File content as of revision 64:41a834223ea3:

/* mbed Microcontroller Library
 * Copyright (c) 2006-2015 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.
 */
#include "mbed_assert.h"
#include "sleep_api.h"

#include "power.h"

/** Send the device 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.
 * @param[void] void
 * @return      void
 */
void sleep(void)
{
#if (SAMD21) || (SAMR21)
    system_set_sleepmode(SYSTEM_SLEEPMODE_IDLE_2);
#elif (SAML21)
    system_set_sleepmode(SYSTEM_SLEEPMODE_IDLE);
#endif
    system_sleep();
}

/** Send the device 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.
 * @param[void] void
 * @return      void
 */
void deepsleep(void)
{
    system_set_sleepmode(SYSTEM_SLEEPMODE_STANDBY);
    system_sleep();
}