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23 lines
627 B
23 lines
627 B
/* |
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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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