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_M451/sleep.c@188:bcfe06ba3d64, 2018-11-08 (annotated)

Committer:
AnnaBridge
Date:
Thu Nov 08 11:46:34 2018 +0000
Revision:
188:bcfe06ba3d64
Parent:
176:447f873cad2f 
mbed-dev library. Release version 164

Who changed what in which revision?

UserRevisionLine numberNew contents of line
<> 149:156823d33999 1 /* mbed Microcontroller Library
<> 149:156823d33999 2 * Copyright (c) 2015-2016 Nuvoton
<> 149:156823d33999 3 *
<> 149:156823d33999 4 * Licensed under the Apache License, Version 2.0 (the "License");
<> 149:156823d33999 5 * you may not use this file except in compliance with the License.
<> 149:156823d33999 6 * You may obtain a copy of the License at
<> 149:156823d33999 7 *
<> 149:156823d33999 8 * http://www.apache.org/licenses/LICENSE-2.0
<> 149:156823d33999 9 *
<> 149:156823d33999 10 * Unless required by applicable law or agreed to in writing, software
<> 149:156823d33999 11 * distributed under the License is distributed on an "AS IS" BASIS,
<> 149:156823d33999 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
<> 149:156823d33999 13 * See the License for the specific language governing permissions and
<> 149:156823d33999 14 * limitations under the License.
<> 149:156823d33999 15 */
<> 149:156823d33999 16
<> 149:156823d33999 17 #include "sleep_api.h"
<> 149:156823d33999 18
<> 149:156823d33999 19 #if DEVICE_SLEEP
<> 149:156823d33999 20
<> 149:156823d33999 21 #include "cmsis.h"
<> 149:156823d33999 22 #include "device.h"
<> 149:156823d33999 23 #include "objects.h"
<> 149:156823d33999 24 #include "PeripheralPins.h"
AnnaBridge 188:bcfe06ba3d64 25 #include <stdbool.h>
AnnaBridge 188:bcfe06ba3d64 26
AnnaBridge 188:bcfe06ba3d64 27 #if DEVICE_SERIAL
AnnaBridge 188:bcfe06ba3d64 28 bool serial_can_deep_sleep(void);
AnnaBridge 188:bcfe06ba3d64 29 #endif
<> 149:156823d33999 30
<> 149:156823d33999 31 /**
AnnaBridge 176:447f873cad2f 32 * Enter idle mode, in which just CPU is halted.
<> 149:156823d33999 33 */
<> 160:d5399cc887bb 34 void hal_sleep(void)
<> 149:156823d33999 35 {
AnnaBridge 176:447f873cad2f 36 SYS_UnlockReg();
AnnaBridge 176:447f873cad2f 37 CLK_Idle();
AnnaBridge 176:447f873cad2f 38 SYS_LockReg();
<> 149:156823d33999 39 }
<> 149:156823d33999 40
<> 149:156823d33999 41 /**
AnnaBridge 176:447f873cad2f 42 * Enter power-down mode, in which HXT/HIRC are halted.
<> 149:156823d33999 43 */
<> 160:d5399cc887bb 44 void hal_deepsleep(void)
<> 149:156823d33999 45 {
AnnaBridge 188:bcfe06ba3d64 46 #if DEVICE_SERIAL
AnnaBridge 188:bcfe06ba3d64 47 if (!serial_can_deep_sleep()) {
AnnaBridge 188:bcfe06ba3d64 48 return;
AnnaBridge 188:bcfe06ba3d64 49 }
AnnaBridge 188:bcfe06ba3d64 50 #endif
AnnaBridge 188:bcfe06ba3d64 51
AnnaBridge 176:447f873cad2f 52 SYS_UnlockReg();
AnnaBridge 176:447f873cad2f 53 CLK_PowerDown();
AnnaBridge 176:447f873cad2f 54 SYS_LockReg();
<> 149:156823d33999 55 }
<> 149:156823d33999 56
<> 149:156823d33999 57 #endif