JavaScript/JQuery communicate with SerialPort/COM1

Question

is it possible to force any communication from e.g. Javascript/JQuery to any serial comport?!

google is not able to answer that question.. but anyway it should be possible.. env is firefox in my case..

ideas/knowledge is very welcome.

kindly tape

Solution 1

Yes you can, but not with a typical browser. Browsers are sandboxed to not have access to the local file system (except cookies) so that malicious sites can't read from / write to your hard drive. As far as I know there is no way to override this behvior (short of writing your own browser).

However, this can be done in JavaScript using Node.js. It runs as a process rather than in a browser window and can access the file system. Specifically, there is already an npm module (node library) for serial communication: https://github.com/voodootikigod/node-serialport

Alternatively, you could always just spin up a local web server (via node.js, php, rails, etc). Web servers can access file systems, and therefore should be able to access serial ports.

Hope this helps.

Solution 2

I think it is possible..

Look to: jUART, Cross platform browser plugin for serial port communication from JavaScript https://github.com/billhsu/jUART

Solution 3

with chrome it's possible ,

here is the link for documentations : https://developer.chrome.com/apps/app_serial

or

http://www.fabiobiondi.com/blog/2014/02/html5-chrome-packaged-apps-and-arduino-bidirectional-communication-via-serial/

Solution 4

kimstik's suggestion, using the jUART plugin for the browser is an excellent solution.

Another possibility is to use a middleware, that facilitates the serial communication and provides a web interface, that JavaScript can interface with using AJAX requests.

Python could be used, e.g. a script using a combination of pySerial and python-bobo.

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Comments

[nerdwaller]

Update on this: Sept 15, 2015 Chrome will no longer support the NPAPI and the solution will Likely no longer work. see here

[JIntro]

Chrome has moved away from supporting Chrome apps in anything other than ChromeOS according to this blog post.