Anritsu Site Master S331D Bedienungsanleitung PDF herunterladen (Seite 119)

/*********************************************************************/

/* BOOL OpenCommunications(int ComPort, int ComBaud) */

/* Description : This function is to Open the communication port */

/* and set the port settings */

/* Inputs : int - ComPort entered as a command line argument */

/* int - ComBaud The Baud rate for Communication */

/* Returns: SUCCESS - If the Communication link was established*/

/* FAIL - IF there was an error opening the COM Port */

/*********************************************************************/

BOOL OpenCommunications(int ComPort, int ComBaud)

{

DCB CommSettings; // Structure with COM Port settings

LPCTSTR ComPortNumber; // Pointer to the COM port number

BOOL PortReady; // Return val after setting the COM Port

COMMTIMEOUTS timeout; // Structure with Time out values

switch (ComPort)

{

case ‘1’:

ComPortNumber = “COM1";

break;

case ‘2’:

ComPortNumber = “COM2";

break;

case ‘3’:

ComPortNumber = “COM3";

break;

case ‘4’:

ComPortNumber = “COM4";

break;

default:

CloseHandle(ComHandle);

fclose(fp);

exit(0);

break;

}

/* Creating a File to Open a COM Port*/

ComHandle = CreateFile( ComPortNumber,

GENERIC_READ | GENERIC_WRITE,

0, // exclusive access

NULL, // no security

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Anritsu Site Master S331D Bedienungsanleitung Seite 119