24 lines
627 B
C
24 lines
627 B
C
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/*
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* Copyright (c) 2022 Espressif Systems (Shanghai) Co., Ltd.
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* SPDX-License-Identifier: Apache-2.0
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*/
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#include <zephyr/sys/poweroff.h>
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#include <esp_sleep.h>
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#include <hal/rtc_io_hal.h>
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#include <soc/rtc_io_channel.h>
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void z_sys_poweroff(void)
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{
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/*
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* Isolate GPIO12 pin from external circuits. This is needed for modules
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* which have an external pull-up resistor on GPIO12 (such as ESP32-WROVER)
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* to minimize current consumption.
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*/
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rtcio_hal_isolate(RTCIO_GPIO12_CHANNEL);
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/* Forces RTC domain to be always on */
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esp_sleep_pd_config(ESP_PD_DOMAIN_RTC_PERIPH, ESP_PD_OPTION_ON);
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esp_deep_sleep_start();
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}
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