diff --git a/wpilibc/simulation/src/DriverStation.cpp b/wpilibc/simulation/src/DriverStation.cpp
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--- /dev/null
+++ b/wpilibc/simulation/src/DriverStation.cpp
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+/*----------------------------------------------------------------------------*/
+/* 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 "DriverStation.h"
+#include "AnalogInput.h"
+#include "Timer.h"
+#include "NetworkCommunication/FRCComm.h"
+#include "MotorSafetyHelper.h"
+#include "Utility.h"
+#include "WPIErrors.h"
+#include <string.h>
+#include "Log.hpp"
+
+// set the logging level
+TLogLevel dsLogLevel = logDEBUG;
+const double JOYSTICK_UNPLUGGED_MESSAGE_INTERVAL = 1.0;
+
+#define DS_LOG(level) \
+  if (level > dsLogLevel) ; \
+  else Log().Get(level)
+
+const uint32_t DriverStation::kJoystickPorts;
+
+/**
+ * DriverStation constructor.
+ *
+ * This is only called once the first time GetInstance() is called
+ */
+DriverStation::DriverStation() {
+  // All joysticks should default to having zero axes, povs and buttons, so
+  // uninitialized memory doesn't get sent to speed controllers.
+  for (unsigned int i = 0; i < kJoystickPorts; i++) {
+    m_joystickAxes[i].count = 0;
+    m_joystickPOVs[i].count = 0;
+    m_joystickButtons[i].count = 0;
+    m_joystickDescriptor[i].isXbox = 0;
+    m_joystickDescriptor[i].type = -1;
+    m_joystickDescriptor[i].name[0] = '\0';
+  }
+  // Register that semaphore with the network communications task.
+  // It will signal when new packet data is available.
+  HALSetNewDataSem(m_packetDataAvailableCond.native_handle());
+
+  AddToSingletonList();
+
+}
+
+void DriverStation::Run() {
+  int period = 0;
+  while (true) {
+    {
+      std::unique_lock<priority_mutex> lock(m_packetDataAvailableMutex);
+      m_packetDataAvailableCond.wait(lock);
+    }
+    GetData();
+    m_waitForDataCond.notify_all();
+
+    if (++period >= 4) {
+      MotorSafetyHelper::CheckMotors();
+      period = 0;
+    }
+    if (m_userInDisabled) HALNetworkCommunicationObserveUserProgramDisabled();
+    if (m_userInAutonomous) HALNetworkCommunicationObserveUserProgramAutonomous();
+    if (m_userInTeleop) HALNetworkCommunicationObserveUserProgramTeleop();
+    if (m_userInTest) HALNetworkCommunicationObserveUserProgramTest();
+  }
+}
+
+/**
+ * Return a reference to the singleton DriverStation.
+ * @return Pointer to the DS instance
+ */
+DriverStation &DriverStation::GetInstance() {
+  static DriverStation instance;
+  return instance;
+}
+
+/**
+ * Copy data from the DS task for the user.
+ * If no new data exists, it will just be returned, otherwise
+ * the data will be copied from the DS polling loop.
+ */
+void DriverStation::GetData() {
+  // Get the status of all of the joysticks
+  for (uint8_t stick = 0; stick < kJoystickPorts; stick++) {
+    HALGetJoystickAxes(stick, &m_joystickAxes[stick]);
+    HALGetJoystickPOVs(stick, &m_joystickPOVs[stick]);
+    HALGetJoystickButtons(stick, &m_joystickButtons[stick]);
+    HALGetJoystickDescriptor(stick, &m_joystickDescriptor[stick]);
+  }
+  m_newControlData.give();
+}
+
+/**
+ * Read the battery voltage.
+ *
+ * @return The battery voltage in Volts.
+ */
+float DriverStation::GetBatteryVoltage() const {
+  int32_t status = 0;
+  float voltage = getVinVoltage(&status);
+  wpi_setErrorWithContext(status, "getVinVoltage");
+
+  return voltage;
+}
+
+/**
+ * Reports errors related to unplugged joysticks
+ * Throttles the errors so that they don't overwhelm the DS
+ */
+void DriverStation::ReportJoystickUnpluggedError(std::string message) {
+  double currentTime = Timer::GetFPGATimestamp();
+  if (currentTime > m_nextMessageTime) {
+    ReportError(message);
+    m_nextMessageTime = currentTime + JOYSTICK_UNPLUGGED_MESSAGE_INTERVAL;
+  }
+}
+
+/**
+ * Returns the number of axes on a given joystick port
+ *
+ * @param stick The joystick port number
+ * @return The number of axes on the indicated joystick
+ */
+int DriverStation::GetStickAxisCount(uint32_t stick) const {
+  if (stick >= kJoystickPorts) {
+    wpi_setWPIError(BadJoystickIndex);
+    return 0;
+  }
+  HALJoystickAxes joystickAxes;
+  HALGetJoystickAxes(stick, &joystickAxes);
+  return joystickAxes.count;
+}
+
+/**
+ * Returns the name of the joystick at the given port
+ *
+ * @param stick The joystick port number
+ * @return The name of the joystick at the given port
+ */
+std::string DriverStation::GetJoystickName(uint32_t stick) const {
+  if (stick >= kJoystickPorts) {
+    wpi_setWPIError(BadJoystickIndex);
+  }
+  std::string retVal(m_joystickDescriptor[0].name);
+  return retVal;
+}
+
+/**
+ * Returns the type of joystick at a given port
+ *
+ * @param stick The joystick port number
+ * @return The HID type of joystick at the given port
+ */
+int DriverStation::GetJoystickType(uint32_t stick) const {
+  if (stick >= kJoystickPorts) {
+    wpi_setWPIError(BadJoystickIndex);
+    return -1;
+  }
+  return (int)m_joystickDescriptor[stick].type;
+}
+
+/**
+ * Returns a boolean indicating if the controller is an xbox controller.
+ *
+ * @param stick The joystick port number
+ * @return A boolean that is true if the controller is an xbox controller.
+ */
+bool DriverStation::GetJoystickIsXbox(uint32_t stick) const {
+  if (stick >= kJoystickPorts) {
+    wpi_setWPIError(BadJoystickIndex);
+    return false;
+  }
+  return (bool)m_joystickDescriptor[stick].isXbox;
+}
+
+/**
+ * Returns the types of Axes on a given joystick port
+ *
+ * @param stick The joystick port number and the target axis
+ * @return What type of axis the axis is reporting to be
+ */
+int DriverStation::GetJoystickAxisType(uint32_t stick, uint8_t axis) const {
+  if (stick >= kJoystickPorts) {
+    wpi_setWPIError(BadJoystickIndex);
+    return -1;
+  }
+  return m_joystickDescriptor[stick].axisTypes[axis];
+}
+
+/**
+ * Returns the number of POVs on a given joystick port
+ *
+ * @param stick The joystick port number
+ * @return The number of POVs on the indicated joystick
+ */
+int DriverStation::GetStickPOVCount(uint32_t stick) const {
+  if (stick >= kJoystickPorts) {
+    wpi_setWPIError(BadJoystickIndex);
+    return 0;
+  }
+  HALJoystickPOVs joystickPOVs;
+  HALGetJoystickPOVs(stick, &joystickPOVs);
+  return joystickPOVs.count;
+}
+
+/**
+ * Returns the number of buttons on a given joystick port
+ *
+ * @param stick The joystick port number
+ * @return The number of buttons on the indicated joystick
+ */
+int DriverStation::GetStickButtonCount(uint32_t stick) const {
+  if (stick >= kJoystickPorts) {
+    wpi_setWPIError(BadJoystickIndex);
+    return 0;
+  }
+  HALJoystickButtons joystickButtons;
+  HALGetJoystickButtons(stick, &joystickButtons);
+  return joystickButtons.count;
+}
+
+/**
+ * Get the value of the axis on a joystick.
+ * This depends on the mapping of the joystick connected to the specified port.
+ *
+ * @param stick The joystick to read.
+ * @param axis The analog axis value to read from the joystick.
+ * @return The value of the axis on the joystick.
+ */
+float DriverStation::GetStickAxis(uint32_t stick, uint32_t axis) {
+  if (stick >= kJoystickPorts) {
+    wpi_setWPIError(BadJoystickIndex);
+    return 0;
+  }
+
+  if (axis >= m_joystickAxes[stick].count) {
+    if (axis >= kMaxJoystickAxes) {
+      wpi_setWPIError(BadJoystickAxis);
+    }
+    else {
+      ReportJoystickUnpluggedError(
+          "WARNING: Joystick Axis missing, check if all controllers are "
+          "plugged in\n");
+    }
+    return 0.0f;
+  }
+
+  int8_t value = m_joystickAxes[stick].axes[axis];
+
+  if (value < 0) {
+    return value / 128.0f;
+  } else {
+    return value / 127.0f;
+  }
+}
+
+/**
+ * Get the state of a POV on the joystick.
+ *
+ * @return the angle of the POV in degrees, or -1 if the POV is not pressed.
+ */
+int DriverStation::GetStickPOV(uint32_t stick, uint32_t pov) {
+  if (stick >= kJoystickPorts) {
+    wpi_setWPIError(BadJoystickIndex);
+    return -1;
+  }
+
+  if (pov >= m_joystickPOVs[stick].count) {
+    if (pov >= kMaxJoystickPOVs) {
+      wpi_setWPIError(BadJoystickAxis);
+    }
+    else {
+      ReportJoystickUnpluggedError(
+          "WARNING: Joystick POV missing, check if all controllers are plugged "
+          "in\n");
+    }
+    return -1;
+  }
+
+  return m_joystickPOVs[stick].povs[pov];
+}
+
+/**
+ * The state of the buttons on the joystick.
+ *
+ * @param stick The joystick to read.
+ * @return The state of the buttons on the joystick.
+ */
+uint32_t DriverStation::GetStickButtons(uint32_t stick) const {
+  if (stick >= kJoystickPorts) {
+    wpi_setWPIError(BadJoystickIndex);
+    return 0;
+  }
+
+  return m_joystickButtons[stick].buttons;
+}
+
+/**
+ * The state of one joystick button. Button indexes begin at 1.
+ *
+ * @param stick The joystick to read.
+ * @param button The button index, beginning at 1.
+ * @return The state of the joystick button.
+ */
+bool DriverStation::GetStickButton(uint32_t stick, uint8_t button) {
+  if (stick >= kJoystickPorts) {
+    wpi_setWPIError(BadJoystickIndex);
+    return false;
+  }
+
+  if (button > m_joystickButtons[stick].count) {
+    ReportJoystickUnpluggedError(
+        "WARNING: Joystick Button missing, check if all controllers are "
+        "plugged in\n");
+    return false;
+  }
+  if (button == 0) {
+    ReportJoystickUnpluggedError(
+        "ERROR: Button indexes begin at 1 in WPILib for C++ and Java");
+    return false;
+  }
+  return ((0x1 << (button - 1)) & m_joystickButtons[stick].buttons) != 0;
+}
+
+/**
+ * Check if the DS has enabled the robot
+ * @return True if the robot is enabled and the DS is connected
+ */
+bool DriverStation::IsEnabled() const {
+  HALControlWord controlWord;
+  memset(&controlWord, 0, sizeof(controlWord));
+  HALGetControlWord(&controlWord);
+  return controlWord.enabled && controlWord.dsAttached;
+}
+
+/**
+ * Check if the robot is disabled
+ * @return True if the robot is explicitly disabled or the DS is not connected
+ */
+bool DriverStation::IsDisabled() const {
+  HALControlWord controlWord;
+  memset(&controlWord, 0, sizeof(controlWord));
+  HALGetControlWord(&controlWord);
+  return !(controlWord.enabled && controlWord.dsAttached);
+}
+
+/**
+ * Check if the DS is commanding autonomous mode
+ * @return True if the robot is being commanded to be in autonomous mode
+ */
+bool DriverStation::IsAutonomous() const {
+  HALControlWord controlWord;
+  memset(&controlWord, 0, sizeof(controlWord));
+  HALGetControlWord(&controlWord);
+  return controlWord.autonomous;
+}
+
+/**
+ * Check if the DS is commanding teleop mode
+ * @return True if the robot is being commanded to be in teleop mode
+ */
+bool DriverStation::IsOperatorControl() const {
+  HALControlWord controlWord;
+  memset(&controlWord, 0, sizeof(controlWord));
+  HALGetControlWord(&controlWord);
+  return !(controlWord.autonomous || controlWord.test);
+}
+
+/**
+ * Check if the DS is commanding test mode
+ * @return True if the robot is being commanded to be in test mode
+ */
+bool DriverStation::IsTest() const {
+  HALControlWord controlWord;
+  HALGetControlWord(&controlWord);
+  return controlWord.test;
+}
+
+/**
+ * Check if the DS is attached
+ * @return True if the DS is connected to the robot
+ */
+bool DriverStation::IsDSAttached() const {
+  HALControlWord controlWord;
+  memset(&controlWord, 0, sizeof(controlWord));
+  HALGetControlWord(&controlWord);
+  return controlWord.dsAttached;
+}
+
+/**
+ * @return always true in simulation
+ */
+bool DriverStation::IsSysActive() const {
+  return true;
+}
+
+/**
+ * @return always false in simulation
+ */
+bool DriverStation::IsSysBrownedOut() const {
+  return false;
+}
+
+/**
+ * Has a new control packet from the driver station arrived since the last time
+ * this function was called?
+ * Warning: If you call this function from more than one place at the same time,
+ * you will not get the get the intended behaviour.
+ * @return True if the control data has been updated since the last call.
+ */
+bool DriverStation::IsNewControlData() const {
+  return m_newControlData.tryTake() == false;
+}
+
+/**
+ * Is the driver station attached to a Field Management System?
+ * @return True if the robot is competing on a field being controlled by a Field
+ * Management System
+ */
+bool DriverStation::IsFMSAttached() const {
+  HALControlWord controlWord;
+  HALGetControlWord(&controlWord);
+  return controlWord.fmsAttached;
+}
+
+/**
+ * Return the alliance that the driver station says it is on.
+ * This could return kRed or kBlue
+ * @return The Alliance enum (kRed, kBlue or kInvalid)
+ */
+DriverStation::Alliance DriverStation::GetAlliance() const {
+  HALAllianceStationID allianceStationID;
+  HALGetAllianceStation(&allianceStationID);
+  switch (allianceStationID) {
+    case kHALAllianceStationID_red1:
+    case kHALAllianceStationID_red2:
+    case kHALAllianceStationID_red3:
+      return kRed;
+    case kHALAllianceStationID_blue1:
+    case kHALAllianceStationID_blue2:
+    case kHALAllianceStationID_blue3:
+      return kBlue;
+    default:
+      return kInvalid;
+  }
+}
+
+/**
+ * Return the driver station location on the field
+ * This could return 1, 2, or 3
+ * @return The location of the driver station (1-3, 0 for invalid)
+ */
+uint32_t DriverStation::GetLocation() const {
+  HALAllianceStationID allianceStationID;
+  HALGetAllianceStation(&allianceStationID);
+  switch (allianceStationID) {
+    case kHALAllianceStationID_red1:
+    case kHALAllianceStationID_blue1:
+      return 1;
+    case kHALAllianceStationID_red2:
+    case kHALAllianceStationID_blue2:
+      return 2;
+    case kHALAllianceStationID_red3:
+    case kHALAllianceStationID_blue3:
+      return 3;
+    default:
+      return 0;
+  }
+}
+
+/**
+ * Wait until a new packet comes from the driver station
+ * This blocks on a semaphore, so the waiting is efficient.
+ * This is a good way to delay processing until there is new driver station data
+ * to act on
+ */
+void DriverStation::WaitForData() {
+  std::unique_lock<priority_mutex> lock(m_waitForDataMutex);
+  m_waitForDataCond.wait(lock);
+}
+
+/**
+ * Return the approximate match time
+ * The FMS does not send an official match time to the robots, but does send an
+ * approximate match time.
+ * The value will count down the time remaining in the current period (auto or
+ * teleop).
+ * Warning: This is not an official time (so it cannot be used to dispute ref
+ * calls or guarantee that a function
+ * will trigger before the match ends)
+ * The Practice Match function of the DS approximates the behaviour seen on the
+ * field.
+ * @return Time remaining in current match period (auto or teleop)
+ */
+double DriverStation::GetMatchTime() const {
+  float matchTime;
+  HALGetMatchTime(&matchTime);
+  return (double)matchTime;
+}
+
+/**
+ * Report an error to the DriverStation messages window.
+ * The error is also printed to the program console.
+ */
+void DriverStation::ReportError(std::string error) {
+  std::cout << error << std::endl;
+
+  HALControlWord controlWord;
+  HALGetControlWord(&controlWord);
+  if (controlWord.dsAttached) {
+    HALSetErrorData(error.c_str(), error.size(), 0);
+  }
+}