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Superseded
This library was superseded by mbed-dev - https://os.mbed.com/users/mbed_official/code/mbed-dev/.
Development branch of the mbed library sources. This library is kept in synch with the latest changes from the mbed SDK and it is not guaranteed to work.
If you are looking for a stable and tested release, please import one of the official mbed library releases:
Import librarymbed
The official Mbed 2 C/C++ SDK provides the software platform and libraries to build your applications.
targets/hal/TARGET_NXP/TARGET_LPC11XX_11CXX/sleep.c
- Committer:
- mbed_official
- Date:
- 2014-09-24
- Revision:
- 331:098575c6d2c8
- Parent:
- 268:402bcc0c870b
File content as of revision 331:098575c6d2c8:
/* mbed Microcontroller Library * Copyright (c) 2006-2013 ARM Limited * * 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" #include "cmsis.h" #include "mbed_interface.h" void sleep(void) { // PCON[DPDEN] set to sleep LPC_PMU->PCON = 0x0; // SRC[SLEEPDEEP] set to 0 = sleep SCB->SCR &= ~SCB_SCR_SLEEPDEEP_Msk; // wait for interrupt __WFI(); } void deepsleep(void) { // PCON[DPDEN] set to deepsleep LPC_PMU->PCON = 0; // SRC[SLEEPDEEP] set to 1 = deep sleep SCB->SCR |= SCB_SCR_SLEEPDEEP_Msk; //According to user manual it is kinda picky about reserved bits, so we follow that nicely //Keep WDOSC and BOD in same state as they are now during deepsleep LPC_SYSCON->PDSLEEPCFG = 0x000018B7 | (LPC_SYSCON->PDRUNCFG & (PDRUNCFG_WDTOSC_PD | PDRUNCFG_BOD_PD)); // Power up same as before powerdown LPC_SYSCON->PDAWAKECFG = LPC_SYSCON->PDRUNCFG; // wait for interrupt __WFI(); }