blocks|key|5847821|text|你喜欢令人费解的黑客吗？|type|unstyled|depth|inlineStyleRanges|entityRanges|data|5847822|安装webserver服务器。使用CGI、Python、PHP、Perl或其他方法从the服务器上的页面控制串行端口。|5847823|将控件指向网页。|5847824|entityMap^0|0|0|0^^$0|@$1|2|3|4|5|6|7|H|8|@]|9|@]|A|$]]|$1|B|3|C|5|6|7|I|8|@]|9|@]|A|$]]|$1|D|3|E|5|6|7|J|8|@]|9|@]|A|$]]|$1|F|3|-4|5|6|7|K|8|@]|9|@]|A|$]]]|G|$]]

Do you like convoluted hacks?

Install a webserver. Use CGI, Python, PHP, Perl, or some other method to control the serial port from a page on the webserver.

Point the control at the webpage.

blocks|key|2319049|text|我认为您需要在两者之间添加一个Java或Active-X层。JavaScript很好地(有意地)与操作系统隔离开来。|type|unstyled|depth|inlineStyleRanges|entityRanges|data|2319050|entityMap^0|0^^$0|@$1|2|3|4|5|6|7|D|8|@]|9|@]|A|$]]|$1|B|3|-4|5|6|7|E|8|@]|9|@]|A|$]]]|C|$]]

I think you'll need to add a Java or Active-X layer in between. JavaScript is pretty well isolated (deliberately) from the OS.

blocks|key|2319197|text|特别是Javascript，或者只是从浏览器中使用某种方法？哪种浏览器？(IE或Firefox?)使用XUL+%2B+javascript的Firefox插件非常简单，尽管你仍然需要在XPCOM+(+Mozilla的ActiveX/COM的等价物)中实现一些东西来运行RS232。|type|unstyled|depth|inlineStyleRanges|entityRanges|data|2319198|或者，您可以使用JSDB作为临时web服务器(在本地计算机的备用端口上)。在JSDB中使用RS232端口非常容易：|offset|length|2319199|c:\>jsdb
js>S=new+Stream('com1://115200');
com1
js>S.write('\x00');++++//+send+ASCII+character+0+to+the+serial+port
1
js>|code-block|syntax|javascript|2319200|所以您浏览器端实现可以是您最喜欢的书签/链接/内容，链接到http://localhost:9999/comport/1，其中9999是#+JSDB正在侦听的端口，"1“是串行端口开关。JSDB代码将侦听端口，并在解析来自浏览器的GET请求后发送适当的RS232命令。|style|CODE|2319201|entityMap|0|LINK|mutability|MUTABLE|url|http://www.jsdb.org/^0|0|8|4|0|0|0|T|V|0^^$0|@$1|2|3|4|5|6|7|W|8|@]|9|@]|A|$]]|$1|B|3|C|5|6|7|X|8|@]|9|@$D|Y|E|Z|1|10]]|A|$]]|$1|F|3|G|5|H|7|11|8|@]|9|@]|A|$I|J]]|$1|K|3|L|5|6|7|12|8|@$D|13|E|14|M|N]]|9|@]|A|$]]|$1|O|3|-4|5|6|7|15|8|@]|9|@]|A|$]]]|P|$Q|$5|R|S|T|A|$U|V]]]]

Javascript in particular, or just from the browser with some method? And which browser? (IE or Firefox?) Firefox plugins using XUL + javascript are pretty easy, although you'd still have to implement something in XPCOM (the Mozilla equivalent of ActiveX/COM) to work the RS232.

Alternatively you could use <a href="http://www.jsdb.org" rel="nofollow noreferrer">JSDB</a> as an impromptu web server (on an alternate port of the local machine). It's ridiculously easy to use the RS232 port in JSDB:

<pre><code>c:\&gt;jsdb
js&gt;S=new Stream('com1://115200');
com1
js&gt;S.write('\x00'); // send ASCII character 0 to the serial port
1
js&gt;
</code></pre>

So your browser-side implementation could just be whatever your favorite bookmark/link/thingy is that links to <code>http://localhost:9999/comport/1</code> where 9999 is the port # JSDB is listening to, and "1" is the serial port switch. The JSDB code would listen to the port and send the appropriate RS232 command after parsing a GET request from the browser.

blocks|key|2319304|text|RealTerm有一个广泛的COM接口，很容易从windows上的JavaScript进行控制。SourceForge+downloads+page的版本为2.0.0.57，i2cchip.com的版本为2.0.0.70。|type|unstyled|depth|inlineStyleRanges|entityRanges|offset|length|data|2319305|在默认安装的"examples“子目录中有一个JavaScript示例。|2319306|可悲的是，JavaScript示例似乎已经从后来的版本中删除了，4它可能仍然可以这样做，但没有示例。|2319307|entityMap|0|LINK|mutability|MUTABLE|url|http://realterm.sourceforge.net/|1|http://sourceforge.net/projects/realterm/files/|2|http://www.i2cchip.com/realterm|3|http://sourceforge.net/projects/realterm/files/z_Examples/1.0/^0|0|8|0|1C|Q|1|2F|B|2|0|0|W|1|3|0^^$0|@$1|2|3|4|5|6|7|V|8|@]|9|@$A|W|B|X|1|Y]|$A|Z|B|10|1|11]|$A|12|B|13|1|14]]|C|$]]|$1|D|3|E|5|6|7|15|8|@]|9|@]|C|$]]|$1|F|3|G|5|6|7|16|8|@]|9|@$A|17|B|18|1|19]]|C|$]]|$1|H|3|-4|5|6|7|1A|8|@]|9|@]|C|$]]]|I|$J|$5|K|L|M|C|$N|O]]|P|$5|K|L|M|C|$N|Q]]|R|$5|K|L|M|C|$N|S]]|T|$5|K|L|M|C|$N|U]]]]

<a href="http://realterm.sourceforge.net/" rel="nofollow">RealTerm</a> has an extensive COM interface and is easy to control from JavaScript on windows. The <a href="http://sourceforge.net/projects/realterm/files/" rel="nofollow">SourceForge downloads page</a> has version 2.0.0.57, and <a href="http://www.i2cchip.com/realterm" rel="nofollow">i2cchip.com</a>
has a version 2.0.0.70.

There is a JavaScript example in the "examples" subdirectory which is installed by default.

Sadly, the JavaScript examples appear to have been removed from later versions<a href="http://sourceforge.net/projects/realterm/files/z_Examples/1.0/" rel="nofollow">4</a> It may still be possible to do it, but there are no examples.

blocks|key|4432075|text|我没有一个解决方案，但这里可能是一个开始。|type|unstyled|depth|inlineStyleRanges|entityRanges|data|4432076|4432077|签名的java小程序会让你访问系统并使用RXTX+(Java+Serial+COM+API)来连接串口，|ordered-list-item|4432078|4432079|小程序将需要安装文件到jre/ext文件夹。执行此操作后重新启动应用程序。|4432080|4432081|现在，如果您在自己的机器上运行javascript，则可以使用HTA来完全访问系统。|offset|length|4432082|entityMap|0|LINK|mutability|MUTABLE|url|http://en.wikipedia.org/wiki/HTML_Application^0|0|0|0|0|0|0|V|3|0|0^^$0|@$1|2|3|4|5|6|7|V|8|@]|9|@]|A|$]]|$1|B|3|-4|5|6|7|W|8|@]|9|@]|A|$]]|$1|C|3|D|5|E|7|X|8|@]|9|@]|A|$]]|$1|F|3|-4|5|E|7|Y|8|@]|9|@]|A|$]]|$1|G|3|H|5|E|7|Z|8|@]|9|@]|A|$]]|$1|I|3|-4|5|6|7|10|8|@]|9|@]|A|$]]|$1|J|3|K|5|6|7|11|8|@]|9|@$L|12|M|13|1|14]]|A|$]]|$1|N|3|-4|5|6|7|15|8|@]|9|@]|A|$]]]|O|$P|$5|Q|R|S|A|$T|U]]]]

I don't have a solution, but here could be a start of one.

<ol>
<li>Signed java applet would give you access to the system</li>
<li>Use RXTX (Java Serial COM API) to connect to serial ports</li>
<li>Applet would need to install files to the jre/ext folder. Restart the app after doing so.</li>
</ol>

Now if you're running the javascript from your own machine you could use <a href="http://en.wikipedia.org/wiki/HTML_Application" rel="nofollow noreferrer">HTA</a> to have full access to the system.

blocks|key|2319064|text|您可以尝试查看类似于V8的代码，并为C库编写一个小包装器以向VM公开。|type|unstyled|depth|inlineStyleRanges|entityRanges|data|2319065|entityMap^0|0^^$0|@$1|2|3|4|5|6|7|D|8|@]|9|@]|A|$]]|$1|B|3|-4|5|6|7|E|8|@]|9|@]|A|$]]]|C|$]]

You could try looking at something like V8 and writing a small wrapper for the C library to expose to the VM.

blocks|key|1777353|text|您需要在系统上安装一个RS-232+ActiveX组件，然后在侧边栏小部件的javascript代码中创建一个对象。请注意，没有从ActiveX组件创建对象的标准，这只在JScript中可用，这是微软对我们所熟知的Javascript语言的实现。|type|unstyled|depth|inlineStyleRanges|entityRanges|data|1777354|entityMap^0|0^^$0|@$1|2|3|4|5|6|7|D|8|@]|9|@]|A|$]]|$1|B|3|-4|5|6|7|E|8|@]|9|@]|A|$]]]|C|$]]

You need a RS-232 ActiveX component that you install on the system and then create an object from in the javascript code in your sidebar widget. Note that there is no standard to create objects from ActiveX components, this is only available in JScript, Microsoft's implementation of the language we all know as Javascript.

blocks|key|1780587|text|很抱歉在我自己的问题下发帖-我没有注册，所以现在我不能编辑它。|type|unstyled|depth|inlineStyleRanges|entityRanges|data|1780588|我想为这个任务实现一个Vista+Sidebar小工具。不幸的是，这些看起来仅仅是用javascript编写的html文档，所以对我来说，这看起来不是一个好的解决方案。我可能只会编写一个小的.Net应用程序或其他东西。|1780589|不过，还是要感谢您的所有投入。如果还有人有想法，我会采纳的。|1780590|entityMap^0|0|0|0^^$0|@$1|2|3|4|5|6|7|H|8|@]|9|@]|A|$]]|$1|B|3|C|5|6|7|I|8|@]|9|@]|A|$]]|$1|D|3|E|5|6|7|J|8|@]|9|@]|A|$]]|$1|F|3|-4|5|6|7|K|8|@]|9|@]|A|$]]]|G|$]]

I'm sorry to be posting under my own question- I hadn't registered, so now I cannot edit it.

I wanted to implement a Vista Sidebar Gadget for the task. unfortunately it looks like those are just basically html documents with javascript, so it doesn't look like that is going to be a good solution for me. I'll probably just write a little .Net application or something.

Thank you for all of your input though. If any one still has ideas, I'll take them.

blocks|key|2319272|text|AFAIK，Vista小工具的运行时支持使用签名的ActiveX控件。您也可以使用Java。您可以为.Net创建一个ActiveX包装器，它对串行设备有相当多的支持。在大多数情况下，ActiveX+%2B串行通信仅限于商业控制。|type|unstyled|depth|inlineStyleRanges|entityRanges|data|2319273|entityMap^0|0^^$0|@$1|2|3|4|5|6|7|D|8|@]|9|@]|A|$]]|$1|B|3|-4|5|6|7|E|8|@]|9|@]|A|$]]]|C|$]]

AFAIK, Vista gadget's runtime supports the use of signed ActiveX controls. You may also be able to use Java. You can create an ActiveX wrapper to .Net which has a fair amount of support for serial devices. For the most part ActiveX + Serial communications is limited to commercial controls.

I am currently working on a project that involves a 4 Port A/V switch. This switch can be controlled via RS-232.

The computer that will interface with the switch runs Vista. I would like to create a sidebar gadget that has 4 buttons- 1 for each port on the switch. When the user presses the button, it switches to that port. 

I have done a bit of googling, and it seems that there isn't a very good way to interface between javascript and rs-232.

Does anyone have any suggestions for me?

Thanks!

Javascript interface with RS-232 Serial Port

翻译质量差，导致语言生硬或混乱。

没有提供实际的解决方法或示例。

解答不清晰，无法理解或解决问题。

页面排版不美观，阅读体验差。

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我目前正在做一个涉及4端口A/V开关的项目。该开关可通过RS-232进行控制。与交换机连接的计算机运行Vista。我想创建一个侧栏小工具，其中有4个按钮-1为交换机上的每个端口。当用户按下该按钮时，它会切换到该端口。我做了一些googling搜索，似乎没有一个很好的方法在javascript和rs-232之间进行接口。有人对我有什么建议吗？谢谢!

问带RS-232串口的Javascript接口
EN

回答 9

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