text: /*
   * Copyright (C) 2019 Amazon.com, Inc. or its affiliates.  All Rights Reserved.
   * Copyright (c) 2019-2020 Arm Limited. All Rights Reserved.
   *
   * 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.
   *
   */
  
  #include "mbed.h"
  #include "FreeRTOS_mbed.h"
  
  SemaphoreHandle_t xSemaphoreCreateMutex( void )
  {
      Mutex *mutex = new Mutex;
  
      return mutex;
  }
  
  BaseType_t xSemaphoreTake( SemaphoreHandle_t xSemaphore,
                             TickType_t xTicksToWait )
  {
      Mutex *mutex = static_cast<Mutex *>(xSemaphore);
  
      return mutex->trylock_for(std::chrono::milliseconds(xTicksToWait)) ? pdTRUE : pdFALSE;
  }
  
  BaseType_t xSemaphoreGive( SemaphoreHandle_t xSemaphore )
  {
      Mutex *mutex = static_cast<Mutex *>(xSemaphore);
  
      mutex->unlock();
  
      return pdTRUE;
  }
  
  void vSemaphoreDelete( SemaphoreHandle_t xSemaphore )
  {
      Mutex *mutex = static_cast<Mutex *>(xSemaphore);
  
      delete mutex;
  }
  