mbed official / mbed-dev

mbed library sources. Supersedes mbed-src.

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

targets/TARGET_ARM_SSG/TARGET_CM3DS_MPS2/sleep_api.c@189:f392fc9709a3, 2019-02-20 (annotated)

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

Who changed what in which revision?

UserRevisionLine numberNew contents of line
AnnaBridge 189:f392fc9709a3 1
AnnaBridge 189:f392fc9709a3 2 /** \addtogroup hal */
AnnaBridge 189:f392fc9709a3 3 /** @{*/
AnnaBridge 189:f392fc9709a3 4 /* mbed Microcontroller Library
AnnaBridge 189:f392fc9709a3 5 * Copyright (c) 2018 Arm Limited
AnnaBridge 189:f392fc9709a3 6 *
AnnaBridge 189:f392fc9709a3 7 * Licensed under the Apache License, Version 2.0 (the "License");
AnnaBridge 189:f392fc9709a3 8 * you may not use this file except in compliance with the License.
AnnaBridge 189:f392fc9709a3 9 * You may obtain a copy of the License at
AnnaBridge 189:f392fc9709a3 10 *
AnnaBridge 189:f392fc9709a3 11 * http://www.apache.org/licenses/LICENSE-2.0
AnnaBridge 189:f392fc9709a3 12 *
AnnaBridge 189:f392fc9709a3 13 * Unless required by applicable law or agreed to in writing, software
AnnaBridge 189:f392fc9709a3 14 * distributed under the License is distributed on an "AS IS" BASIS,
AnnaBridge 189:f392fc9709a3 15 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
AnnaBridge 189:f392fc9709a3 16 * See the License for the specific language governing permissions and
AnnaBridge 189:f392fc9709a3 17 * limitations under the License.
AnnaBridge 189:f392fc9709a3 18 */
AnnaBridge 189:f392fc9709a3 19
AnnaBridge 189:f392fc9709a3 20 #include "platform_devices.h"
AnnaBridge 189:f392fc9709a3 21 #include "sleep_api.h"
AnnaBridge 189:f392fc9709a3 22 #include "timer_cmsdk_drv.h"
AnnaBridge 189:f392fc9709a3 23
AnnaBridge 189:f392fc9709a3 24 #if DEVICE_SLEEP
AnnaBridge 189:f392fc9709a3 25
AnnaBridge 189:f392fc9709a3 26 void hal_sleep(void)
AnnaBridge 189:f392fc9709a3 27 {
AnnaBridge 189:f392fc9709a3 28 __WFI();
AnnaBridge 189:f392fc9709a3 29 }
AnnaBridge 189:f392fc9709a3 30
AnnaBridge 189:f392fc9709a3 31 /* Since there is no power management implemented in CM3DS, Deep Sleep could be
AnnaBridge 189:f392fc9709a3 32 * supported only by additional software components, registering and managing
AnnaBridge 189:f392fc9709a3 33 * the currently configured IPs. This would also mean a huge implementation
AnnaBridge 189:f392fc9709a3 34 * overhead, that is not intended to be added. Therefore, Deep Sleep is almost
AnnaBridge 189:f392fc9709a3 35 * identical to Sleep, representing a "Waiting For Interrupt" state, and
AnnaBridge 189:f392fc9709a3 36 * disabling the Microsec ticker in addition */
AnnaBridge 189:f392fc9709a3 37 void hal_deepsleep(void)
AnnaBridge 189:f392fc9709a3 38 {
AnnaBridge 189:f392fc9709a3 39 #if DEVICE_USTICKER
AnnaBridge 189:f392fc9709a3 40 timer_cmsdk_disable(&USEC_TIMER_DEV);
AnnaBridge 189:f392fc9709a3 41 #endif
AnnaBridge 189:f392fc9709a3 42 __WFI();
AnnaBridge 189:f392fc9709a3 43 #if DEVICE_USTICKER
AnnaBridge 189:f392fc9709a3 44 timer_cmsdk_enable(&USEC_TIMER_DEV);
AnnaBridge 189:f392fc9709a3 45 #endif
AnnaBridge 189:f392fc9709a3 46 }
AnnaBridge 189:f392fc9709a3 47
AnnaBridge 189:f392fc9709a3 48 #endif
AnnaBridge 189:f392fc9709a3 49
AnnaBridge 189:f392fc9709a3 50 /**@}*/