Diff: MCULoadMeasurement.h

Revision:

1:64c1fd738059

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/MCULoadMeasurement.h	Sun Sep 09 19:03:27 2018 +0000
@@ -0,0 +1,53 @@
+#ifndef MCULOADMEASUREMENT_H_
+#define MCULOADMEASUREMENT_H_
+
+#include "mbed.h"
+
+class MCULoadMeasurement
+{
+protected:
+	Timer t;
+	Timer t_active;
+public:
+
+	MCULoadMeasurement()
+	{
+		t.start();
+		t_active.start();
+	}
+	virtual ~MCULoadMeasurement()
+	{
+	}
+
+	virtual void reset()
+	{
+		t.reset();
+		t_active.reset();
+	}
+
+	virtual float getCPUUsage()
+	{
+		return t_active.read() / t.read();
+	}
+
+	virtual void setMCUActive(bool active)
+	{
+		if (active) //idle task sched out
+		{
+			t_active.start();
+		}
+		else //idle task sched in
+		{
+			t_active.stop();
+		}
+	}
+
+	static MCULoadMeasurement &getInstance()
+	{
+		static MCULoadMeasurement m;
+		return m;
+	}
+};
+
+#endif // MCULOADMEASUREMENT_H_
+