Rename our allwpilib (which is now 2020) to not have 2019 in the name

Change-Id: I3c07f85ed32ab8b97db765a9b43f2a6ce7da964a
diff --git a/wpilibc/src/main/native/cpp/AnalogAccelerometer.cpp b/wpilibc/src/main/native/cpp/AnalogAccelerometer.cpp
new file mode 100644
index 0000000..be0c7d2
--- /dev/null
+++ b/wpilibc/src/main/native/cpp/AnalogAccelerometer.cpp
@@ -0,0 +1,65 @@
+/*----------------------------------------------------------------------------*/
+/* Copyright (c) 2008-2019 FIRST. 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.                                                               */
+/*----------------------------------------------------------------------------*/
+
+#include "frc/AnalogAccelerometer.h"
+
+#include <hal/FRCUsageReporting.h>
+
+#include "frc/WPIErrors.h"
+#include "frc/smartdashboard/SendableBuilder.h"
+#include "frc/smartdashboard/SendableRegistry.h"
+
+using namespace frc;
+
+AnalogAccelerometer::AnalogAccelerometer(int channel)
+    : AnalogAccelerometer(std::make_shared<AnalogInput>(channel)) {
+  SendableRegistry::GetInstance().AddChild(this, m_analogInput.get());
+}
+
+AnalogAccelerometer::AnalogAccelerometer(AnalogInput* channel)
+    : m_analogInput(channel, NullDeleter<AnalogInput>()) {
+  if (channel == nullptr) {
+    wpi_setWPIError(NullParameter);
+  } else {
+    InitAccelerometer();
+  }
+}
+
+AnalogAccelerometer::AnalogAccelerometer(std::shared_ptr<AnalogInput> channel)
+    : m_analogInput(channel) {
+  if (channel == nullptr) {
+    wpi_setWPIError(NullParameter);
+  } else {
+    InitAccelerometer();
+  }
+}
+
+double AnalogAccelerometer::GetAcceleration() const {
+  return (m_analogInput->GetAverageVoltage() - m_zeroGVoltage) / m_voltsPerG;
+}
+
+void AnalogAccelerometer::SetSensitivity(double sensitivity) {
+  m_voltsPerG = sensitivity;
+}
+
+void AnalogAccelerometer::SetZero(double zero) { m_zeroGVoltage = zero; }
+
+double AnalogAccelerometer::PIDGet() { return GetAcceleration(); }
+
+void AnalogAccelerometer::InitSendable(SendableBuilder& builder) {
+  builder.SetSmartDashboardType("Accelerometer");
+  builder.AddDoubleProperty("Value", [=]() { return GetAcceleration(); },
+                            nullptr);
+}
+
+void AnalogAccelerometer::InitAccelerometer() {
+  HAL_Report(HALUsageReporting::kResourceType_Accelerometer,
+             m_analogInput->GetChannel() + 1);
+
+  SendableRegistry::GetInstance().AddLW(this, "Accelerometer",
+                                        m_analogInput->GetChannel());
+}