wangchdo commented on code in PR #3248:
URL: https://github.com/apache/nuttx-apps/pull/3248#discussion_r2625669066


##########
testing/ostest/hrtimer.c:
##########
@@ -0,0 +1,180 @@
+/****************************************************************************
+ * apps/testing/ostest/hrtimer.c
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ *
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.  The
+ * ASF licenses this file to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance with the
+ * License.  You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+ * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.  See the
+ * License for the specific language governing permissions and limitations
+ * under the License.
+ *
+ ****************************************************************************/
+
+/****************************************************************************
+ * Included Files
+ ****************************************************************************/
+
+#include <nuttx/config.h>
+#include <nuttx/hrtimer.h>
+
+#include <stdio.h>
+#include <sched.h>
+#include <pthread.h>
+
+#include "ostest.h"
+
+/****************************************************************************
+ * Pre-processor Definitions
+ ****************************************************************************/
+
+#define NSEC_PER_500MS (500 * NSEC_PER_MSEC)
+
+/* Simple assertion macro for hrtimer test cases */
+
+#define HRTIMER_TEST(expr, value)                                  \
+  do                                                              \
+    {                                                             \
+      ret = (expr);                                               \
+      if (ret != (value))                                         \
+        {                                                         \
+          printf("ERROR: hrtimer test failed, line=%d ret=%d\n",  \
+                 __LINE__, ret);                                  \
+          ASSERT(false);                                          \
+        }                                                         \
+    }                                                             \
+  while (0)
+
+/****************************************************************************
+ * Private Data
+ ****************************************************************************/
+
+/* High resolution timer instance used for 500ms periodic test */
+
+static hrtimer_t test_hrtimer_500ms;

Review Comment:
   updated the test without using global variable



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