d700943d29
Allows F4 MCUs to enter standby mode which behave similar to the poweroff mode. Signed-off-by: Tomáš Juřena <jurenatomas@gmail.com>
29 lines
612 B
C
29 lines
612 B
C
/*
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* Copyright (c) 2023 Nordic Semiconductor ASA
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* Copyright (c) 2024 STMicroelectronics
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* Copyright (c) 2025 Tomas Jurena
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*
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* SPDX-License-Identifier: Apache-2.0
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*/
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#include <zephyr/kernel.h>
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#include <zephyr/sys/poweroff.h>
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#include <zephyr/toolchain.h>
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#include <zephyr/drivers/misc/stm32_wkup_pins/stm32_wkup_pins.h>
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#include <stm32_ll_cortex.h>
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#include <stm32_ll_pwr.h>
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void z_sys_poweroff(void)
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{
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#ifdef CONFIG_STM32_WKUP_PINS
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LL_PWR_ClearFlag_WU();
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#endif /* CONFIG_STM32_WKUP_PINS */
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LL_PWR_SetPowerMode(LL_PWR_MODE_STANDBY);
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LL_LPM_EnableDeepSleep();
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k_cpu_idle();
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CODE_UNREACHABLE;
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}
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