diff --git a/high_level_control/scripts/teleop_control.py b/high_level_control/scripts/teleop_control.py
index 8ed6fc8..41196d4 100644
--- a/high_level_control/scripts/teleop_control.py
+++ b/high_level_control/scripts/teleop_control.py
@@ -41,6 +41,7 @@ def __init__(self):
         
         # Initialize publishers
         self.drive_pub = rospy.Publisher('drive_cmd', Twist)
+        # other publishers will be added when necessary
 
         # Initialize subscribers
         self.joy_sub = rospy.Subscriber("joy", Joy, self.joy_callback)
@@ -48,11 +49,22 @@ def __init__(self):
 
     # Callback function for joystick controls
     def joy_callback(self, data):
+        self.set_drive_speed(data)
+        self.set_digging_mode(data)
+
+    # Sets drive speed based on left joystick input
+    def set_drive_speed(self, data):
         twist = Twist()
         twist.linear.x = data.axes[1]
         twist.angular.z = data.axes[0]
         self.drive_pub.publish(twist)
 
+    # Sets digging mode based on ???? (TBD)
+    def set_digging_mode(self, data):
+        pass
+
+    # additional functions TBD
+
 
 if __name__ == '__main__':