(huart);
#else
  /*Call legacy weak error callback*/
  HAL_UART_ErrorCallback(huart);
#endif /* USE_HAL_UART_REGISTER_CALLBACKS */
}
 
static void UART_DMATxAbortCallback(DMA_HandleTypeDef *hdma)
{
  UART_HandleTypeDef *huart = (UART_HandleTypeDef *)((DMA_HandleTypeDef *)hdma)->Parent;
 
  huart->hdmatx->XferAbortCallback = NULL;
 
  /* Check if an Abort process is still ongoing */
  if (huart->hdmarx != NULL)
  {
    if (huart->hdmarx->XferAbortCallback != NULL)
    {
      return;
    }
  }
 
  /* No Abort process still ongoing : All DMA channels are aborted, call user Abort Complete callback */
  huart->TxXferCount = 0x00U;
  huart->RxXferCount = 0x00U;
 
  /* Reset ErrorCode */
  huart->ErrorCode = HAL_UART_ERROR_NONE;
 
  /* Restore huart->gState and huart->RxState to Ready */
  huart->gState  = HAL_UART_STATE_READY;
  huart->RxState = HAL_UART_STATE_READY;
 
  /* Call user Abort complete callback */
#if (USE_HAL_UART_REGISTER_CALLBACKS == 1)
  /* Call registered Abort complete callback */
  huart->AbortCpltCallback(huart);
#else
  /* Call legacy weak Abort complete callback */
  HAL_UART_AbortCpltCallback(huart);
#endif /* USE_HAL_UART_REGISTER_CALLBACKS */
}
 
static void UART_DMARxAbortCallback(DMA_HandleTypeDef *hdma)
{
  UART_HandleTypeDef *huart = (UART_HandleTypeDef *)((DMA_HandleTypeDef *)hdma)->Parent;
 
  huart->hdmarx->XferAbortCallback = NULL;
 
  /* Check if an Abort process is still ongoing */
  if (huart->hdmatx != NULL)
  {
    if (huart->hdmatx->XferAbortCallback != NULL)
    {
      return;
    }
  }
 
  /* No Abort process still ongoing : All DMA channels are aborted, call user Abort Complete callback */
  huart->TxXferCount = 0x00U;
  huart->RxXferCount = 0x00U;
 
  /* Reset ErrorCode */
  huart->ErrorCode = HAL_UART_ERROR_NONE;
 
  /* Restore huart->gState and huart->RxState to Ready */
  huart->gState  = HAL_UART_STATE_READY;
  huart->RxState = HAL_UART_STATE_READY;
 
  /* Call user Abort complete callback */
#if (USE_HAL_UART_REGISTER_CALLBACKS == 1)
  /* Call registered Abort complete callback */
  huart->AbortCpltCallback(huart);
#else
  /* Call legacy weak Abort complete callback */
  HAL_UART_AbortCpltCallback(huart);
#endif /* USE_HAL_UART_REGISTER_CALLBACKS */
}
 
static void UART_DMATxOnlyAbortCallback(DMA_HandleTypeDef *hdma)
{
  UART_HandleTypeDef *huart = (UART_HandleTypeDef *)((DMA_HandleTypeDef *)hdma)->Parent;
 
  huart->TxXferCount = 0x00U;
 
  /* Restore huart->gState to Ready */
  huart->gState = HAL_UART_STATE_READY;
 
  /* Call user Abort complete callback */
#if (USE_HAL_UART_REGISTER_CALLBACKS == 1)
  /* Call registered Abort Transmit Complete Callback */
  huart->AbortTransmitCpltCallback(huart);
#else
  /* Call legacy weak Abort Transmit Complete Callback */
  HAL_UART_AbortTransmitCpltCallback(huart);
#endif /* USE_HAL_UART_REGISTER_CALLBACKS */
}
 
static void UART_DMARxOnlyAbortCallback(DMA_HandleTypeDef *hdma)
{
  UART_HandleTypeDef *huart = (UART_HandleTypeDef *)((DMA_HandleTypeDef *)hdma)->Parent;
 
  huart->RxXferCount = 0x00U;
 
  /* Restore huart->RxState to Ready */
  huart->RxState = HAL_UART_STATE_READY;
 
  /* Call user Abort complete callback */
#if (USE_HAL_UART_REGISTER_CALLBACKS == 1)
  /* Call registered Abort Receive Complete Callback */
  huart->AbortReceiveCpltCallback(huart);
#else
  /* Call legacy weak Abort Receive Complete Callback */
  HAL_UART_AbortReceiveCpltCallback(huart);
#endif /* USE_HAL_UART_REGISTER_CALLBACKS */
}
 
static HAL_StatusTypeDef UART_Transmit_IT(UART_HandleTypeDef *huart)
{
  uint16_t *tmp;
 
  /* Check that a Tx process is ongoing */
  if (huart->gState == HAL_UART_STATE_BUSY_TX)
  {
    if (huart->Init.WordLength == UART_WORDLENGTH_9B)
    {
      tmp = (uint16_t *) huart->pTxBuffPtr;
      huart->Instance->DR = (uint16_t)(*tmp & (uint16_t)0x01FF);
      if (huart->Init.Parity == UART_PARITY_NONE)
      {
        huart->pTxBuffPtr += 2U;
      }
      else
      {
        huart->pTxBuffPtr += 1U;
      }
    }
    else
    {
      huart->Instance->DR = (uint8_t)(*huart->pTxBuffPtr++ & (uint8_t)0x00FF);
    }
 
    if (--huart->TxXferCount == 0U)
    {
      /* Disable the UART Transmit Complete Interrupt */
      __HAL_UART_DISABLE_IT(huart, UART_IT_TXE);
 
      /* Enable the UART Transmit Complete Interrupt */
      __HAL_UART_ENABLE_IT(huart, UART_IT_TC);
    }
    return HAL_OK;
  }
  else
  {
    return HAL_BUSY;
  }
}
 
static HAL_StatusTypeDef UART_EndTransmit_IT(UART_HandleTypeDef *huart)
{
  /* Disable the UART Transmit Complete Interrupt */
  __HAL_UART_DISABLE_IT(huart, UART_IT_TC);
 
  /* Tx process is ended, restore huart->gState to Ready */
  huart->gState = HAL_UART_STATE_READY;
 
#if (USE_HAL_UART_REGISTER_CALLBACKS == 1)
  /*Call registered Tx complete callback*/
  huart->TxCpltCallback(huart);
#else
  /*Call legacy weak Tx complete callback*/
  HAL_UART_TxCpltCallback(huart);
#endif /* USE_HAL_UART_REGISTER_CALLBACKS */
 
  return HAL_OK;
}
 
static HAL_StatusTypeDef UART_Receive_IT(UART_HandleTypeDef *huart)
{
  uint16_t *tmp;
 
  /* Check that a Rx process is ongoing */
  if (huart->RxState == HAL_UART_STATE_BUSY_RX)
  {
    if (huart->Init.WordLength == UART_WORDLENGTH_9B)
    {
      tmp = (uint16_t *) huart->pRxBuffPtr;
      if (huart->Init.Parity == UART_PARITY_NONE)
      {
        *tmp = (uint16_t)(huart->Instance->DR & (uint16_t)0x01FF);
        huart->pRxBuffPtr += 2U;
      }
      else
      {
        *tmp = (uint16_t)(huart->Instance->DR & (uint16_t)0x00FF);
        huart->pRxBuffPtr += 1U;
      }
    }
    else
    {
      if (huart->Init.Parity == UART_PARITY_NONE)
      {
        *huart->pRxBuffPtr++ = (uint8_t)(huart->Instance->DR & (uint8_t)0x00FF);
      }
      else
      {
        *huart->pRxBuffPtr++ = (uint8_t)(huart->Instance->DR & (uint8_t)0x007F);
      }
    }
 
    if (--huart->RxXferCount == 0U)
    {
      /* Disable the UART Data Register not empty Interrupt */
      __HAL_UART_DISABLE_IT(huart, UART_IT_RXNE);
 
      /* Disable the UART Parity Error Interrupt */
      __HAL_UART_DISABLE_IT(huart, UART_IT_PE);
 
      /* Disable the UART Error Interrupt: (Frame error, noise error, overrun error) */
      __HAL_UART_DISABLE_IT(huart, UART_IT_ERR);
 
      /* Rx process is completed, restore huart->RxState to Ready */
      huart->RxState = HAL_UART_STATE_READY;
 
#if (USE_HAL_UART_REGISTER_CALLBACKS == 1)
      /*Call registered Rx complete callback*/
      huart->RxCpltCallback(huart);
#else
      /*Call legacy weak Rx complete callback*/
      HAL_UART_RxCpltCallback(huart);
#endif /* USE_HAL_UART_REGISTER_CALLBACKS */
 
      return HAL_OK;
    }
    return HAL_OK;
  }
  else
  {
    return HAL_BUSY;
  }
}
 
static void UART_SetConfig(UART_HandleTypeDef *huart)
{
  uint32_t tmpreg;
  uint32_t pclk;
 
  /* Check the parameters */
  assert_param(IS_UART_BAUDRATE(huart->Init.BaudRate));
  assert_param(IS_UART_STOPBITS(huart->Init.StopBits));
  assert_param(IS_UART_PARITY(huart->Init.Parity));
  assert_param(IS_UART_MODE(huart->Init.Mode));
 
  /*-------------------------- USART CR2 Configuration -----------------------*/
  /* Configure the UART Stop Bits: Set STOP[13:12] bits
     according to huart->Init.StopBits value */
  MODIFY_REG(huart->Instance->CR2, USART_CR2_STOP, huart->Init.StopBits);
 
  /*-------------------------- USART CR1 Configuration -----------------------*/
  /* Configure the UART Word Length, Parity and mode:
     Set the M bits according to huart->Init.WordLength value
     Set PCE and PS bits according to huart->Init.Parity value
     Set TE and RE bits according to huart->Init.Mode value
     Set OVER8 bit according to huart->Init.OverSampling value */
 
  tmpreg = (uint32_t)huart->Init.WordLength | huart->Init.Parity | huart->Init.Mode | huart->Init.OverSampling;
  MODIFY_REG(huart->Instance->CR1,
             (uint32_t)(USART_CR1_M | USART_CR1_PCE | USART_CR1_PS | USART_CR1_TE | USART_CR1_RE | USART_CR1_OVER8),
             tmpreg);
 
  /*-------------------------- USART CR3 Configuration -----------------------*/
  /* Configure the UART HFC: Set CTSE and RTSE bits according to huart->Init.HwFlowCtl value */
  MODIFY_REG(huart->Instance->CR3, (USART_CR3_RTSE | USART_CR3_CTSE), huart->Init.HwFlowCtl);
 
  /* Check the Over Sampling */
  if (huart->Init.OverSampling == UART_OVERSAMPLING_8)
  {
    /*-------------------------- USART BRR Configuration ---------------------*/
#if defined(USART6) && defined(UART9) && defined(UART10)
    if ((huart->Instance == USART1) || (huart->Instance == USART6) || (huart->Instance == UART9) || (huart->Instance == UART10))
    {
      pclk = HAL_RCC_GetPCLK2Freq();
      huart->Instance->BRR = UART_BRR_SAMPLING8(pclk, huart->Init.BaudRate);
    }
#elif defined(USART6)
    if ((huart->Instance == USART1) || (huart->Instance == USART6))
    {
      pclk = HAL_RCC_GetPCLK2Freq();
      huart->Instance->BRR = UART_BRR_SAMPLING8(pclk, huart->Init.BaudRate);
    }
#else
    if (huart->Instance == USART1)
    {
      pclk = HAL_RCC_GetPCLK2Freq();
      huart->Instance->BRR = UART_BRR_SAMPLING8(pclk, huart->Init.BaudRate);
    }
#endif /* USART6 */
    else
    {
      pclk = HAL_RCC_GetPCLK1Freq();
      huart->Instance->BRR = UART_BRR_SAMPLING8(pclk, huart->Init.BaudRate);
    }
  }
  else
  {
    /*-------------------------- USART BRR Configuration ---------------------*/
#if defined(USART6) && defined(UART9) && defined(UART10)
    if ((huart->Instance == USART1) || (huart->Instance == USART6) || (huart->Instance == UART9) || (huart->Instance == UART10))
    {
      pclk = HAL_RCC_GetPCLK2Freq();
      huart->Instance->BRR = UART_BRR_SAMPLING16(pclk, huart->Init.BaudRate);
    }
#elif defined(USART6)
    if ((huart->Instance == USART1) || (huart->Instance == USART6))
    {
      pclk = HAL_RCC_GetPCLK2Freq();
      huart->Instance->BRR = UART_BRR_SAMPLING16(pclk, huart->Init.BaudRate);
    }
#else
    if (huart->Instance == USART1)
    {
      pclk = HAL_RCC_GetPCLK2Freq();
      huart->Instance->BRR = UART_BRR_SAMPLING16(pclk, huart->Init.BaudRate);
    }
#endif /* USART6 */
    else
    {
      pclk = HAL_RCC_GetPCLK1Freq();
      huart->Instance->BRR = UART_BRR_SAMPLING16(pclk, huart->Init.BaudRate);
    }
  }
}
 
#endif /* HAL_UART_MODULE_ENABLED */
 
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