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< p class = "- topic/p p" data-ofbid = "d132564e28__20250409171045" > 本章节演示如何添加一个名为
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< code class = "+ topic/ph pr-d/codeph ph codeph" > test_demo< / code > 的 LVGL
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应用，来实现以下功能：< / p >
< ol class = "- topic/ol ol arabic simple" id = "id__ol_epd_3d3_bdc" data-ofbid = "id__ol_epd_3d3_bdc" >
< li class = "- topic/li li" data-ofbid = "d132564e36__20250409171045" >
< p class = "- topic/p p" data-ofbid = "d132564e38__20250409171045" > 主界面添加一个 button
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控件，按键时，在控件上显示当前后台计数。< / p >
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< / li >
< li class = "- topic/li li" data-ofbid = "d132564e42__20250409171045" >
< p class = "- topic/p p" data-ofbid = "d132564e44__20250409171045" > 后台线程进行计时，每一秒计数加一。< / p >
< / li >
< / ol >
< section class = "- topic/section section" id = "id__app" data-ofbid = "id__app" > < h2 class = "- topic/title title sectiontitle" > 添加 APP 选项< / h2 >
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< div class = "- topic/p p" data-ofbid = "d132564e54__20250409171045" > 在 < span class = "+ topic/ph sw-d/filepath ph filepath" > application/Kconfig< / span >
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中，添加以下代码：< pre class = "+ topic/pre pr-d/codeblock pre codeblock language-c" id = "id__codeblock_cms_plh_fdc" data-ofbid = "id__codeblock_cms_plh_fdc" > config AIC_LVGL_METER_DEMO
bool < span class = "hl-string" > "LVGL demo of meter"< / span >
config AIC_LVGL_TEST_DEMO # 添加 AIC_LVGL_TEST_DEMO，
bool < span class = "hl-string" > "LVGL demo of test"< / span >
config AIC_LVGL_LAUNCHER_DEMO
bool < span class = "hl-string" > "LVGL launcher demo"< / span > < / pre > < / div >
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< / section >
< section class = "- topic/section section" id = "id__id2" data-ofbid = "id__id2" > < h2 class = "- topic/title title sectiontitle" > 配置 APP< / h2 >
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< ol class = "- topic/ol ol" id = "id__ol_hmm_tzv_3dc" data-ofbid = "id__ol_hmm_tzv_3dc" >
< li class = "- topic/li li" data-ofbid = "d132564e70__20250409171045" >
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< div class = "- topic/div div section" id = "id__id3" >
< strong class = "+ topic/ph hi-d/b ph b" > 选择 APP< / strong >
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< div class = "- topic/p p" data-ofbid = "d132564e77__20250409171045" > 使用 < span class = "+ topic/keyword sw-d/cmdname keyword cmdname" > scons --menuconfig< / span > 或 < span class = "+ topic/keyword sw-d/cmdname keyword cmdname" > me< / span >
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进入配置菜单，选择新添加的 < code class = "+ topic/ph pr-d/codeph ph codeph" > test_demo< / code >
并保存：< pre class = "+ topic/pre pr-d/codeblock pre codeblock language-c" id = "id__codeblock_fkh_qlh_fdc" data-ofbid = "id__codeblock_fkh_qlh_fdc" > Application options --->
[*] ArtInChip LVGL demo --->
select LVGL demo (LVGL demo of test) --->
( ) LVGL demo with basic function
( ) LVGL demo of meter
(X) LVGL demo of test
( ) LVGL launcher demo< / pre > < / div > < / div >
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< / li >
< li class = "- topic/li li" data-ofbid = "d132564e92__20250409171045" >
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< div class = "- topic/div div section" id = "id__id4" >
< strong class = "+ topic/ph hi-d/b ph b" > 配置素材路径< / strong > < pre class = "+ topic/pre pr-d/codeblock pre codeblock language-c" id = "id__codeblock_vwt_rlh_fdc" data-ofbid = "id__codeblock_vwt_rlh_fdc" > Application options --->
[*] Using File System Image < span class = "hl-number" > 0< / span >
(packages/artinchip/lvgl-ui/aic_demo/test_demo/lvgl_src/) Data Directory # 该路径以 SDK 为根目录，根据实际情况自行修改
[*] Using File System Image < span class = "hl-number" > 1< / span >
(packages/artinchip/lvgl-ui/aic_demo/test_demo/lvgl_src/) Data Directory # 该路径以 SDK 为根目录，根据实际情况自行修改< / pre >
< / div >
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< / li >
< / ol >
< / section >
< section class = "- topic/section section" id = "id__id5" data-ofbid = "id__id5" > < h2 class = "- topic/title title sectiontitle" > 源码适配< / h2 >
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< div class = "- topic/div div section" id = "id__id6" >
< strong class = "+ topic/ph hi-d/b ph b" > 源代码< / strong >
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< ol class = "- topic/ol ol" id = "id__ol_nwz_d1w_3dc" data-ofbid = "id__ol_nwz_d1w_3dc" >
< li class = "- topic/li li" data-ofbid = "d132564e117__20250409171045" >
< p class = "- topic/p p" data-ofbid = "d132564e119__20250409171045" > 下载完整源码包 < a class = "- topic/xref xref" href = "../../../out/external-references/test_demo.zip" > < code class = "+ topic/ph pr-d/codeph ph codeph" > test_demo< / code > < / a > 。< / p >
< / li >
< li class = "- topic/li li" data-ofbid = "d132564e128__20250409171045" >
< div class = "- topic/p p" data-ofbid = "d132564e130__20250409171045" > 将源码解压缩至 < span class = "+ topic/ph sw-d/filepath ph filepath" > packages/artinchip/lvgl-ui/aic_demo< / span >
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目录下，文件结构为：< pre class = "+ topic/pre pr-d/codeblock pre codeblock language-c" id = "id__codeblock_w2j_slh_fdc" data-ofbid = "id__codeblock_w2j_slh_fdc" > tree -h< / pre > < pre class = "+ topic/pre pr-d/codeblock pre codeblock language-c" id = "id__codeblock_l51_nyr_5dc" data-ofbid = "id__codeblock_l51_nyr_5dc" > .
└── [< span class = "hl-number" > 4.0< / span > K] test_demo
├── [< span class = "hl-number" > 4.0< / span > K] lvgl_src
│ └── [ < span class = "hl-number" > 0< / span > ] readme.txt # 该文件用于验证资源打包，本身为空文件
├── [ < span class = "hl-number" > 571< / span > ] SConscript
├── [< span class = "hl-number" > 4.0< / span > K] thread
│ ├── [< span class = "hl-number" > 1.0< / span > K] test_thread.c
│ └── [ < span class = "hl-number" > 211< / span > ] test_thread.h
└── [< span class = "hl-number" > 4.0< / span > K] ui
├── [< span class = "hl-number" > 1.3< / span > K] test_ui.c
└── [ < span class = "hl-number" > 228< / span > ] test_ui.h< / pre > < / div >
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< / li >
< li class = "- topic/li li" data-ofbid = "d132564e141__20250409171045" >
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< div class = "- topic/div div section" id = "id__sconscript" >
< strong class = "+ topic/ph hi-d/b ph b" > SConscript 更改< / strong >
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< div class = "- topic/p p" data-ofbid = "d132564e148__20250409171045" > 根据实际项目路径修改< code class = "+ topic/ph pr-d/codeph ph codeph" > test_demo< / code > 中的
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SConscript， ： < pre class = "+ topic/pre pr-d/codeblock pre codeblock language-c" id = "id__codeblock_msw_slh_fdc" data-ofbid = "id__codeblock_msw_slh_fdc" > from building import *
import os
cwd = GetCurrentDir()
group = []
src = Glob(< span class = "hl-string" > '*.c'< / span > )
# 源文件路径
src += Glob(< span class = "hl-string" > './ui/*.c'< / span > )
src += Glob(< span class = "hl-string" > './thread/*.c'< / span > )
CPPPATH = [cwd]
# 头文件路径
CPPPATH.append(cwd + < span class = "hl-string" > './ui'< / span > )
CPPPATH.append(cwd + < span class = "hl-string" > './thread'< / span > )
list = os.listdir(cwd)
< strong class = "hl-keyword" > for< / strong > d in list:
path = os.path.join(cwd, d)
< strong class = "hl-keyword" > if< / strong > os.path.isfile(os.path.join(path, < span class = "hl-string" > 'SConscript'< / span > )):
group = group + SConscript(os.path.join(d, < span class = "hl-string" > 'SConscript'< / span > ))
# AIC_LVGL_TEST_DEMO 宏需要与 application/Kconfig 中添加的宏一致
group = group + DefineGroup(< span class = "hl-string" > 'LVGL-port'< / span > , src, depend = [< span class = "hl-string" > 'AIC_LVGL_TEST_DEMO'< / span > ], CPPPATH = CPPPATH)
Return(< span class = "hl-string" > 'group'< / span > )< / pre > < / div >
< / div >
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< / li >
< / ol > < / div >
< / section >
< section class = "- topic/section section" id = "id__lvgl" data-ofbid = "id__lvgl" > < h2 class = "- topic/title title sectiontitle" > 对接 LVGL 框架< / h2 >
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< p class = "- topic/p p" data-ofbid = "d132564e166__20250409171045" > < span class = "- topic/ph ph" > Luban-Lite< / span > SDK 中，已经融合了 LVGL-8.3.2，并与 AIC 芯片硬件接口、加速模块、触控等进行了对接，因此用户只需要将 UI
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部分的功能接入即可。< / p >
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< div class = "- topic/p p" data-ofbid = "d132564e171__20250409171045" > 在 < span class = "+ topic/ph sw-d/filepath ph filepath" > packages/artinchip/lvgl-ui/aic_ui.c< / span >
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中，添加：< pre class = "+ topic/pre pr-d/codeblock pre codeblock language-c" id = "id__codeblock_iwl_tlh_fdc" data-ofbid = "id__codeblock_iwl_tlh_fdc" > < em class = "hl-comment" > /*
* Copyright (C) 2022-2023 ArtinChip Technology Co., Ltd.
* Authors: Ning Fang < ning.fang@artinchip.com>
*/< / em >
#include < span class = "hl-string" > "lvgl.h"< / span >
#include < span class = "hl-string" > "aic_ui.h"< / span >
#include < span class = "hl-string" > "aic_osal.h"< / span >
#ifdef AIC_LVGL_TEST_DEMO
#include < span class = "hl-string" > "test_demo/thread/test_thread.h"< / span >
#include < span class = "hl-string" > "test_demo/ui/test_ui.h"< / span >
#endif
< strong class = "hl-keyword" > void< / strong > aic_ui_init()
{
#ifdef AIC_LVGL_BASE_DEMO
#include < span class = "hl-string" > "base_ui.h"< / span >
base_ui_init();
#endif
#ifdef AIC_LVGL_METER_DEMO
#include < span class = "hl-string" > "meter_ui.h"< / span >
meter_ui_init();
#endif
#ifdef AIC_LVGL_LAUNCHER_DEMO
< strong class = "hl-keyword" > extern< / strong > < strong class = "hl-keyword" > void< / strong > launcher_ui_init();
launcher_ui_init();
#endif
#ifdef AIC_LVGL_MUSIC_DEMO
< strong class = "hl-keyword" > extern< / strong > < strong class = "hl-keyword" > void< / strong > lv_demo_music(< strong class = "hl-keyword" > void< / strong > );
lv_demo_music();
#endif
#ifdef AIC_LVGL_TEST_DEMO
test_thread();
test_ui_init();
#endif
< strong class = "hl-keyword" > return< / strong > ;
}< / pre > < / div >
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< / section >
< section class = "- topic/section section" id = "id__id7" data-ofbid = "id__id7" > < h2 class = "- topic/title title sectiontitle" > 效果展示< / h2 >
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< p class = "- topic/p p" data-ofbid = "d132564e185__20250409171045" > 编译、烧录后，显示效果如下图：< / p >
< figure class = "- topic/fig fig fignone" data-ofbid = "d132564e188__20250409171045" >
< br / > < div class = "imagecenter" > < img class = "- topic/image image imagecenter" id = "id__image_lpd_3d3_bdc" src = "../../../images/lvgl/test_demo_ui.jpg" width = "576" alt = "test_demo_ui" / > < / div > < br / >
< / figure >
< / section >
< / div >
< / article > < / main > < / div >
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< / div >
< nav role = "navigation" id = "wh_topic_toc" aria-label = "On this page" class = "col-lg-2 d-none d-lg-block navbar d-print-none" >
< div id = "wh_topic_toc_content" >
< div class = " wh_topic_toc " > < div class = "wh_topic_label" > 在本页上< / div > < ul > < li class = "section-item" > < div class = "section-title" > < a href = "#id__app" data-tocid = "id__app" > 添加 APP 选项< / a > < / div > < / li > < li class = "section-item" > < div class = "section-title" > < a href = "#id__id2" data-tocid = "id__id2" > 配置 APP< / a > < / div > < / li > < li class = "section-item" > < div class = "section-title" > < a href = "#id__id5" data-tocid = "id__id5" > 源码适配< / a > < / div > < / li > < li class = "section-item" > < div class = "section-title" > < a href = "#id__lvgl" data-tocid = "id__lvgl" > 对接 LVGL 框架< / a > < / div > < / li > < li class = "section-item" > < div class = "section-title" > < a href = "#id__id7" data-tocid = "id__id7" > 效果展示< / a > < / div > < / li > < / ul > < / div >
< / div >
< / nav >
< / div >
< / div >
< / div >
< footer class = "navbar navbar-default wh_footer" >
< div class = " footer-container mx-auto " >
< title > footer def< / title >
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< style >
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.p1 {
font-family: FangZhengShuSong, Times, serif;
}
.p2 {
font-family: Arial, Helvetica, sans-serif;
}
.p3 {
font-family: "Lucida Console", "Courier New", monospace;
}
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< / style >
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< div class = "webhelp.fragment.footer" >
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< p class = "p1" > Copyright © 2019-2025 广东匠芯创科技有限公司. All rights reserved.< / p >
< / div >
< div >
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< div class = "generation_time" >
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Update Time: 2025-04-09
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< / div >
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< / div >
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< / div >
< / footer >
< div id = "go2top" class = "d-print-none" >
< span class = "oxy-icon oxy-icon-up" > < / span >
< / div >
< div id = "modal_img_large" class = "modal" >
< span class = "close oxy-icon oxy-icon-remove" > < / span >
< div id = "modal_img_container" > < / div >
< div id = "caption" > < / div >
< / div >
< script src = "${pd}/publishing/publishing-styles-AIC-template/js/custom.js" defer = "defer" > < / script >
< / body >
< / html >
