feat: split camera worker and tick worker

cameraworker.py

@@ -0,0 +1,28 @@
+import sched
+
+from redis import Redis
+
+from control.camera import Camera
+
+INTERVAL_TICK = 0.0125  # 20/s
+INTERVAL_IMAGE = 0.05  # 20/s
+
+
+scheduler = sched.scheduler()
+camera = Camera()
+
+
+def camera_image():
+    scheduler.enter(INTERVAL_IMAGE, 1, camera_image)
+    image = camera.get_image()
+    redisdb.publish('image', image)
+
+
+scheduler.enter(INTERVAL_IMAGE, 1, camera_image)
+
+if __name__ == '__main__':
+    redisdb = Redis()
+    try:
+        scheduler.run()
+    except KeyboardInterrupt:
+        raise

tickworker.py

@@ -6,10 +6,8 @@ import json
 from redis import Redis
 
 from control.walle import WallE
-from control.camera import Camera
 
 INTERVAL_TICK = 0.0125  # 20/s
-INTERVAL_IMAGE = 0.05  # 20/s
 
 
 class EventListener(Thread):
@@ -51,23 +49,16 @@ class EventListener(Thread):
 
 
 scheduler = sched.scheduler()
-camera = Camera()
 walle = WallE()
 walle.setup()
 
+
 def walle_tick():
     scheduler.enter(INTERVAL_TICK, 1, walle_tick)
     walle.tick()
 
 
-def camera_image():
-    scheduler.enter(INTERVAL_IMAGE, 1, camera_image)
-    image = camera.get_image()
-    redisdb.publish('image', image)
-
-
 scheduler.enter(INTERVAL_TICK, 1, walle_tick)
-scheduler.enter(INTERVAL_IMAGE, 1, camera_image)
 
 if __name__ == '__main__':
     redisdb = Redis()