text: /* mbed Microcontroller Library
   * 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.
   */
  
  #include "device_cfg.h"
  #include "sleep_api.h"
  #include "timer_cmsdk_drv.h"
  
  #if DEVICE_SLEEP
  
  void hal_sleep(void)
  {
      __WFI();
  }
  
  /* Since there is no power management implemented in Musca-A, Deep Sleep could
   * be supported only by additional software components, registering and managing
   * the currently configured IPs. This would also mean a huge implementation
   * overhead, that is not intended to be added. Therefore, Deep Sleep is almost
   * identical to Sleep, representing a "Waiting For Interrupt" state, and
   * disabling the Microsec ticker in addition.
   */
  void hal_deepsleep(void)
  {
  #ifdef USEC_TIMER_DEV
      timer_cmsdk_disable(&USEC_TIMER_DEV);
  #endif
      __WFI();
  #ifdef USEC_TIMER_DEV
      timer_cmsdk_enable(&USEC_TIMER_DEV);
  #endif
  }
  
  #endif
  