text: /*******************************************************************************
  *
  * COPYRIGHT(c) 2020, China Mobile IOT
  *
  * 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 China Mobile IOT 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.
  *
  *******************************************************************************/
  
  /**
   * @file cm32m4xxr_it.c
   * @author CMIOT Firmware Team
   * @version v1.0.0
   *
   * @copyright Copyright (c) 2020, CMIOT. All rights reserved.
   */
  #include <cm32m4xxr_it.h>
  #include "main.h"
  
  /** @addtogroup CM32M4xxR_StdPeriph_Template
   * @{
   */
  
  /******************************************************************************/
  /*                 N308 Processor Exceptions Handlers                         */
  /******************************************************************************/
  
  /**
   * @brief  This function handles NMI exception.
   */
  void InsUnalign_EXCHandler(void)
  {
  	while(1)
  	{
  	
  	}
  }
  
  /******************************************************************************/
  /*                 N308 Processor Interrupt Handlers                          */
  /******************************************************************************/
  
  /**
   * @brief  This function handles software interrupt request.
   */
  void eclic_msip_handler(void)
  {
  
  }
  
  /**
   * @brief  This function handles TIMER interrupt request.
   */
  void eclic_mtip_handler(void)
  {
  
  }
  
  
  /******************************************************************************/
  /* CM32M4xxR 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_cm32m4xxr.S).                    */
  /******************************************************************************/
  
  /**
   * @brief  This function handles TIM2 global interrupt request.
   */
  void TIM2_IRQHandler(void)
  {
      if (TIM_GetIntStatus(TIM2, TIM_INT_UPDATE) != RESET)
      {
          TIM_ClrIntPendingBit(TIM2, TIM_INT_UPDATE);
  
          /* Pin PD3 toggling */
          GPIO_WriteBit(GPIOD, GPIO_PIN_3, (Bit_OperateType)(1 - GPIO_ReadOutputDataBit(GPIOD, GPIO_PIN_3)));
      }
  }
  
  /**
   * @}
   */
  