C++ (Cpp) CH_CFG_SYSTEM_TICK_HOOK Examples

Example #1

File: chsys.c Project: Babody/ChibiOS

/**
 * @brief   Handles time ticks for round robin preemption and timer increments.
 * @details Decrements the remaining time quantum of the running thread
 *          and preempts it when the quantum is used up. Increments system
 *          time and manages the timers.
 * @note    The frequency of the timer determines the system tick granularity
 *          and, together with the @p CH_CFG_TIME_QUANTUM macro, the round robin
 *          interval.
 *
 * @iclass
 */
void chSysTimerHandlerI(void) {

  chDbgCheckClassI();

#if CH_CFG_TIME_QUANTUM > 0
  /* Running thread has not used up quantum yet? */
  if (currp->preempt > (tslices_t)0) {
    /* Decrement remaining quantum.*/
    currp->preempt--;
  }
#endif
#if CH_DBG_THREADS_PROFILING == TRUE
  currp->time++;
#endif
  chVTDoTickI();
  CH_CFG_SYSTEM_TICK_HOOK();
}

Example #2

File: chsys.c Project: MultiCalorNV/ChibiOS

/**
 * @brief   Handles time ticks for round robin preemption and timer increments.
 * @details Decrements the remaining time quantum of the running thread
 *          and preempts it when the quantum is used up. Increments system
 *          time and manages the timers.
 * @note    The frequency of the timer determines the system tick granularity
 *          and, together with the @p CH_CFG_TIME_QUANTUM macro, the round robin
 *          interval.
 *
 * @iclass
 */
void chSysTimerHandlerI(void) {

  chDbgCheckClassI();

#if CH_CFG_TIME_QUANTUM > 0
  /* Running thread has not used up quantum yet? */
  if (currp->p_preempt > 0)
    /* Decrement remaining quantum.*/
    currp->p_preempt--;
#endif
#if CH_DBG_THREADS_PROFILING
  currp->p_time++;
#endif
  chVTDoTickI();
#if defined(CH_CFG_SYSTEM_TICK_HOOK)
  CH_CFG_SYSTEM_TICK_HOOK();
#endif
}