marcus chiou / mbed-src

mbed library sources

Fork of mbed-src by mbed official

targets/hal/TARGET_Atmel/TARGET_SAM21/sleep_api.c@592:a274ee790e56, 2015-07-17 (annotated)

Committer:
mbed_official
Date:
Fri Jul 17 09:15:10 2015 +0100
Revision:
592:a274ee790e56
Synchronized with git revision e7144f83a8d75df80c4877936b6ffe552b0be9e6



Full URL: https://github.com/mbedmicro/mbed/commit/e7144f83a8d75df80c4877936b6ffe552b0be9e6/



More API implementation for SAMR21

Who changed what in which revision?

UserRevisionLine numberNew contents of line
mbed_official 592:a274ee790e56 1 /* mbed Microcontroller Library
mbed_official 592:a274ee790e56 2 * Copyright (c) 2006-2013 ARM Limited
mbed_official 592:a274ee790e56 3 *
mbed_official 592:a274ee790e56 4 * Licensed under the Apache License, Version 2.0 (the "License");
mbed_official 592:a274ee790e56 5 * you may not use this file except in compliance with the License.
mbed_official 592:a274ee790e56 6 * You may obtain a copy of the License at
mbed_official 592:a274ee790e56 7 *
mbed_official 592:a274ee790e56 8 * http://www.apache.org/licenses/LICENSE-2.0
mbed_official 592:a274ee790e56 9 *
mbed_official 592:a274ee790e56 10 * Unless required by applicable law or agreed to in writing, software
mbed_official 592:a274ee790e56 11 * distributed under the License is distributed on an "AS IS" BASIS,
mbed_official 592:a274ee790e56 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
mbed_official 592:a274ee790e56 13 * See the License for the specific language governing permissions and
mbed_official 592:a274ee790e56 14 * limitations under the License.
mbed_official 592:a274ee790e56 15 */
mbed_official 592:a274ee790e56 16 #include "mbed_assert.h"
mbed_official 592:a274ee790e56 17 #include "sleep_api.h"
mbed_official 592:a274ee790e56 18
mbed_official 592:a274ee790e56 19 #include <math.h>
mbed_official 592:a274ee790e56 20
mbed_official 592:a274ee790e56 21 #include "cmsis.h"
mbed_official 592:a274ee790e56 22 #include "power.h"
mbed_official 592:a274ee790e56 23
mbed_official 592:a274ee790e56 24 /** Send the device to sleep
mbed_official 592:a274ee790e56 25 *
mbed_official 592:a274ee790e56 26 * The processor is setup ready for sleep, and sent to sleep using __WFI(). In this mode, the
mbed_official 592:a274ee790e56 27 * system clock to the core is stopped until a reset or an interrupt occurs.
mbed_official 592:a274ee790e56 28 * @param[void] void
mbed_official 592:a274ee790e56 29 * @return void
mbed_official 592:a274ee790e56 30 */
mbed_official 592:a274ee790e56 31 void sleep(void)
mbed_official 592:a274ee790e56 32 {
mbed_official 592:a274ee790e56 33 system_set_sleepmode(SYSTEM_SLEEPMODE_IDLE_2);
mbed_official 592:a274ee790e56 34 system_sleep();
mbed_official 592:a274ee790e56 35 }
mbed_official 592:a274ee790e56 36
mbed_official 592:a274ee790e56 37 /** Send the device to deep sleep
mbed_official 592:a274ee790e56 38 *
mbed_official 592:a274ee790e56 39 * This processor is setup ready for deep sleep, and sent to sleep using __WFI(). This mode
mbed_official 592:a274ee790e56 40 * has the same sleep features as sleep plus it powers down peripherals and clocks. All state
mbed_official 592:a274ee790e56 41 * is still maintained.
mbed_official 592:a274ee790e56 42 * @param[void] void
mbed_official 592:a274ee790e56 43 * @return void
mbed_official 592:a274ee790e56 44 */
mbed_official 592:a274ee790e56 45 void deepsleep(void)
mbed_official 592:a274ee790e56 46 {
mbed_official 592:a274ee790e56 47 system_set_sleepmode(SYSTEM_SLEEPMODE_STANDBY);
mbed_official 592:a274ee790e56 48 system_sleep();
mbed_official 592:a274ee790e56 49 }