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[nycphp-talk] Serial communication in Mac OS X

Ben Sgro ben at projectskyline.com
Wed Apr 16 22:34:06 EDT 2008


Hello Corey,

This doesn't really answer your question, but I've recently been doing 
java serial work on osx for some robotics stuff.
Take a look at http://rxtx.qbang.org/wiki/index.php/Main_Page

Sorry I dont have more specific php info.

- Ben

Corey Fogarty wrote:
> Hi All,
>
> I am trying to connect to /dev/tty.USA28Xb2P1.1 which is a Keyspan USB 
> to Serial adapter. I have had success using the screen utility, 
> #screen /dev/tty.USA28Xb2P1.1 but I would like to use PHP to create a 
> web interface to a microcontroller.
>
> I have attempted fopen with no luck:
>
>     $port = "/dev/tty.USA28Xb2P1.1";
>
>     $p = fopen($port, 'r+');
>     $read = fread($p, filesize($port));
>     fclose($p);
>
>     echo $read;
>
>     $p = fopen($port, 'r+');
>     fwrite($p, "A");
>     fclose($p);
>
>
> I have tried SerProxy but cannot get a connection through telnet. I 
> have also tried LibSerial but could only find version 0.5.2 which does 
> not yet support PHP apparently... I have read about IOKit but I am not 
> sure it will get me where I want to be.
>
> Any help would be greatly appreciated.
>
> Thank you!
>
> Corey
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