diff --git a/Inc/stm32l4xx_hal_uart.h b/Inc/stm32l4xx_hal_uart.h
index d0d2c5c..9d23073 100644
--- a/Inc/stm32l4xx_hal_uart.h
+++ b/Inc/stm32l4xx_hal_uart.h
@@ -198,7 +198,7 @@
 /**
   * @brief HAL UART Reception type definition
   * @note  HAL UART Reception type value aims to identify which type of Reception is ongoing.
-  *        It is expected to admit following values :
+  *        This parameter can be a value of @ref UART_Reception_Type_Values :
   *           HAL_UART_RECEPTION_STANDARD         = 0x00U,
   *           HAL_UART_RECEPTION_TOIDLE           = 0x01U,
   *           HAL_UART_RECEPTION_TORTO            = 0x02U,
@@ -207,6 +207,17 @@
 typedef uint32_t HAL_UART_RxTypeTypeDef;
 
 /**
+  * @brief HAL UART Rx Event type definition
+  * @note  HAL UART Rx Event type value aims to identify which type of Event has occurred
+  *        leading to call of the RxEvent callback.
+  *        This parameter can be a value of @ref UART_RxEvent_Type_Values :
+  *           HAL_UART_RXEVENT_TC                 = 0x00U,
+  *           HAL_UART_RXEVENT_HT                 = 0x01U,
+  *           HAL_UART_RXEVENT_IDLE               = 0x02U,
+  */
+typedef uint32_t HAL_UART_RxEventTypeTypeDef;
+
+/**
   * @brief  UART handle Structure definition
   */
 typedef struct __UART_HandleTypeDef
@@ -242,6 +253,8 @@
 #endif /*USART_CR1_FIFOEN */
   __IO HAL_UART_RxTypeTypeDef ReceptionType;         /*!< Type of ongoing reception          */
 
+  __IO HAL_UART_RxEventTypeTypeDef RxEventType;      /*!< Type of Rx Event                   */
+
   void (*RxISR)(struct __UART_HandleTypeDef *huart); /*!< Function pointer on Rx IRQ handler */
 
   void (*TxISR)(struct __UART_HandleTypeDef *huart); /*!< Function pointer on Tx IRQ handler */
@@ -835,7 +848,7 @@
   * @}
   */
 
-/** @defgroup UART_RECEPTION_TYPE_Values  UART Reception type values
+/** @defgroup UART_Reception_Type_Values  UART Reception type values
   * @{
   */
 #define HAL_UART_RECEPTION_STANDARD          (0x00000000U)             /*!< Standard reception                       */
@@ -846,6 +859,16 @@
   * @}
   */
 
+/** @defgroup UART_RxEvent_Type_Values  UART RxEvent type values
+  * @{
+  */
+#define HAL_UART_RXEVENT_TC                  (0x00000000U)             /*!< RxEvent linked to Transfer Complete event */
+#define HAL_UART_RXEVENT_HT                  (0x00000001U)             /*!< RxEvent linked to Half Transfer event     */
+#define HAL_UART_RXEVENT_IDLE                (0x00000002U)             /*!< RxEvent linked to IDLE event              */
+/**
+  * @}
+  */
+
 /**
   * @}
   */
diff --git a/Inc/stm32l4xx_hal_uart_ex.h b/Inc/stm32l4xx_hal_uart_ex.h
index a44e08d..2a1c197 100644
--- a/Inc/stm32l4xx_hal_uart_ex.h
+++ b/Inc/stm32l4xx_hal_uart_ex.h
@@ -189,6 +189,8 @@
 HAL_StatusTypeDef HAL_UARTEx_ReceiveToIdle_IT(UART_HandleTypeDef *huart, uint8_t *pData, uint16_t Size);
 HAL_StatusTypeDef HAL_UARTEx_ReceiveToIdle_DMA(UART_HandleTypeDef *huart, uint8_t *pData, uint16_t Size);
 
+HAL_UART_RxEventTypeTypeDef HAL_UARTEx_GetRxEventType(UART_HandleTypeDef *huart);
+
 
 /**
   * @}
diff --git a/Src/stm32l4xx_hal_uart.c b/Src/stm32l4xx_hal_uart.c
index 05f50dc..a115166 100644
--- a/Src/stm32l4xx_hal_uart.c
+++ b/Src/stm32l4xx_hal_uart.c
@@ -676,6 +676,7 @@
   huart->gState = HAL_UART_STATE_RESET;
   huart->RxState = HAL_UART_STATE_RESET;
   huart->ReceptionType = HAL_UART_RECEPTION_STANDARD;
+  huart->RxEventType = HAL_UART_RXEVENT_TC;
 
   __HAL_UNLOCK(huart);
 
@@ -2547,6 +2548,11 @@
           /* Last bytes received, so no need as the abort is immediate */
           (void)HAL_DMA_Abort(huart->hdmarx);
         }
+
+        /* Initialize type of RxEvent that correspond to RxEvent callback execution;
+           In this case, Rx Event type is Idle Event */
+        huart->RxEventType = HAL_UART_RXEVENT_IDLE;
+
 #if (USE_HAL_UART_REGISTER_CALLBACKS == 1)
         /*Call registered Rx Event callback*/
         huart->RxEventCallback(huart, (huart->RxXferSize - huart->RxXferCount));
@@ -2588,6 +2594,11 @@
         huart->RxISR = NULL;
 
         ATOMIC_CLEAR_BIT(huart->Instance->CR1, USART_CR1_IDLEIE);
+
+        /* Initialize type of RxEvent that correspond to RxEvent callback execution;
+           In this case, Rx Event type is Idle Event */
+        huart->RxEventType = HAL_UART_RXEVENT_IDLE;
+
 #if (USE_HAL_UART_REGISTER_CALLBACKS == 1)
         /*Call registered Rx complete callback*/
         huart->RxEventCallback(huart, nb_rx_data);
@@ -3508,6 +3519,7 @@
   huart->gState = HAL_UART_STATE_READY;
   huart->RxState = HAL_UART_STATE_READY;
   huart->ReceptionType = HAL_UART_RECEPTION_STANDARD;
+  huart->RxEventType = HAL_UART_RXEVENT_TC;
 
   __HAL_UNLOCK(huart);
 
@@ -3887,6 +3899,10 @@
     }
   }
 
+  /* Initialize type of RxEvent that correspond to RxEvent callback execution;
+     In this case, Rx Event type is Transfer Complete */
+  huart->RxEventType = HAL_UART_RXEVENT_TC;
+
   /* Check current reception Mode :
      If Reception till IDLE event has been selected : use Rx Event callback */
   if (huart->ReceptionType == HAL_UART_RECEPTION_TOIDLE)
@@ -3921,6 +3937,10 @@
 {
   UART_HandleTypeDef *huart = (UART_HandleTypeDef *)(hdma->Parent);
 
+  /* Initialize type of RxEvent that correspond to RxEvent callback execution;
+     In this case, Rx Event type is Half Transfer */
+  huart->RxEventType = HAL_UART_RXEVENT_HT;
+
   /* Check current reception Mode :
      If Reception till IDLE event has been selected : use Rx Event callback */
   if (huart->ReceptionType == HAL_UART_RECEPTION_TOIDLE)
@@ -4399,6 +4419,9 @@
       /* Clear RxISR function pointer */
       huart->RxISR = NULL;
 
+      /* Initialize type of RxEvent to Transfer Complete */
+      huart->RxEventType = HAL_UART_RXEVENT_TC;
+
       /* Check current reception Mode :
          If Reception till IDLE event has been selected : */
       if (huart->ReceptionType == HAL_UART_RECEPTION_TOIDLE)
@@ -4414,6 +4437,7 @@
           /* Clear IDLE Flag */
           __HAL_UART_CLEAR_FLAG(huart, UART_CLEAR_IDLEF);
         }
+
 #if (USE_HAL_UART_REGISTER_CALLBACKS == 1)
         /*Call registered Rx Event callback*/
         huart->RxEventCallback(huart, huart->RxXferSize);
@@ -4482,6 +4506,9 @@
       /* Clear RxISR function pointer */
       huart->RxISR = NULL;
 
+      /* Initialize type of RxEvent to Transfer Complete */
+      huart->RxEventType = HAL_UART_RXEVENT_TC;
+
       /* Check current reception Mode :
          If Reception till IDLE event has been selected : */
       if (huart->ReceptionType == HAL_UART_RECEPTION_TOIDLE)
@@ -4497,6 +4524,7 @@
           /* Clear IDLE Flag */
           __HAL_UART_CLEAR_FLAG(huart, UART_CLEAR_IDLEF);
         }
+
 #if (USE_HAL_UART_REGISTER_CALLBACKS == 1)
         /*Call registered Rx Event callback*/
         huart->RxEventCallback(huart, huart->RxXferSize);
@@ -4613,6 +4641,9 @@
         /* Clear RxISR function pointer */
         huart->RxISR = NULL;
 
+        /* Initialize type of RxEvent to Transfer Complete */
+        huart->RxEventType = HAL_UART_RXEVENT_TC;
+
         /* Check current reception Mode :
            If Reception till IDLE event has been selected : */
         if (huart->ReceptionType == HAL_UART_RECEPTION_TOIDLE)
@@ -4628,6 +4659,7 @@
             /* Clear IDLE Flag */
             __HAL_UART_CLEAR_FLAG(huart, UART_CLEAR_IDLEF);
           }
+
 #if (USE_HAL_UART_REGISTER_CALLBACKS == 1)
           /*Call registered Rx Event callback*/
           huart->RxEventCallback(huart, huart->RxXferSize);
@@ -4763,6 +4795,9 @@
         /* Clear RxISR function pointer */
         huart->RxISR = NULL;
 
+        /* Initialize type of RxEvent to Transfer Complete */
+        huart->RxEventType = HAL_UART_RXEVENT_TC;
+
         /* Check current reception Mode :
            If Reception till IDLE event has been selected : */
         if (huart->ReceptionType == HAL_UART_RECEPTION_TOIDLE)
@@ -4778,6 +4813,7 @@
             /* Clear IDLE Flag */
             __HAL_UART_CLEAR_FLAG(huart, UART_CLEAR_IDLEF);
           }
+
 #if (USE_HAL_UART_REGISTER_CALLBACKS == 1)
           /*Call registered Rx Event callback*/
           huart->RxEventCallback(huart, huart->RxXferSize);
diff --git a/Src/stm32l4xx_hal_uart_ex.c b/Src/stm32l4xx_hal_uart_ex.c
index a2b94b0..5e6bd13 100644
--- a/Src/stm32l4xx_hal_uart_ex.c
+++ b/Src/stm32l4xx_hal_uart_ex.c
@@ -783,6 +783,7 @@
     huart->ErrorCode = HAL_UART_ERROR_NONE;
     huart->RxState = HAL_UART_STATE_BUSY_RX;
     huart->ReceptionType = HAL_UART_RECEPTION_TOIDLE;
+    huart->RxEventType = HAL_UART_RXEVENT_TC;
 
     /* Init tickstart for timeout management */
     tickstart = HAL_GetTick();
@@ -824,6 +825,7 @@
         /* If Set, and data has already been received, this means Idle Event is valid : End reception */
         if (*RxLen > 0U)
         {
+          huart->RxEventType = HAL_UART_RXEVENT_IDLE;
           huart->RxState = HAL_UART_STATE_READY;
 
           return HAL_OK;
@@ -903,6 +905,7 @@
 
     /* Set Reception type to reception till IDLE Event*/
     huart->ReceptionType = HAL_UART_RECEPTION_TOIDLE;
+    huart->RxEventType = HAL_UART_RXEVENT_TC;
 
     status =  UART_Start_Receive_IT(huart, pData, Size);
 
@@ -965,6 +968,7 @@
 
     /* Set Reception type to reception till IDLE Event*/
     huart->ReceptionType = HAL_UART_RECEPTION_TOIDLE;
+    huart->RxEventType = HAL_UART_RXEVENT_TC;
 
     status =  UART_Start_Receive_DMA(huart, pData, Size);
 
@@ -995,6 +999,36 @@
 }
 
 /**
+  * @brief Provide Rx Event type that has lead to RxEvent callback execution.
+  * @note  When HAL_UARTEx_ReceiveToIdle_IT() or HAL_UARTEx_ReceiveToIdle_DMA() API are called, progress
+  *        of reception process is provided to application through calls of Rx Event callback (either default one
+  *        HAL_UARTEx_RxEventCallback() or user registered one). As several types of events could occur (IDLE event,
+  *        Half Transfer, or Transfer Complete), this function allows to retrieve the Rx Event type that has lead
+  *        to Rx Event callback execution.
+  * @note  This function is expected to be called within the user implementation of Rx Event Callback,
+  *        in order to provide the accurate value :
+  *        In Interrupt Mode :
+  *           - HAL_UART_RXEVENT_TC : when Reception has been completed (expected nb of data has been received)
+  *           - HAL_UART_RXEVENT_IDLE : when Idle event occurred prior reception has been completed (nb of
+  *             received data is lower than expected one)
+  *        In DMA Mode :
+  *           - HAL_UART_RXEVENT_TC : when Reception has been completed (expected nb of data has been received)
+  *           - HAL_UART_RXEVENT_HT : when half of expected nb of data has been received
+  *           - HAL_UART_RXEVENT_IDLE : when Idle event occurred prior reception has been completed (nb of
+  *             received data is lower than expected one).
+  *        In DMA mode, RxEvent callback could be called several times;
+  *        When DMA is configured in Normal Mode, HT event does not stop Reception process;
+  *        When DMA is configured in Circular Mode, HT, TC or IDLE events don't stop Reception process;
+  * @param  huart UART handle.
+  * @retval Rx Event Type (return vale will be a value of @ref UART_RxEvent_Type_Values)
+  */
+HAL_UART_RxEventTypeTypeDef HAL_UARTEx_GetRxEventType(UART_HandleTypeDef *huart)
+{
+  /* Return Rx Event type value, as stored in UART handle */
+  return(huart->RxEventType);
+}
+
+/**
   * @}
   */