diff --git a/cube/Drivers/STM32F1xx_HAL_Driver/Src/stm32f1xx_hal_uart.c b/cube/Drivers/STM32F1xx_HAL_Driver/Src/stm32f1xx_hal_uart.c
index 0064039..b9ca71b 100644
--- a/cube/Drivers/STM32F1xx_HAL_Driver/Src/stm32f1xx_hal_uart.c
+++ b/cube/Drivers/STM32F1xx_HAL_Driver/Src/stm32f1xx_hal_uart.c
@@ -2015,7 +2015,7 @@ HAL_StatusTypeDef HAL_UART_AbortReceive_IT(UART_HandleTypeDef *huart)
 }
 
 inline void dts(uint8_t v) {
-      for (uint8_t xx = 0; xx < v; xx++) HAL_GPIO_TogglePin(GPIOB, GPIO_PIN_10);
+      while (v--) HAL_GPIO_TogglePin(GPIOB, GPIO_PIN_10);
 }
 
 /**
@@ -2082,7 +2082,10 @@ dts(3);
       /* UART in mode Receiver -----------------------------------------------*/
       if (((isrflags & USART_SR_RXNE) != RESET) && ((cr1its & USART_CR1_RXNEIE) != RESET))
       {
+        dts(4);
         UART_Receive_IT(huart);
+      } else {
+        dts(5);
       }
 
       /* If Overrun error occurs, or if any error occurs in DMA mode reception,
@@ -2098,13 +2101,11 @@ dts(3);
         /* Disable the UART DMA Rx request if enabled */
         if (HAL_IS_BIT_SET(huart->Instance->CR3, USART_CR3_DMAR))
         {
-dts(4);
           CLEAR_BIT(huart->Instance->CR3, USART_CR3_DMAR);
 
           /* Abort the UART DMA Rx channel */
           if (huart->hdmarx != NULL)
           {
-dts(5);
             /* Set the UART DMA Abort callback :
                will lead to call HAL_UART_ErrorCallback() at end of DMA abort procedure */
             huart->hdmarx->XferAbortCallback = UART_DMAAbortOnError;