text: /*****************************************************************************
  * \file       dep.c
  * \author     Weilun Fong
  * \brief      
  * \note       
  * \remarks    
  ******************************************************************************/
  
  #include "common.h"
  
  /*****************************************************************************/
  /** 
  * \author      Weilun Fong
  * \date        2019/06/19
  * \brief       function for add operation
  * \param[in]   a: the first addend
  * \param[in]   b: the secord addend
  * \return      summation
  * \ingroup     
  * \remarks     
  ******************************************************************************/
  int16_t fun_add(int16_t a, int16_t b) {
      return (a+b);
  }
  