mirror of
https://github.com/RIOT-OS/RIOT.git
synced 2024-12-29 04:50:03 +01:00
56 lines
1.3 KiB
C
56 lines
1.3 KiB
C
/*
|
|
* Copyright (C) 2017-2018 Bas Stottelaar <basstottelaar@gmail.com>
|
|
*
|
|
* 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_efm32
|
|
* @ingroup drivers_periph_pm
|
|
* @{
|
|
*
|
|
* @file
|
|
* @brief Implementation of the power management peripheral
|
|
*
|
|
* @author Bas Stottelaar <basstottelaar@gmail.com>
|
|
* @}
|
|
*/
|
|
|
|
#include "periph/pm.h"
|
|
|
|
#include "em_emu.h"
|
|
|
|
#define ENABLE_DEBUG 0
|
|
#include "debug.h"
|
|
|
|
void pm_set(unsigned mode)
|
|
{
|
|
switch (mode) {
|
|
case EFM32_PM_MODE_EM3:
|
|
DEBUG_PUTS("[pm] enter EFM32_PM_MODE_EM3");
|
|
/* after exiting EM3, clocks are restored */
|
|
EMU_EnterEM3(true);
|
|
break;
|
|
case EFM32_PM_MODE_EM2:
|
|
DEBUG_PUTS("[pm] enter EFM32_PM_MODE_EM2");
|
|
/* after exiting EM2, clocks are restored */
|
|
EMU_EnterEM2(true);
|
|
break;
|
|
case EFM32_PM_MODE_EM1:
|
|
DEBUG_PUTS("[pm] enter EFM32_PM_MODE_EM1");
|
|
/* wait for next event or interrupt */
|
|
EMU_EnterEM1();
|
|
break;
|
|
default:
|
|
/* no sleep at all */
|
|
break;
|
|
}
|
|
}
|
|
|
|
void pm_off(void)
|
|
{
|
|
EMU_EnterEM4();
|
|
}
|