>Hi
>
>Can anyone in the group help, I'm trying to read and write from a serial
>port using php.
>
>So far using fsockopen I've managed to open and send data through a serial
>port but I'm having real problems reading a response. I've tried fgets
>really to no success can anyone spare me some ideas or thoughts?
>
>Setup:
>
>Linux box running serproxy ( A tcp to serial port proxy ) IP 192.168.123.192
>
>I connect to this from a webserver running on another machine with:
><?php
>$fp = fsockopen ("192.168.123.192", 5331, $errno, $errstr, 30);
>if (!$fp) {
> echo "$errstr ($errno)<br>\n";
>} else {
> if(fputs ($fp, "test data".chr(37))){
> echo 'data sent';
> } else {
> echo 'no data sent';
> }
> while (!feof($fp)) {
> echo fgets ($fp,128);
> }
> fclose ($fp);
>}
>?>
>
>The output is being read by a small ap that displays the serial port data
>and allows me to send a response, I've logged the response I send at the
>linux box on the serial port and serproxy is supposed to translate this back
>to tcp port 5331 however I cannot read it with fgets?
>
>Please help it's driving me mad and I'm sure I'm just being stupid : {
How sure are you the other app is sending something out?...
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