Improving the accuracy and comments around

Author: fjtrujy

ee/kernel/src/timer.c

@@ -263,9 +263,10 @@ __attribute__((weak)) s32 StopTimerSystemTime(void)
 #endif
 
 #ifdef F_SetNextComp
+#define CLOCKS_GAP 0x200 // For assuring the timer interrupt is triggered
 void SetNextComp(u64 time_now)
 {
-    u64 a0, a1;
+    u64 current_schedule, next_schedule;
     counter_struct_t *timer_current;
 
     if (g_Timer.current_handling_timer_id >= 0)
@@ -279,30 +280,32 @@ void SetNextComp(u64 time_now)
         SetT2_MODE((*T2_MODE) & (~(1 << 11)));
         return;
     }
-    a0 = timer_current->timer_schedule + timer_current->timer_base_time - timer_current->timer_base_count;
+    current_schedule = timer_current->timer_schedule + timer_current->timer_base_time - timer_current->timer_base_count;
     timer_current = timer_current->timer_next;
+    
+    // Grouping the timers that are so close to each other, to reduce the number of interrupts
     while (timer_current != NULL)
     {
-        a1 = timer_current->timer_schedule + timer_current->timer_base_time - timer_current->timer_base_count;
-        if (a1 < (a0 + 0x733))
+        next_schedule = timer_current->timer_schedule + timer_current->timer_base_time - timer_current->timer_base_count;
+        if (next_schedule < (current_schedule + CLOCKS_GAP))
         {
-            a0 = a1;
+            current_schedule = next_schedule;
         }
         else
         {
             break;
         }
         timer_current = timer_current->timer_next;
     }
-    if (a0 < (time_now + 0x733))
+    if (current_schedule < (time_now + CLOCKS_GAP))
     {
-        SetT2_COMP((*T2_COUNT) + (0x733 >> (((*T2_MODE) & 3) << 2)));
+        SetT2_COMP((*T2_COUNT) + (CLOCKS_GAP >> (((*T2_MODE) & 3) << 2)));
         SetT2_MODE((*T2_MODE) & (~(1 << 11)));
     }
     else
     {
         SetT2_MODE((*T2_MODE) & (~(1 << 11)));
-        SetT2_COMP(a0 >> (((*T2_MODE) & 3) << 2));
+        SetT2_COMP(current_schedule >> (((*T2_MODE) & 3) << 2));
     }
 }
 #endif