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feat(ble): Only update BAS when active

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Subscribes to the activity changing event, will stop the battery work timer when in idle or deep sleep, restart when board goes active
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ReFil 2023-11-15 20:24:22 +00:00 • committed by Pete Johanson
parent 84b93350b8
commit 6276e973d5
1 changed files with 29 additions and 2 deletions
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31
app/src/battery.c
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@ -18,6 +18,8 @@ LOG_MODULE_DECLARE(zmk, CONFIG_ZMK_LOG_LEVEL);
#include <zmk/event_manager.h> #include <zmk/event_manager.h>
#include <zmk/battery.h> #include <zmk/battery.h>
#include <zmk/events/battery_state_changed.h> #include <zmk/events/battery_state_changed.h>
#include <zmk/events/activity_state_changed.h>
#include <zmk/activity.h>
#include <zmk/workqueue.h> #include <zmk/workqueue.h>
static uint8_t last_state_of_charge = 0; static uint8_t last_state_of_charge = 0;
@ -84,6 +86,10 @@ static void zmk_battery_timer(struct k_timer *timer) {
K_TIMER_DEFINE(battery_timer, zmk_battery_timer, NULL); K_TIMER_DEFINE(battery_timer, zmk_battery_timer, NULL);
static void zmk_battery_start_reporting() {
k_timer_start(&battery_timer, K_NO_WAIT, K_SECONDS(CONFIG_ZMK_BATTERY_REPORT_INTERVAL));
}
static int zmk_battery_init(const struct device *_arg) { static int zmk_battery_init(const struct device *_arg) {
#if !DT_HAS_CHOSEN(zmk_battery) #if !DT_HAS_CHOSEN(zmk_battery)
battery = device_get_binding("BATTERY"); battery = device_get_binding("BATTERY");
@ -100,9 +106,30 @@ static int zmk_battery_init(const struct device *_arg) {
return -ENODEV; return -ENODEV;
} }
k_timer_start(&battery_timer, K_NO_WAIT, K_SECONDS(CONFIG_ZMK_BATTERY_REPORT_INTERVAL)); zmk_battery_start_reporting();
return 0; return 0;
} }
static int battery_event_listener(const zmk_event_t *eh) {
if (as_zmk_activity_state_changed(eh)) {
switch (zmk_activity_get_state()) {
case ZMK_ACTIVITY_ACTIVE:
zmk_battery_start_reporting();
return 0;
case ZMK_ACTIVITY_IDLE:
case ZMK_ACTIVITY_SLEEP:
k_timer_stop(&battery_timer);
return 0;
default:
break;
}
}
return -ENOTSUP;
}
ZMK_LISTENER(battery, battery_event_listener);
ZMK_SUBSCRIPTION(battery, zmk_activity_state_changed);
SYS_INIT(zmk_battery_init, APPLICATION, CONFIG_APPLICATION_INIT_PRIORITY); SYS_INIT(zmk_battery_init, APPLICATION, CONFIG_APPLICATION_INIT_PRIORITY);