php serial communication in linux

[Ed Greshko]

On 04/30/2012 12:57 PM, prudhvi09 wrote:
> When I send a command directly from the terminal using the command : echo 1 >
> /dev/ttyUSB0 it works and '1' is transmitted to the serial port . But using
> php I get the above warnings . I dont understand where the problem is .  Is
> it a permissions issue ? If not what could be the problem ?

I've no experience with php    But, the error message....

Warning: Specified serial port is not valid in
/opt/lampp/htdocs/xampp/php_serial.class on line 147

would have me looking to see if what I think should be defined on line 147 is really
what is being defined.


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