[hal, wpilib] Add systemcore IMU (#8016)

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

@@ -0,0 +1,30 @@
+// 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.
+
+#include "hal/IMU.h"
+
+extern "C" {
+// TODO(Ryan) implement sim
+void HAL_GetIMUAcceleration(HAL_Acceleration3d* accel, int32_t* status) {
+  *accel = {};
+}
+void HAL_GetIMUGyroRates(HAL_GyroRate3d* rate, int32_t* status) {
+  *rate = {};
+}
+void HAL_GetIMUEulerAngles(HAL_EulerAngles3d* angles, int32_t* status) {
+  *angles = {};
+}
+void HAL_GetIMUQuaternion(HAL_Quaternion* quat, int32_t* status) {
+  *quat = {};
+}
+double HAL_GetIMUYawFlat(int64_t* timestamp) {
+  return 0;
+}
+double HAL_GetIMUYawLandscape(int64_t* timestamp) {
+  return 0;
+}
+double HAL_GetIMUYawPortrait(int64_t* timestamp) {
+  return 0;
+}
+}  // extern "C"