96 lines
2.1 KiB
C
96 lines
2.1 KiB
C
/*
|
|
* Copyright (c) 2020 The ZMK Contributors
|
|
*
|
|
* SPDX-License-Identifier: MIT
|
|
*/
|
|
|
|
#include <init.h>
|
|
#include <device.h>
|
|
#include <devicetree.h>
|
|
|
|
#include <logging/log.h>
|
|
LOG_MODULE_DECLARE(zmk, CONFIG_ZMK_LOG_LEVEL);
|
|
|
|
#include <drivers/display.h>
|
|
#include <lvgl.h>
|
|
|
|
#include <zmk/event_manager.h>
|
|
#include <zmk/events/activity_state_changed.h>
|
|
#include <zmk/display/status_screen.h>
|
|
|
|
#define ZMK_DISPLAY_NAME CONFIG_LVGL_DISPLAY_DEV_NAME
|
|
|
|
static const struct device *display;
|
|
|
|
static lv_obj_t *screen;
|
|
|
|
__attribute__((weak)) lv_obj_t *zmk_display_status_screen() { return NULL; }
|
|
|
|
void display_tick_cb(struct k_work *work) {
|
|
lv_tick_inc(10);
|
|
lv_task_handler();
|
|
}
|
|
|
|
K_WORK_DEFINE(display_tick_work, display_tick_cb);
|
|
|
|
void display_timer_cb() { k_work_submit(&display_tick_work); }
|
|
|
|
K_TIMER_DEFINE(display_timer, display_timer_cb, NULL);
|
|
|
|
static void start_display_updates() {
|
|
display_blanking_off(display);
|
|
|
|
k_timer_start(&display_timer, K_MSEC(10), K_MSEC(10));
|
|
}
|
|
|
|
static void stop_display_updates() {
|
|
display_blanking_on(display);
|
|
|
|
k_timer_stop(&display_timer);
|
|
}
|
|
|
|
int zmk_display_init() {
|
|
LOG_DBG("");
|
|
|
|
display = device_get_binding(ZMK_DISPLAY_NAME);
|
|
if (display == NULL) {
|
|
LOG_ERR("Failed to find display device");
|
|
return -EINVAL;
|
|
}
|
|
|
|
screen = zmk_display_status_screen();
|
|
|
|
if (screen == NULL) {
|
|
LOG_ERR("No status screen provided");
|
|
return 0;
|
|
}
|
|
|
|
lv_scr_load(screen);
|
|
|
|
lv_task_handler();
|
|
|
|
start_display_updates();
|
|
|
|
LOG_DBG("");
|
|
return 0;
|
|
}
|
|
|
|
int display_event_handler(const struct zmk_event_header *eh) {
|
|
struct activity_state_changed *ev = cast_activity_state_changed(eh);
|
|
switch (ev->state) {
|
|
case ZMK_ACTIVITY_ACTIVE:
|
|
start_display_updates();
|
|
break;
|
|
case ZMK_ACTIVITY_IDLE:
|
|
case ZMK_ACTIVITY_SLEEP:
|
|
stop_display_updates();
|
|
break;
|
|
default:
|
|
LOG_WRN("Unhandled activity state: %d", ev->state);
|
|
return -EINVAL;
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
ZMK_LISTENER(display, display_event_handler);
|
|
ZMK_SUBSCRIPTION(display, activity_state_changed); |