added memory check for hdd

camera.py

@@ -17,7 +17,6 @@ class take_img(Thread):
         self.save_IMGS = CONFIG['save-IMGS']
         self.save_GPS = CONFIG['save-GPS']
         self.usb = USB_class(CONFIG['save-every-x'])
-        self.freememory = free_gbs()
         self.GPS_check = CONFIG['GPS-checks']
         # connecting to the first available camera
         self.camera = pylon.InstantCamera(pylon.TlFactory.GetInstance().CreateFirstDevice())
@@ -36,6 +35,8 @@ class take_img(Thread):
     def run(self):     
         global GPS_lock, GPS_ringbuf, to_process_deque, to_display_queue
         while self.camera.IsGrabbing() and self._running:
+            usbgb = self.usb.free_USBGBs
+            freememory = free_gbs()
             grabResult = self.camera.RetrieveResult(5000, pylon.TimeoutHandling_ThrowException)
             if grabResult.GrabSucceeded():
                 timestamp = datetime.utcnow()
@@ -44,7 +45,7 @@ class take_img(Thread):
                 img = image.GetArray() 
                 with GPS_lock:
                     (data_obj, is_moving) = GPS_ringbuf.get_dataobject(timestamp)
-                    to_display_deque.append({'data': data_obj, 'free_mem': self.freememory, 'is_moving':is_moving})               
+                    to_display_deque.append({'data': data_obj, 'free_mem': freememory, 'free_mem_hdd': usbgb, 'is_moving':is_moving})               
 
                     #save GPS data
                     if (self.GPS_check == False) or (self.save_GPS == True) and (is_moving == True):