
test
mbed/hal/mbed_lp_ticker_wrapper.h@0:d383e2dee0f7, 2020-07-06 (annotated)
- Committer:
- ommpy
- Date:
- Mon Jul 06 17:18:59 2020 +0530
- Revision:
- 0:d383e2dee0f7
first commit
Who changed what in which revision?
User | Revision | Line number | New contents of line |
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ommpy | 0:d383e2dee0f7 | 1 | |
ommpy | 0:d383e2dee0f7 | 2 | /** \addtogroup hal */ |
ommpy | 0:d383e2dee0f7 | 3 | /** @{*/ |
ommpy | 0:d383e2dee0f7 | 4 | /* mbed Microcontroller Library |
ommpy | 0:d383e2dee0f7 | 5 | * Copyright (c) 2018 ARM Limited |
ommpy | 0:d383e2dee0f7 | 6 | * SPDX-License-Identifier: Apache-2.0 |
ommpy | 0:d383e2dee0f7 | 7 | * |
ommpy | 0:d383e2dee0f7 | 8 | * Licensed under the Apache License, Version 2.0 (the "License"); |
ommpy | 0:d383e2dee0f7 | 9 | * you may not use this file except in compliance with the License. |
ommpy | 0:d383e2dee0f7 | 10 | * You may obtain a copy of the License at |
ommpy | 0:d383e2dee0f7 | 11 | * |
ommpy | 0:d383e2dee0f7 | 12 | * http://www.apache.org/licenses/LICENSE-2.0 |
ommpy | 0:d383e2dee0f7 | 13 | * |
ommpy | 0:d383e2dee0f7 | 14 | * Unless required by applicable law or agreed to in writing, software |
ommpy | 0:d383e2dee0f7 | 15 | * distributed under the License is distributed on an "AS IS" BASIS, |
ommpy | 0:d383e2dee0f7 | 16 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
ommpy | 0:d383e2dee0f7 | 17 | * See the License for the specific language governing permissions and |
ommpy | 0:d383e2dee0f7 | 18 | * limitations under the License. |
ommpy | 0:d383e2dee0f7 | 19 | */ |
ommpy | 0:d383e2dee0f7 | 20 | #ifndef MBED_LP_TICKER_WRAPPER_H |
ommpy | 0:d383e2dee0f7 | 21 | #define MBED_LP_TICKER_WRAPPER_H |
ommpy | 0:d383e2dee0f7 | 22 | |
ommpy | 0:d383e2dee0f7 | 23 | #include "device.h" |
ommpy | 0:d383e2dee0f7 | 24 | |
ommpy | 0:d383e2dee0f7 | 25 | #if DEVICE_LPTICKER |
ommpy | 0:d383e2dee0f7 | 26 | |
ommpy | 0:d383e2dee0f7 | 27 | #include "hal/ticker_api.h" |
ommpy | 0:d383e2dee0f7 | 28 | #include <stdbool.h> |
ommpy | 0:d383e2dee0f7 | 29 | |
ommpy | 0:d383e2dee0f7 | 30 | #ifdef __cplusplus |
ommpy | 0:d383e2dee0f7 | 31 | extern "C" { |
ommpy | 0:d383e2dee0f7 | 32 | #endif |
ommpy | 0:d383e2dee0f7 | 33 | |
ommpy | 0:d383e2dee0f7 | 34 | typedef void (*ticker_irq_handler_type)(const ticker_data_t *const); |
ommpy | 0:d383e2dee0f7 | 35 | |
ommpy | 0:d383e2dee0f7 | 36 | /** |
ommpy | 0:d383e2dee0f7 | 37 | * Interrupt handler for the wrapped lp ticker |
ommpy | 0:d383e2dee0f7 | 38 | * |
ommpy | 0:d383e2dee0f7 | 39 | * @param handler the function which would normally be called by the |
ommpy | 0:d383e2dee0f7 | 40 | * lp ticker handler when it is not wrapped |
ommpy | 0:d383e2dee0f7 | 41 | */ |
ommpy | 0:d383e2dee0f7 | 42 | void lp_ticker_wrapper_irq_handler(ticker_irq_handler_type handler); |
ommpy | 0:d383e2dee0f7 | 43 | |
ommpy | 0:d383e2dee0f7 | 44 | /** |
ommpy | 0:d383e2dee0f7 | 45 | * Get wrapped lp ticker data |
ommpy | 0:d383e2dee0f7 | 46 | * |
ommpy | 0:d383e2dee0f7 | 47 | * @param data hardware low power ticker object |
ommpy | 0:d383e2dee0f7 | 48 | * @return wrapped low power ticker object |
ommpy | 0:d383e2dee0f7 | 49 | */ |
ommpy | 0:d383e2dee0f7 | 50 | const ticker_data_t *get_lp_ticker_wrapper_data(const ticker_data_t *data); |
ommpy | 0:d383e2dee0f7 | 51 | |
ommpy | 0:d383e2dee0f7 | 52 | /** |
ommpy | 0:d383e2dee0f7 | 53 | * Suspend the wrapper layer code |
ommpy | 0:d383e2dee0f7 | 54 | * |
ommpy | 0:d383e2dee0f7 | 55 | * Pass through all interrupts to the low power ticker and stop using |
ommpy | 0:d383e2dee0f7 | 56 | * the microsecond ticker. |
ommpy | 0:d383e2dee0f7 | 57 | * |
ommpy | 0:d383e2dee0f7 | 58 | * @warning: Make sure to suspend the LP ticker first (call ticker_suspend()), |
ommpy | 0:d383e2dee0f7 | 59 | * otherwise the behavior is undefined. |
ommpy | 0:d383e2dee0f7 | 60 | */ |
ommpy | 0:d383e2dee0f7 | 61 | void lp_ticker_wrapper_suspend(void); |
ommpy | 0:d383e2dee0f7 | 62 | |
ommpy | 0:d383e2dee0f7 | 63 | /** |
ommpy | 0:d383e2dee0f7 | 64 | * Resume the wrapper layer code |
ommpy | 0:d383e2dee0f7 | 65 | * |
ommpy | 0:d383e2dee0f7 | 66 | * Resume operation of the wrapper layer. Interrupts will be filtered |
ommpy | 0:d383e2dee0f7 | 67 | * as normal and the microsecond timer will be used for interrupts scheduled |
ommpy | 0:d383e2dee0f7 | 68 | * too quickly back-to-back. |
ommpy | 0:d383e2dee0f7 | 69 | */ |
ommpy | 0:d383e2dee0f7 | 70 | void lp_ticker_wrapper_resume(void); |
ommpy | 0:d383e2dee0f7 | 71 | |
ommpy | 0:d383e2dee0f7 | 72 | /**@}*/ |
ommpy | 0:d383e2dee0f7 | 73 | |
ommpy | 0:d383e2dee0f7 | 74 | #ifdef __cplusplus |
ommpy | 0:d383e2dee0f7 | 75 | } |
ommpy | 0:d383e2dee0f7 | 76 | #endif |
ommpy | 0:d383e2dee0f7 | 77 | |
ommpy | 0:d383e2dee0f7 | 78 | #endif |
ommpy | 0:d383e2dee0f7 | 79 | |
ommpy | 0:d383e2dee0f7 | 80 | #endif |
ommpy | 0:d383e2dee0f7 | 81 | |
ommpy | 0:d383e2dee0f7 | 82 | /** @}*/ |