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mbed library sources

Dependents:   Encrypted my_mbed lklk CyaSSL_DTLS_Cellular ... more

Superseded

This library was superseded by mbed-dev - https://os.mbed.com/users/mbed_official/code/mbed-dev/.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.

Last commit 20 Feb 2019 by mbed official

targets/hal/TARGET_Freescale/TARGET_KPSDK_MCUS/TARGET_K64F/sleep.c@149:1fb5f62b92bd, 2014-04-03 (annotated)

Committer:
mbed_official
Date:
Thu Apr 03 11:45:06 2014 +0100
Revision:
149:1fb5f62b92bd
Parent:
targets/hal/TARGET_Freescale/TARGET_KSDK_MCUS/TARGET_K64F/sleep.c@146:f64d43ff0c18 
Synchronized with git revision 220c0bb39ceee40016e1e86350c058963d01ed42



Full URL: https://github.com/mbedmicro/mbed/commit/220c0bb39ceee40016e1e86350c058963d01ed42/

Who changed what in which revision?

UserRevisionLine numberNew contents of line
mbed_official 146:f64d43ff0c18 1 /* mbed Microcontroller Library
mbed_official 146:f64d43ff0c18 2 * Copyright (c) 2006-2013 ARM Limited
mbed_official 146:f64d43ff0c18 3 *
mbed_official 146:f64d43ff0c18 4 * Licensed under the Apache License, Version 2.0 (the "License");
mbed_official 146:f64d43ff0c18 5 * you may not use this file except in compliance with the License.
mbed_official 146:f64d43ff0c18 6 * You may obtain a copy of the License at
mbed_official 146:f64d43ff0c18 7 *
mbed_official 146:f64d43ff0c18 8 * http://www.apache.org/licenses/LICENSE-2.0
mbed_official 146:f64d43ff0c18 9 *
mbed_official 146:f64d43ff0c18 10 * Unless required by applicable law or agreed to in writing, software
mbed_official 146:f64d43ff0c18 11 * distributed under the License is distributed on an "AS IS" BASIS,
mbed_official 146:f64d43ff0c18 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
mbed_official 146:f64d43ff0c18 13 * See the License for the specific language governing permissions and
mbed_official 146:f64d43ff0c18 14 * limitations under the License.
mbed_official 146:f64d43ff0c18 15 */
mbed_official 146:f64d43ff0c18 16 #include "sleep_api.h"
mbed_official 146:f64d43ff0c18 17 #include "cmsis.h"
mbed_official 146:f64d43ff0c18 18 #include "fsl_mcg_hal.h"
mbed_official 146:f64d43ff0c18 19 #include "fsl_smc_hal.h"
mbed_official 146:f64d43ff0c18 20
mbed_official 146:f64d43ff0c18 21 void sleep(void) {
mbed_official 146:f64d43ff0c18 22 smc_power_mode_protection_config_t sleep_config = {true};
mbed_official 146:f64d43ff0c18 23 smc_hal_config_power_mode_protection(&sleep_config);
mbed_official 146:f64d43ff0c18 24
mbed_official 146:f64d43ff0c18 25 SCB->SCR &= ~SCB_SCR_SLEEPDEEP_Msk;
mbed_official 146:f64d43ff0c18 26 __WFI();
mbed_official 146:f64d43ff0c18 27 }
mbed_official 146:f64d43ff0c18 28
mbed_official 146:f64d43ff0c18 29 void deepsleep(void) {
mbed_official 146:f64d43ff0c18 30 mcg_clock_select_t mcg_clock = clock_get_clks();
mbed_official 146:f64d43ff0c18 31
mbed_official 146:f64d43ff0c18 32 smc_power_mode_protection_config_t sleep_config = {true};
mbed_official 146:f64d43ff0c18 33 smc_hal_config_power_mode_protection(&sleep_config);
mbed_official 146:f64d43ff0c18 34 SMC->PMCTRL = SMC_PMCTRL_STOPM(2);
mbed_official 146:f64d43ff0c18 35
mbed_official 146:f64d43ff0c18 36 //Deep sleep for ARM core:
mbed_official 146:f64d43ff0c18 37 SCB->SCR = 1 << SCB_SCR_SLEEPDEEP_Pos;
mbed_official 146:f64d43ff0c18 38
mbed_official 146:f64d43ff0c18 39 __WFI();
mbed_official 146:f64d43ff0c18 40
mbed_official 146:f64d43ff0c18 41 //Switch back to PLL as clock source if needed
mbed_official 146:f64d43ff0c18 42 //The interrupt that woke up the device will run at reduced speed
mbed_official 146:f64d43ff0c18 43 if (mcg_clock == kMcgClockSelectOut) {
mbed_official 146:f64d43ff0c18 44 if (clock_get_plls() == kMcgPllSelectPllcs) {
mbed_official 146:f64d43ff0c18 45 while (clock_get_lock0() == kMcgLockUnlocked);
mbed_official 146:f64d43ff0c18 46 }
mbed_official 146:f64d43ff0c18 47 clock_set_clks(kMcgClockSelectOut);
mbed_official 146:f64d43ff0c18 48 }
mbed_official 146:f64d43ff0c18 49 }