Пример #1
0
        bool IPIZ.Open()
        {
            bool ret = true;

            try
            {
                string        sErrMsg       = string.Empty;
                string        sIdInfo       = string.Empty;
                StringBuilder sIdn          = new StringBuilder(1024);
                StringBuilder sErrorMessage = new StringBuilder(1024);
                int           iError;
                //////////////////////////////////////////////////////////////////////////
                // connect to the controller over RS-232 (COM port 1, baudrate 115200). //
                //////////////////////////////////////////////////////////////////////////
                m_iControllerId = PI_GCS.ConnectRS232(sysCfg.PI_ComPort_Num, sysCfg.PI_ComBaudRate);
                if (m_iControllerId < 0)
                {
                    iError = PI_GCS.GetError(m_iControllerId);
                    PI_GCS.TranslateError(iError, sErrorMessage, sErrorMessage.Capacity);
                    sErrMsg = "ERROR From ConnectRS232 " + iError.ToString() + ": " + sErrorMessage.ToString();
                    ret     = false;
                }
                else
                {
                    ////////////////////////////////////
                    // Get the IDeNtification string. //
                    ////////////////////////////////////
                    if (PI_GCS.qIDN(m_iControllerId, sIdn, sIdn.Capacity) == 0)
                    {
                        iError = PI_GCS.GetError(m_iControllerId);
                        PI_GCS.TranslateError(iError, sErrorMessage, sErrorMessage.Capacity);
                        sErrMsg = "ERROR From IDN? " + iError.ToString() + ": " + sErrorMessage.ToString();
                        ret     = false;
                    }
                    else
                    {
                        sIdInfo = sIdn.ToString();
                    }
                }
            }
            catch (Exception ex)
            {
                ret = false;
            }
            return(ret);
        }