serial port command doesn't work

[yeye_olive]

Thanks for the clarification. QSerialPort is derived from QIODevice, whose write(const char *) method indeed writes a NUL-terminated string. In order to specify the number of bytes to write, call the write(const char *, qint64) method instead:

serial->write(panID, sizeof(panID));

serial->write(panID, sizeof(panID));

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and check the return value to make sure everything was written.

[hovuquocan1997]

Thank you very much! It worked! I really appreciate your help, my time was running out and you saved my life.