TaskManager: comments

internal_filesystem/lib/mpos/task_manager.py

@@ -9,11 +9,15 @@ class TaskManager:
     disabled = False
 
     @classmethod
-    async def _asyncio_thread(cls, ms_to_sleep):
+    async def _asyncio_thread(cls, sleep_ms):
         print("asyncio_thread started")
         while cls.keep_running is True:
-            #print(f"asyncio_thread tick because {cls.keep_running}")
-            await asyncio.sleep_ms(ms_to_sleep)  # This delay determines how quickly new tasks can be started, so keep it below human reaction speed
+            #print(f"asyncio_thread tick because cls.keep_running:{cls.keep_running}")
+            # According to the docs, lv.timer_handler should be called periodically, but everything seems to work fine without it.
+            # Perhaps lvgl_micropython is doing this somehow, although I can't find it... I guess the task_handler...?
+            # sleep_ms can't handle too big values, so limit it to 30 ms, which equals 33 fps
+            # sleep_ms = min(lv.timer_handler(), 30) # lv.timer_handler() will return LV_NO_TIMER_READY (UINT32_MAX) if there are no running timers
+            await asyncio.sleep_ms(sleep_ms)
         print("WARNING: asyncio_thread exited, now asyncio.create_task() won't work anymore")
 
     @classmethod