text: 
  /** \addtogroup hal */
  /** @{*/
  /* mbed Microcontroller Library
   * Copyright (c) 2018-2019 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.
   */
  
  
  #include "sleep_api.h"
  #include "us_ticker_api.h"
  
  #include "PeripheralNames.h"
  #define US_TICKER_COUNTER     CMSDK_DUALTIMER1
  #define US_TICKER_INTERRUPT   CMSDK_DUALTIMER2
  #define US_TICKER_TIMER_IRQn  DUALTIMER_IRQn
  
  
  #if DEVICE_SLEEP
  
  void hal_sleep(void)
  {
      __WFI();
  }
  
  /* Since there is no power management function implemented in MPS2,
   * Also Deep Sleep mode mean to save power which is not practical on a simulator.
   * So mbed HAL Deep sleep is mocked by Sleep,
   * representing a "Waiting For Interrupt" state,
   * but disabling the Microsec ticker in addition */
  
  void hal_deepsleep(void)
  {
  #if DEVICE_USTICKER
      uint32_t val = US_TICKER_COUNTER->TimerValue;
      US_TICKER_COUNTER->TimerControl &= ~CMSDK_DUALTIMER1_CTRL_EN_Msk;
      US_TICKER_INTERRUPT->TimerControl &= ~CMSDK_DUALTIMER2_CTRL_EN_Msk;
      US_TICKER_INTERRUPT->TimerControl &= ~CMSDK_DUALTIMER2_CTRL_INTEN_Msk;
  #endif
  
      __WFI();
  
  #if DEVICE_USTICKER
      US_TICKER_COUNTER->TimerLoad = val;
      US_TICKER_COUNTER->TimerControl |= CMSDK_DUALTIMER1_CTRL_EN_Msk;
      US_TICKER_INTERRUPT->TimerControl |= CMSDK_DUALTIMER1_CTRL_INTEN_Msk;
      US_TICKER_INTERRUPT->TimerControl |= CMSDK_DUALTIMER2_CTRL_EN_Msk;
  #endif
  }
  
  #endif
  
  /**@}*/
  