Serial Line (cont’d)

err = SysLibFind("Serial Library", &serRefNum);

ErrFatalDisplayIf(err, "Can't find Serial Library!");

if (err) SerClose(serRefNum);

/* open the serial connection at the specified baud rate */

err = SerOpen(serRefNum, 0, BaudRate);

ErrFatalDisplayIf(err, "Problem opening the serial port!");

if (err) {

SerClose(serRefNum);

serRefNum = 0;

}

settings.baudRate = BaudRate;

settings.ctsTimeout = 0;

settings.flags = serSettingsFlagStopBits1 |

serSettingsFlagBitsPerChar8 |

serSettingsFlagRTSAutoM;

SerSetSettings(serRefNum, &settings);

}