173 inline void update_refresh_period(hmi_tree_item_t *dsc, uint16_t refresh_period_ms)

   173 inline void update_refresh_period(hmi_tree_item_t *dsc, uint16_t refresh_period_ms)

   174 {

   174 {

   175     while(AtomicCompareExchange(&dsc->wlock, 0, 1)) sched_yield();

   175     while(AtomicCompareExchange(&dsc->wlock, 0, 1)) sched_yield();

   176     dsc->refresh_period_ms = refresh_period_ms;

   176     dsc->refresh_period_ms = refresh_period_ms;

   177     if(refresh_period_ms) {

   177     if(refresh_period_ms) {

   178         dsc->wstate = buf_new;

   179         dsc->wstate = buf_new;

   179     } else {

   180     } else {

   180         dsc->wstate = buf_free;

   181         dsc->wstate = buf_free;

   181     }

   182     }

   182     AtomicCompareExchange(&dsc->wlock, 1, 0);

   183     AtomicCompareExchange(&dsc->wlock, 1, 0);