issues with serial data acquisition

Hi!

Recently i was using php-cli with php_dio.dll for manipulate data from and
to the serial port (com) under windows xp. Like an adquisition system that
inserts data into a mysql database.

While i worked with 2 virtual serial ports, my scripts worked fine and
efficiently.

Knowing that, i tried to test my adquisition data program in a real fisical
port (com1 or com2).

So far i haven`t any good result with that, nor even making an echo with
every char arrived. Nothing is captures by the program.

Why this could happen ???

Is there a exception or recommendation working with real data or real ports?

Tell me if it is necessary to put the complete script.

Regards,
Aghor

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Re: issues with serial data acquisition

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have you tried initializing the com port first? (e.g. running MODE.COM,
etc.)



On 7/18/07, Aghor wrote:
>
> Hi!
>
> Recently i was using php-cli with php_dio.dll for manipulate data from and
> to the serial port (com) under windows xp. Like an adquisition system that
> inserts data into a mysql database.
>
> While i worked with 2 virtual serial ports, my scripts worked fine and
> efficiently.
>
> Knowing that, i tried to test my adquisition data program in a real
> fisical
> port (com1 or com2).
>
> So far i haven`t any good result with that, nor even making an echo with
> every char arrived. Nothing is captures by the program.
>
> Why this could happen ???
>
> Is there a exception or recommendation working with real data or real
> ports?
>
> Tell me if it is necessary to put the complete script.
>
> Regards,
> Aghor
>
>
>
>

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