mbed official / mbed-dev

mbed library sources. Supersedes mbed-src.

Dependents:   Nucleo_Hello_Encoder BLE_iBeaconScan AM1805_DEMO DISCO-F429ZI_ExportTemplate1 ... more

targets/TARGET_NUVOTON/TARGET_M2351/sleep.c@189:f392fc9709a3, 2019-02-20 (annotated)

Committer:
AnnaBridge
Date:
Wed Feb 20 22:31:08 2019 +0000
Revision:
189:f392fc9709a3
Parent:
188:bcfe06ba3d64 
mbed library release version 165

Who changed what in which revision?

UserRevisionLine numberNew contents of line
AnnaBridge 187:0387e8f68319 1 /* mbed Microcontroller Library
AnnaBridge 187:0387e8f68319 2 * Copyright (c) 2017-2018 Nuvoton
AnnaBridge 187:0387e8f68319 3 *
AnnaBridge 187:0387e8f68319 4 * Licensed under the Apache License, Version 2.0 (the "License");
AnnaBridge 187:0387e8f68319 5 * you may not use this file except in compliance with the License.
AnnaBridge 187:0387e8f68319 6 * You may obtain a copy of the License at
AnnaBridge 187:0387e8f68319 7 *
AnnaBridge 187:0387e8f68319 8 * http://www.apache.org/licenses/LICENSE-2.0
AnnaBridge 187:0387e8f68319 9 *
AnnaBridge 187:0387e8f68319 10 * Unless required by applicable law or agreed to in writing, software
AnnaBridge 187:0387e8f68319 11 * distributed under the License is distributed on an "AS IS" BASIS,
AnnaBridge 187:0387e8f68319 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
AnnaBridge 187:0387e8f68319 13 * See the License for the specific language governing permissions and
AnnaBridge 187:0387e8f68319 14 * limitations under the License.
AnnaBridge 187:0387e8f68319 15 */
AnnaBridge 187:0387e8f68319 16
AnnaBridge 187:0387e8f68319 17 #include "sleep_api.h"
AnnaBridge 187:0387e8f68319 18
AnnaBridge 187:0387e8f68319 19 #if DEVICE_SLEEP
AnnaBridge 187:0387e8f68319 20
AnnaBridge 187:0387e8f68319 21 #include "cmsis.h"
AnnaBridge 187:0387e8f68319 22 #include "device.h"
AnnaBridge 187:0387e8f68319 23 #include "objects.h"
AnnaBridge 187:0387e8f68319 24 #include "PeripheralPins.h"
AnnaBridge 188:bcfe06ba3d64 25 #include <stdbool.h>
AnnaBridge 187:0387e8f68319 26
AnnaBridge 188:bcfe06ba3d64 27 #if DEVICE_SERIAL
AnnaBridge 188:bcfe06ba3d64 28 bool serial_can_deep_sleep(void);
AnnaBridge 188:bcfe06ba3d64 29 #endif
AnnaBridge 187:0387e8f68319 30
AnnaBridge 187:0387e8f68319 31 /**
AnnaBridge 187:0387e8f68319 32 * Enter idle mode, in which just CPU is halted.
AnnaBridge 187:0387e8f68319 33 */
AnnaBridge 187:0387e8f68319 34 void hal_sleep(void)
AnnaBridge 187:0387e8f68319 35 {
AnnaBridge 188:bcfe06ba3d64 36 #if defined (__ARM_FEATURE_CMSE) && (__ARM_FEATURE_CMSE == 3U)
AnnaBridge 187:0387e8f68319 37 SYS_UnlockReg();
AnnaBridge 187:0387e8f68319 38 CLK_Idle();
AnnaBridge 187:0387e8f68319 39 SYS_LockReg();
AnnaBridge 188:bcfe06ba3d64 40 #else
AnnaBridge 188:bcfe06ba3d64 41 SYS_UnlockReg_S();
AnnaBridge 188:bcfe06ba3d64 42 CLK_Idle_S();
AnnaBridge 188:bcfe06ba3d64 43 SYS_LockReg_S();
AnnaBridge 188:bcfe06ba3d64 44 #endif
AnnaBridge 187:0387e8f68319 45 }
AnnaBridge 187:0387e8f68319 46
AnnaBridge 187:0387e8f68319 47 /**
AnnaBridge 187:0387e8f68319 48 * Enter power-down mode, in which HXT/HIRC are halted.
AnnaBridge 187:0387e8f68319 49 */
AnnaBridge 187:0387e8f68319 50 void hal_deepsleep(void)
AnnaBridge 187:0387e8f68319 51 {
AnnaBridge 188:bcfe06ba3d64 52 #if DEVICE_SERIAL
AnnaBridge 188:bcfe06ba3d64 53 if (!serial_can_deep_sleep()) {
AnnaBridge 188:bcfe06ba3d64 54 return;
AnnaBridge 188:bcfe06ba3d64 55 }
AnnaBridge 188:bcfe06ba3d64 56 #endif
AnnaBridge 188:bcfe06ba3d64 57
AnnaBridge 188:bcfe06ba3d64 58 #if defined (__ARM_FEATURE_CMSE) && (__ARM_FEATURE_CMSE == 3U)
AnnaBridge 187:0387e8f68319 59 SYS_UnlockReg();
AnnaBridge 187:0387e8f68319 60 CLK_PowerDown();
AnnaBridge 187:0387e8f68319 61 SYS_LockReg();
AnnaBridge 188:bcfe06ba3d64 62 #else
AnnaBridge 188:bcfe06ba3d64 63 SYS_UnlockReg_S();
AnnaBridge 188:bcfe06ba3d64 64 CLK_PowerDown_S();
AnnaBridge 188:bcfe06ba3d64 65 SYS_LockReg_S();
AnnaBridge 188:bcfe06ba3d64 66 #endif
AnnaBridge 187:0387e8f68319 67 }
AnnaBridge 187:0387e8f68319 68
AnnaBridge 187:0387e8f68319 69 #endif