Closes #9.

web/lib/movements.py

@@ -33,12 +33,15 @@ def check_stop_condition(motorA, motorB):
     """
     Wait for the completion of the command before sending the result.
     """
+    result_message = []
     while "running" in motorA.state.split(" ") and \
                         "running" in motorB.state.split(" "):
         time.sleep(0.1)
         if button.is_pushed:
+            # stop the motor
             stop(motorA, motorB)
             time.sleep(0.5)
+            # go a few centimers backward
             motorA.position = 0
             motorA.run_position_limited(position_sp=180, speed_sp=800,
                    stop_mode=Motor.STOP_MODE.BRAKE, ramp_up_sp=1000,
@@ -50,11 +53,11 @@ def check_stop_condition(motorA, motorB):
             while "running" in motorA.state.split(" ") and \
                                 "running" in motorB.state.split(" "):
                 time.sleep(0.1)
-            return "hit_wall"
+            result_message.append("hit_wall")
         if color_sensor.colors[color_sensor.color] == "red":
             stop(motorA, motorB)
-            return "in_target"
-    return "OK"
+            result_message.append("in_target")
+    return ";".join(result_message) if len(result_message) != 0 else "OK"
 
 
 def run_position_limited(motorA, motorB, position):