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Diff: hal/sleep_api.h
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- 0:f269e3021894
diff -r 000000000000 -r f269e3021894 hal/sleep_api.h --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/hal/sleep_api.h Sun Oct 23 15:10:02 2016 +0000 @@ -0,0 +1,69 @@ + +/** \addtogroup hal */ +/** @{*/ +/* 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 + +/** @}*/