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hal/sleep_api.h@169:a7c7b631e539, 2018-06-22 (annotated)
- Committer:
- Anna Bridge
- Date:
- Fri Jun 22 15:38:59 2018 +0100
- Revision:
- 169:a7c7b631e539
- Parent:
- 156:ff21514d8981
- Child:
- 170:e95d10626187
mbed library. Release version 162
Who changed what in which revision?
User | Revision | Line number | New contents of line |
---|---|---|---|
AnnaBridge | 156:ff21514d8981 | 1 | |
AnnaBridge | 156:ff21514d8981 | 2 | /** \addtogroup hal */ |
AnnaBridge | 156:ff21514d8981 | 3 | /** @{*/ |
AnnaBridge | 156:ff21514d8981 | 4 | /* mbed Microcontroller Library |
AnnaBridge | 156:ff21514d8981 | 5 | * Copyright (c) 2006-2013 ARM Limited |
AnnaBridge | 156:ff21514d8981 | 6 | * |
AnnaBridge | 156:ff21514d8981 | 7 | * Licensed under the Apache License, Version 2.0 (the "License"); |
AnnaBridge | 156:ff21514d8981 | 8 | * you may not use this file except in compliance with the License. |
AnnaBridge | 156:ff21514d8981 | 9 | * You may obtain a copy of the License at |
AnnaBridge | 156:ff21514d8981 | 10 | * |
AnnaBridge | 156:ff21514d8981 | 11 | * http://www.apache.org/licenses/LICENSE-2.0 |
AnnaBridge | 156:ff21514d8981 | 12 | * |
AnnaBridge | 156:ff21514d8981 | 13 | * Unless required by applicable law or agreed to in writing, software |
AnnaBridge | 156:ff21514d8981 | 14 | * distributed under the License is distributed on an "AS IS" BASIS, |
AnnaBridge | 156:ff21514d8981 | 15 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
AnnaBridge | 156:ff21514d8981 | 16 | * See the License for the specific language governing permissions and |
AnnaBridge | 156:ff21514d8981 | 17 | * limitations under the License. |
AnnaBridge | 156:ff21514d8981 | 18 | */ |
AnnaBridge | 156:ff21514d8981 | 19 | #ifndef MBED_SLEEP_API_H |
AnnaBridge | 156:ff21514d8981 | 20 | #define MBED_SLEEP_API_H |
AnnaBridge | 156:ff21514d8981 | 21 | |
AnnaBridge | 156:ff21514d8981 | 22 | #include "device.h" |
AnnaBridge | 156:ff21514d8981 | 23 | |
AnnaBridge | 156:ff21514d8981 | 24 | #if DEVICE_SLEEP |
AnnaBridge | 156:ff21514d8981 | 25 | |
AnnaBridge | 156:ff21514d8981 | 26 | #ifdef __cplusplus |
AnnaBridge | 156:ff21514d8981 | 27 | extern "C" { |
AnnaBridge | 156:ff21514d8981 | 28 | #endif |
AnnaBridge | 156:ff21514d8981 | 29 | |
Anna Bridge |
169:a7c7b631e539 | 30 | /** |
Anna Bridge |
169:a7c7b631e539 | 31 | * \defgroup hal_sleep sleep hal requirements |
Anna Bridge |
169:a7c7b631e539 | 32 | * Low level interface to the sleep mode of a target. |
Anna Bridge |
169:a7c7b631e539 | 33 | * |
Anna Bridge |
169:a7c7b631e539 | 34 | * # Defined behaviour |
Anna Bridge |
169:a7c7b631e539 | 35 | * |
Anna Bridge |
169:a7c7b631e539 | 36 | * * Sleep mode |
Anna Bridge |
169:a7c7b631e539 | 37 | * * wake-up time should be less than 10 us - Verified by sleep_usticker_test(). |
Anna Bridge |
169:a7c7b631e539 | 38 | * * the processor can be woken up by any internal peripheral interrupt - Verified by sleep_usticker_test(). |
Anna Bridge |
169:a7c7b631e539 | 39 | * * all peripherals operate as in run mode - not verified. |
Anna Bridge |
169:a7c7b631e539 | 40 | * * the processor can be woken up by external pin interrupt - not verified. |
Anna Bridge |
169:a7c7b631e539 | 41 | * * Deep sleep |
Anna Bridge |
169:a7c7b631e539 | 42 | * * the wake-up time should be less than 10 ms - Verified by deepsleep_lpticker_test(). |
Anna Bridge |
169:a7c7b631e539 | 43 | * * lp ticker should wake up a target from this mode - Verified by deepsleep_lpticker_test(). |
Anna Bridge |
169:a7c7b631e539 | 44 | * * RTC should wake up a target from this mode - not verified. |
Anna Bridge |
169:a7c7b631e539 | 45 | * * an external interrupt on a pin should wake up a target from this mode - not verified. |
Anna Bridge |
169:a7c7b631e539 | 46 | * * a watchdog timer should wake up a target from this mode - not verified. |
Anna Bridge |
169:a7c7b631e539 | 47 | * * High-speed clocks are turned off - Verified by deepsleep_high_speed_clocks_turned_off_test(). |
Anna Bridge |
169:a7c7b631e539 | 48 | * * RTC keeps time - Verified by rtc_sleep_test(). |
Anna Bridge |
169:a7c7b631e539 | 49 | * |
Anna Bridge |
169:a7c7b631e539 | 50 | * # Undefined behaviour |
Anna Bridge |
169:a7c7b631e539 | 51 | * |
Anna Bridge |
169:a7c7b631e539 | 52 | * * peripherals aside from RTC, GPIO and lp ticker result in undefined behaviour in deep sleep. |
Anna Bridge |
169:a7c7b631e539 | 53 | * @{ |
Anna Bridge |
169:a7c7b631e539 | 54 | */ |
Anna Bridge |
169:a7c7b631e539 | 55 | |
Anna Bridge |
169:a7c7b631e539 | 56 | /** |
Anna Bridge |
169:a7c7b631e539 | 57 | * \defgroup hal_sleep_tests sleep hal tests |
Anna Bridge |
169:a7c7b631e539 | 58 | * The sleep HAL tests ensure driver conformance to defined behaviour. |
Anna Bridge |
169:a7c7b631e539 | 59 | * |
Anna Bridge |
169:a7c7b631e539 | 60 | * To run the sleep hal tests use the command: |
Anna Bridge |
169:a7c7b631e539 | 61 | * |
Anna Bridge |
169:a7c7b631e539 | 62 | * mbed test -t <toolchain> -m <target> -n tests-mbed_hal-sleep* |
Anna Bridge |
169:a7c7b631e539 | 63 | * |
Anna Bridge |
169:a7c7b631e539 | 64 | */ |
Anna Bridge |
169:a7c7b631e539 | 65 | |
AnnaBridge | 156:ff21514d8981 | 66 | /** Send the microcontroller to sleep |
AnnaBridge | 156:ff21514d8981 | 67 | * |
Anna Bridge |
169:a7c7b631e539 | 68 | * The processor is setup ready for sleep, and sent to sleep. In this mode, the |
AnnaBridge | 156:ff21514d8981 | 69 | * system clock to the core is stopped until a reset or an interrupt occurs. This eliminates |
AnnaBridge | 156:ff21514d8981 | 70 | * dynamic power used by the processor, memory systems and buses. The processor, peripheral and |
AnnaBridge | 156:ff21514d8981 | 71 | * memory state are maintained, and the peripherals continue to work and can generate interrupts. |
AnnaBridge | 156:ff21514d8981 | 72 | * |
AnnaBridge | 156:ff21514d8981 | 73 | * The processor can be woken up by any internal peripheral interrupt or external pin interrupt. |
AnnaBridge | 156:ff21514d8981 | 74 | * |
Anna Bridge |
169:a7c7b631e539 | 75 | * The wake-up time shall be less than 10 us. |
Anna Bridge |
169:a7c7b631e539 | 76 | * |
AnnaBridge | 156:ff21514d8981 | 77 | */ |
AnnaBridge | 156:ff21514d8981 | 78 | void hal_sleep(void); |
AnnaBridge | 156:ff21514d8981 | 79 | |
AnnaBridge | 156:ff21514d8981 | 80 | /** Send the microcontroller to deep sleep |
AnnaBridge | 156:ff21514d8981 | 81 | * |
AnnaBridge | 156:ff21514d8981 | 82 | * This processor is setup ready for deep sleep, and sent to sleep using __WFI(). This mode |
Anna Bridge |
169:a7c7b631e539 | 83 | * has the same sleep features as sleep plus it powers down peripherals and high frequency clocks. |
Anna Bridge |
169:a7c7b631e539 | 84 | * All state is still maintained. |
AnnaBridge | 156:ff21514d8981 | 85 | * |
Anna Bridge |
169:a7c7b631e539 | 86 | * The processor can only be woken up by low power ticker, RTC, an external interrupt on a pin or a watchdog timer. |
Anna Bridge |
169:a7c7b631e539 | 87 | * |
Anna Bridge |
169:a7c7b631e539 | 88 | * The wake-up time shall be less than 10 ms. |
AnnaBridge | 156:ff21514d8981 | 89 | */ |
AnnaBridge | 156:ff21514d8981 | 90 | void hal_deepsleep(void); |
AnnaBridge | 156:ff21514d8981 | 91 | |
Anna Bridge |
169:a7c7b631e539 | 92 | /**@}*/ |
Anna Bridge |
169:a7c7b631e539 | 93 | |
AnnaBridge | 156:ff21514d8981 | 94 | #ifdef __cplusplus |
AnnaBridge | 156:ff21514d8981 | 95 | } |
AnnaBridge | 156:ff21514d8981 | 96 | #endif |
AnnaBridge | 156:ff21514d8981 | 97 | |
AnnaBridge | 156:ff21514d8981 | 98 | #endif |
AnnaBridge | 156:ff21514d8981 | 99 | |
AnnaBridge | 156:ff21514d8981 | 100 | #endif |
AnnaBridge | 156:ff21514d8981 | 101 | |
Anna Bridge |
169:a7c7b631e539 | 102 | /**@}*/ |