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/*
* Copyright (c) 2020 The ZMK Contributors
*
* SPDX-License-Identifier: MIT
*/
#include <zephyr/device.h>
#include <zephyr/init.h>
#include <zephyr/kernel.h>
#include <zephyr/pm/pm.h>
#include <zephyr/logging/log.h>
LOG_MODULE_DECLARE(zmk, CONFIG_ZMK_LOG_LEVEL);
#include <zmk/event_manager.h>
#include <zmk/events/activity_state_changed.h>
#include <zmk/events/position_state_changed.h>
#include <zmk/events/sensor_event.h>
#include <zmk/activity.h>
#if IS_ENABLED(CONFIG_USB_DEVICE_STACK)
#include <zmk/usb.h>
#endif
bool is_usb_power_present(void) {
#if IS_ENABLED(CONFIG_USB_DEVICE_STACK)
return zmk_usb_is_powered();
#else
return false;
#endif /* IS_ENABLED(CONFIG_USB_DEVICE_STACK) */
}
static enum zmk_activity_state activity_state;
static uint32_t activity_last_uptime;
#define MAX_IDLE_MS CONFIG_ZMK_IDLE_TIMEOUT
#if IS_ENABLED(CONFIG_ZMK_SLEEP)
#define MAX_SLEEP_MS CONFIG_ZMK_IDLE_SLEEP_TIMEOUT
#endif
int raise_event(void) {
return raise_zmk_activity_state_changed(
(struct zmk_activity_state_changed){.state = activity_state});
}
int set_state(enum zmk_activity_state state) {
if (activity_state == state)
return 0;
activity_state = state;
return raise_event();
}
enum zmk_activity_state zmk_activity_get_state(void) { return activity_state; }
int activity_event_listener(const zmk_event_t *eh) {
activity_last_uptime = k_uptime_get();
return set_state(ZMK_ACTIVITY_ACTIVE);
}
void activity_work_handler(struct k_work *work) {
int32_t current = k_uptime_get();
int32_t inactive_time = current - activity_last_uptime;
#if IS_ENABLED(CONFIG_ZMK_SLEEP)
if (inactive_time > MAX_SLEEP_MS && !is_usb_power_present()) {
// Put devices in suspend power mode before sleeping
set_state(ZMK_ACTIVITY_SLEEP);
pm_state_force(0U, &(struct pm_state_info){PM_STATE_SOFT_OFF, 0, 0});
} else
#endif /* IS_ENABLED(CONFIG_ZMK_SLEEP) */
if (inactive_time > MAX_IDLE_MS) {
set_state(ZMK_ACTIVITY_IDLE);
}
}
K_WORK_DEFINE(activity_work, activity_work_handler);
void activity_expiry_function(struct k_timer *_timer) { k_work_submit(&activity_work); }
K_TIMER_DEFINE(activity_timer, activity_expiry_function, NULL);
static int activity_init(void) {
activity_last_uptime = k_uptime_get();
k_timer_start(&activity_timer, K_SECONDS(1), K_SECONDS(1));
return 0;
}
ZMK_LISTENER(activity, activity_event_listener);
ZMK_SUBSCRIPTION(activity, zmk_position_state_changed);
ZMK_SUBSCRIPTION(activity, zmk_sensor_event);
SYS_INIT(activity_init, APPLICATION, CONFIG_APPLICATION_INIT_PRIORITY);
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