Changed AnalogChannel to AnalogInput, added AnalogOutput for MXP

Change-Id: I863d89c61ff2cf4a7a3aeeca1296978e728758b6

wpilibc/wpilibC++/include/AnalogOutput.h

@@ -0,0 +1,39 @@
+/*----------------------------------------------------------------------------*/
+/* Copyright (c) FIRST 2014. 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 the root directory of */
+/* the project.                                                               */
+/*----------------------------------------------------------------------------*/
+
+#pragma once
+
+#include "HAL/HAL.hpp"
+#include "SensorBase.h"
+#include "LiveWindow/LiveWindowSendable.h"
+
+/**
+ * MXP analog output class.
+ */
+class AnalogOutput : public SensorBase, public LiveWindowSendable
+{
+public:
+    explicit AnalogOutput(uint32_t channel);
+    virtual ~AnalogOutput();
+
+    void SetVoltage(float voltage);
+    float GetVoltage();
+
+    void UpdateTable();
+    void StartLiveWindowMode();
+    void StopLiveWindowMode();
+    std::string GetSmartDashboardType();
+    void InitTable(ITable *subTable);
+    ITable *GetTable();
+
+protected:
+    void InitAnalogOutput(uint32_t channel);
+    uint32_t m_channel;
+    void* m_port;
+
+    ITable *m_table;
+};