SerialPortError

[SPP]

Hi,

I'm using the SerialPort functions integrated in PB 4.50
There is no problem in open the port, write and read data, and so on...
but the function SerialPortError always returns a value of 28 (1C hex),that seems means this:
#PB_SerialPort_Break
#PB_SerialPort_Frame
#PB_SerialPort_RxParity
If the port works fine, why this function returns an error?
Does anyone have the same problem?

Thanks

[infratec]

Hi SPP,

do you have serial port errors

Because the results of SerialPortError() are only valid if an error occured before.
(That's the text in the helpfile: Returns the error if ... fails)

So you should use it in that way:

Code: Select all

if AvailableSerialPortInput() > 0
  if ReadSerialPortData() = 0
   debug SerialPortError()
  endif
endif

Bernd

[SPP]

Hi Bernd, thanks for your reply,

You're right, the help file says:
"Return the error on the #SerialPort when ReadSerialPortData(), WriteSerialPortData() or WriteSerialPortString() fail"
i didn't see it, but... in order to detect a problem, I expected that after performing any port operation, if there`s no problem, this function returns 0.


Thanks again,
Best regards