text: /**
   * System tick abstraction
   *
   * USB Midi-Fader
   *
   * Kevin Cuzner
   */
  
  #ifndef _SYSTICK_H_
  #define _SYSTICK_H_
  
  typedef void (*SystickHandler)(void);
  
  /**
   * Initialize the systick
   */
  void systick_init(void);
  
  /**
   * Subscribe a function to be called during the systick ISR
   */
  void systick_subscribe(SystickHandler handler);
  
  #endif //_SYSTICK_H_
  
  