RS232 Communication configuration

    Hi,

    I try to configure the rs-232 port on my controller (LR mate 200iC, V7.40). If i use the TP menu (Menu/Setup/PortInit) I only can change Baudrate, Parity, StopBit. But I also need to change to 7 or 8 bits data communication, Xon/Xoff.

    So by using Karel, I can use the command SET_PORT_ATR and GET_PORT_ATR to get access to all these config, but I don't work.
    The following line :
    stat=SET_PORT_ATR(PORT_2,ATR_DBITS,DBITS_8)
    return 17036 in the Stat variable

    The following line :
    stat = GET_PORT_ATR(PORT_2,ATR_DBITS,atr_value)
    return 17036 in the Stat variable

    So, how must I use these command???
    AND
    Where can I found the signification of the Status 17036???

    Thanks

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