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/*
* 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/display/status_screen.h>
#define ZMK_DISPLAY_NAME CONFIG_LVGL_DISPLAY_DEV_NAME
static 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);
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();
display_blanking_off(display);
k_timer_start(&display_timer, K_MSEC(10), K_MSEC(10));
LOG_DBG("");
return 0;
}
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