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<div class=" wh_topic_content body "><main role="main"><article class="- topic/topic topic" role="article" aria-labelledby="ariaid-title1"><span class="edit-link" style="font-size:12px; opacity:0.6; text-align:right; vertical-align:middle"><a target="_blank" href="http://172.16.35.88/tasks/jdssno1uvvbf2mltu9kb9v3if05d5gopuakboe8hlud18rma/edit/F:/aicdita/aicdita-cn/topics/sdk/bringup/lite-bringup-samples.dita">Edit online</a></span><h1 class="- topic/title title topictitle1" id="ariaid-title1">示例程序</h1><div class="date inPage">15 Jan 2024</div><div style="color: gray;">
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Read time: 5 minute(s)
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</div><div class="- topic/body body"><section class="- topic/section section" id="id__section_zpj_5zb_bdc" data-ofbid="id__section_zpj_5zb_bdc"><h2 class="- topic/title title sectiontitle">LVGL Demo</h2>
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<div class="- topic/p p" data-ofbid="d128870e24__20250121171604">如需运行 LVGL demo， 可在 <span class="- topic/ph ph">Luban-Lite</span> 系统 RT-Thread 配置中执行 <span class="+ topic/keyword sw-d/cmdname keyword cmdname">me</span> 命令打开配置界面，具体步骤如下：<ol class="- topic/ol ol" data-ofbid="d128870e32__20250121171604"><li class="- topic/li li" data-ofbid="d128870e33__20250121171604">
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<p class="- topic/p p" data-ofbid="d128870e35__20250121171604">进入<span class="+ topic/ph ui-d/menucascade ph menucascade"><span class="+ topic/ph ui-d/uicontrol ph uicontrol">Application options</span><abbr> > </abbr><span class="+ topic/ph ui-d/uicontrol ph uicontrol">Filesystem related</span><abbr> > </abbr><span class="+ topic/ph ui-d/uicontrol ph uicontrol"> Using File System Image 0</span><abbr> > </abbr><span class="+ topic/ph ui-d/uicontrol ph uicontrol"> Select File System Type (FATFS) </span><abbr> > </abbr><span class="+ topic/ph ui-d/uicontrol ph uicontrol">Data Directory</span></span>，将路径设置为对应的 demo 资源文件所在目录。例如：</p>
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<ul class="- topic/ul ul" data-ofbid="d128870e50__20250121171604"><li class="- topic/li li" data-ofbid="d128870e51__20250121171604">使用 <span class="+ topic/ph sw-d/filepath ph filepath">lvgl_demo_basic_function</span> 时，路径为
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<span class="+ topic/ph sw-d/filepath ph filepath">packages/artinchip/lvgl-ui/aic_demo/base_demo/lvgl_src/</span></li><li class="- topic/li li" data-ofbid="d128870e58__20250121171604">使用 <span class="+ topic/ph sw-d/filepath ph filepath">lvgl_demo_meter</span>
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时，路径为<span class="+ topic/ph sw-d/filepath ph filepath">packages/artinchip/lvgl-ui/aic_demo/meter_demo/lvgl_src/</span></li></ul>
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</li><li class="- topic/li li" data-ofbid="d128870e66__20250121171604">
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<p class="- topic/p p" data-ofbid="d128870e68__20250121171604">在 <span class="+ topic/ph ui-d/uicontrol ph uicontrol">LVGL (official)</span> 选项卡中，设置线程优先级、栈大小和显示刷新周期等参数。</p>
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</li><li class="- topic/li li" data-ofbid="d128870e74__20250121171604">
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<p class="- topic/p p" data-ofbid="d128870e76__20250121171604">在 <span class="+ topic/ph ui-d/uicontrol ph uicontrol">ArtInChip lvgl demo</span> 选项卡中，选择要使用的 demo
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应用，并设置颜色深度和图像缓存数量。</p>
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<p class="- topic/p p" data-ofbid="d128870e82__20250121171604">在 <span class="+ topic/ph ui-d/uicontrol ph uicontrol">ArtInChip lvgl demo</span> 中，如果选择了不同的 demo 应用，则需要对应调整
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<span class="+ topic/ph ui-d/uicontrol ph uicontrol"> Using File System Image 0</span> 中的 <span class="+ topic/ph ui-d/uicontrol ph uicontrol">Data
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Directory</span> 路径，否则会导致无法找到资源文件，显示出现白屏。</p>
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</li><li class="- topic/li li" data-ofbid="d128870e94__20250121171604">
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<p class="- topic/p p" data-ofbid="d128870e96__20250121171604">设置 <span class="+ topic/ph ui-d/uicontrol ph uicontrol">LVGL Resource Directory</span>
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为<span class="+ topic/ph sw-d/filepath ph filepath">(/rodata/lvgl_data)</span>。</p>
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</li><li class="- topic/li li" data-ofbid="d128870e107__20250121171604">保存设置并退出配置界面。</li><li class="- topic/li li" data-ofbid="d128870e109__20250121171604">编译并烧录程序到开发板。<p class="- topic/p p" data-ofbid="d128870e111__20250121171604">完成操作后，即可运行所选的 <span class="+ topic/ph sw-d/filepath ph filepath">LVGL demo</span>。</p></li></ol></div>
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<div class="- topic/p p" data-ofbid="d128870e117__20250121171604">配置代码示例如下：<div class="- topic/note note note note_note" data-ofbid="d128870e119__20250121171604"><span class="note__title">注：</span> 每个参数的含义详见<a class="- topic/xref xref" href="../lvgl/lvgl_introduction.html">LVGL 使用指南</a>。</div><pre class="+ topic/pre pr-d/codeblock pre codeblock language-c" id="id__pre_i2f_vzb_bdc" data-ofbid="id__pre_i2f_vzb_bdc">Application options --->
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*** Filesystem related ***
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[*] Using File System Image <span class="hl-number">0</span> --->
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--- Using File System Image <span class="hl-number">0</span>
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Select File System Type (FATFS) --->
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(packages/artinchip/lvgl-ui/aic_demo/base_demo/lvgl_src/) Data Directory
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(app.fatfs) Image Name
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[*] <strong class="hl-keyword">auto</strong> calcuate image size
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[ ] Using File System Image <span class="hl-number">1</span> ----
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*** lvgl demo select related ***
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-*- LVGL (official): powerful and easy-to-use embedded GUI library --->
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(<span class="hl-number">20</span>) Priority of LVGL thread
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(<span class="hl-number">32768</span>) Stack size of LVGL thread
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(<span class="hl-number">5</span>) Display refresh period (ms)
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[ ] Support SquareLine Studio
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[ ] Enable built-in examples
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[ ] Enable built-in demos
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-*- ArtInChip lvgl demo
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select lvgl demo (lvgl demo with basic function) --->
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(X) lvgl demo with basic function
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() lvgl demo of meter
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(<span class="hl-number">16</span>) LVGL color depth(<span class="hl-number">32</span>/<span class="hl-number">16</span>)
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(<span class="hl-number">8</span>) LVGL image cached number
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(/rodata/lvgl_data) LVGL Resource Directory
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</pre></div>
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<p class="- topic/p p" data-ofbid="d128870e128__20250121171604">界面运行示例如下所示：</p>
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<br/><div class="imagecenter"><img class="- topic/image image imagecenter" id="id__image_aqz_vzb_bdc" src="../../../images/bringup/test-lvgl.png" width="576" alt="test-lvgl"/></div><br/>
|
||
</section><section class="- topic/section section" id="id__section_bhj_wzb_bdc" data-ofbid="id__section_bhj_wzb_bdc"><h2 class="- topic/title title sectiontitle">用户自定义 APP</h2>
|
||
|
||
<p class="- topic/p p" data-ofbid="d128870e146__20250121171604">本节演示添加一个名为 <span class="+ topic/ph sw-d/filepath ph filepath">test_demo</span> 的 LVGL 应用，详见中的<a class="- topic/xref xref" href="../lvgl/lvgl_introduction.html">LVGL 使用指南</a>。</p>
|
||
|
||
<ol class="- topic/ol ol" data-ofbid="d128870e156__20250121171604"><li class="- topic/li li" data-ofbid="d128870e157__20250121171604"><strong class="+ topic/ph hi-d/b ph b">添加 APP 选项</strong><div class="- topic/p p" data-ofbid="d128870e160__20250121171604">在 <span class="+ topic/ph sw-d/filepath ph filepath">application/Kconfig</span>
|
||
中，添加下列代码：<pre class="+ topic/pre pr-d/codeblock pre codeblock language-c" data-ofbid="d128870e165__20250121171604">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， 以 便 在 menuconfig␣菜 单 中 选 择
|
||
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></li><li class="- topic/li li" data-ofbid="d128870e167__20250121171604"><strong class="+ topic/ph hi-d/b ph b">配置 APP</strong><div class="- topic/p p" data-ofbid="d128870e170__20250121171604">使用 me 命令进入配置界面，在 Application options 中选择
|
||
AIC_LVGL_TEST_DEMO，并保存配置。<pre class="+ topic/pre pr-d/codeblock pre codeblock language-c" data-ofbid="d128870e172__20250121171604">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></li><li class="- topic/li li" data-ofbid="d128870e174__20250121171604"><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" data-ofbid="d128870e177__20250121171604">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></li><li class="- topic/li li" data-ofbid="d128870e179__20250121171604"><strong class="+ topic/ph hi-d/b ph b">源码适配</strong><ol class="- topic/ol ol" type="a" data-ofbid="d128870e182__20250121171604"><li class="- topic/li li" data-ofbid="d128870e183__20250121171604">
|
||
<div class="- topic/p p" data-ofbid="d128870e185__20250121171604">将源码解压缩至 <span class="+ topic/ph sw-d/filepath ph filepath">packages/artinchip/lvgl-ui/aic_demo</span>
|
||
目录下，文件结构为：<pre class="+ topic/pre pr-d/codeblock pre codeblock language-c" id="id__codeblock_dss_pt5_hdc" data-ofbid="id__codeblock_dss_pt5_hdc">tree -h</pre><pre class="+ topic/pre pr-d/codeblock pre codeblock language-c" id="id__codeblock_ohz_vwr_5dc" data-ofbid="id__codeblock_ohz_vwr_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>
|
||
</li><li class="- topic/li li" data-ofbid="d128870e195__20250121171604">
|
||
<div class="- topic/p p" data-ofbid="d128870e197__20250121171604">根据实际项目路径，修改 test_demo 中的 SConscript
|
||
文件。<pre class="+ topic/pre pr-d/codeblock pre codeblock language-c" data-ofbid="d128870e199__20250121171604">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>
|
||
</li><li class="- topic/li li" data-ofbid="d128870e202__20250121171604">
|
||
<p class="- topic/p p" data-ofbid="d128870e204__20250121171604">增加入口函数，<strong class="+ topic/ph hi-d/b ph b">接入 UI 功能</strong>。</p>
|
||
<p class="- topic/p p" data-ofbid="d128870e210__20250121171604"><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，用户仅需接入 UI 部分的功能即可。</p>
|
||
<div class="- topic/p p" data-ofbid="d128870e215__20250121171604">在 <span class="+ topic/ph sw-d/filepath ph filepath">packages/artinchip/lvgl-ui/aic_ui.c</span>
|
||
中，添加以下代码：<div class="- topic/note note note note_note" id="id__note_xbr_st5_hdc" data-ofbid="id__note_xbr_st5_hdc"><span class="note__title">注：</span>
|
||
|
||
<p class="- topic/p p" data-ofbid="d128870e224__20250121171604">Bringup 时不建议调整，使用运行默认程序即可。</p>
|
||
</div><pre class="+ topic/pre pr-d/codeblock pre codeblock language-c" data-ofbid="d128870e228__20250121171604"><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>
|
||
</li></ol></li></ol>
|
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<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__section_zpj_5zb_bdc" data-tocid="id__section_zpj_5zb_bdc">LVGL Demo</a></div></li><li class="section-item"><div class="section-title"><a href="#id__section_bhj_wzb_bdc" data-tocid="id__section_bhj_wzb_bdc">用户自定义 APP</a></div></li></ul></div>
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