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66 lines
1.9 KiB
C
66 lines
1.9 KiB
C
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/** \addtogroup hal */
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/** @{*/
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/* mbed Microcontroller Library
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* Copyright (c) 2018-2019 Arm Limited
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* SPDX-License-Identifier: Apache-2.0
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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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#include "sleep_api.h"
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#include "us_ticker_api.h"
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#include "PeripheralNames.h"
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#define US_TICKER_COUNTER CMSDK_DUALTIMER1
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#define US_TICKER_INTERRUPT CMSDK_DUALTIMER2
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#define US_TICKER_TIMER_IRQn DUALTIMER_IRQn
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#if DEVICE_SLEEP
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void hal_sleep(void)
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{
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__WFI();
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}
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/* Since there is no power management function implemented in MPS2,
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* Also Deep Sleep mode mean to save power which is not practical on a simulator.
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* So mbed HAL Deep sleep is mocked by Sleep,
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* representing a "Waiting For Interrupt" state,
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* but disabling the Microsec ticker in addition */
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void hal_deepsleep(void)
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{
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#if DEVICE_USTICKER
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uint32_t val = US_TICKER_COUNTER->TimerValue;
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US_TICKER_COUNTER->TimerControl &= ~CMSDK_DUALTIMER1_CTRL_EN_Msk;
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US_TICKER_INTERRUPT->TimerControl &= ~CMSDK_DUALTIMER2_CTRL_EN_Msk;
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US_TICKER_INTERRUPT->TimerControl &= ~CMSDK_DUALTIMER2_CTRL_INTEN_Msk;
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#endif
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__WFI();
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#if DEVICE_USTICKER
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US_TICKER_COUNTER->TimerLoad = val;
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US_TICKER_COUNTER->TimerControl |= CMSDK_DUALTIMER1_CTRL_EN_Msk;
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US_TICKER_INTERRUPT->TimerControl |= CMSDK_DUALTIMER1_CTRL_INTEN_Msk;
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US_TICKER_INTERRUPT->TimerControl |= CMSDK_DUALTIMER2_CTRL_EN_Msk;
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#endif
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}
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#endif
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/**@}*/
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