update demo

Author: zlj-zz

demo/basic.py

@@ -48,7 +48,7 @@ def test(mycobot):
     print("::set_free_mode()\n")
     mycobot.send_angles(reset, 100)
     time.sleep(5)
-    mycobot.set_free_mode()
+    mycobot.release_all_servos()
 
     print("=== check end ===\n")
 
@@ -67,7 +67,6 @@ def test(mycobot):
 |     send_coords()                        |
 |     get_coords()                         |
 |     send_coord()                         |
-|     set_free_mode()                      |
 --------------------------------------------
           """
     )

demo/record.py

@@ -14,7 +14,7 @@ def free(cobot):
     global recording, playing
 
     if not recording and not playing:
-        cobot.set_free_mode()
+        cobot.release_all_servos()
     else:
         if recording:
             print("Please stop recording frist.")
@@ -115,7 +115,7 @@ def quit_program():
 def print_menu():
     print(
         """\
-0: set free mode 
+0: set free mode
 1: record
 2: play
 s: save data to local