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Dependencies:   FFT

mbed/hal/sleep_api.h@0:d6c9b09b4042, 2020-12-02 (annotated)

Committer:
annieluo2
Date:
Wed Dec 02 18:02:03 2020 +0000
Revision:
0:d6c9b09b4042
boo

Who changed what in which revision?

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annieluo2 0:d6c9b09b4042 1
annieluo2 0:d6c9b09b4042 2 /** \addtogroup hal */
annieluo2 0:d6c9b09b4042 3 /** @{*/
annieluo2 0:d6c9b09b4042 4 /* mbed Microcontroller Library
annieluo2 0:d6c9b09b4042 5 * Copyright (c) 2006-2013 ARM Limited
annieluo2 0:d6c9b09b4042 6 *
annieluo2 0:d6c9b09b4042 7 * Licensed under the Apache License, Version 2.0 (the "License");
annieluo2 0:d6c9b09b4042 8 * you may not use this file except in compliance with the License.
annieluo2 0:d6c9b09b4042 9 * You may obtain a copy of the License at
annieluo2 0:d6c9b09b4042 10 *
annieluo2 0:d6c9b09b4042 11 * http://www.apache.org/licenses/LICENSE-2.0
annieluo2 0:d6c9b09b4042 12 *
annieluo2 0:d6c9b09b4042 13 * Unless required by applicable law or agreed to in writing, software
annieluo2 0:d6c9b09b4042 14 * distributed under the License is distributed on an "AS IS" BASIS,
annieluo2 0:d6c9b09b4042 15 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
annieluo2 0:d6c9b09b4042 16 * See the License for the specific language governing permissions and
annieluo2 0:d6c9b09b4042 17 * limitations under the License.
annieluo2 0:d6c9b09b4042 18 */
annieluo2 0:d6c9b09b4042 19 #ifndef MBED_SLEEP_API_H
annieluo2 0:d6c9b09b4042 20 #define MBED_SLEEP_API_H
annieluo2 0:d6c9b09b4042 21
annieluo2 0:d6c9b09b4042 22 #include "device.h"
annieluo2 0:d6c9b09b4042 23
annieluo2 0:d6c9b09b4042 24 #if DEVICE_SLEEP
annieluo2 0:d6c9b09b4042 25
annieluo2 0:d6c9b09b4042 26 #ifdef __cplusplus
annieluo2 0:d6c9b09b4042 27 extern "C" {
annieluo2 0:d6c9b09b4042 28 #endif
annieluo2 0:d6c9b09b4042 29
annieluo2 0:d6c9b09b4042 30 /** Send the microcontroller to sleep
annieluo2 0:d6c9b09b4042 31 *
annieluo2 0:d6c9b09b4042 32 * The processor is setup ready for sleep, and sent to sleep using __WFI(). In this mode, the
annieluo2 0:d6c9b09b4042 33 * system clock to the core is stopped until a reset or an interrupt occurs. This eliminates
annieluo2 0:d6c9b09b4042 34 * dynamic power used by the processor, memory systems and buses. The processor, peripheral and
annieluo2 0:d6c9b09b4042 35 * memory state are maintained, and the peripherals continue to work and can generate interrupts.
annieluo2 0:d6c9b09b4042 36 *
annieluo2 0:d6c9b09b4042 37 * The processor can be woken up by any internal peripheral interrupt or external pin interrupt.
annieluo2 0:d6c9b09b4042 38 *
annieluo2 0:d6c9b09b4042 39 * @note
annieluo2 0:d6c9b09b4042 40 * The mbed interface semihosting is disconnected as part of going to sleep, and can not be restored.
annieluo2 0:d6c9b09b4042 41 * Flash re-programming and the USB serial port will remain active, but the mbed program will no longer be
annieluo2 0:d6c9b09b4042 42 * able to access the LocalFileSystem
annieluo2 0:d6c9b09b4042 43 */
annieluo2 0:d6c9b09b4042 44 void sleep(void);
annieluo2 0:d6c9b09b4042 45
annieluo2 0:d6c9b09b4042 46 /** Send the microcontroller to deep sleep
annieluo2 0:d6c9b09b4042 47 *
annieluo2 0:d6c9b09b4042 48 * This processor is setup ready for deep sleep, and sent to sleep using __WFI(). This mode
annieluo2 0:d6c9b09b4042 49 * has the same sleep features as sleep plus it powers down peripherals and clocks. All state
annieluo2 0:d6c9b09b4042 50 * is still maintained.
annieluo2 0:d6c9b09b4042 51 *
annieluo2 0:d6c9b09b4042 52 * The processor can only be woken up by an external interrupt on a pin or a watchdog timer.
annieluo2 0:d6c9b09b4042 53 *
annieluo2 0:d6c9b09b4042 54 * @note
annieluo2 0:d6c9b09b4042 55 * The mbed interface semihosting is disconnected as part of going to sleep, and can not be restored.
annieluo2 0:d6c9b09b4042 56 * Flash re-programming and the USB serial port will remain active, but the mbed program will no longer be
annieluo2 0:d6c9b09b4042 57 * able to access the LocalFileSystem
annieluo2 0:d6c9b09b4042 58 */
annieluo2 0:d6c9b09b4042 59 void deepsleep(void);
annieluo2 0:d6c9b09b4042 60
annieluo2 0:d6c9b09b4042 61 #ifdef __cplusplus
annieluo2 0:d6c9b09b4042 62 }
annieluo2 0:d6c9b09b4042 63 #endif
annieluo2 0:d6c9b09b4042 64
annieluo2 0:d6c9b09b4042 65 #endif
annieluo2 0:d6c9b09b4042 66
annieluo2 0:d6c9b09b4042 67 #endif
annieluo2 0:d6c9b09b4042 68
annieluo2 0:d6c9b09b4042 69 /** @}*/