Guido Grassel / mbed-src

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Dependents:   Seeed_Barometer_Sensor_Example

Fork of mbed-src by mbed official

targets/hal/TARGET_Freescale/TARGET_KL25Z/sleep.c@81:a9456fdf72fa, 2014-01-31 (annotated)

Committer:
mbed_official
Date:
Fri Jan 31 09:00:05 2014 +0000
Revision:
81:a9456fdf72fa
Parent:
51:7838415c99e7 
Synchronized with git revision 2a782f50677ef823f25764c76cfed1bec98740be



Full URL: https://github.com/mbedmicro/mbed/commit/2a782f50677ef823f25764c76cfed1bec98740be/



Remove unnecessary semicolons.

Who changed what in which revision?

UserRevisionLine numberNew contents of line
mbed_official 51:7838415c99e7 1 /* mbed Microcontroller Library
mbed_official 51:7838415c99e7 2 * Copyright (c) 2006-2013 ARM Limited
mbed_official 51:7838415c99e7 3 *
mbed_official 51:7838415c99e7 4 * Licensed under the Apache License, Version 2.0 (the "License");
mbed_official 51:7838415c99e7 5 * you may not use this file except in compliance with the License.
mbed_official 51:7838415c99e7 6 * You may obtain a copy of the License at
mbed_official 51:7838415c99e7 7 *
mbed_official 51:7838415c99e7 8 * http://www.apache.org/licenses/LICENSE-2.0
mbed_official 51:7838415c99e7 9 *
mbed_official 51:7838415c99e7 10 * Unless required by applicable law or agreed to in writing, software
mbed_official 51:7838415c99e7 11 * distributed under the License is distributed on an "AS IS" BASIS,
mbed_official 51:7838415c99e7 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
mbed_official 51:7838415c99e7 13 * See the License for the specific language governing permissions and
mbed_official 51:7838415c99e7 14 * limitations under the License.
mbed_official 51:7838415c99e7 15 */
mbed_official 51:7838415c99e7 16 #include "sleep_api.h"
mbed_official 51:7838415c99e7 17 #include "cmsis.h"
mbed_official 51:7838415c99e7 18
mbed_official 51:7838415c99e7 19 //Normal wait mode
mbed_official 51:7838415c99e7 20 void sleep(void)
mbed_official 51:7838415c99e7 21 {
mbed_official 51:7838415c99e7 22 SMC->PMPROT = SMC_PMPROT_AVLLS_MASK | SMC_PMPROT_ALLS_MASK | SMC_PMPROT_AVLP_MASK;
mbed_official 51:7838415c99e7 23
mbed_official 51:7838415c99e7 24 //Normal sleep mode for ARM core:
mbed_official 51:7838415c99e7 25 SCB->SCR = 0;
mbed_official 51:7838415c99e7 26 __WFI();
mbed_official 51:7838415c99e7 27 }
mbed_official 51:7838415c99e7 28
mbed_official 51:7838415c99e7 29 //Very low-power stop mode
mbed_official 51:7838415c99e7 30 void deepsleep(void)
mbed_official 51:7838415c99e7 31 {
mbed_official 51:7838415c99e7 32 //Check if PLL/FLL is enabled:
mbed_official 51:7838415c99e7 33 uint32_t PLL_FLL_en = (MCG->C1 & MCG_C1_CLKS_MASK) == MCG_C1_CLKS(0);
mbed_official 51:7838415c99e7 34
mbed_official 51:7838415c99e7 35 SMC->PMPROT = SMC_PMPROT_AVLLS_MASK | SMC_PMPROT_ALLS_MASK | SMC_PMPROT_AVLP_MASK;
mbed_official 51:7838415c99e7 36 SMC->PMCTRL = SMC_PMCTRL_STOPM(2);
mbed_official 51:7838415c99e7 37
mbed_official 51:7838415c99e7 38 //Deep sleep for ARM core:
mbed_official 51:7838415c99e7 39 SCB->SCR = 1<<SCB_SCR_SLEEPDEEP_Pos;
mbed_official 51:7838415c99e7 40
mbed_official 51:7838415c99e7 41 __WFI();
mbed_official 51:7838415c99e7 42
mbed_official 51:7838415c99e7 43 //Switch back to PLL as clock source if needed
mbed_official 51:7838415c99e7 44 //The interrupt that woke up the device will run at reduced speed
mbed_official 51:7838415c99e7 45 if (PLL_FLL_en) {
mbed_official 51:7838415c99e7 46 if (MCG->C6 & (1<<MCG_C6_PLLS_SHIFT) != 0) /* If PLL */
mbed_official 51:7838415c99e7 47 while((MCG->S & MCG_S_LOCK0_MASK) == 0x00U); /* Wait until locked */
mbed_official 51:7838415c99e7 48 MCG->C1 &= ~MCG_C1_CLKS_MASK;
mbed_official 51:7838415c99e7 49 }
mbed_official 51:7838415c99e7 50
mbed_official 51:7838415c99e7 51 }