zejun du / Mbed 2 deprecated inverted_pendulum_system

this code is for inverted pendulum balancer. it is based on two-loop PID controller. One controller is for Angle and another one is for velocity.

Dependencies:   HCSR04 L298HBridge mbed

Diff: distance/distance.h

Revision:
0:489498e8dae5
diff -r 000000000000 -r 489498e8dae5 distance/distance.h
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/distance/distance.h	Fri Aug 25 21:10:23 2017 +0000
@@ -0,0 +1,10 @@
+#include "mbed.h"
+#include "hcsr04.h"
+
+extern HCSR04 usensor;
+extern float home;
+extern float offset;
+extern float distance;
+
+
+void get_distance(void);
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