Probably because "COM14" is not a valid way to refer to a serial port in a Linux environment.
On 2012-05-01, at 12:02 AM, "prudhvi09" <prudhvi09@xxxxxxxxx> wrote:
> i haveput SElinux in permissive mode and tried it dint work.
> with the code below it worked
> <?php
> echo "hi";
> $fp=fopen("/dev/ttyUSB0","w+");
> if(!$fp)
> echo "Port could not be opened";
> else
> { sleep(3);
> echo "port has been opened";
> $txt="*s";
> fputs($fp,$txt);
>
> fputs($fp,$txt);
>
> fputs($fp,$txt);
>>
> Can u tell me why is it not working with serial class?
>
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