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RIOT/cpu/esp8266/periph/pm.c
2020-10-23 00:46:26 +02:00

64 lines
1.3 KiB
C

/*
* Copyright (C) 2019 Gunar Schorcht
*
* 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_esp8266
* @ingroup drivers_periph_pm
* @{
*
* @file
* @brief Implementation of power management functions
*
* @author Gunar Schorcht <gunar@schorcht.net>
* @}
*/
#define ENABLE_DEBUG 0
#include "debug.h"
#include "sdk/sdk.h"
#include "syscalls.h"
void pm_set_lowest(void)
{
DEBUG("%s enter to sleep @%u\n", __func__, system_get_time());
/* reset system watchdog timer */
system_wdt_feed();
#ifndef MODULE_ESP_QEMU
/* passive wait for interrupt to leave lowest power mode */
__asm__ volatile ("waiti 0");
#endif
DEBUG("%s exit from sleep @%u\n", __func__, system_get_time());
/* reset system watchdog timer */
system_wdt_feed();
}
void pm_off(void)
{
DEBUG("%s\n", __func__);
system_deep_sleep(0);
}
void pm_reboot(void)
{
DEBUG("%s\n", __func__);
#ifdef MODULE_PERIPH_RTT
/* save counters */
extern void rtt_save_counter(void);
rtt_save_counter();
#endif
/* shut down WIFI and call system_restart_local after timer */
system_restart ();
}