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_NANO100/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 174:b96e65c34a4d 1 /* mbed Microcontroller Library
AnnaBridge 174:b96e65c34a4d 2 * Copyright (c) 2015-2017 Nuvoton
AnnaBridge 174:b96e65c34a4d 3 *
AnnaBridge 174:b96e65c34a4d 4 * Licensed under the Apache License, Version 2.0 (the "License");
AnnaBridge 174:b96e65c34a4d 5 * you may not use this file except in compliance with the License.
AnnaBridge 174:b96e65c34a4d 6 * You may obtain a copy of the License at
AnnaBridge 174:b96e65c34a4d 7 *
AnnaBridge 174:b96e65c34a4d 8 * http://www.apache.org/licenses/LICENSE-2.0
AnnaBridge 174:b96e65c34a4d 9 *
AnnaBridge 174:b96e65c34a4d 10 * Unless required by applicable law or agreed to in writing, software
AnnaBridge 174:b96e65c34a4d 11 * distributed under the License is distributed on an "AS IS" BASIS,
AnnaBridge 174:b96e65c34a4d 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
AnnaBridge 174:b96e65c34a4d 13 * See the License for the specific language governing permissions and
AnnaBridge 174:b96e65c34a4d 14 * limitations under the License.
AnnaBridge 174:b96e65c34a4d 15 */
AnnaBridge 174:b96e65c34a4d 16
AnnaBridge 174:b96e65c34a4d 17 #include "sleep_api.h"
AnnaBridge 174:b96e65c34a4d 18
AnnaBridge 174:b96e65c34a4d 19 #if DEVICE_SLEEP
AnnaBridge 174:b96e65c34a4d 20
AnnaBridge 174:b96e65c34a4d 21 #include "cmsis.h"
AnnaBridge 174:b96e65c34a4d 22 #include "device.h"
AnnaBridge 174:b96e65c34a4d 23 #include "objects.h"
AnnaBridge 174:b96e65c34a4d 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
AnnaBridge 174:b96e65c34a4d 30
AnnaBridge 174:b96e65c34a4d 31 /**
AnnaBridge 176:447f873cad2f 32 * Enter idle mode, in which just CPU is halted.
AnnaBridge 174:b96e65c34a4d 33 */
AnnaBridge 174:b96e65c34a4d 34 void hal_sleep(void)
AnnaBridge 174:b96e65c34a4d 35 {
AnnaBridge 176:447f873cad2f 36 SYS_UnlockReg();
AnnaBridge 176:447f873cad2f 37 CLK_Idle();
AnnaBridge 176:447f873cad2f 38 SYS_LockReg();
AnnaBridge 174:b96e65c34a4d 39 }
AnnaBridge 174:b96e65c34a4d 40
AnnaBridge 174:b96e65c34a4d 41 /**
AnnaBridge 176:447f873cad2f 42 * Enter power-down mode, in which HXT/HIRC are halted.
AnnaBridge 174:b96e65c34a4d 43 */
AnnaBridge 174:b96e65c34a4d 44 void hal_deepsleep(void)
AnnaBridge 174:b96e65c34a4d 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();
AnnaBridge 174:b96e65c34a4d 55 }
AnnaBridge 174:b96e65c34a4d 56
AnnaBridge 174:b96e65c34a4d 57 #endif