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RIOT/tests/pkg_lvgl_touch/main.c

95 lines
2.3 KiB
C

/*
* 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 tests
* @{
*
* @file
* @brief LittlevGL example application with clickable button
*
* @author Alexandre Abadie <alexandre.abadie@inria.fr>
*
* @}
*/
#include <stdio.h>
#include "lvgl/lvgl.h"
#include "lvgl_riot.h"
#include "ili9341.h"
#include "ili9341_params.h"
#include "disp_dev.h"
#include "ili9341_disp_dev.h"
#include "stmpe811.h"
#include "stmpe811_params.h"
#include "touch_dev.h"
#include "stmpe811_touch_dev.h"
#include "screen_dev.h"
static screen_dev_t s_screen;
static ili9341_t s_disp_dev;
static stmpe811_t s_touch_dev;
static void _stmpe811_event_cb(void *arg)
{
(void)arg;
lvgl_wakeup();
}
static void btn_event_cb(lv_obj_t * btn, lv_event_t event)
{
(void)btn;
if (event == LV_EVENT_CLICKED) {
puts("Button clicked!");
}
}
int main(void)
{
/* Configure the generic display driver interface */
s_screen.display = (disp_dev_t *)&s_disp_dev;
s_screen.display->driver = &ili9341_disp_dev_driver;
/* Initialize the concrete display driver */
ili9341_init(&s_disp_dev, &ili9341_params[0]);
/* Configure the generic touch driver interface */
s_screen.touch = (touch_dev_t *)&s_touch_dev;
s_screen.touch->driver = &stmpe811_touch_dev_driver;
/* Initialize the concrete touch driver */
stmpe811_init(&s_touch_dev, &stmpe811_params[0], _stmpe811_event_cb, NULL);
/* Initialize lvgl with the generic screen */
lvgl_init(&s_screen);
/* Add a button to the current screen */
lv_obj_t * btn = lv_btn_create(lv_scr_act(), NULL);
/* Set the button position and size */
lv_coord_t x_size = 100;
lv_coord_t y_size = 50;
lv_coord_t x_pos = (disp_dev_width(s_screen.display) - x_size) / 2;
lv_coord_t y_pos = (disp_dev_height(s_screen.display) - y_size) / 2;
lv_obj_set_pos(btn, x_pos, y_pos);
lv_obj_set_size(btn, 100, 50);
/*Assign a callback to the button*/
lv_obj_set_event_cb(btn, btn_event_cb);
/* Add a label to the button */
lv_obj_t * label = lv_label_create(btn, NULL);
lv_label_set_text(label, "Click me");
return 0;
}