Qt Serial- Open function returns false

[skankhunt42]

Hey guys. I am new in Qt and trying to communicate with my STM board via Serial Port. But I can't open the serial port with serialPort->open(QIODevice::ReadWrite). I couldn't find where I am doing wrong. I need help.

[skankhunt42]

What a stupid I am. The name of port I am trying to use is COM6 but i gave name randomly STMcomm in code. The name should be same. Thank you for your support sir.

[SGaist]

Hi and welcome to devnet,

You might want to print the error returned by the error property.

[skankhunt42]

Thanks for answer but how should I call that specific error function?

[SGaist]

Did you try to just send its value to qDebug() << ?

[skankhunt42]

It says no error but then why the if statement happens to be 1?

[skankhunt42]

problem evolved to that now. The error string is ="System couldn't find the referred file"

[SGaist]

Good, one more thing: there's no reason for your serialPort variable to be statically declared. You should fix that.

[skankhunt42]

I know I am asking too much but I don't know what is statically declared means. I looked a bit and as I understand that means initializing without new.

I moved *QSerialPort serialPort; part to header file if you meant that. But it didn't help. I can't understand why it should be so hard to just use simple serial port.

[skankhunt42]

What a stupid I am. The name of port I am trying to use is COM6 but i gave name randomly STMcomm in code. The name should be same. Thank you for your support sir.

[SGaist]

Your use of static falls in the last paragraphe of this article.