text: /* mbed Microcontroller Library
   * Copyright (c) 2006-2013 ARM Limited
   *
   * 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_SLEEP_API_H
  #define MBED_SLEEP_API_H
  
  #include "device.h"
  
  #if DEVICE_SLEEP
  
  #ifdef __cplusplus
  extern "C" {
  #endif
  
  /** Send the microcontroller to sleep
   *
   * The processor is setup ready for sleep, and sent to sleep using __WFI(). In this mode, the
   * system clock to the core is stopped until a reset or an interrupt occurs. This eliminates
   * dynamic power used by the processor, memory systems and buses. The processor, peripheral and
   * memory state are maintained, and the peripherals continue to work and can generate interrupts.
   *
   * The processor can be woken up by any internal peripheral interrupt or external pin interrupt.
   *
   * @note
   *  The mbed interface semihosting is disconnected as part of going to sleep, and can not be restored.
   * Flash re-programming and the USB serial port will remain active, but the mbed program will no longer be
   * able to access the LocalFileSystem
   */
  void sleep(void);
  
  /** Send the microcontroller to deep sleep
   *
   * This processor is setup ready for deep sleep, and sent to sleep using __WFI(). This mode
   * has the same sleep features as sleep plus it powers down peripherals and clocks. All state
   * is still maintained.
   *
   * The processor can only be woken up by an external interrupt on a pin or a watchdog timer.
   *
   * @note
   *  The mbed interface semihosting is disconnected as part of going to sleep, and can not be restored.
   * Flash re-programming and the USB serial port will remain active, but the mbed program will no longer be
   * able to access the LocalFileSystem
   */
  void deepsleep(void);
  
  #ifdef __cplusplus
  }
  #endif
  
  #endif
  
  #endif
  