Primary Git Repository for the Zephyr Project. Zephyr is a new generation, scalable, optimized, secure RTOS for multiple hardware architectures.
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/*
* Copyright (c) 2023 Nordic Semiconductor ASA
* Copyright (c) 2024 STMicroelectronics
* Copyright (c) 2025 Tomas Jurena
*
* SPDX-License-Identifier: Apache-2.0
*/
#include <zephyr/kernel.h>
#include <zephyr/sys/poweroff.h>
#include <zephyr/toolchain.h>
#include <zephyr/drivers/misc/stm32_wkup_pins/stm32_wkup_pins.h>
#include <stm32_ll_cortex.h>
#include <stm32_ll_pwr.h>
void z_sys_poweroff(void)
{
#ifdef CONFIG_STM32_WKUP_PINS
LL_PWR_ClearFlag_WU();
#endif /* CONFIG_STM32_WKUP_PINS */
LL_PWR_SetPowerMode(LL_PWR_MODE_STANDBY);
LL_LPM_EnableDeepSleep();
k_cpu_idle();
CODE_UNREACHABLE;
}