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/GearTooth.cpp b/azaleasource/WPILibCProgramming/trunk/WPILib/GearTooth.cpp
new file mode 100644
index 0000000..8fac9c2
--- /dev/null
+++ b/azaleasource/WPILibCProgramming/trunk/WPILib/GearTooth.cpp
@@ -0,0 +1,80 @@
+/*----------------------------------------------------------------------------*/

+/* 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.  */

+/*----------------------------------------------------------------------------*/

+

+#include "GearTooth.h"

+#include "LiveWindow/LiveWindow.h"

+

+const double GearTooth::kGearToothThreshold;

+

+/**

+ * Common code called by the constructors.

+ */

+void GearTooth::EnableDirectionSensing(bool directionSensitive)

+{

+	if (directionSensitive)

+	{

+		SetPulseLengthMode(kGearToothThreshold);

+	}

+}

+

+/**

+ * Construct a GearTooth sensor given a channel.

+ * 

+ * The default module is assumed.

+ * 

+ * @param channel The GPIO channel on the digital module that the sensor is connected to.

+ * @param directionSensitive Enable the pulse length decoding in hardware to specify count direction.

+ */

+GearTooth::GearTooth(UINT32 channel, bool directionSensitive)

+	: Counter(channel)

+{

+	EnableDirectionSensing(directionSensitive);

+}

+

+/**

+ * Construct a GearTooth sensor given a channel and module.

+ * 

+ * @param moduleNumber The digital module (1 or 2).

+ * @param channel The GPIO channel on the digital module that the sensor is connected to.

+ * @param directionSensitive Enable the pulse length decoding in hardware to specify count direction.

+ */

+GearTooth::GearTooth(UINT8 moduleNumber, UINT32 channel, bool directionSensitive)

+	: Counter(moduleNumber, channel)

+{

+	EnableDirectionSensing(directionSensitive);

+	LiveWindow::GetInstance()->AddSensor("GearTooth", moduleNumber, channel, this);

+}

+

+/**

+ * Construct a GearTooth sensor given a digital input.

+ * This should be used when sharing digial inputs.

+ * 

+ * @param source An object that fully descibes the input that the sensor is connected to.

+ * @param directionSensitive Enable the pulse length decoding in hardware to specify count direction.

+ */

+GearTooth::GearTooth(DigitalSource *source, bool directionSensitive)

+	: Counter(source)

+{

+	EnableDirectionSensing(directionSensitive);

+}

+

+GearTooth::GearTooth(DigitalSource &source, bool directionSensitive): Counter(source)

+{

+	EnableDirectionSensing(directionSensitive);

+}

+

+/**

+ * Free the resources associated with a gear tooth sensor.

+ */

+GearTooth::~GearTooth()

+{

+}

+

+

+std::string GearTooth::GetSmartDashboardType() {

+	return "GearTooth";

+}

+