a752c7ab
 elopes
add first test an...
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/*
* Copyright (C) 2017 Kaspar Schleiser <kaspar@schleiser.de>
*
* 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
* directory for more details.
*/
/**
* @ingroup cpu_saml21
* @ingroup drivers_periph_pm
* @{
*
* @file
* @brief Implementation of the kernels power management interface
*
* @author Kaspar Schleiser <kaspar@schleiser.de>
*
* @}
*/
#include "periph/pm.h"
#define ENABLE_DEBUG (0)
#include "debug.h"
void pm_set(unsigned mode)
{
if (mode < PM_NUM_MODES) {
uint32_t _mode;
switch (mode) {
case 0:
DEBUG("pm_set(): setting BACKUP mode.\n");
_mode = PM_SLEEPCFG_SLEEPMODE_BACKUP;
break;
case 1:
DEBUG("pm_set(): setting STANDBY mode.\n");
_mode = PM_SLEEPCFG_SLEEPMODE_STANDBY;
break;
case 2:
DEBUG("pm_set(): setting IDLE mode.\n");
_mode = PM_SLEEPCFG_SLEEPMODE_IDLE2;
break;
}
/* write sleep configuration */
PM->SLEEPCFG.bit.SLEEPMODE = _mode;
/* make sure value has been set */
while (PM->SLEEPCFG.bit.SLEEPMODE != _mode) {}
}
cortexm_sleep(0);
}
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