mbed-os/targets/TARGET_NUVOTON/TARGET_M2351/sleep.c

52 lines
1.1 KiB
C

/* mbed Microcontroller Library
* Copyright (c) 2017-2018 Nuvoton
*
* 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"
#if DEVICE_SLEEP
#include "cmsis.h"
#include "device.h"
#include "objects.h"
#include "PeripheralPins.h"
#if defined (__ARM_FEATURE_CMSE) && (__ARM_FEATURE_CMSE == 3U)
/**
* Enter idle mode, in which just CPU is halted.
*/
__NONSECURE_ENTRY
void hal_sleep(void)
{
SYS_UnlockReg();
CLK_Idle();
SYS_LockReg();
}
/**
* Enter power-down mode, in which HXT/HIRC are halted.
*/
__NONSECURE_ENTRY
void hal_deepsleep(void)
{
SYS_UnlockReg();
CLK_PowerDown();
SYS_LockReg();
}
#endif
#endif