text: /**
    ******************************************************************************
    * @file    stm32l0xx_it.c
    * @brief   Interrupt Service Routines.
    ******************************************************************************
    *
    * COPYRIGHT(c) 2021 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.
    *
    ******************************************************************************
    */
  /* Includes ------------------------------------------------------------------*/
  #include "stm32l0xx_hal.h"
  #include "stm32l0xx.h"
  #include "stm32l0xx_it.h"
  
  /* USER CODE BEGIN 0 */
  extern void SystemPower_Config(void);
  /* USER CODE END 0 */
  
  /* External variables --------------------------------------------------------*/
  extern RTC_HandleTypeDef hrtc;
  extern SPI_HandleTypeDef hspi2;
  extern UART_HandleTypeDef huart2;
  
  /******************************************************************************/
  /*            Cortex-M0+ 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 */
    }
    /* USER CODE BEGIN HardFault_IRQn 1 */
  
    /* USER CODE END HardFault_IRQn 1 */
  }
  
  /**
  * @brief This function handles System service call via SWI instruction.
  */
  void SVC_Handler(void)
  {
    /* USER CODE BEGIN SVC_IRQn 0 */
  
    /* USER CODE END SVC_IRQn 0 */
    /* USER CODE BEGIN SVC_IRQn 1 */
  
    /* USER CODE END SVC_IRQn 1 */
  }
  
  /**
  * @brief This function handles System tick timer.
  */
  void SysTick_Handler(void)
  {
    /* USER CODE BEGIN SysTick_IRQn 0 */
  
    /* USER CODE END SysTick_IRQn 0 */
    HAL_IncTick();
    HAL_SYSTICK_IRQHandler();
    /* USER CODE BEGIN SysTick_IRQn 1 */
  
    /* USER CODE END SysTick_IRQn 1 */
  }
  
  /******************************************************************************/
  /* STM32L0xx 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_stm32l0xx.s).                    */
  /******************************************************************************/
  
  /**
  * @brief This function handles RTC global interrupt through EXTI lines 17, 19 and 20 and LSE CSS interrupt through EXTI line 19.
  */
  void RTC_IRQHandler(void)
  {
    /* USER CODE BEGIN RTC_IRQn 0 */
  
    /* USER CODE END RTC_IRQn 0 */
    HAL_RTCEx_WakeUpTimerIRQHandler(&hrtc);
    /* USER CODE BEGIN RTC_IRQn 1 */
  
    /* USER CODE END RTC_IRQn 1 */
  }
  
  /**
  * @brief This function handles SPI2 global interrupt.
  */
  void SPI2_IRQHandler(void)
  {
    /* USER CODE BEGIN SPI2_IRQn 0 */
  
    /* USER CODE END SPI2_IRQn 0 */
    HAL_SPI_IRQHandler(&hspi2);
    /* USER CODE BEGIN SPI2_IRQn 1 */
  
    /* USER CODE END SPI2_IRQn 1 */
  }
  
  /**
  * @brief This function handles USART2 global interrupt / USART2 wake-up interrupt through EXTI line 26.
  */
  void USART2_IRQHandler(void)
  {
    /* USER CODE BEGIN USART2_IRQn 0 */
  
    /* USER CODE END USART2_IRQn 0 */
    HAL_UART_IRQHandler(&huart2);
    /* USER CODE BEGIN USART2_IRQn 1 */
  
    /* USER CODE END USART2_IRQn 1 */
  }
  
  /* USER CODE BEGIN 1 */
  
  /* USER CODE END 1 */
  /************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/
  