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cpu/kinetis: unified PM implementation

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This commit is contained in:
Hauke Petersen 2017-01-13 12:28:17 +01:00
parent 89edffa8cc
commit 2c5a9a5cbf
2 changed files with 8 additions and 7 deletions
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0
cpu/k60/Makefile.features → cpu/kinetis_common/Makefile.features
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15
cpu/kinetis_common/periph/pm.c
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@ -1,6 +1,7 @@
/*
* Copyright (C) 2016 Kaspar Schleiser <kaspar@schleiser.de>
* 2014 Eistec AB
* 2017 Freie Universität Berlin
*
* This file is subject to the terms and conditions of the GNU Lesser
* General Public License v2.1. See the file LICENSE in the top level
@ -24,17 +25,17 @@
#define ENABLE_DEBUG (0)
#include "debug.h"
/**
* @note The current PM implementation is very much simplified down to only
* using the 'WAIT' mode. This implementation must be further expanded
* to make use of the available and more efficient (deep) sleep modes
* of the Kinetis CPUs.
*/
void pm_set(unsigned mode)
{
switch (mode) {
case 0:
SCB->SCR &= ~SCB_SCR_SLEEPDEEP_Msk;
cortexm_sleep(0);
break;
}
/* Executes a device DSB (Data Synchronization Barrier) */
__DSB();
/* Enter standby mode */
__WFI();
}