test / mbed-src

mbed library sources

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hal/sleep_api.h@134:06c344ebdfe8, 2014-03-27 (annotated)

Committer:
koiamk
Date:
Thu Mar 27 22:43:30 2014 +0000
Revision:
134:06c344ebdfe8
Parent:
13:0645d8841f51 
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Who changed what in which revision?

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bogdanm 13:0645d8841f51 1 /* mbed Microcontroller Library
bogdanm 13:0645d8841f51 2 * Copyright (c) 2006-2013 ARM Limited
bogdanm 13:0645d8841f51 3 *
bogdanm 13:0645d8841f51 4 * Licensed under the Apache License, Version 2.0 (the "License");
bogdanm 13:0645d8841f51 5 * you may not use this file except in compliance with the License.
bogdanm 13:0645d8841f51 6 * You may obtain a copy of the License at
bogdanm 13:0645d8841f51 7 *
bogdanm 13:0645d8841f51 8 * http://www.apache.org/licenses/LICENSE-2.0
bogdanm 13:0645d8841f51 9 *
bogdanm 13:0645d8841f51 10 * Unless required by applicable law or agreed to in writing, software
bogdanm 13:0645d8841f51 11 * distributed under the License is distributed on an "AS IS" BASIS,
bogdanm 13:0645d8841f51 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
bogdanm 13:0645d8841f51 13 * See the License for the specific language governing permissions and
bogdanm 13:0645d8841f51 14 * limitations under the License.
bogdanm 13:0645d8841f51 15 */
bogdanm 13:0645d8841f51 16 #ifndef MBED_SLEEP_API_H
bogdanm 13:0645d8841f51 17 #define MBED_SLEEP_API_H
bogdanm 13:0645d8841f51 18
bogdanm 13:0645d8841f51 19 #include "device.h"
bogdanm 13:0645d8841f51 20
bogdanm 13:0645d8841f51 21 #if DEVICE_SLEEP
bogdanm 13:0645d8841f51 22
bogdanm 13:0645d8841f51 23 #ifdef __cplusplus
bogdanm 13:0645d8841f51 24 extern "C" {
bogdanm 13:0645d8841f51 25 #endif
bogdanm 13:0645d8841f51 26
bogdanm 13:0645d8841f51 27 /** Send the microcontroller to sleep
bogdanm 13:0645d8841f51 28 *
bogdanm 13:0645d8841f51 29 * The processor is setup ready for sleep, and sent to sleep using __WFI(). In this mode, the
bogdanm 13:0645d8841f51 30 * system clock to the core is stopped until a reset or an interrupt occurs. This eliminates
bogdanm 13:0645d8841f51 31 * dynamic power used by the processor, memory systems and buses. The processor, peripheral and
bogdanm 13:0645d8841f51 32 * memory state are maintained, and the peripherals continue to work and can generate interrupts.
bogdanm 13:0645d8841f51 33 *
bogdanm 13:0645d8841f51 34 * The processor can be woken up by any internal peripheral interrupt or external pin interrupt.
bogdanm 13:0645d8841f51 35 *
bogdanm 13:0645d8841f51 36 * @note
bogdanm 13:0645d8841f51 37 * The mbed interface semihosting is disconnected as part of going to sleep, and can not be restored.
bogdanm 13:0645d8841f51 38 * Flash re-programming and the USB serial port will remain active, but the mbed program will no longer be
bogdanm 13:0645d8841f51 39 * able to access the LocalFileSystem
bogdanm 13:0645d8841f51 40 */
bogdanm 13:0645d8841f51 41 void sleep(void);
bogdanm 13:0645d8841f51 42
bogdanm 13:0645d8841f51 43 /** Send the microcontroller to deep sleep
bogdanm 13:0645d8841f51 44 *
bogdanm 13:0645d8841f51 45 * This processor is setup ready for deep sleep, and sent to sleep using __WFI(). This mode
bogdanm 13:0645d8841f51 46 * has the same sleep features as sleep plus it powers down peripherals and clocks. All state
bogdanm 13:0645d8841f51 47 * is still maintained.
bogdanm 13:0645d8841f51 48 *
bogdanm 13:0645d8841f51 49 * The processor can only be woken up by an external interrupt on a pin or a watchdog timer.
bogdanm 13:0645d8841f51 50 *
bogdanm 13:0645d8841f51 51 * @note
bogdanm 13:0645d8841f51 52 * The mbed interface semihosting is disconnected as part of going to sleep, and can not be restored.
bogdanm 13:0645d8841f51 53 * Flash re-programming and the USB serial port will remain active, but the mbed program will no longer be
bogdanm 13:0645d8841f51 54 * able to access the LocalFileSystem
bogdanm 13:0645d8841f51 55 */
bogdanm 13:0645d8841f51 56 void deepsleep(void);
bogdanm 13:0645d8841f51 57
bogdanm 13:0645d8841f51 58 #ifdef __cplusplus
bogdanm 13:0645d8841f51 59 }
bogdanm 13:0645d8841f51 60 #endif
bogdanm 13:0645d8841f51 61
bogdanm 13:0645d8841f51 62 #endif
bogdanm 13:0645d8841f51 63
bogdanm 13:0645d8841f51 64 #endif