mbed library sources
Dependents: frdm_kl05z_gpio_test
Fork of mbed-src by
targets/hal/TARGET_Freescale/TARGET_KPSDK_MCUS/TARGET_MCU_K64F/sleep.c
- Committer:
- shaoziyang
- Date:
- 2014-09-13
- Revision:
- 323:9e901b0a5aa1
- Parent:
- 320:be04b2b1e3f2
File content as of revision 323:9e901b0a5aa1:
/* 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 "fsl_mcg_hal.h" #include "fsl_smc_hal.h" void sleep(void) { smc_power_mode_protection_config_t sleep_config = {true}; smc_hal_config_power_mode_protection(&sleep_config); SCB->SCR &= ~SCB_SCR_SLEEPDEEP_Msk; __WFI(); } void deepsleep(void) { mcg_clock_select_t mcg_clock = clock_get_clks(); smc_power_mode_protection_config_t sleep_config = {true}; smc_hal_config_power_mode_protection(&sleep_config); SMC->PMCTRL = SMC_PMCTRL_STOPM(2); //Deep sleep for ARM core: SCB->SCR = 1 << SCB_SCR_SLEEPDEEP_Pos; __WFI(); //Switch back to PLL as clock source if needed //The interrupt that woke up the device will run at reduced speed if (mcg_clock == kMcgClockSelectOut) { if (clock_get_plls() == kMcgPllSelectPllcs) { while (clock_get_lock0() == kMcgLockUnlocked); } clock_set_clks(kMcgClockSelectOut); } }