Add double checked catch clause

Author: sebromero

arduino/arduino.py

@@ -137,43 +137,31 @@ def cleanup():
   print()
   print()
 
-  
-def frame_counter():
-  global frame_count
-  frame_count += 1
-  try:
-    sleep_ms(1)
-    return True
-  except (Exception, KeyboardInterrupt) as e:
-    if cleanup is not None:
-        cleanup()
-    if not isinstance(e, KeyboardInterrupt):
-      raise e
-    return False
-    
 
 # RUNTIME
 def start(setup=None, loop=None, cleanup = None, preload = None):
   if preload is not None:
     preload()
   if setup is not None:
     setup()
-  while True:
-    try:
-      if loop is not None:
-        loop()
-      if not frame_counter():
+  try:
+    while True:
+      try:
+        if loop is not None:
+          loop()
+        
+      except (Exception, KeyboardInterrupt) as e:
         if cleanup is not None:
           cleanup()
+        if not isinstance(e, KeyboardInterrupt):
+          raise e
+        else:
           break
-      
-    except (Exception, KeyboardInterrupt) as e:
-      if cleanup is not None:
-        cleanup()
-      if not isinstance(e, KeyboardInterrupt):
-        raise e
-      else:
-        break
+  except (Exception, KeyboardInterrupt) as e:
+        if cleanup is not None:
+          cleanup()
+        if not isinstance(e, KeyboardInterrupt):
+          raise e
 
 if __name__ == '__main__':
   start(setup = setup, loop = loop, cleanup = cleanup, preload = preload)