Add doctrings and change file directory

scripts/utils.py

@@ -0,0 +1,21 @@
+"""Utils for dynamixel.
+
+- Author: DH Kim
+- Contact: kdh0429@snu.ac.kr
+"""
+from math import pi
+
+
+def deg2rad(deg):
+    """ Transform degree to radian."""
+    return deg * pi / 180
+
+
+def rad2deg(rad):
+    """ Transform radian to degree."""
+    return rad * 180 / pi
+
+
+def rpm2rad(rpm):
+    """ Transform RPM to radian."""
+    return 2 * rpm * pi / 60