Improvement

comet/hal/bus/interface.py

@@ -0,0 +1,33 @@
+class Motor(object):
+    angle = None
+    def __init__(self, id):
+        self.angle = 0 # mark
+        self.id = id
+    def get(self):
+        return self.angle
+    def turn(self, add_angle):
+        self.angle += add_angle
+        return self.angle
+class Engine(object):
+    speed = None
+    def __init__(self, id):
+        self.speed = 0 # Mark
+        self.id = id
+    def get(self):
+        return self.speed
+    def tune(self, new_speed):
+        self.speed = new_speed
+        return self.speed
+
+class Battery:
+    def get():
+        power_left = 0.9
+        return power_left
+    def stat():
+        status = "Unplugged"
+        return status
+    
+class Network:
+    def stat():
+        delay = 0.2 # ms
+        return delay # or -1 (unreachable)