【平头哥RVB2601创意应用开发】网络天气时钟
本帖最后由 xinmeng_wit 于 2022-5-15 21:56 编辑<p align="center" style="text-align:center"><span style="font-size:10.5pt"><span style="font-family:"Times New Roman""><b><span class="16" style="font-size:16.0000pt"><span style="font-family:微软雅黑"><span style="font-weight:bold"><font face="微软雅黑">网络天气时钟</font></span></span></span></b></span></span></p>
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<p align="right" style="text-align:right"><span style="font-size:10.5pt"><span style="font-family:"Times New Roman""><b><span style="font-size:16.0000pt"><span style="font-family:微软雅黑"><span style="font-weight:bold"><font face="微软雅黑">作者：</font></span></span></span></b><b><span style="font-size:16.0000pt"><span style="font-family:微软雅黑"><span style="font-weight:bold">xinmeng_wit</span></span></span></b></span></span></p>
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<ul>
<li style="text-align:justify"><span style="font-size:10.5pt"><span style="font-family:"Times New Roman""><b><span style="font-size:16.0000pt"><span style="background:#ffffff"><span style="font-family:微软雅黑"><span style="font-weight:bold"><font face="微软雅黑">项目背景</font></span></span></span></span></b></span></span></li>
</ul>
<p style="text-indent:21.0000pt; text-align:justify"><span style="font-size:16px;"><strong><span style="font-family:"Times New Roman""><span style="font-family:宋体">RVB2601<font face="宋体">开发板板上外设资源除了基本的</font><font face="Times New Roman">led</font><font face="宋体">，按键，</font><font face="Times New Roman">OLED</font><font face="宋体">之外，还有音频输入输出和</font><font face="Times New Roman">WiFi</font><font face="宋体">功能。有了</font><font face="Times New Roman">WiFi</font><font face="宋体">的加持，使这款开发板很容易开发联网类的应用。由此想到了之前一直想做但是没有做的桌面天气摆件——网络天气时钟。用</font><font face="Times New Roman">RVB2601</font><font face="宋体">开发板来实现网络天气时钟其实是非常合适的，毕竟不用外接</font><font face="Times New Roman">WiFi</font><font face="宋体">模块，省掉了外部接线的麻烦，基本不用外接任何器件就能实现功能。</font></span></span></strong></span></p>
<ul>
<li style="text-align:justify"><span style="font-size:10.5pt"><span style="font-family:"Times New Roman""><b><span class="15" style="font-size:16.0000pt"><span style="font-family:微软雅黑"><span style="font-weight:bold"><font face="微软雅黑">作品简介</font></span></span></span></b></span></span></li>
</ul>
<p style="text-indent:21.0000pt; text-align:justify"><span style="font-size:16px;"><strong><span style="font-family:"Times New Roman""><span style="font-family:宋体"><font face="宋体">本作品的定位是桌面电子小摆件，主要功能是显示日历、实时时间、实时天气和未来天气。上电自动联网对时，无需手动调节，上电默认显示实时时间，可以通过板载的两个按键进行时间与天气的的切换（单击</font>KEY2<font face="宋体">进行上翻页，单击</font><font face="Times New Roman">KEY1</font><font face="宋体">进行下翻页）。另外，作品还支持城市的设置，长按</font><font face="Times New Roman">KEY1</font><font face="宋体">进入设置页面，使用单击</font><font face="Times New Roman">KEY1,KEY2</font><font face="宋体">进行光标移动，选择好城市以后长按</font><font face="Times New Roman">KEY2</font><font face="宋体">确定，自动退出设置页面回到正常页面。板载</font><font face="Times New Roman">RGB</font><font face="宋体">灯红绿蓝交替闪烁指示程序的运行。</font></span></span></strong></span></p>
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<ul><br />
<li style="text-align:justify"><span style="font-size:10.5pt"><span style="font-family:"Times New Roman""><b><span class="15" style="font-size:16.0000pt"><span style="font-family:微软雅黑"><span style="font-weight:bold"><font face="微软雅黑">系统框图</font></span></span></span></b></span></span></li>
</ul>
<p style="text-indent:21.0000pt; text-align:justify"><span style="font-size:16px;"><strong><span style="font-family:"Times New Roman""><span style="font-family:宋体"><font face="宋体">本作品全部使用板载资源，主控为</font>CH2601<font face="宋体">，</font><font face="Times New Roman">WiFi</font><font face="宋体">芯片</font><font face="Times New Roman">w800</font><font face="宋体">与主控之间采用</font><font face="Times New Roman">SPI</font><font face="宋体">进行通讯；显示部分与主控之间也是通过</font><font face="Times New Roman">SPI</font><font face="宋体">的方式进行通讯；剩下的</font><font face="Times New Roman">led</font><font face="宋体">和按键直接就是</font><font face="Times New Roman">GPIO</font><font face="宋体">驱动。</font></span></span></strong></span></p>
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<ul><br />
<li style="text-align:justify"><span style="font-size:10.5pt"><span style="font-family:"Times New Roman""><b><span class="15" style="font-size:16.0000pt"><span style="font-family:微软雅黑"><span style="font-weight:bold"><font face="微软雅黑">各部分功能说明</font></span></span></span></b><b><span class="15" style="font-size:16.0000pt"><span style="font-family:微软雅黑"><span style="font-weight:bold"><font face="微软雅黑">和解析</font></span></span></span></b></span></span></li>
</ul>
<p style="text-align:justify"><span style="font-size:16px;"><strong><span style="font-family:"Times New Roman""><span style="font-family:宋体"><font face="宋体">总体上功能并不复杂，总结下来主要分为如下几个部分：</font></span></span></strong></span></p>
<ol><br />
<li style="text-align:justify"><span style="font-size:16px;"><strong><span style="font-family:"Times New Roman""><span style="font-family:宋体">Wifi<font face="宋体">通讯部分</font></span></span></strong></span></li>
</ol>
<p align="justify" style="text-indent:21.0000pt; text-align:justify"><span style="font-size:16px;"><strong><span style="font-family:"Times New Roman""><span style="font-family:宋体">Wifi<font face="宋体">通讯部分主要负责网络连接、</font><font face="Times New Roman">NTP</font><font face="宋体">对时和天气消息的获取，在软件里面是单独的一个</font><font face="Times New Roman">task</font><font face="宋体">，专门负责处理网络相关的任务。该</font><font face="Times New Roman">task</font><font face="宋体">有几个比较重要的模块：按键检测和天气数据的获取</font><font face="Times New Roman">/</font><font face="宋体">解析</font><font face="Times New Roman">/</font><font face="宋体">发送。</font></span></span></strong></span></p>
<p align="justify" style="text-indent:21.0000pt; text-align:justify"><span style="font-size:16px;"><strong><span style="font-family:"Times New Roman""><span style="font-family:宋体"><font face="宋体">按键的检测移植了开源库</font>Multi Button<font face="宋体">，注册了板载两个按键的单击和长按事件。单击实现上下翻页，长按实现进入设置和退出设置。</font></span></span></strong></span></p>
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<p align="justify" style="text-indent:21.0000pt; text-align:justify"><span style="font-size:16px;"><strong><span style="font-family:"Times New Roman""><span style="font-family:宋体"><font face="宋体">天气数据的解析，使用了到了开源库</font>cJSON<font face="宋体">，使用</font><font face="Times New Roman">cJSON</font><font face="宋体">库确实会带来很大的方便，但同时会带来</font><font face="Times New Roman">RAM</font><font face="宋体">的开销，对于</font><font face="Times New Roman">RAM</font><font face="宋体">不是很够的</font><font face="Times New Roman">MCU</font><font face="宋体">不建议使用。天气数据的处理，主要包含几个函数：</font></span></span></strong></span></p>
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<p style="text-align:justify"><span style="font-size:16px;"><strong><span style="font-family:"Times New Roman""><span style="font-family:宋体">2、OLED<font face="宋体">显示部分</font></span></span></strong></span></p>
<p align="justify" style="text-indent:21.0000pt; text-align:justify"><span style="font-size:16px;"><strong><span style="font-family:"Times New Roman""><span style="font-family:宋体"><font face="宋体">显示部分也是单独的</font>task<font face="宋体">，只负责显示，不参与任何检测和控制。显示部分通过消息队列接收消息进行显示。</font></span></span></strong></span></p>
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<p align="justify" style="text-indent:21.0000pt; text-align:justify"><span style="font-size:16px;"><strong><span style="font-family:"Times New Roman""><span style="font-family:宋体"><font face="宋体">另外，为了能够显示比较复杂的内容或者图形等，移植了</font>GUI<font face="宋体">开源库</font><font face="Times New Roman">u8g2</font><font face="宋体">，</font><font face="Times New Roman">u8g2</font><font face="宋体">内置很多的字符和图形接口，直接调用，非常方便，而且还支持中文的显示，但是中文的显示并不支持所有汉字，所以如果要显示汉字还需要制作汉字库。汉字库的制作方法可以参考网站上其它网友的方法，不在这篇讨论的范围内。</font></span></span></strong></span></p>
<p align="justify" style="text-indent:21.0000pt; text-align:justify"><span style="font-size:16px;"><strong><span style="font-family:"Times New Roman""><span style="font-family:宋体"><font face="宋体">为了能够一目了然地显示天气状态，特意制作了十几种天气图标，这些图标都做成统一大小（</font>48*48<font face="宋体">）的位图，并用工具取模保存为数组，显示的时候根据天气状态调用对应的图标。</font></span></span></strong></span></p>
<p align="justify" style="text-indent:21.0000pt; text-align:justify"><span style="font-size:16px;"><strong><span style="font-family:"Times New Roman""><span style="font-family:宋体"><font face="宋体">天气中文的显示与图标一样通过数组偏移量的方法来匹配：</font></span></span></strong></span></p>
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<p style="text-align:justify"><span style="font-size:16px;"><strong><span style="font-family:"Times New Roman""><span style="font-family:宋体">3、Led<font face="宋体">和</font><font face="Times New Roman">RTC</font><font face="宋体">部分</font></span></span></strong></span></p>
<p align="justify" style="text-indent:21.0000pt; text-align:justify"><span style="font-size:16px;"><strong><span style="font-family:"Times New Roman""><span style="font-family:宋体">led<font face="宋体">的显示是在天气</font><font face="Times New Roman">task</font><font face="宋体">里面附带做的，红绿蓝交替亮灭，间隔时间为</font><font face="Times New Roman">1s</font><font face="宋体">。</font></span></span></strong></span></p>
<p align="justify" style="text-indent:21.0000pt; text-align:justify"><span style="font-size:16px;"><strong><span style="font-family:"Times New Roman""><span style="font-family:宋体">RTC<font face="宋体">的获取和显示的任务是在</font><font face="Times New Roman">AOS</font><font face="宋体">软件定时器回调函数里面做的，软件定时器的周期是</font><font face="Times New Roman">1s</font><font face="宋体">，也就是每一秒取一次硬件</font><font face="Times New Roman">RTC</font><font face="宋体">的数据然后显示。</font></span></span></strong></span></p>
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<p style="text-align:justify"><span style="font-size:16px;"><strong><span style="font-family:"Times New Roman""><span style="font-family:宋体"><font face="宋体">4、按键处理部分</font></span></span></strong></span></p>
<p align="justify" style="text-align:justify"><span style="font-size:16px;"><strong><span style="font-family:"Times New Roman""><span style="font-family:宋体"><font face="宋体">按键部分是个回调事件已在上面介绍过了，这里不再赘述。</font></span></span></strong></span></p>
<ul><br />
<li style="text-align:justify"><span style="font-size:10.5pt"><span style="font-family:"Times New Roman""><b><span class="15" style="font-size:16.0000pt"><span style="font-family:微软雅黑"><span style="font-weight:bold"><font face="微软雅黑">作品源码</font></span></span></span></b></span></span></li>
</ul>
<p style="text-align:justify"><span style="font-size:16px;"><strong>源代码：<a href="https://download.eeworld.com.cn/detail/xinmeng_wit/623572" target="_blank">https://download.eeworld.com.cn/detail/xinmeng_wit/623572</a></strong></span></p>
<p style="text-align:justify"> </p>
<p align="justify" style="text-align:justify"><span style="font-size:10.5pt"><span style="font-family:"Times New Roman""><b><span style="font-size:16.0000pt"><span style="font-family:微软雅黑"><span style="font-weight:bold"><font face="微软雅黑">视频</font></span></span></span></b><b><span class="15" style="font-size:16.0000pt"><span style="font-family:微软雅黑"><span style="font-weight:bold"><font face="微软雅黑">演示</font></span></span></span></b></span></span></p>
<p align="justify" style="text-align:justify"><iframe allowfullscreen="true" frameborder="0" height="450" src="//player.bilibili.com/player.html?bvid=1U34y177Lw&page=1" style="background:#eee;margin-bottom:10px;" width="700"><br />
</iframe></p>
<ul><br />
<li style="text-align:justify"><span style="font-size:10.5pt"><span style="font-family:"Times New Roman""><b><span style="font-size:16.0000pt"><span style="font-family:微软雅黑"><span style="font-weight:bold"><font face="微软雅黑">项目总结</font></span></span></span></b></span></span></li>
</ul>
<p style="text-indent:21.0000pt; text-align:justify"><span style="font-size:16px;"><strong><span style="font-family:"Times New Roman""><span style="font-family:宋体"><font face="宋体">首次使用平头哥的芯片和开发板，收获颇多。在这个项目中，了解和学习了</font>AOS<font face="宋体">，知道了什么是</font><font face="Times New Roman">yoc</font><font face="宋体">，熟悉了平头哥芯片的开发环境和开发流程。</font></span></span></strong></span></p>
<p style="text-indent:21.0000pt; text-align:justify"><span style="font-size:16px;"><strong><span style="font-family:"Times New Roman""><span style="font-family:宋体"><font face="宋体">对于项目本身，完成了基本功能，实现了时间日期的显示，实时天气的显示，未来天气的显示，城市的设置。但是，还有一些功能由于某些原因未能在本次项目中实现。</font></span></span></strong></span></p>
<p style="text-indent:21.0000pt; text-align:justify"><span style="font-size:16px;"><strong><span style="font-family:"Times New Roman""><span style="font-family:宋体">RVB2601<font face="宋体">的硬件资源其实还是比较可以的，包括了网络和音频，可以开发出很多有创意的产品，但是也有一些小小的不足，总结下来主要有如下几点：</font></span></span></strong></span></p>
<ol><br />
<li style="text-align:justify"><span style="font-size:16px;"><strong><span style="font-family:"Times New Roman""><span style="font-family:宋体"><font face="宋体">开发板缺乏配套的文档，只能通过有限的几个例程取学习摸索，新手使用有点难度，上手时间长；</font></span></span></strong></span></li>
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<li style="text-align:justify"><span style="font-size:16px;"><strong><span style="font-family:"Times New Roman""><span style="font-family:宋体"><font face="宋体">发布的软件包有很明显的问题，</font>NTP<font face="宋体">的问题应该很多小伙伴都遇到了；</font></span></span></strong></span></li>
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<li style="text-align:justify"><span style="font-size:16px;"><strong><span style="font-family:"Times New Roman""><span style="font-family:宋体">CH2601<font face="宋体">芯片本身</font><font face="Times New Roman">ram</font><font face="宋体">不够大，开发一些比较复杂的应用就会比较困难；</font></span></span></strong></span></li>
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<li style="text-align:justify"><span style="font-size:16px;"><strong><span style="font-family:"Times New Roman""><span style="font-family:宋体"><font face="宋体">开发工具</font>CDK<font face="宋体">不能准确定位错误的位置，导致查找错误会花很长的时间；</font></span></span></strong></span></li>
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<li style="text-align:justify"><span style="font-size:16px;"><strong><span style="font-family:"Times New Roman""><span style="font-family:宋体"><font face="宋体">没有板载</font>SD<font face="宋体">卡</font><font face="Times New Roman">/USB</font><font face="宋体">接口，有点遗憾。</font></span></span></strong></span></li>
</ol>
<p align="justify" style="text-indent:21.0000pt; text-align:justify"><span style="font-size:16px;"><strong><span style="font-family:"Times New Roman""><span style="font-family:宋体"><font face="宋体">最后，再次感谢平头哥和</font>EEWORLD<font face="宋体">提供这次机会，期待平头哥继续完善生态，发布更好的产品。</font></span></span></strong></span></p>
<p align="justify" style="text-indent:21.0000pt; text-align:justify"> </p>
<p align="justify" style="text-indent:21.0000pt; text-align:justify"><span style="font-size:16px;"><strong><span style="font-family:"Times New Roman""><span style="font-family:宋体"><font face="宋体">帖子链接：</font></span></span></strong></span></p>
<ol><br />
<li style="text-align:justify"><span style="font-size:16px;"><strong><span style="font-family:"Times New Roman""><span style="font-family:'Times New Roman'"><font face="宋体">开箱</font>&<font face="宋体">运行</font><font face="Times New Roman">Helloworld</font><font face="宋体">例程</font></span></span></strong></span></li>
</ol>
<p align="justify" style="text-indent:21.0000pt; text-align:justify"><span style="font-size:16px;"><strong><span style="font-family:"Times New Roman""><a href="https://bbs.eeworld.com.cn/thread-1194780-1-1.html"><u><span class="15" style="font-family:宋体"><span style="color:#0000ff"><span style="text-decoration:underline">https://bbs.eeworld.com.cn/thread-1194780-1-1.html</span></span></span></u></a></span></strong></span></p>
<ol start="2"><br />
<li style="text-align:justify"><span style="font-size:16px;"><strong><span style="font-family:"Times New Roman""><span style="font-family:'Times New Roman'"><font face="宋体">板载</font>RGB<font face="宋体">灯控制</font></span></span></strong></span></li>
</ol>
<p align="justify" style="text-indent:21.0000pt; text-align:justify"><span style="font-size:16px;"><strong><span style="font-family:"Times New Roman""><a href="https://bbs.eeworld.com.cn/thread-1195852-1-1.html"><u><span class="15" style="font-family:宋体"><span style="color:#0000ff"><span style="text-decoration:underline">https://bbs.eeworld.com.cn/thread-1195852-1-1.html</span></span></span></u></a></span></strong></span></p>
<ol start="3"><br />
<li align="justify" style="text-align:justify"><span style="font-size:16px;"><strong><span style="font-family:"Times New Roman""><span style="font-family:宋体">wifi<font face="宋体">网络通信</font></span></span></strong></span></li>
</ol>
<p align="justify" style="text-indent:21.0000pt; text-align:justify"><span style="font-size:16px;"><strong><span style="font-family:"Times New Roman""><a href="https://bbs.eeworld.com.cn/thread-1198791-1-1.html"><u><span class="15" style="font-family:'Times New Roman'"><span style="color:#0000ff"><span style="text-decoration:underline">https://bbs.eeworld.com.cn/thread-1198791-1-1.html</span></span></span></u></a></span></strong></span></p>
<ol start="4"><br />
<li align="justify" style="text-align:justify"><span style="font-size:16px;"><strong><span style="font-family:"Times New Roman""><span style="font-family:宋体">cJSON<font face="宋体">获取天气信息</font></span></span></strong></span></li>
</ol>
<p align="justify" style="text-indent:21.0000pt; text-align:justify"><span style="font-size:16px;"><strong><a href="https://bbs.eeworld.com.cn/thread-1199757-1-1.html" target="_blank"><span style="font-family:"Times New Roman""><span style="font-family:宋体">https://bbs.eeworld.com.cn/thread-1199757-1-1.html</span></span></a></strong></span></p>
<ol start="5"><br />
<li style="text-align:justify"><span style="font-size:16px;"><strong><span style="font-family:"Times New Roman""><span style="font-family:宋体">OLED<font face="宋体">显示天气信息</font></span></span></strong></span></li>
</ol>
<p align="justify" style="text-indent:21.0000pt; text-align:justify"><span style="font-size:16px;"><strong><a href="https://bbs.eeworld.com.cn/thread-1200949-1-1.html" target="_blank"><span style="font-family:"Times New Roman""><span style="font-family:宋体">https://bbs.eeworld.com.cn/thread-1200949-1-1.html</span></span></a></strong></span></p>
<ol start="6"><br />
<li style="text-align:justify"><span style="font-size:16px;"><strong><span style="font-family:"Times New Roman""><span style="font-family:宋体"><font face="宋体">网络天气时钟草版</font></span></span></strong></span></li>
</ol>
<p style="text-indent:21.0000pt; text-align:justify"><span style="font-size:16px;"><strong><a href="https://bbs.eeworld.com.cn/thread-1201832-1-1.html" target="_blank"><span style="font-family:"Times New Roman""><span style="font-family:宋体">https://bbs.eeworld.com.cn/thread-1201832-1-1.html</span></span></a></strong></span></p>
<p style="text-indent:21.0000pt; text-align:justify"> </p>
<p style="text-indent:21.0000pt; text-align:justify"></p>
<p> </p>
<p> </p>
<p>论坛大神就是多。创意很好。不知道能不能使用普通led显示屏来做，那样的话，范围会更加的广泛。</p>
云淡风轻12 发表于 2022-5-15 22:11
论坛大神就是多。创意很好。不知道能不能使用普通led显示屏来做，那样的话，范围会更加的广泛。
<p>只要能显示就可以:lol</p> <p>谢谢分享！</p>
<p><strong>AOS软件定时器是如何实现年、月、日、时、分和秒的获取的呢？</strong></p>
梦溪开物 发表于 2022-5-29 10:41
AOS软件定时器是如何实现年、月、日、时、分和秒的获取的呢？
<p>在AOS软件定时器中断里面取读取硬件RTC的数据，硬件RTC的数据是包含年月日时分秒的。</p>
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