[hal] Add handle constructor and name getters for sim devices (#4925)

hal/src/main/native/athena/SimDevice.cpp

@@ -12,6 +12,10 @@ HAL_SimDeviceHandle HAL_CreateSimDevice(const char* name) {
 
 void HAL_FreeSimDevice(HAL_SimDeviceHandle handle) {}
 
+const char* HAL_GetSimDeviceName(HAL_SimDeviceHandle handle) {
+  return "";
+}
+
 HAL_SimValueHandle HAL_CreateSimValue(HAL_SimDeviceHandle device,
                                       const char* name, int32_t direction,
                                       const struct HAL_Value* initialValue) {

hal/src/main/native/cpp/jni/SimDeviceJNI.cpp

@@ -63,6 +63,18 @@ Java_edu_wpi_first_hal_SimDeviceJNI_freeSimDevice
   HAL_FreeSimDevice(handle);
 }
 
+/*
+ * Class:     edu_wpi_first_hal_SimDeviceJNI
+ * Method:    getSimDeviceName
+ * Signature: (I)Ljava/lang/String;
+ */
+JNIEXPORT jstring JNICALL
+Java_edu_wpi_first_hal_SimDeviceJNI_getSimDeviceName
+  (JNIEnv* env, jclass, jint handle)
+{
+  return MakeJString(env, HAL_GetSimDeviceName(handle));
+}
+
 /*
  * Class:     edu_wpi_first_hal_SimDeviceJNI
  * Method:    createSimValueNative

hal/src/main/native/include/hal/SimDevice.h

@@ -9,6 +9,7 @@
 #ifdef __cplusplus
 #include <initializer_list>
 #include <span>
+#include <string>
 #endif
 
 #include "hal/Types.h"
@@ -66,6 +67,14 @@ HAL_SimDeviceHandle HAL_CreateSimDevice(const char* name);
  */
 void HAL_FreeSimDevice(HAL_SimDeviceHandle handle);
 
+/**
+ * Get the name of a simulated device
+ *
+ * @param handle simulated device handle
+ * @return name of the simulated device
+ */
+const char* HAL_GetSimDeviceName(HAL_SimDeviceHandle handle);
+
 /**
  * Creates a value on a simulated device.
  *
@@ -731,6 +740,15 @@ class SimDevice {
    */
   operator HAL_SimDeviceHandle() const { return m_handle; }  // NOLINT
 
+  /**
+   * Get the name of the simulated device.
+   *
+   * @return name
+   */
+  std::string GetName() const {
+    return std::string(HAL_GetSimDeviceName(m_handle));
+  }
+
   /**
    * Creates a value on the simulated device.
    *

hal/src/main/native/sim/SimDevice.cpp

@@ -26,6 +26,10 @@ void HAL_FreeSimDevice(HAL_SimDeviceHandle handle) {
   SimSimDeviceData->FreeDevice(handle);
 }
 
+const char* HAL_GetSimDeviceName(HAL_SimDeviceHandle handle) {
+  return SimSimDeviceData->GetDeviceName(handle);
+}
+
 HAL_SimValueHandle HAL_CreateSimValue(HAL_SimDeviceHandle device,
                                       const char* name, int32_t direction,
                                       const struct HAL_Value* initialValue) {