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64 lines
2.2 KiB
C
64 lines
2.2 KiB
C
/* mbed Microcontroller Library
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* Copyright (c) 2006-2013 ARM Limited
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#ifndef MBED_SLEEP_API_H
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#define MBED_SLEEP_API_H
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#include "device.h"
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#if DEVICE_SLEEP
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#ifdef __cplusplus
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extern "C" {
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#endif
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/** Send the microcontroller to sleep
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*
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* The processor is setup ready for sleep, and sent to sleep using __WFI(). In this mode, the
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* system clock to the core is stopped until a reset or an interrupt occurs. This eliminates
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* dynamic power used by the processor, memory systems and buses. The processor, peripheral and
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* memory state are maintained, and the peripherals continue to work and can generate interrupts.
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*
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* The processor can be woken up by any internal peripheral interrupt or external pin interrupt.
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*
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* @note
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* The mbed interface semihosting is disconnected as part of going to sleep, and can not be restored.
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* Flash re-programming and the USB serial port will remain active, but the mbed program will no longer be
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* able to access the LocalFileSystem
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*/
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void sleep(void);
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/** Send the microcontroller to deep sleep
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*
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* This processor is setup ready for deep sleep, and sent to sleep using __WFI(). This mode
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* has the same sleep features as sleep plus it powers down peripherals and clocks. All state
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* is still maintained.
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*
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* The processor can only be woken up by an external interrupt on a pin or a watchdog timer.
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*
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* @note
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* The mbed interface semihosting is disconnected as part of going to sleep, and can not be restored.
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* Flash re-programming and the USB serial port will remain active, but the mbed program will no longer be
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* able to access the LocalFileSystem
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*/
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void deepsleep(void);
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#ifdef __cplusplus
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}
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#endif
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#endif
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#endif
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