text: /* USER CODE BEGIN Header */
  /**
    ******************************************************************************
    * @file    stm32f1xx_it.c
    * @brief   Interrupt Service Routines.
    ******************************************************************************
    *
    * COPYRIGHT(c) 2019 STMicroelectronics
    *
    * 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.
    *
    ******************************************************************************
    */
  /* USER CODE END Header */
  
  /* Includes ------------------------------------------------------------------*/
  #include "main.h"
  #include "stm32f1xx_it.h"
  #include "cmsis_os.h"
  /* Private includes ----------------------------------------------------------*/
  /* USER CODE BEGIN Includes */
  /* USER CODE END Includes */
  
  /* Private typedef -----------------------------------------------------------*/
  /* USER CODE BEGIN TD */
  
  /* USER CODE END TD */
  
  /* Private define ------------------------------------------------------------*/
  /* USER CODE BEGIN PD */
   
  /* USER CODE END PD */
  
  /* Private macro -------------------------------------------------------------*/
  /* USER CODE BEGIN PM */
  
  /* USER CODE END PM */
  
  /* Private variables ---------------------------------------------------------*/
  /* USER CODE BEGIN PV */
  
  /* USER CODE END PV */
  
  /* Private function prototypes -----------------------------------------------*/
  /* USER CODE BEGIN PFP */
  
  /* USER CODE END PFP */
  
  /* Private user code ---------------------------------------------------------*/
  /* USER CODE BEGIN 0 */
  
  /* USER CODE END 0 */
  
  /* External variables --------------------------------------------------------*/
  extern TIM_HandleTypeDef htim4;
  
  /* USER CODE BEGIN EV */
  
  /* USER CODE END EV */
  
  /******************************************************************************/
  /*           Cortex-M3 Processor Interruption and Exception Handlers          */ 
  /******************************************************************************/
  /**
    * @brief This function handles Non maskable interrupt.
    */
  void NMI_Handler(void)
  {
    /* USER CODE BEGIN NonMaskableInt_IRQn 0 */
  
    /* USER CODE END NonMaskableInt_IRQn 0 */
    /* USER CODE BEGIN NonMaskableInt_IRQn 1 */
  
    /* USER CODE END NonMaskableInt_IRQn 1 */
  }
  
  /**
    * @brief This function handles Hard fault interrupt.
    */
  void HardFault_Handler(void)
  {
    /* USER CODE BEGIN HardFault_IRQn 0 */
  
    /* USER CODE END HardFault_IRQn 0 */
    while (1)
    {
      /* USER CODE BEGIN W1_HardFault_IRQn 0 */
      /* USER CODE END W1_HardFault_IRQn 0 */
    }
  }
  
  /**
    * @brief This function handles Memory management fault.
    */
  void MemManage_Handler(void)
  {
    /* USER CODE BEGIN MemoryManagement_IRQn 0 */
  
    /* USER CODE END MemoryManagement_IRQn 0 */
    while (1)
    {
      /* USER CODE BEGIN W1_MemoryManagement_IRQn 0 */
      /* USER CODE END W1_MemoryManagement_IRQn 0 */
    }
  }
  
  /**
    * @brief This function handles Prefetch fault, memory access fault.
    */
  void BusFault_Handler(void)
  {
    /* USER CODE BEGIN BusFault_IRQn 0 */
  
    /* USER CODE END BusFault_IRQn 0 */
    while (1)
    {
      /* USER CODE BEGIN W1_BusFault_IRQn 0 */
      /* USER CODE END W1_BusFault_IRQn 0 */
    }
  }
  
  /**
    * @brief This function handles Undefined instruction or illegal state.
    */
  void UsageFault_Handler(void)
  {
    /* USER CODE BEGIN UsageFault_IRQn 0 */
  
    /* USER CODE END UsageFault_IRQn 0 */
    while (1)
    {
      /* USER CODE BEGIN W1_UsageFault_IRQn 0 */
      /* USER CODE END W1_UsageFault_IRQn 0 */
    }
  }
  
  /**
    * @brief This function handles Debug monitor.
    */
  void DebugMon_Handler(void)
  {
    /* USER CODE BEGIN DebugMonitor_IRQn 0 */
  
    /* USER CODE END DebugMonitor_IRQn 0 */
    /* USER CODE BEGIN DebugMonitor_IRQn 1 */
  
    /* USER CODE END DebugMonitor_IRQn 1 */
  }
  
  /******************************************************************************/
  /* STM32F1xx Peripheral Interrupt Handlers                                    */
  /* Add here the Interrupt Handlers for the used peripherals.                  */
  /* For the available peripheral interrupt handler names,                      */
  /* please refer to the startup file (startup_stm32f1xx.s).                    */
  /******************************************************************************/
  
  /**
    * @brief This function handles TIM4 global interrupt.
    */
  void TIM4_IRQHandler(void)
  {
    /* USER CODE BEGIN TIM4_IRQn 0 */
  
    /* USER CODE END TIM4_IRQn 0 */
    HAL_TIM_IRQHandler(&htim4);
    /* USER CODE BEGIN TIM4_IRQn 1 */
  
    /* USER CODE END TIM4_IRQn 1 */
  }
  
  /**
    * @brief This function handles USART1 global interrupt.
    */
  void USART1_IRQHandler(void)
  {
    /* USER CODE BEGIN USART1_IRQn 0 */
  
    /* USER CODE END USART1_IRQn 0 */
    /* USER CODE BEGIN USART1_IRQn 1 */
  
    /* USER CODE END USART1_IRQn 1 */
  }
  
  /* USER CODE BEGIN 1 */
  
  /* USER CODE END 1 */
  /************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/
  