[hal] Update runtime enum to allow selecting roborio 2 (#3565)

In some cases, knowing roborio 2 might be useful. This also creates a higher level enum that might be usable later for the discussion on more complex runtime types.

wpilibc/src/main/native/cppcs/RobotBase.cpp

@@ -25,6 +25,13 @@
 #include "frc/livewindow/LiveWindow.h"
 #include "frc/smartdashboard/SmartDashboard.h"
 
+static_assert(frc::RuntimeType::kRoboRIO ==
+              static_cast<frc::RuntimeType>(HAL_Runtime_RoboRIO));
+static_assert(frc::RuntimeType::kRoboRIO2 ==
+              static_cast<frc::RuntimeType>(HAL_Runtime_RoboRIO2));
+static_assert(frc::RuntimeType::kSimulation ==
+              static_cast<frc::RuntimeType>(HAL_Runtime_Simulation));
+
 using SetCameraServerSharedFP = void (*)(frc::CameraServerShared*);
 
 using namespace frc;
@@ -213,6 +220,10 @@ std::thread::id RobotBase::GetThreadId() {
   return m_threadId;
 }
 
+RuntimeType RobotBase::GetRuntimeType() {
+  return static_cast<RuntimeType>(HAL_GetRuntimeType());
+}
+
 RobotBase::RobotBase() {
   m_threadId = std::this_thread::get_id();
 

wpilibc/src/main/native/include/frc/RobotBase.h

@@ -15,6 +15,7 @@
 #include <wpi/mutex.h>
 
 #include "frc/Errors.h"
+#include "frc/RuntimeType.h"
 
 namespace frc {
 
@@ -211,6 +212,13 @@ class RobotBase {
 
   virtual void EndCompetition() = 0;
 
+  /**
+   * Get the current runtime type.
+   *
+   * @return Current runtime type.
+   */
+  static RuntimeType GetRuntimeType();
+
   /**
    * Get if the robot is real.
    *

wpilibc/src/main/native/include/frc/RuntimeType.h

@@ -0,0 +1,9 @@
+// Copyright (c) FIRST and other WPILib contributors.
+// Open Source Software; you can modify and/or share it under the terms of
+// the WPILib BSD license file in the root directory of this project.
+
+#pragma once
+
+namespace frc {
+enum RuntimeType { kRoboRIO, kRoboRIO2, kSimulation };
+}  // namespace frc