This is the latest WPILib src, VisionSample2013, cRIO image, ... pulled down from firstforge.wpi.edu.
There might be risks in using the top of tree rather than an official release, but the commit messages do mention fixes for some deadlocks and race conditions.
git-svn-id: https://robotics.mvla.net/svn/frc971/2013/trunk/src@4066 f308d9b7-e957-4cde-b6ac-9a88185e7312
diff --git a/azaleasource/WPILibCProgramming/trunk/WPILib/Timer.h b/azaleasource/WPILibCProgramming/trunk/WPILib/Timer.h
new file mode 100644
index 0000000..6f15572
--- /dev/null
+++ b/azaleasource/WPILibCProgramming/trunk/WPILib/Timer.h
@@ -0,0 +1,49 @@
+/*----------------------------------------------------------------------------*/
+/* Copyright (c) FIRST 2008. All Rights Reserved. */
+/* Open Source Software - may be modified and shared by FRC teams. The code */
+/* must be accompanied by the FIRST BSD license file in $(WIND_BASE)/WPILib. */
+/*----------------------------------------------------------------------------*/
+
+#ifndef TIMER_H_
+#define TIMER_H_
+
+#include "semLib.h"
+#include "Base.h"
+
+typedef void (*TimerInterruptHandler)(void *param);
+
+void Wait(double seconds);
+double GetClock();
+double GetTime();
+
+
+/**
+ * Timer objects measure accumulated time in seconds.
+ * The timer object functions like a stopwatch. It can be started, stopped, and cleared. When the
+ * timer is running its value counts up in seconds. When stopped, the timer holds the current
+ * value. The implementation simply records the time when started and subtracts the current time
+ * whenever the value is requested.
+ */
+class Timer
+{
+public:
+ Timer();
+ virtual ~Timer();
+ double Get();
+ void Reset();
+ void Start();
+ void Stop();
+ bool HasPeriodPassed(double period);
+
+ static double GetFPGATimestamp();
+ static double GetPPCTimestamp();
+
+private:
+ double m_startTime;
+ double m_accumulatedTime;
+ bool m_running;
+ SEM_ID m_semaphore;
+ DISALLOW_COPY_AND_ASSIGN(Timer);
+};
+
+#endif