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95 lines
2.3 KiB
C
95 lines
2.3 KiB
C
/*
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* Copyright (C) 2020 Inria
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*
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* This file is subject to the terms and conditions of the GNU Lesser
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* General Public License v2.1. See the file LICENSE in the top level
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* directory for more details.
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*/
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/**
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* @ingroup tests
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* @{
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*
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* @file
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* @brief LittlevGL example application with clickable button
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*
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* @author Alexandre Abadie <alexandre.abadie@inria.fr>
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*
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* @}
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*/
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#include <stdio.h>
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#include "lvgl/lvgl.h"
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#include "lvgl_riot.h"
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#include "ili9341.h"
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#include "ili9341_params.h"
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#include "disp_dev.h"
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#include "ili9341_disp_dev.h"
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#include "stmpe811.h"
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#include "stmpe811_params.h"
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#include "touch_dev.h"
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#include "stmpe811_touch_dev.h"
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#include "screen_dev.h"
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static screen_dev_t s_screen;
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static ili9341_t s_disp_dev;
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static stmpe811_t s_touch_dev;
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static void _stmpe811_event_cb(void *arg)
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{
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(void)arg;
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lvgl_wakeup();
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}
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static void btn_event_cb(lv_obj_t * btn, lv_event_t event)
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{
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(void)btn;
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if (event == LV_EVENT_CLICKED) {
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puts("Button clicked!");
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}
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}
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int main(void)
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{
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/* Configure the generic display driver interface */
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s_screen.display = (disp_dev_t *)&s_disp_dev;
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s_screen.display->driver = &ili9341_disp_dev_driver;
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/* Initialize the concrete display driver */
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ili9341_init(&s_disp_dev, &ili9341_params[0]);
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/* Configure the generic touch driver interface */
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s_screen.touch = (touch_dev_t *)&s_touch_dev;
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s_screen.touch->driver = &stmpe811_touch_dev_driver;
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/* Initialize the concrete touch driver */
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stmpe811_init(&s_touch_dev, &stmpe811_params[0], _stmpe811_event_cb, NULL);
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/* Initialize lvgl with the generic screen */
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lvgl_init(&s_screen);
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/* Add a button to the current screen */
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lv_obj_t * btn = lv_btn_create(lv_scr_act(), NULL);
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/* Set the button position and size */
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lv_coord_t x_size = 100;
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lv_coord_t y_size = 50;
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lv_coord_t x_pos = (disp_dev_width(s_screen.display) - x_size) / 2;
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lv_coord_t y_pos = (disp_dev_height(s_screen.display) - y_size) / 2;
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lv_obj_set_pos(btn, x_pos, y_pos);
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lv_obj_set_size(btn, 100, 50);
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/*Assign a callback to the button*/
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lv_obj_set_event_cb(btn, btn_event_cb);
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/* Add a label to the button */
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lv_obj_t * label = lv_label_create(btn, NULL);
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lv_label_set_text(label, "Click me");
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return 0;
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}
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