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/AnalogGyro.cpp b/wpilibc/src/main/native/cpp/AnalogGyro.cpp
new file mode 100644
index 0000000..c891506
--- /dev/null
+++ b/wpilibc/src/main/native/cpp/AnalogGyro.cpp
@@ -0,0 +1,162 @@
+/*----------------------------------------------------------------------------*/
+/* 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/AnalogGyro.h"
+
+#include <climits>
+#include <utility>
+
+#include <hal/AnalogGyro.h>
+#include <hal/Errors.h>
+#include <hal/FRCUsageReporting.h>
+
+#include "frc/AnalogInput.h"
+#include "frc/Timer.h"
+#include "frc/WPIErrors.h"
+#include "frc/smartdashboard/SendableRegistry.h"
+
+using namespace frc;
+
+AnalogGyro::AnalogGyro(int channel)
+    : AnalogGyro(std::make_shared<AnalogInput>(channel)) {
+  SendableRegistry::GetInstance().AddChild(this, m_analog.get());
+}
+
+AnalogGyro::AnalogGyro(AnalogInput* channel)
+    : AnalogGyro(
+          std::shared_ptr<AnalogInput>(channel, NullDeleter<AnalogInput>())) {}
+
+AnalogGyro::AnalogGyro(std::shared_ptr<AnalogInput> channel)
+    : m_analog(channel) {
+  if (channel == nullptr) {
+    wpi_setWPIError(NullParameter);
+  } else {
+    InitGyro();
+    Calibrate();
+  }
+}
+
+AnalogGyro::AnalogGyro(int channel, int center, double offset)
+    : AnalogGyro(std::make_shared<AnalogInput>(channel), center, offset) {
+  SendableRegistry::GetInstance().AddChild(this, m_analog.get());
+}
+
+AnalogGyro::AnalogGyro(std::shared_ptr<AnalogInput> channel, int center,
+                       double offset)
+    : m_analog(channel) {
+  if (channel == nullptr) {
+    wpi_setWPIError(NullParameter);
+  } else {
+    InitGyro();
+    int32_t status = 0;
+    HAL_SetAnalogGyroParameters(m_gyroHandle, kDefaultVoltsPerDegreePerSecond,
+                                offset, center, &status);
+    if (status != 0) {
+      wpi_setHALError(status);
+      m_gyroHandle = HAL_kInvalidHandle;
+      return;
+    }
+    Reset();
+  }
+}
+
+AnalogGyro::~AnalogGyro() { HAL_FreeAnalogGyro(m_gyroHandle); }
+
+double AnalogGyro::GetAngle() const {
+  if (StatusIsFatal()) return 0.0;
+  int32_t status = 0;
+  double value = HAL_GetAnalogGyroAngle(m_gyroHandle, &status);
+  wpi_setHALError(status);
+  return value;
+}
+
+double AnalogGyro::GetRate() const {
+  if (StatusIsFatal()) return 0.0;
+  int32_t status = 0;
+  double value = HAL_GetAnalogGyroRate(m_gyroHandle, &status);
+  wpi_setHALError(status);
+  return value;
+}
+
+int AnalogGyro::GetCenter() const {
+  if (StatusIsFatal()) return 0;
+  int32_t status = 0;
+  int value = HAL_GetAnalogGyroCenter(m_gyroHandle, &status);
+  wpi_setHALError(status);
+  return value;
+}
+
+double AnalogGyro::GetOffset() const {
+  if (StatusIsFatal()) return 0.0;
+  int32_t status = 0;
+  double value = HAL_GetAnalogGyroOffset(m_gyroHandle, &status);
+  wpi_setHALError(status);
+  return value;
+}
+
+void AnalogGyro::SetSensitivity(double voltsPerDegreePerSecond) {
+  int32_t status = 0;
+  HAL_SetAnalogGyroVoltsPerDegreePerSecond(m_gyroHandle,
+                                           voltsPerDegreePerSecond, &status);
+  wpi_setHALError(status);
+}
+
+void AnalogGyro::SetDeadband(double volts) {
+  if (StatusIsFatal()) return;
+  int32_t status = 0;
+  HAL_SetAnalogGyroDeadband(m_gyroHandle, volts, &status);
+  wpi_setHALError(status);
+}
+
+void AnalogGyro::Reset() {
+  if (StatusIsFatal()) return;
+  int32_t status = 0;
+  HAL_ResetAnalogGyro(m_gyroHandle, &status);
+  wpi_setHALError(status);
+}
+
+void AnalogGyro::InitGyro() {
+  if (StatusIsFatal()) return;
+  if (m_gyroHandle == HAL_kInvalidHandle) {
+    int32_t status = 0;
+    m_gyroHandle = HAL_InitializeAnalogGyro(m_analog->m_port, &status);
+    if (status == PARAMETER_OUT_OF_RANGE) {
+      wpi_setWPIErrorWithContext(ParameterOutOfRange,
+                                 " channel (must be accumulator channel)");
+      m_analog = nullptr;
+      m_gyroHandle = HAL_kInvalidHandle;
+      return;
+    }
+    if (status != 0) {
+      wpi_setHALError(status);
+      m_analog = nullptr;
+      m_gyroHandle = HAL_kInvalidHandle;
+      return;
+    }
+  }
+
+  int32_t status = 0;
+  HAL_SetupAnalogGyro(m_gyroHandle, &status);
+  if (status != 0) {
+    wpi_setHALError(status);
+    m_analog = nullptr;
+    m_gyroHandle = HAL_kInvalidHandle;
+    return;
+  }
+
+  HAL_Report(HALUsageReporting::kResourceType_Gyro, m_analog->GetChannel() + 1);
+
+  SendableRegistry::GetInstance().AddLW(this, "AnalogGyro",
+                                        m_analog->GetChannel());
+}
+
+void AnalogGyro::Calibrate() {
+  if (StatusIsFatal()) return;
+  int32_t status = 0;
+  HAL_CalibrateAnalogGyro(m_gyroHandle, &status);
+  wpi_setHALError(status);
+}