diff --git a/UNITTESTS/target_h/rtos/Mutex.h b/UNITTESTS/target_h/rtos/Mutex.h
deleted file mode 100644
index a92abd8..0000000
--- a/UNITTESTS/target_h/rtos/Mutex.h
+++ /dev/null
@@ -1,49 +0,0 @@
-/*
- * Copyright (c) , Arm Limited and affiliates.
- * SPDX-License-Identifier: Apache-2.0
- *
- * Licensed 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.
- */
-#ifndef __MUTEX_H__
-#define __MUTEX_H__
-
-#include <inttypes.h>
-#include "rtos/mbed_rtos_types.h"
-#include "rtos/internal/mbed_rtos1_types.h"
-
-namespace rtos {
-
-class Mutex {
-public:
-    Mutex();
-
-    Mutex(const char *name);
-
-    osStatus lock();
-
-    bool trylock();
-
-    bool trylock_for(uint32_t millisec);
-
-    bool trylock_until(uint64_t millisec);
-
-    osStatus unlock();
-
-    osThreadId_t get_owner();
-
-    ~Mutex();
-};
-
-}
-
-#endif
diff --git a/UNITTESTS/target_h/rtos/Semaphore.h b/UNITTESTS/target_h/rtos/Semaphore.h
deleted file mode 100644
index aecea8f..0000000
--- a/UNITTESTS/target_h/rtos/Semaphore.h
+++ /dev/null
@@ -1,42 +0,0 @@
-/* Copyright (c) 2019 ARM Limited
- * SPDX-License-Identifier: Apache-2.0
- *
- * Licensed 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.
- */
-
-#ifndef SEMAPHORE_H
-#define SEMAPHORE_H
-
-#include <stdint.h>
-#include "internal/mbed_rtos1_types.h"
-#include "rtos/Kernel.h"
-
-namespace rtos {
-class Semaphore  {
-public:
-    Semaphore(int32_t count = 0);
-    Semaphore(int32_t count, uint16_t max_count);
-    void acquire();
-    bool try_acquire();
-    bool try_acquire_for(uint32_t millisec);
-    bool try_acquire_for(Kernel::Clock::duration_u32 rel_time);
-    bool try_acquire_until(uint64_t millisec);
-    bool try_acquire_until(Kernel::Clock::time_point abs_time);
-    osStatus release(void);
-    ~Semaphore();
-private:
-    void constructor(int32_t count, uint16_t max_count);
-};
-}
-
-#endif
diff --git a/UNITTESTS/target_h/rtos/Thread.h b/UNITTESTS/target_h/rtos/Thread.h
deleted file mode 100644
index 1fa8e47..0000000
--- a/UNITTESTS/target_h/rtos/Thread.h
+++ /dev/null
@@ -1,111 +0,0 @@
-/*
- * Copyright (c) 2019 ARM Limited
- * SPDX-License-Identifier: MIT
- *
- * Permission is hereby granted, free of charge, to any person obtaining a copy
- * of this software and associated documentation files (the "Software"), to deal
- * in the Software without restriction, including without limitation the rights
- * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
- * copies of the Software, and to permit persons to whom the Software is
- * furnished to do so, subject to the following conditions:
- *
- * The above copyright notice and this permission notice shall be included in
- * all copies or substantial portions of the Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
- * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
- * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
- * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
- * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
- * SOFTWARE.
- */
-#ifndef THREAD_H
-#define THREAD_H
-
-#include <stdint.h>
-#include "cmsis_os.h"
-#include "platform/Callback.h"
-
-#define OS_STACK_SIZE 0
-
-namespace rtos {
-
-class Thread {
-public:
-
-    Thread(osPriority priority = osPriorityNormal,
-           uint32_t stack_size = OS_STACK_SIZE,
-           unsigned char *stack_mem = nullptr, const char *name = nullptr)
-    {
-    }
-
-    Thread(uint32_t tz_module, osPriority priority = osPriorityNormal,
-           uint32_t stack_size = OS_STACK_SIZE,
-           unsigned char *stack_mem = nullptr, const char *name = nullptr)
-    {
-    }
-
-    osStatus start(mbed::Callback<void()> task);
-
-    osStatus join() {return 0;};
-    osStatus terminate();
-    osStatus set_priority(osPriority priority){return 0;};
-    osPriority get_priority() const{return osPriorityNormal;};
-    uint32_t flags_set(uint32_t flags){return 0;};
-
-    /** State of the Thread */
-    enum State {
-        Inactive,           /**< NOT USED */
-        Ready,              /**< Ready to run */
-        Running,            /**< Running */
-        WaitingDelay,       /**< Waiting for a delay to occur */
-        WaitingJoin,        /**< Waiting for thread to join. Only happens when using RTX directly. */
-        WaitingThreadFlag,  /**< Waiting for a thread flag to be set */
-        WaitingEventFlag,   /**< Waiting for a event flag to be set */
-        WaitingMutex,       /**< Waiting for a mutex event to occur */
-        WaitingSemaphore,   /**< Waiting for a semaphore event to occur */
-        WaitingMemoryPool,  /**< Waiting for a memory pool */
-        WaitingMessageGet,  /**< Waiting for message to arrive */
-        WaitingMessagePut,  /**< Waiting for message to be send */
-        WaitingInterval,    /**< NOT USED */
-        WaitingOr,          /**< NOT USED */
-        WaitingAnd,         /**< NOT USED */
-        WaitingMailbox,     /**< NOT USED (Mail is implemented as MemoryPool and Queue) */
-
-        /* Not in sync with RTX below here */
-        Deleted,            /**< The task has been deleted or not started */
-    };
-
-    State get_state() const {
-      return Ready;
-    };
-    uint32_t stack_size() const {
-      return 0;
-    };
-    uint32_t free_stack() const {
-      return 0;
-    };
-    uint32_t used_stack() const {
-      return 0;
-    };
-    uint32_t max_stack() const {
-      return 0;
-    };
-    const char *get_name() const {
-      return "";
-    };
-    osThreadId_t get_id() const {
-      return 0;
-    };
-    virtual ~Thread();
-private:
-    // Required to share definitions without
-    // delegated constructors
-    void constructor(osPriority priority = osPriorityNormal,
-                     uint32_t stack_size = OS_STACK_SIZE,
-                     unsigned char *stack_mem = nullptr,
-                     const char *name = nullptr);
-};
-}
-#endif
diff --git a/UNITTESTS/target_h/rtos/include/rtos/internal/mbed_rtos1_types.h b/UNITTESTS/target_h/rtos/include/rtos/internal/mbed_rtos1_types.h
deleted file mode 100644
index 4ff0189..0000000
--- a/UNITTESTS/target_h/rtos/include/rtos/internal/mbed_rtos1_types.h
+++ /dev/null
@@ -1,24 +0,0 @@
-/*
- * Copyright (c) 2017, Arm Limited and affiliates.
- * SPDX-License-Identifier: Apache-2.0
- *
- * Licensed 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.
- */
-
-#ifndef MBED_RTOS1_TYPES_H
-#define MBED_RTOS1_TYPES_H
-
-#include "cmsis_os.h"
-#include "mbed_rtos_storage.h"
-
-#endif // MBED_RTOS1_TYPES_H
diff --git a/UNITTESTS/target_h/rtos/include/rtos/internal/mbed_rtos_storage.h b/UNITTESTS/target_h/rtos/include/rtos/internal/mbed_rtos_storage.h
deleted file mode 100644
index c160374..0000000
--- a/UNITTESTS/target_h/rtos/include/rtos/internal/mbed_rtos_storage.h
+++ /dev/null
@@ -1,38 +0,0 @@
-/*
- * Copyright (c) 2017, Arm Limited and affiliates.
- * SPDX-License-Identifier: Apache-2.0
- *
- * Licensed 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.
- */
-
-#ifndef MBED_RTOS_STORAGE_H
-#define MBED_RTOS_STORAGE_H
-
-#ifdef __cplusplus
-extern "C" {
-#endif
-
-#include "mbed_rtos_types.h"
-#include "rtx_os.h"
-#include "rtx_lib.h"
-#include "mbed_rtx_conf.h"
-
-typedef os_semaphore_t mbed_rtos_storage_semaphore_t;
-typedef os_thread_t mbed_rtos_storage_thread_t;
-typedef osRtxEventFlags_t mbed_rtos_storage_event_flags_t;
-
-#ifdef __cplusplus
-}
-#endif
-
-#endif
diff --git a/UNITTESTS/target_h/rtos/rtos.h b/UNITTESTS/target_h/rtos/rtos.h
deleted file mode 100644
index b624678..0000000
--- a/UNITTESTS/target_h/rtos/rtos.h
+++ /dev/null
@@ -1,26 +0,0 @@
-/*
- * Copyright (c) 2018, Arm Limited and affiliates.
- * SPDX-License-Identifier: Apache-2.0
- *
- * Licensed 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.
- */
-
-#ifndef RTOS_H
-#define RTOS_H
-
-typedef enum {
-    osTimerOnce             = 0,          ///< One-shot timer.
-    osTimerPeriodic         = 1           ///< Repeating timer.
-} os_timer_type;
-
-#endif /* RTOS_H */
diff --git a/rtos/tests/UNITTESTS/doubles/CMakeLists.txt b/rtos/tests/UNITTESTS/doubles/CMakeLists.txt
index babf17c..ed8440d 100644
--- a/rtos/tests/UNITTESTS/doubles/CMakeLists.txt
+++ b/rtos/tests/UNITTESTS/doubles/CMakeLists.txt
@@ -5,6 +5,7 @@
 
 target_include_directories(mbed-headers-rtos
     INTERFACE
+        .
         ${mbed-os_SOURCE_DIR}/rtos/include
         ${mbed-os_SOURCE_DIR}/rtos/include/rtos
 )
diff --git a/rtos/tests/UNITTESTS/doubles/rtos/Mutex.h b/rtos/tests/UNITTESTS/doubles/rtos/Mutex.h
new file mode 100644
index 0000000..a92abd8
--- /dev/null
+++ b/rtos/tests/UNITTESTS/doubles/rtos/Mutex.h
@@ -0,0 +1,49 @@
+/*
+ * Copyright (c) , Arm Limited and affiliates.
+ * SPDX-License-Identifier: Apache-2.0
+ *
+ * Licensed 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.
+ */
+#ifndef __MUTEX_H__
+#define __MUTEX_H__
+
+#include <inttypes.h>
+#include "rtos/mbed_rtos_types.h"
+#include "rtos/internal/mbed_rtos1_types.h"
+
+namespace rtos {
+
+class Mutex {
+public:
+    Mutex();
+
+    Mutex(const char *name);
+
+    osStatus lock();
+
+    bool trylock();
+
+    bool trylock_for(uint32_t millisec);
+
+    bool trylock_until(uint64_t millisec);
+
+    osStatus unlock();
+
+    osThreadId_t get_owner();
+
+    ~Mutex();
+};
+
+}
+
+#endif
diff --git a/rtos/tests/UNITTESTS/doubles/rtos/Semaphore.h b/rtos/tests/UNITTESTS/doubles/rtos/Semaphore.h
new file mode 100644
index 0000000..aecea8f
--- /dev/null
+++ b/rtos/tests/UNITTESTS/doubles/rtos/Semaphore.h
@@ -0,0 +1,42 @@
+/* Copyright (c) 2019 ARM Limited
+ * SPDX-License-Identifier: Apache-2.0
+ *
+ * Licensed 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.
+ */
+
+#ifndef SEMAPHORE_H
+#define SEMAPHORE_H
+
+#include <stdint.h>
+#include "internal/mbed_rtos1_types.h"
+#include "rtos/Kernel.h"
+
+namespace rtos {
+class Semaphore  {
+public:
+    Semaphore(int32_t count = 0);
+    Semaphore(int32_t count, uint16_t max_count);
+    void acquire();
+    bool try_acquire();
+    bool try_acquire_for(uint32_t millisec);
+    bool try_acquire_for(Kernel::Clock::duration_u32 rel_time);
+    bool try_acquire_until(uint64_t millisec);
+    bool try_acquire_until(Kernel::Clock::time_point abs_time);
+    osStatus release(void);
+    ~Semaphore();
+private:
+    void constructor(int32_t count, uint16_t max_count);
+};
+}
+
+#endif
diff --git a/rtos/tests/UNITTESTS/doubles/rtos/Thread.h b/rtos/tests/UNITTESTS/doubles/rtos/Thread.h
new file mode 100644
index 0000000..1fa8e47
--- /dev/null
+++ b/rtos/tests/UNITTESTS/doubles/rtos/Thread.h
@@ -0,0 +1,111 @@
+/*
+ * Copyright (c) 2019 ARM Limited
+ * SPDX-License-Identifier: MIT
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+#ifndef THREAD_H
+#define THREAD_H
+
+#include <stdint.h>
+#include "cmsis_os.h"
+#include "platform/Callback.h"
+
+#define OS_STACK_SIZE 0
+
+namespace rtos {
+
+class Thread {
+public:
+
+    Thread(osPriority priority = osPriorityNormal,
+           uint32_t stack_size = OS_STACK_SIZE,
+           unsigned char *stack_mem = nullptr, const char *name = nullptr)
+    {
+    }
+
+    Thread(uint32_t tz_module, osPriority priority = osPriorityNormal,
+           uint32_t stack_size = OS_STACK_SIZE,
+           unsigned char *stack_mem = nullptr, const char *name = nullptr)
+    {
+    }
+
+    osStatus start(mbed::Callback<void()> task);
+
+    osStatus join() {return 0;};
+    osStatus terminate();
+    osStatus set_priority(osPriority priority){return 0;};
+    osPriority get_priority() const{return osPriorityNormal;};
+    uint32_t flags_set(uint32_t flags){return 0;};
+
+    /** State of the Thread */
+    enum State {
+        Inactive,           /**< NOT USED */
+        Ready,              /**< Ready to run */
+        Running,            /**< Running */
+        WaitingDelay,       /**< Waiting for a delay to occur */
+        WaitingJoin,        /**< Waiting for thread to join. Only happens when using RTX directly. */
+        WaitingThreadFlag,  /**< Waiting for a thread flag to be set */
+        WaitingEventFlag,   /**< Waiting for a event flag to be set */
+        WaitingMutex,       /**< Waiting for a mutex event to occur */
+        WaitingSemaphore,   /**< Waiting for a semaphore event to occur */
+        WaitingMemoryPool,  /**< Waiting for a memory pool */
+        WaitingMessageGet,  /**< Waiting for message to arrive */
+        WaitingMessagePut,  /**< Waiting for message to be send */
+        WaitingInterval,    /**< NOT USED */
+        WaitingOr,          /**< NOT USED */
+        WaitingAnd,         /**< NOT USED */
+        WaitingMailbox,     /**< NOT USED (Mail is implemented as MemoryPool and Queue) */
+
+        /* Not in sync with RTX below here */
+        Deleted,            /**< The task has been deleted or not started */
+    };
+
+    State get_state() const {
+      return Ready;
+    };
+    uint32_t stack_size() const {
+      return 0;
+    };
+    uint32_t free_stack() const {
+      return 0;
+    };
+    uint32_t used_stack() const {
+      return 0;
+    };
+    uint32_t max_stack() const {
+      return 0;
+    };
+    const char *get_name() const {
+      return "";
+    };
+    osThreadId_t get_id() const {
+      return 0;
+    };
+    virtual ~Thread();
+private:
+    // Required to share definitions without
+    // delegated constructors
+    void constructor(osPriority priority = osPriorityNormal,
+                     uint32_t stack_size = OS_STACK_SIZE,
+                     unsigned char *stack_mem = nullptr,
+                     const char *name = nullptr);
+};
+}
+#endif
diff --git a/rtos/tests/UNITTESTS/doubles/rtos/internal/mbed_rtos1_types.h b/rtos/tests/UNITTESTS/doubles/rtos/internal/mbed_rtos1_types.h
new file mode 100644
index 0000000..4ff0189
--- /dev/null
+++ b/rtos/tests/UNITTESTS/doubles/rtos/internal/mbed_rtos1_types.h
@@ -0,0 +1,24 @@
+/*
+ * Copyright (c) 2017, Arm Limited and affiliates.
+ * SPDX-License-Identifier: Apache-2.0
+ *
+ * Licensed 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.
+ */
+
+#ifndef MBED_RTOS1_TYPES_H
+#define MBED_RTOS1_TYPES_H
+
+#include "cmsis_os.h"
+#include "mbed_rtos_storage.h"
+
+#endif // MBED_RTOS1_TYPES_H
diff --git a/rtos/tests/UNITTESTS/doubles/rtos/internal/mbed_rtos_storage.h b/rtos/tests/UNITTESTS/doubles/rtos/internal/mbed_rtos_storage.h
new file mode 100644
index 0000000..c160374
--- /dev/null
+++ b/rtos/tests/UNITTESTS/doubles/rtos/internal/mbed_rtos_storage.h
@@ -0,0 +1,38 @@
+/*
+ * Copyright (c) 2017, Arm Limited and affiliates.
+ * SPDX-License-Identifier: Apache-2.0
+ *
+ * Licensed 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.
+ */
+
+#ifndef MBED_RTOS_STORAGE_H
+#define MBED_RTOS_STORAGE_H
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#include "mbed_rtos_types.h"
+#include "rtx_os.h"
+#include "rtx_lib.h"
+#include "mbed_rtx_conf.h"
+
+typedef os_semaphore_t mbed_rtos_storage_semaphore_t;
+typedef os_thread_t mbed_rtos_storage_thread_t;
+typedef osRtxEventFlags_t mbed_rtos_storage_event_flags_t;
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif
diff --git a/rtos/tests/UNITTESTS/doubles/rtos/rtos.h b/rtos/tests/UNITTESTS/doubles/rtos/rtos.h
new file mode 100644
index 0000000..b624678
--- /dev/null
+++ b/rtos/tests/UNITTESTS/doubles/rtos/rtos.h
@@ -0,0 +1,26 @@
+/*
+ * Copyright (c) 2018, Arm Limited and affiliates.
+ * SPDX-License-Identifier: Apache-2.0
+ *
+ * Licensed 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.
+ */
+
+#ifndef RTOS_H
+#define RTOS_H
+
+typedef enum {
+    osTimerOnce             = 0,          ///< One-shot timer.
+    osTimerPeriodic         = 1           ///< Repeating timer.
+} os_timer_type;
+
+#endif /* RTOS_H */