mirror of https://github.com/ARMmbed/mbed-os.git
51 lines
1.4 KiB
C
51 lines
1.4 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 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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#include "platform_devices.h"
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#include "sleep_api.h"
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#include "timer_cmsdk_drv.h"
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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 implemented in CM3DS, Deep Sleep could be
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* supported only by additional software components, registering and managing
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* the currently configured IPs. This would also mean a huge implementation
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* overhead, that is not intended to be added. Therefore, Deep Sleep is almost
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* identical to Sleep, representing a "Waiting For Interrupt" state, and
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* 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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timer_cmsdk_disable(&USEC_TIMER_DEV);
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#endif
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__WFI();
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#if DEVICE_USTICKER
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timer_cmsdk_enable(&USEC_TIMER_DEV);
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#endif
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}
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#endif
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/**@}*/
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