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FastModel: add HAL sleep implementation

pull/10124/head
Qinghao Shi 2019-03-15 12:40:35 +00:00
parent 5c06f99396
commit 8ebb363618
1 changed files with 64 additions and 0 deletions
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64
targets/TARGET_ARM_FM/TARGET_FVP_MPS2/sleep_api.c Normal file
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/** \addtogroup hal */
/** @{*/
/* mbed Microcontroller Library
* Copyright (c) 2018 Arm Limited
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#include "sleep_api.h"
#include "us_ticker_api.h"
#include "PeripheralNames.h"
#define US_TICKER_COUNTER CMSDK_DUALTIMER1
#define US_TICKER_INTERRUPT CMSDK_DUALTIMER2
#define US_TICKER_TIMER_IRQn DUALTIMER_IRQn
#if DEVICE_SLEEP
void hal_sleep(void)
{
__WFI();
}
/* Since there is no power management function implemented in MPS2,
* Also Deep Sleep mode mean to save power which is not practical on a simulator.
* So mbed HAL Deep sleep is mocked by Sleep,
* representing a "Waiting For Interrupt" state,
* but disabling the Microsec ticker in addition */
void hal_deepsleep(void)
{
#if DEVICE_USTICKER
uint32_t val = US_TICKER_COUNTER->TimerValue;
US_TICKER_COUNTER->TimerControl &= ~CMSDK_DUALTIMER1_CTRL_EN_Msk;
US_TICKER_INTERRUPT->TimerControl &= ~CMSDK_DUALTIMER2_CTRL_EN_Msk;
US_TICKER_INTERRUPT->TimerControl &= ~CMSDK_DUALTIMER2_CTRL_INTEN_Msk;
#endif
__WFI();
#if DEVICE_USTICKER
US_TICKER_COUNTER->TimerLoad = val;
US_TICKER_COUNTER->TimerControl |= CMSDK_DUALTIMER1_CTRL_EN_Msk;
US_TICKER_INTERRUPT->TimerControl |= CMSDK_DUALTIMER1_CTRL_INTEN_Msk;
US_TICKER_INTERRUPT->TimerControl |= CMSDK_DUALTIMER2_CTRL_EN_Msk;
#endif
}
#endif
/**@}*/