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auto_init_lvgl.c
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auto_init_lvgl.c
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/*
* Copyright (C) 2020 Inria
*
* This file is subject to the terms and conditions of the GNU Lesser
* General Public License v2.1. See the file LICENSE in the top level
* directory for more details.
*/
/**
* @ingroup sys_auto_init
* @{
* @file
* @brief initializes lvgl high level GUI api
*
* @author Alexandre Abadie <alexandre.abadie@inria.fr>
* @}
*/
#include "log.h"
#include "kernel_defines.h"
#include "lvgl_riot.h"
#include "screen_dev.h"
#include "disp_dev.h"
#if IS_USED(MODULE_TOUCH_DEV)
#include "touch_dev.h"
#endif
static screen_dev_t s_screen;
extern disp_dev_reg_t *disp_dev_reg;
#if IS_USED(MODULE_TOUCH_DEV)
static void _touch_event_callback(void *arg)
{
(void)arg;
lvgl_wakeup();
}
#endif
#ifndef CONFIG_LVGL_SCREEN_DEFAULT
#define CONFIG_LVGL_SCREEN_DEFAULT 0 /**< Default screen ID used by LVGL */
#endif
void auto_init_lvgl(void)
{
LOG_DEBUG("[auto_init_screen] initializing lvgl\n");
/* Only a single screen is supported by lvgl */
disp_dev_reg_t *disp_dev = disp_dev_reg_find_screen(CONFIG_LVGL_SCREEN_DEFAULT);
s_screen.display = disp_dev->dev;
#if IS_USED(MODULE_TOUCH_DEV)
touch_dev_reg_t *touch_dev = touch_dev_reg_find_screen(CONFIG_LVGL_SCREEN_DEFAULT);
if (touch_dev) {
s_screen.touch = touch_dev->dev;
touch_dev_set_touch_event_callback(touch_dev->dev, _touch_event_callback, NULL);
}
#endif
/* Initialize lvgl with the generic screen */
lvgl_init(&s_screen);
}