basic functions for inverted pendulum

Dependencies:   MMA8451Q-configurable MMA845x mbed

Revision:
2:342aa0ce937e
Parent:
1:d2f503ea9800
--- a/MMA8451Q.lib	Thu Nov 19 02:13:23 2015 +0000
+++ b/MMA8451Q.lib	Thu Nov 19 21:40:19 2015 +0000
@@ -1,1 +1,1 @@
-https://developer.mbed.org/users/angusg/code/MMA8451Q-configurable/#4e7dd6eb7829
+https://developer.mbed.org/users/angusg/code/MMA8451Q-configurable/#aca483d0fa8d