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62 lines
1.4 KiB
62 lines
1.4 KiB
/* |
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* Copyright (c) 2020 The ZMK Contributors |
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* |
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* SPDX-License-Identifier: MIT |
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*/ |
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#include <zephyr.h> |
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#include <kernel.h> |
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#include <power/power.h> |
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#include <logging/log.h> |
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LOG_MODULE_DECLARE(zmk, CONFIG_ZMK_LOG_LEVEL); |
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#include <zmk/usb.h> |
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#include <zmk/event-manager.h> |
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#include <zmk/events/position-state-changed.h> |
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#include <zmk/events/sensor-event.h> |
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static u32_t power_last_uptime; |
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#define MAX_IDLE_MS CONFIG_ZMK_IDLE_SLEEP_TIMEOUT |
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bool is_usb_power_present() { |
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#ifdef CONFIG_USB |
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return zmk_usb_is_powered(); |
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#else |
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return false; |
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#endif /* CONFIG_USB */ |
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} |
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enum power_states sys_pm_policy_next_state(s32_t ticks) { |
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#ifdef CONFIG_SYS_POWER_DEEP_SLEEP_STATES |
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#ifdef CONFIG_HAS_SYS_POWER_STATE_DEEP_SLEEP_1 |
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s32_t current = k_uptime_get(); |
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if (power_last_uptime > 0 && !is_usb_power_present() && |
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current - power_last_uptime > MAX_IDLE_MS) { |
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return SYS_POWER_STATE_DEEP_SLEEP_1; |
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} |
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#endif /* CONFIG_HAS_SYS_POWER_STATE_DEEP_SLEEP_1 */ |
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#endif /* CONFIG_SYS_POWER_DEEP_SLEEP_STATES */ |
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return SYS_POWER_STATE_ACTIVE; |
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} |
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int power_event_listener(const struct zmk_event_header *eh) { |
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power_last_uptime = k_uptime_get(); |
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return 0; |
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} |
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int power_init() { |
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power_last_uptime = k_uptime_get(); |
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return 0; |
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} |
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ZMK_LISTENER(power, power_event_listener); |
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ZMK_SUBSCRIPTION(power, position_state_changed); |
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ZMK_SUBSCRIPTION(power, sensor_event); |
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SYS_INIT(power_init, APPLICATION, CONFIG_APPLICATION_INIT_PRIORITY); |