refactor(power): Extract activity/idle detection.

* Refactor power to extract more general purpose
  activity detection/events.
* Use activity state to implement PM callback.
This commit is contained in:
Pete Johanson 2020-12-01 00:52:32 -05:00
parent 8a529163fc
commit f7c16dfe69
7 changed files with 136 additions and 29 deletions

View file

@ -23,12 +23,14 @@ zephyr_linker_sources(RODATA include/linker/zmk-events.ld)
# find_package(Zephyr) which defines the target.
target_include_directories(app PRIVATE include)
target_sources_ifdef(CONFIG_ZMK_SLEEP app PRIVATE src/power.c)
target_sources(app PRIVATE src/activity.c)
target_sources(app PRIVATE src/kscan.c)
target_sources(app PRIVATE src/matrix_transform.c)
target_sources(app PRIVATE src/hid.c)
target_sources(app PRIVATE src/sensors.c)
target_sources(app PRIVATE src/event_manager.c)
target_sources_ifdef(CONFIG_ZMK_EXT_POWER app PRIVATE src/ext_power_generic.c)
target_sources(app PRIVATE src/events/activity_state_changed.c)
target_sources(app PRIVATE src/events/position_state_changed.c)
target_sources(app PRIVATE src/events/layer_state_changed.c)
target_sources(app PRIVATE src/events/keycode_state_changed.c)

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@ -228,6 +228,10 @@ endmenu
menu "Power Management"
config ZMK_IDLE_TIMEOUT
int "Milliseconds of inactivity before entering idle state (OLED shutoff, etc)"
default 30000
config ZMK_SLEEP
bool "Enable deep sleep support"
imply USB
@ -242,7 +246,7 @@ choice SYS_PM_POLICY
endchoice
config ZMK_IDLE_SLEEP_TIMEOUT
int "Milliseconds to wait to sleep when going idle"
int "Milliseconds of inactivity before entering deep sleep"
default 900000
#ZMK_SLEEP

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@ -0,0 +1,11 @@
/*
* Copyright (c) 2020 The ZMK Contributors
*
* SPDX-License-Identifier: MIT
*/
#pragma once
enum zmk_activity_state { ZMK_ACTIVITY_ACTIVE, ZMK_ACTIVITY_IDLE, ZMK_ACTIVITY_SLEEP };
enum zmk_activity_state zmk_activity_get_state();

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@ -0,0 +1,26 @@
/*
* Copyright (c) 2020 The ZMK Contributors
*
* SPDX-License-Identifier: MIT
*/
#pragma once
#include <zephyr.h>
#include <zmk/event-manager.h>
#include <zmk/activity.h>
struct activity_state_changed {
struct zmk_event_header header;
enum zmk_activity_state state;
};
ZMK_EVENT_DECLARE(activity_state_changed);
static inline struct activity_state_changed *
create_activity_state_changed(enum zmk_activity_state state) {
struct activity_state_changed *ev = new_activity_state_changed();
ev->state = state;
return ev;
}

80
app/src/activity.c Normal file
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@ -0,0 +1,80 @@
/*
* Copyright (c) 2020 The ZMK Contributors
*
* SPDX-License-Identifier: MIT
*/
#include <device.h>
#include <init.h>
#include <kernel.h>
#include <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>
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() { return ZMK_EVENT_RAISE(create_activity_state_changed(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() { return activity_state; }
int activity_event_listener(const struct zmk_event_header *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) {
set_state(ZMK_ACTIVITY_SLEEP);
} 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() { k_work_submit(&activity_work); }
K_TIMER_DEFINE(activity_timer, activity_expiry_function, NULL);
int activity_init() {
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, position_state_changed);
ZMK_SUBSCRIPTION(activity, sensor_event);
SYS_INIT(activity_init, APPLICATION, CONFIG_APPLICATION_INIT_PRIORITY);

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@ -0,0 +1,10 @@
/*
* Copyright (c) 2020 The ZMK Contributors
*
* SPDX-License-Identifier: MIT
*/
#include <kernel.h>
#include <zmk/events/activity-state-changed.h>
ZMK_EVENT_IMPL(activity_state_changed);

View file

@ -13,13 +13,7 @@
LOG_MODULE_DECLARE(zmk, CONFIG_ZMK_LOG_LEVEL);
#include <zmk/usb.h>
#include <zmk/event-manager.h>
#include <zmk/events/position-state-changed.h>
#include <zmk/events/sensor-event.h>
static uint32_t power_last_uptime;
#define MAX_IDLE_MS CONFIG_ZMK_IDLE_SLEEP_TIMEOUT
#include <zmk/activity.h>
bool is_usb_power_present() {
#ifdef CONFIG_USB
@ -32,9 +26,7 @@ bool is_usb_power_present() {
enum power_states sys_pm_policy_next_state(int32_t ticks) {
#ifdef CONFIG_SYS_POWER_DEEP_SLEEP_STATES
#ifdef CONFIG_HAS_SYS_POWER_STATE_DEEP_SLEEP_1
int32_t current = k_uptime_get();
if (power_last_uptime > 0 && !is_usb_power_present() &&
current - power_last_uptime > MAX_IDLE_MS) {
if (zmk_activity_get_state() == ZMK_ACTIVITY_SLEEP && !is_usb_power_present()) {
return SYS_POWER_STATE_DEEP_SLEEP_1;
}
#endif /* CONFIG_HAS_SYS_POWER_STATE_DEEP_SLEEP_1 */
@ -42,21 +34,3 @@ enum power_states sys_pm_policy_next_state(int32_t ticks) {
return SYS_POWER_STATE_ACTIVE;
}
int power_event_listener(const struct zmk_event_header *eh) {
power_last_uptime = k_uptime_get();
return 0;
}
int power_init() {
power_last_uptime = k_uptime_get();
return 0;
}
ZMK_LISTENER(power, power_event_listener);
ZMK_SUBSCRIPTION(power, position_state_changed);
ZMK_SUBSCRIPTION(power, sensor_event);
SYS_INIT(power_init, APPLICATION, CONFIG_APPLICATION_INIT_PRIORITY);